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Places in Pennsylvania where asbestos was known to have been used.

Aliquippa

  • Aliquippa and Southern R.R.
  • Aliquippa High School
  • Aliquippa Junior High School
  • Aliquippa Works
  • Crucible Steel
  • Harding Ave. Jr. High School
  • J. B. Veatch
  • Jones and Loughlin Steel Corporation
  • Junior High School
  • Liberty Building & Heating
  • Ltv Steel
  • North Pipe Shop
  • Queen City Cleaners
  • Tin Mill

 

Allegheny

  • A. and S. Wilson Company
  • Alleghany High School
  • Allegheny City Electric Light Company
  • Allegheny Heating Company
  • America Steel Hoop Company
  • American Locomotive Company
  • American S. and W. Company
  • Baker Chain and Wagon Iron Manufacturing Company
  • Boggs and Buhl
  • Carnegie Steel Company
  • D Lutz and Son Brewing Company
  • D. L. Clark Company
  • Edith Furnace
  • Eleventh Ward School
  • George Hasley and Sons
  • H. J. Heinz and Company
  • Henry Phipps Mutual Training School
  • Imperial Leather Company
  • Independent Brewing Company
  • La Belle Works
  • Marshall Kennedy Company
  • Mckinney Manufacturing Company
  • National Lead and Oil Company
  • Oliver and Snyder Steel Company
  • P.Mcgraw and Wool Company
  • Penna Light, Heat and Power Company
  • Penna Lines West of Pitts
  • Pennsylvania Light and Power Company
  • Perma Company Lines West of Pitts
  • Pittsburgh Coal Company
  • Pittsburgh Forge and Iron Company
  • Pittsburgh Milling Company
  • Pittsburgh Plate Glass Company
  • Pressed Steel Car Company
  • Western Penitentiary of Penna
  • Westinghouse Air Brake Company
  • Westinghouse Electric and Manufacturing Company

 

Allegheny City

  • Allegheny Gas Company
  • Carnegie-Illinois Steel Corporation
  • City Electric Light Plant
  • Crystal Ice Company
  • D Lutz Son Brewing Company
  • Schoen Pressed Steel Company

 

Allenport

  • Pittsburgh Steel Company
  • Sheeling Pittsburgh Steel
  • Vesta Coal Company
  • Wheeling-Pittsburgh Steel Corporation

 

Allentown

  • A T & T
  • A.B.E. Airport
  • Abroqast Bastin Company
  • Air Products & Chemicals
  • Allen Laundry
  • Allen Products Company
  • Allentown and Kurtztown Traction Company
  • Allentown High School
  • Allentown Hospital
  • Allentown Portland Cement Company
  • Allentown Rapid Service Ice Company
  • Allentown State Hospital
  • Allentown Water Works
  • Allentown-Bethlehem Gas Company
  • Amalgamated Silk Corporation
  • American Steel and Wire Company
  • Arbogast & Bastlan Company
  • AT&T Technologies
  • Bethlehem Steel Company
  • Blossom Products Corporation
  • Bonney Forge & Tool
  • Bonney Frg Division
  • Bonney Tool & Forge Works
  • Central Catholic High School
  • Consolidated S. and W. Company
  • Coplay Cement Manufacturing Company
  • Duggan & Marcon, Incorporated
  • Eastern Industrial Insulation
  • First National Bank
  • Fogelsville Plant
  • Friskies Pet Care Company Inc
  • General Electric Company
  • H.H. Chrowder Company
  • Haltenback and Stephens
  • Hess Brothers Warehouse
  • Horlacher Brewing Company
  • International Motor Company
  • Iowa Barbed Wire Company
  • Lehigh County Court House
  • Lehigh Portland Cement Company
  • Lehigh Valley Cooperative Farmers
  • Lehigh Valley Dairy
  • Lehigh Valley Traction Company
  • Lehigh Valley Transit Company
  • Lucent Technologies Inc
  • Mack Truck
  • Mauch Chunk Lehighton and Slatington Railway Company
  • National Bond Insulators, Inc.
  • Penn. Allen Port Cement Company
  • Pennsylvania Power & Light
  • Ppl Electric Utilities Corp
  • Sacred Heart Hospital
  • Sears Roebuck Company
  • Spirax-Sarco Incorporated
  • Syntex Corporation
  • Thermal Engineering, Incorporated
  • Trexler Farms
  • United Gas Improvement
  • W.F: Mosser and Son
  • Wertz Engineering Company
  • Western Electric Company, Inc.
  • Wm. H. Taylor and Company

 

Altoona

  • Allegheny Furnace
  • Altoona and Logan Valley Electric Railway Company
  • Altoona Car Shops
  • Altoona High School
  • Altoona Logan Valley Elec . Railway Company
  • Altoona School District
  • Altoona Vocational Technology High School
  • American Warming and Ventilating Company
  • Baker Elementary School
  • Bon Secours Holy Family Hospi
  • Curtin Elementary School
  • D.S. Keith Junior High School
  • Edison Electric Illuminating Company
  • Machine Shop
  • Mercy Hospital
  • Monougahela Melting Company
  • Penn Central Light and Power Company
  • Pennsylvania Electric Company
  • Pennsylvania Railroad Company
  • S. K. F. Plant Addition
  • School District of City Altoona
  • St. Marks School
  • Us Veterans Administration
  • Veterans Hospital
  • Wright Elementary School

 

Ambler

  • Amchem Products Inc
  • Asbestos, Shingle, Slate and Sheathing Company
  • Certainteed Corporation
  • Keasbey and Mattison Company
  • Nicolet Industries
  • Palmerweld Fabricating Company

 

Ambridge

  • A.M. Byers Company
  • Ambridge Plant
  • American Bridge Company
  • Armco Steel Corp
  • Babcock and Wilcox Company
  • Bethlehem Steel
  • H.H. Robertson Company
  • Johnny’s Gas Station
  • Koppel Steel Company
  • National Electric Products Corp
  • National Supply Company
  • U. S. Steel Corporation
  • United States Steel Corp
  • Wycoff Steel

 

Annville

  • Fort Indiantown Gap Military Reservation
  • Lebanon Valley College
  • Millard Quarry
  • Township of Annville
  • Whitehall Cement Company

 

Ardmore

  • Auto Car Company
  • Federal Savings Bank
  • Lower Merion High School
  • St. Mary’s Laundry

 

Ashley

  • Central Railroad of New Jersey
  • Glen Alden Coal Company
  • Lehigh and Wilkes Barre Coal Company
  • Maxwell Colliery
  • Stanton Colliery

 

Bangor

  • Bangor Electric Light, Heat and Power Company
  • Blue Ridge Winkler Textile Company
  • Julius Kayser Company Crown Plant
  • Pennsylvania Leightweight Aggregate
  • Sterling Silk Glove Company

 

Bath

  • Bath Portland Cement Company
  • Keystone Portland Cement Company
  • Lehigh Portland Cement Company
  • Penn Allen Port Cement Company
  • Pennsylvania Cement Company

 

Beaver

  • Babcock & Wilcox Company
  • Beaver County Geriatric Ctr
  • Beaver County Home and Hospital
  • Beaver Valley Traction Company
  • Curtis-Wright Corporation Propeller Division
  • Eaton Corp
  • Koppers Company, Inc.
  • Western Electric Corporation
  • Westinghouse Electric Corporation

 

Beaver Falls

  • America Steel and Wire Company
  • American Ax and Tool Company
  • Armstrong Cork Company
  • B & W Main Tube Plant
  • Babcock & Wilcox Company
  • Babcock & Wilcox Koppel Works
  • Babcock and Wilcox Tubular Products Div
  • Beaver Falls Medical Center
  • Beaver Valley Traction Company
  • Beaver Wire Company
  • Consolidated S. and W. Company
  • Geneva College
  • Grosglass
  • Hartman Steel Company
  • Ingram Richardson Company
  • Koppel Plant
  • Koppel Steel Company
  • Mack Axe Works
  • Pittsburgh Railways Company
  • Pittsburgh Seamless Tube Company
  • Providence Hospital
  • Republic Steel Corporation
  • Standard Scale and Supply Company
  • Stores Department
  • Tate Jones Company
  • Tubalas Products Div
  • Union Drawn Steel Company
  • Valley Ice Company

 

Bellefonte

  • Bellefonte Electric Company
  • Bellefonte Gas Company
  • Commonwealth of Pennsylvania
  • Corning Glass
  • Edison Electric Illuminating Company
  • Warner Company

 

Berwick

  • American Car & Foundry Industries, Inc.
  • Berwick Forge and Fabricating
  • Owens Corning Fiberglass
  • Vaugh Sanitary Bakery
  • Wise Delicatessen Company
  • Wise Foods Inc
  • Wise Potatoe Chip Company

 

Berwyn

  • Owens-Corning Fiberglas Corporation
  • Philadelphia S&C 10
  • U. S. Steel Corporation

 

Bethlehem

  • Air Reduction Plant
  • Air Reduction Sales Company
  • Allied Chemical Corp
  • Barrett Company
  • Bethlehem Fairfield Shipyard Incorporated
  • Bethlehem Iron Works
  • Bethlehem Plant
  • Bethlehem Silk Company
  • Bethlehem Steel Company
  • Bethlehem Steel Shipyard
  • Central New Jersey Railroad
  • Clearview Elementary School
  • Coke Boiler House
  • Coke Oven Div
  • Didier Station
  • Freedom H.S.
  • Lehigh Engineering
  • Lehigh Pipe Shop
  • Lehigh University
  • Lehigh Valley Railroad Company
  • Moravian College
  • Pangborn Corporation
  • R. K. Laros Silk Company
  • Reichard Coulston
  • Saucon Plant
  • Skating Rink
  • St. Luke’s Hospital
  • Steelton and Highspire Railroad Company
  • United Church of Christ

 

Birdsboro

  • Birdsboro Corp
  • Corbits, Inc.
  • Diamond Drill Machine Company
  • E&G Brooke Plant

 

Bloomsburg

  • Bloomsburg Heating Company
  • Magee Carpet Company
  • Milco Undergarment Company

 

Boswell

  • Merchants Coal Company
  • Ozenda Smokeless Coal Company
  • Somerset Coal Company
  • Somerset Smokeless Coal Company

 

Boyertown

  • Boyertown Burial Casket Company
  • Eastern Foundry Company
  • Kawecki Chemical Company
  • Kewecki Berylco Ind Inc
  • Penn Jersey Transmission Corporation

 

Brackenridge

  • Allegheny Ludlum Steel Corporation
  • Brackenridge Works Soaking Pit
  • Labor Products and Ice Company
  • Usx Steel Mill

 

Braddock

  • American Chain and Cable
  • American. Steel and Wire Company
  • Braddock and Turtte Creek Electric Railway
  • Braddock Electric Railway Company
  • Braddock General Hospital
  • Citizens Elect Light Company
  • Edgar Thompson Works
  • Jones & Laughlin Steel
  • Line Company
  • Pittsburgh Wire Company
  • Rochez Brothers & Supply Company
  • United States Steel Corporation

 

Bradford

  • Bradford Oil Refining
  • Bradford Supply Company
  • Corning Glass Works
  • Dresser Manufacturing Division
  • Kendall Refining
  • Kendall Refining Company
  • Minard Run Oil Company
  • Petroleum Reclamation Company
  • Presbyterian Church
  • Ryder & Richmond Oil Company
  • Speer Carbon Company
  • Speer Resistor Division
  • Tidewater Pipe Line Company
  • Union Dish Company
  • Universal Oil Products
  • Wilson Fitzgibbons Oil Company
  • Witco Chemical Corporation
  • Zion Industries

 

Bridgeport

  • Budd Company
  • Continental Diamond Fibre
  • Cumberland Lt Ht and Pr Company
  • Dager and Cox Eureka Paper Mills
  • Daring Paper Company
  • Hugh Mcinnes Rebecca Paper Mill
  • James Lees and Sons Company
  • Philadelphia Electric
  • Union Paving Company
  • Valley Traction Company
  • Wager and Cox

 

Bridgeville

  • American Cyanamid Company
  • Bridgeville Plant
  • Downey Center Mayview State Hospital
  • Flaunery Bolt Company
  • General Electric Company
  • General Ionics Corporation
  • Koppers Pittsburgh Company
  • Selden Company
  • Universal Cyclops

 

Bristol

  • Bristol Water Works
  • Days Inn
  • Kaiser Engineers
  • Kaiser Metal
  • Merchant Shipbuilding Corporation
  • Minnesota Mining & Manufacturing Company
  • National Container Company
  • Paterson Parchment Paper Company
  • Philadelphia Piping & Equipment Company
  • Purex Corporation
  • Railway Specialties
  • Rohm & Haas Chemical
  • Seaboard Container Corporation
  • Superior Zinc Corp
  • Wm. H. Grundy and Company

 

Bruceton

  • Bureau of Mines
  • D.O.E.
  • U. S. Bureau of Mines

 

Bryn Mawr

  • Bryn Mawr College
  • Bryn Mawr Hospital
  • Harcum Junior College
  • Mermount Gardens
  • Philadelphia Suburban Water Company

 

Burnham

  • Baldwin Locomotive Works
  • Hydro-Blast Corporation
  • Logan Iron and Steel Company
  • Standard Steel Works

 

Butler

  • Air Reduction Sales Company
  • AK Steel
  • American Austin Car Company
  • American Bantam Car Company
  • American Rolling Mill
  • Armco Steel Corporation
  • Butler County Memorial Hospital
  • Butler Health System
  • Butler High School
  • Butler Light, Heat and Power Company
  • Butler State Memorial Hospital
  • Butler Township
  • Butler Works
  • Forged Steel Wheel Company
  • H. Julius Klingler and Company
  • John F. Casey, Incorporated
  • John Tack & Sons
  • Kaiser Job
  • Keystone Pipe and Supply
  • New Steel Building
  • Power House
  • Pullman Standard Car Manufacturing Company
  • Rotoblast
  • Standard Steel Car Company
  • Steel Car Forge Company
  • Wayne Crouse, Inc.
  • West Pennsylvania Traction Company

Callery

  • Callery Chemical Company
  • Gallery Chemical Corporation
  • M. S. A. Research Center
  • Mine Safety Appliance Company

 

Canonsburg

  • Alcoa
  • Canonsburg Iron and Steel Works
  • Canonsburg Steel and Iron Company
  • Forbes Steel Company
  • Mcgraw Edison Company
  • Mcgraw-Edison Power Systems
  • Vitro

 

Carbondale

  • American Welding Company
  • Carbondale High School
  • Carbondale Machine Company
  • Coal Brook Mine
  • Delaware and Hudson Coal Handling Plant
  • Delaware and Hudson Company
  • Gentex Corp
  • Hendrick Manufacturing Company
  • Hudson Coal Company
  • Lackawanna Valley Electric Lt and Power Company
  • Northwest Collery
  • Our Lady of Mt Carmel Convent
  • Simpson and Watkins

 

Carlisle

  • Carlisle Barracks
  • Carlisle Gas and Water Company
  • Frog Switch Manufacturing Company
  • Lindner Shoe Company
  • Us Army War College – Carlisle Barracks
  • War College

 

Carnegie

  • Aetna Chemical Company
  • Amjohn Inc.
  • Carlson Manufacturing Company
  • Carnegie Tube Company
  • Columbia Bridge Company
  • Damascus Nickel Steel Company
  • Guardian Encr & Dev Company
  • Masonry Inc
  • McClintic-Marshall Construction Company
  • Salem Brosius Inc
  • Superior Steel Corporation
  • Taylor Forge & Pipe Works
  • Union Electric Steel Company

 

Catasauqua

  • Bryden Horseshoe Company
  • Catasauqua Manufacturing Company
  • Crane Iron Works
  • Empire Iron Steel Company
  • Lehigh Car Wheel and Axle Company
  • Lehighs Northampton Gas Electric Company
  • O’Brien Rubber Thread and Webbing Company

 

Chambersburg

  • American Can Company
  • Bard Insulation Company
  • Cedar Cliff Silk Company
  • Chambersburg Hospital
  • Chambersburg Powerhouse
  • Corning Glass
  • Cumberland Valley Railroad Company
  • H.J. Heinz Company
  • Swift and Company

 

Chester

  • A.H. Wirz Inc.
  • American Dredge
  • American Dyewood Company
  • American Locomotive Company
  • Atlantic Refining Company
  • Baldt Anchor Chain and Forge Company
  • Baldt Anchor Company
  • Baldt Anchor Forge Company
  • Baldwin Lima Hamilton
  • Balot Anchor Forge Company
  • Beacon Light Company
  • BP
  • Buono Bakery
  • Chester High School
  • Chester Lace Company
  • Chester Paper Company
  • Chester Processing Company
  • Crozier Medical Center
  • Delaware County Electric Company
  • Delaware River Steel Company
  • Dredge Philadelphia
  • Employment Security Office
  • Fayette Manufacturing Company
  • Federal Steel Foundry Company
  • Ford Motor Company
  • Hopeman Borthers
  • J H Wilcox
  • M.T. Seakite
  • Medford’s Inc.
  • National Tube Company
  • Newark Processing Company
  • Pacor
  • Peco Chemical
  • Penn Shipbuilding
  • Pennsylvania Industrial Chemical Company
  • Pennsylvania Railroad
  • Pennsylvania Steel Mill
  • Philadelphia Electric Company
  • Philadelphia Quartz Company
  • Phoenix Iron and Steel Company
  • Pittsburgh Ferromanganese Company
  • Reynolds Metals Company
  • Ruth Bennett Project
  • Scott Paper Company
  • Springwell Foundry
  • Sun Oil
  • Sun Shipbuilding & Drydock Company
  • Sun Transport Company
  • Thermal Refractories Company
  • Thomas Haywood
  • Tidewater Steel Company
  • Ukranian Cathedral
  • Widener University
  • Wirtz A H Inc

 

Cheswick

  • Coalfax Power Station
  • Duquesne Light Company
  • Duquesne Light Company
  • Gulf Research & Development
  • West Pennsylvania Power Company
  • Westinghouse Aed Building Addn
  • Westinghouse Electric Company

 

Clairton

  • Badger Corp Benzoil Plant 8
  • Carnegie Steel Company
  • Clairton By-Products Coke Works
  • Clairton High School
  • Clairton Steel Works and Furnaces
  • Crucible Steel Company of America
  • Keystone Project
  • Pennsylvania Industrial Chemical Company
  • Power Piping Company
  • United States Steel Corporation
  • USX Steel Mill

 

Clarion

  • Brockway Glass
  • Commonwealth of Pennsylvania
  • Owens Illinois Glass Company
  • State Teachers College

 

Clearfield

  • Army Reserve Center
  • Clay Mill Works
  • Clearfield High School
  • Clearfield Hospital
  • Shawville Power Station
  • Stratton Motors

 

Coatesville

  • Bethlehem Lukens Plate
  • Coatesville Rolling Mill Company
  • Day & Zimmerman
  • Lakens Iron and Steel Company
  • Linde Air Products Company
  • Lukens Iron and Steel Company
  • Lukens Steel Company
  • North Brothers Company
  • Physical Test Labs.
  • Steam Generator Sales Service
  • Veterans Administration Hospital
  • Worth Brothers Company

 

Columbia

  • Colonial Aluminum & Smelting Company
  • Columbia Metals Company
  • Columbia Water Company
  • E T Edwards
  • Grinnell Company Inc

 

Connellsville

  • Anchor Hocking Glass Company
  • Anchor Rooking Company
  • B & O Railroad
  • Baltimore and Ohio Railroad
  • Bell Telephone Company
  • Boston & Ohio Railroad
  • Southwest Water Company
  • W.J. Rainey Company
  • West Pennsylvania Power Company
  • West Pennsylvania Traction Company

 

Conshohocken

  • Acousticraft, Incorporated
  • Alan Wood Iron and Steel Company
  • Alan Wood Steel Company
  • Allenwood Steel
  • Budd Company
  • Conshohocken Worsted Company
  • Finnaren & Haley Paint
  • Ford and Kendig Company
  • Goodyear Tire and Rubber
  • Ivy Rock Farm
  • Jawood Lukens
  • John Wood Company
  • John Wood Manufacturing Company
  • Keystone Woolen Mills
  • Lee Rubber & Tire Company
  • Longmead Iron Company
  • Quaker Chemical Corporation
  • Smith Kline & French
  • William Armstrong & Sons
  • Wood John Company
  • Wood, Alan, Steel Company

 

Coplay

  • Central Cement Company
  • Coplay Cement Manufacturing Company
  • Reliance Cement Company
  • Valley Mill

 

Cornwall

  • Bethlehem Cornwall
  • Bethlehem Steel Corporation
  • Bird Coleman Furnaces
  • Cornwall Iron Company
  • Cornwall Ore Bank Company
  • New Pellet Plant
  • North Cornwall Furnace Company

 

Cornwell Heights

  • Badenhauser
  • Riley Stoker
  • Schutte & Koerting
  • Schuylkill Forge Company

 

Courtney

  • Alleghany Power Company
  • Allegheny Energy Supply Company
  • General Electric
  • Mitchell Power Station
  • West Penn Power Company
  • West Pennsylvania Power Company

 

Creighton

  • Alon Engineering Inc
  • Pittsburgh Plate Glass Company

 

Danville

  • Auditorium Danville State Hopital
  • Cherokee Plant
  • Danville State Hospital
  • Danville Stove and Manufacturing Company
  • Danville Structural Tubing Company
  • Danville Water Works
  • Howe and Polk
  • Howe and Samuel
  • Hydro-Blast Corporation
  • Mahoning Rolling Mill Company
  • Merck Chemical
  • Merrick Chemical Plant
  • Montour Cty
  • Montour Steel and Iron Company
  • North Branch Steel Company
  • Pennsylvania Brake Beam Company
  • Reading Iron Company
  • Reed Danville State Hopital
  • Washington Powerhouse

 

Delta

  • Peachbottom Nuclear Plant
  • Philadelphia Electric

 

Donora

  • American Steel and Wire Company
  • Donora Brewing Company
  • Donora Zinc Works
  • Union Steel Company
  • United States Steel

 

Dubois

  • Adrian Furnace
  • American Motors
  • Baltimore & Ohio Railroad Company
  • Berwind White Coal Manufacturing Company
  • Buffalo and Susquehanna Coal and Coke Company
  • Burke, Parsons & Bowlby
  • Dubois Elect and Tractor Company
  • Dubois Hospital
  • Fitzpatrick Sheetmetal
  • Osborn Machine Company
  • Rochester and Pittsburgh Coal and Iron Company

 

Dunmon

  • Dolph Coal Company
  • Dunmon Iron and Steel Company
  • Old Forge Breaker
  • Pennsylvania Coal Company

 

Dunmore

  • Double Woven Corporation of America
  • Erie Railroad Company
  • Gipsey Grove Colliery
  • Lehigh Engineering Company
  • Pennsylvania Coal Company
  • Pennsylvania Cola Company
  • R.C.A.
  • Schooley Colliery

 

Duquesne

  • Carnegie Steel Company
  • Duquesne Incinerator
  • Duquesne Steel Works
  • Grant Towers
  • Linde Air Proudcts Company
  • Union Carbide & Carbon Chemical Corporation
  • United States Steel Corporation

 

East Pittsburgh

  • Westinghouse Betis
  • Westinghouse Electric & Manufacturing Company
  • Westinghouse Electric Corp
  • Westinghouse Machine Company

 

Easton

  • Alpha Portland Cement Company
  • Ashland Emery and Corumdum Company
  • Belementis Pigments Inc
  • Bethlehem Corporation
  • Bethlehem Steel Corporation
  • Chipman Knitting Company
  • Chipman Knitting Mills
  • City Hall & Courthouse
  • Dixie Cup Plant
  • Dock St. Plant
  • Eastern Affiliated Services Corp
  • Eastern Pennsylvania Power Company
  • Easton Gas and Electric Company
  • Easton High School
  • Easton Shopping Center
  • Harrisburg Foundry and Mach Company
  • Ingersoll Rand Company
  • Ingersoll Sergeant and Drill Company
  • Lafayette College
  • Lehigh Water Company
  • Metropolitan Edison Company Dock St. Station
  • Northampton Traction Company
  • Northern Ore Company
  • Pennsylvania Utilities Company
  • Peoples Consolidated Service Corptn
  • Pfizer Inc.
  • R. and H. Simon
  • Taylor Wharton Iron and Steel Company
  • Temple Covenant of Peace
  • Victor Balata Plant
  • Wm Wharton Jr. Company

 

Eddystone

  • Baldwin – Lima-Hamilton
  • Baldwin Locomotive Works
  • Boeing Company
  • Boeing Vertol
  • Eddystone Manufacturing Company
  • Eddystone Powerhouse
  • Eddystone Station
  • Exelon Power
  • General Steel Castings Company
  • Heppenstall Eddystone Corp
  • Heppenstall Forge Eddystone Company
  • Midvale Heppenstall Company
  • North Side of Industrial Highway
  • Peco Eddystone Station Powerhouse
  • Philadelphia Electric
  • Scott Foam
  • Scott Paper Company
  • Vertal Division
  • Vertol Div Boeing Company

 

Elderton

  • Keystone Generation Station
  • Westinghouse Electric Corporation

 

Ellwood City

  • Aetna Standard
  • Blaw-Knox Company
  • Ellwood City Forge Corp
  • Lincoln H.S.
  • National Tube
  • Pennsylvania Power Company
  • Shelby Steel Tube Company
  • Standard Plant
  • Steel Car Forge Company
  • United States Steel

 

Elrama

  • Duquesne Light Company
  • Elrama Powerhouse
  • Elrama Station
  • Equitable Gas Company
  • Limbach S Pgh Water Company
  • Matthiessen and Hegeler Zinc Company
  • Orion Power Holdings Inc
  • Westinghouse Electric Company

 

Enola

  • Air Reduction Sales Company
  • Conrail
  • Hbg
  • Pennsylvania Railroad Company
  • R L Miller

 

Erie

  • Aluminum Company of America
  • Ball Engine Company
  • Barron College
  • Black and Germer
  • Consumers Power
  • Continental Rubber Works
  • Detroit Steel Products Company
  • Eric City Iron Works
  • Eric Forge & Steel
  • Erie Coke Company
  • Erie County Electric Company
  • Erie Electric Motor Company of Erie Pa.
  • Erie Forge and Steel Company
  • Erie Lighting Company
  • Erie Malebus Iron
  • Erie Works
  • F.H. Kalbfleisch
  • G.A.F. Corp Industrial Prod Div
  • General Electric Company
  • H.T.Watson Company
  • Hammermill Paper Company
  • Hamot Hospital
  • Hamot Medical Center
  • Hydro-Blast Corporation
  • Interlake Iron Company
  • International Paper Company
  • K & L Refractory Service
  • Laco-Mcmullen Company Inc.
  • Linde Company
  • Lovell Manufacturing Company
  • McEnery Company
  • Mill Creek School
  • Millcreek Mall
  • Norfolk & Western Railroad
  • Nosco
  • Oldman Boiler Works
  • Pennsylvania Electric Company
  • Pennsylvania Gas Company
  • Pennsylvania Railroad
  • Pennsylvania Rubber Company
  • Perry Iron Company
  • Quint Corp
  • Rubel
  • Sans Corporation
  • Skinner Engine Company
  • Union Iron Works
  • Wellman – Seaver Morgan Company
  • Whiting Corporation
  • Zurn Industries

 

Essington

  • Baldwin Automotive
  • Scott Paper Company
  • Westinghouse Electric and Manufacturing Company

 

Etna

  • Carnecie Ill. Steel Company
  • Isabella Furnace Company
  • Keystone Asbestos-Magnesia Company
  • Mcconnell Asbesto and Covering Company
  • National Supply Company
  • Spaug Chalfaut and Company

 

Exton

  • A.I.W. Frank Corp
  • Cresmer Fence Company
  • Exton Mall
  • Foote Mineral Company

 

Fairless

  • American Can
  • Fairless Works Us Steel
  • M.H. Detrick
  • U. S. Steel Corporation

 

Fairless Hills

  • F.A. Pavlick
  • Fairless Steel
  • Fairless Works
  • Koppers
  • Strick Trailers
  • U. S. Steel Corporation
  • Usx Steel Mill

 

Farrell

  • Carnegie Steel Company
  • Farrell Steel Works and Furnaces
  • Linde Company
  • Sharon Steel Corporation

 

Ford City

  • Borough of Ford City
  • Fawcus Machine Company
  • Ford City Foundry and Machine Company
  • Pittsburgh Plate Glass Company

 

Fort Washington

  • Chemical Concentrates
  • Hooples and Townsend Company
  • W M H Rorer Company

 

Frankford

  • Allied Chemical & Dye Corporation
  • Barrett Div Allied Chemical and Dye Corp
  • Barrett Manufacturing Company

 

Franklin

  • Bethlehem Steel Corporation
  • Chicago Pneumtic Tool Company
  • Franklin Quality Refining Company
  • Franklin Steel Works
  • Hydro-Blast Corporation
  • Plant #2

 

Germantown

  • American Lace Manufacturing Company
  • Leicester Continental Mills Company
  • United Gas Imp Company
  • William Armstrong & Sons
  • Wilson H. Brown Inc.

 

Girard Point

  • Gulf Oil Corporation
  • Gulf Refining Company
  • Jayval Marine Corporation

 

Glassport

  • Allegheny By Product Coke Company
  • American Axe and Tool Company
  • Bucyrus – Erie
  • Pittsburgh and Lake Erie Railroad
  • Pittsburgh Gas and Coke Company
  • Pittsburgh Steel Foundry

 

Greensburg

  • Allegheny Energy Supply Company
  • Atlantic Crushed Coke Company
  • East Hempfield Elementary School
  • Hatfields Ferry Power Station
  • Jamison Coal and Coke Company
  • Kelly and Jones Company
  • Keystone Coal and Coke Company
  • Navy Propulsion Plant
  • St. Joseph’s Academy
  • Wayne Constn Company
  • Westmoreland County Home For The Destitute

 

Greenville

  • A.G. Vento Plumbing Company
  • Bessemer and Lake Erie Railroad Company
  • Chicago Bridge & Iron Company
  • Greenville Steel Car Company
  • Mercer County Light Company
  • Peoples Electric Light Heat and Power Company
  • Shelby Steel Tube Company

 

Hanover

  • Alloy Rod Plant
  • Bethlehem Steel Corporation
  • Hanover Power Company
  • Lehigh Engineering Company

 

Harmarville

  • Consumer’s Mining
  • Gulf Research & Development
  • Harmar Coal
  • Pittsburgh Plate Glass Industries

 

Harrisburg

  • Amp, Incorporated
  • Badwell Company
  • Beckwith Mach
  • Bodwell Company
  • Central Iron and Steel Company
  • Columbia Rolling Mill Company
  • Dauphin County Prison
  • Department of Motor Vehicles Building
  • Fanny Farmers Candy Manufacturing
  • Farm Show Building
  • Finance Building Capitol Complex
  • General Electric
  • Glen Gery Shale Brick Company
  • Governor’s Mansion
  • Gsa
  • Harrisburg Hospital
  • Harrisburg Light and Power Company
  • Harrisburg State Hospital
  • Harrisburg Steel
  • Harrisburgh Light and Power Company
  • Harrisburgh Water Works
  • Henry Laudenslager
  • Hummelstown Water Supply
  • J D Fenny Company
  • J W Koch Company
  • Jacoby Heating Inc
  • Kim-Bob Construction
  • Lochiel Rolling Mill Company
  • Mann Brothers
  • Metropolitan Edison-Tmi
  • Middletown Air Force Base
  • Novingers, Incorporated
  • Parkway Apt.
  • Paxtang Electric Company
  • Paxton Iron and Steel Company
  • Paxtron Furnaces
  • Penn Mo Fire Brick Company
  • Penn State Educational Association Building
  • Pennsylvania Power & Light
  • Phoenix Iron and Steel Company
  • State Office Building, Commonwealth Ave. and Foster St.
  • Trw Inc.
  • Tuscarora Oil Company, Ltd.
  • Tyrone Iron Company
  • Union Carbide Corporation

 

Hauto

  • Lehigh Coal Navigation Company
  • Lehigh Industrial Power Company
  • Lehigh Navigation Electric Company
  • Pennsylvania Power and Light Company

 

Hazleton

  • A. Barletta & Sons
  • A. Pardee and Company
  • Beryllium Corporation
  • Berylluim Corp
  • Duplan Corporation
  • Duplan Silk Corp
  • E.I. Du Pont De Nemours and Company
  • Edison and Illuminating Company
  • Electric Auto-Lite Company
  • Evans Colliery Company
  • Hazelton Water Works.
  • Hazleton Brick Company
  • Hazleton Electric Light and Power Company
  • Jere Woodring and Company
  • Jere Woodring and Company
  • Lehigh Valley Coal Company
  • Lehigh Valley Coal Company
  • Maryd Coal Company
  • Tere Woodring and Company

 

Hershey

  • Founders Hall
  • Hershey Chocolate Corporation
  • Hershey Foods Corporation
  • Hershey Medical Center/Hospital
  • Hershey State Police Training Barri

 

Hollidaysburg

  • Ambrose Augusterfer Corporation
  • Hollidaysburg Power Station
  • Mclanahan Corporation
  • Pennsylvania Railroad Samuel Rea Car Repair Shop
  • Roaring Springs Paper Mill

 

Homer City

  • D M Trahan Proj Supt
  • Edison International
  • Edison Mission Energy
  • Homer City Powerhouse
  • Midwest Generation
  • Pennslyvania Electric Company

 

Homestead

  • Bethlehem Steel Corporation
  • Carnegie Steel Company
  • Homestead Highland
  • Homestead Water Works
  • Homestead Works Us Steel
  • Howard Axle Plant
  • Linde Air Products Company
  • Mesta Machine Company
  • Monongahela Electric Light Company
  • Open Hearth Div
  • Pangborn Corporation
  • United Engineering & Foundry Company
  • United States Steel Corporation
  • Westinghouse Electric Company

 

Huff

  • Conemaugh Station

 

Huntingdon

  • Glenn M. Baker Heating & Plumbing
  • Hudwood Irwin Company, Inc.
  • L C Anderson
  • St. Corr Inst At Hungtindon
  • Troy Jack

 

Indiana

  • Bowman Trucking
  • Commonwealth of Pennsylvania
  • Hetrick and Wilson
  • Indiana Cold Stge and Ice Company
  • Indiana Erie Company
  • Indiana Provision Company
  • Indiana State Teachers College
  • Keystone Power Plant
  • Lucerne Mines
  • Mccreary Tire & Rubber Company
  • Pittsburgh Rochester Coal
  • University of Pennsylvania

 

Irvin

  • Carnegie Illinois Steel Corporation
  • Carrie Furnace
  • National Forge and Ordnance Company
  • Penn Gas Coal Company
  • U. S. Steel Corporation
  • Westmoreland Coal Company

 

Irwin

  • Adams Mine
  • Irwin Works
  • Jersey Cereal Food Company
  • North Huntington Twp High School
  • Penna Gas Coal Company
  • Westinghouse Electric & Manufacturing Company
  • Westmoreland Coal Company

 

Jeanette

  • Carlin William Steam Boilers
  • Elliot Steel Company
  • General Tire & Rubber Company
  • Pennsylvania Rubber Company

 

Jeannette

  • Belliott Turbomachinery Company Inc
  • Diversitech General
  • Elliot Company
  • Elliott Turbomachinery Company Inc
  • General Tire & Rubber Company
  • Jeannette Glass Company
  • Jeannette Shade & Novelty Company
  • Mckee Division
  • Model Laundry and Dry Cleaning Company
  • Pennsylvania Rubber Company

 

Jeddo

  • G B Markle and Company
  • G B Markle Company
  • Highland North 5 Colliery
  • Jeddo Highland Coal Company
  • North 4 Colliery

 

Johnsonburg

  • Castanea Paper Company
  • Clarion Mills
  • New York & Pennsylvania Company, Inc.
  • Penn Tech
  • Willamette Industries

 

Johnsontown

  • A J Haws and Sons Ltd
  • Air Production Sales
  • Beam Yard Power House
  • Bessemer Steel Works
  • Blooming Mill
  • Cambria Iron Company
  • Cambria Leasing Corporation
  • Cambria Library Association
  • Cambria Steel Company
  • Chas St Suppes
  • Citizens Light Heat and Power Company
  • Conemaugh Power Station
  • Conemaugh Valley Memorial Hospital
  • Crane Company
  • Franklin Works
  • Garfield Junior High School
  • Gautier Steel Department
  • Hiram Swanks Son
  • Johnson Company
  • Johnstown Water Authority
  • Koppers Company, Inc.
  • L-Air Liquide
  • Lee Hospital
  • Lorain Steel Company
  • Meadowvale School
  • Mill Creek Power House
  • National Radiator Company
  • Number 3 Rollilng Mill
  • Number 4 Rolling Mill
  • Number 5 and Number 6 Blast Furnace
  • Number 8 Grutier Mill
  • Open Hearth Plant
  • Penn Public Service Corp
  • Pennsylvania Electric Company
  • Reliant Energy Mid Atlantic
  • Semet Solvay Company
  • Seward Power Plant
  • Southern Cambria St. Railway Company
  • St. Joe Lead
  • U. S. Steel Corporation
  • Universal Elec. & Manufacturing. Company
  • Wire Mill

 

King of Prussia

  • Cochrane D&V Crane Corporation
  • General Electric Company
  • John Wanamaker Store
  • King of Prussia Shopping Center
  • Pennsalt Chemicals Corp
  • Western Electric Company
  • White Pigment Corp

 

Kingston

  • Bartels Brewing Company
  • Bucknell University
  • Culp Industrial Insulation Company
  • D. L. and W Railroad Company
  • East Boston Colliery
  • Erie Lackawanna Railroad
  • Eureka
  • Kingston Coal Company
  • Lehigh Valley R. R.
  • Mary Street Project
  • Marywood College
  • Miseracordia
  • Number 2 Shaft Colliery
  • Number 4 Breaker
  • Number 4 Colliery
  • P P & L Office Building
  • Penn High School
  • W G Payne and Company
  • Wilkes College
  • Wise

 

Kittanning

  • Allegheny Energy
  • Armstrong Power Station
  • Freebrook Corporation
  • Kittanning Ceramics Company
  • Kittanning Plate Glass Company
  • Linde Air Products Company
  • Reedsville Power Station
  • West Penn Power Company

 

Kobuta

  • Koppers Company, Inc.
  • Sinclair Koppers Company

 

Koppel

  • Babcock & Wilcox Company
  • Bandw Tubular Products Div
  • Tub Prod

 

Lancaster

  • Aluminum Company of America
  • American Paper Products Company
  • Armstrong Contracting & Supply
  • Armstrong Cork Company
  • Armstrong World Industries
  • Burle Industries Inc
  • Carbon Malleable Company
  • Citizens Electric Light Heat and Power Company
  • City of Lancaster Pa Department of Water
  • Closure Plant
  • Conestoga Traction Company
  • Consolidated Cigar Company
  • Decorating & Display Studio
  • Edison Electric Illuminating Company
  • Everets and Overdeer
  • Floor Plant Building 500
  • Hamilton Watch Company
  • Hess Department Store
  • Hilton Hotel
  • Host Motel
  • Howe Sound Company
  • Howmet Corporation
  • I.T.T. Fluid Products
  • John Tearney Heating & Plumbing
  • Kelloggs
  • Lancaster Closure Plant
  • Lancaster Cork Works
  • Lancaster County Railway and Light Company
  • Lancaster Floor Plant
  • Lancaster Mall Castings
  • Lancaster Malleable Castings Company
  • Lancaster Water Works
  • National Borax Company
  • New Air Cond System Closure Plant
  • New Sr. High School
  • Office & Whse. R. C. A.
  • Park City Shops
  • Penn Dairies
  • Pennsylvania Iron Company
  • Pennsylvania Power & Light Company
  • Quaker State Metals Company
  • R. C. A. Victor
  • Radio Corp of America Tube Div
  • Reese Metal Products Corp
  • Research & Development Center
  • Schick Inc.
  • Smoketown Elementary School
  • Sprenger Brewing Company
  • Springs Cotton Mills
  • Ss Bertz Whse
  • St. James Episcopal Church
  • St. Joseph Hospital
  • Thaddeus Stevens Industrial School
  • Wall & Shand, Duke and Vine Sts.
  • William J. Mimm Lancaster Floor Plant
  • Woolworth Building
  • Ymca Building

 

Lansdale

  • Advanced Specialty Company
  • American Clean Tile
  • American Olean Tile Company, Inc
  • J W Rex Company
  • Lansdale Tube
  • Merck and Company
  • Rolle Manf Company
  • Shelly Brothers Inc.
  • Stanbridge Apts
  • Ymca
  • Zenith Corporation

 

Large

  • Westinghouse Electric Company
  • Westinghouse Power Division

 

Latrobe

  • American Locomotive Company
  • Citizens Bank
  • Kennametal Inc
  • Latrobe Area Hospital
  • Latrobe Brewing Company
  • Latrobe Construction
  • Latrobe Electric Steel Company
  • Latrobe Forge & Spring, Inc.
  • Latrobe Hospital
  • Latrobe Steel Company
  • Latrobe Steel Works
  • Railway Steel Spring Company
  • Vanadium Alloy Steel Company
  • Vasco
  • Vciticorp Venture Capital
  • Vulcan Mold

 

Lawrenceville

  • Hunter Saw & Machine
  • National Valve
  • New York State Electric & Gas Corporation
  • New York State Natural Gas
  • Peoples Natural Gas Company

 

Lebanon

  • Aluminum Company of America
  • Amer Iron Steel Manufacturing Company
  • American Iron and Steel Company
  • Bethlehem Steel Corp
  • Central Works
  • Cleaver Brooks Company
  • J and R Meily
  • John A. Rigg
  • Lackawanna Iron and Steel
  • Lavino Furnace Company
  • Lebanon Blast Furnace Company
  • Lebanon City County Building
  • Lebanon Concentrator Plant
  • Lebanon Furnance Company
  • Lebanon Steam Company
  • Lebanon Valley Iron Works
  • Lebanon Valley Str. Railway. Company
  • Penna Bolt and Nut Company
  • Pennsylvania Bolt and Nut Company
  • Pennsylvania Steel Company
  • West End Rolling Mill Company

 

Lester

  • Lester Industrial Building
  • Marathon Company
  • Mechanical Insulation Company
  • Westinghouse Electric Corp
  • Westinghouse Steam Division

 

Levittown

  • Ben Franklin Elementary School
  • Econolodge
  • Hunter Manufacturing
  • Racquet Club East Apts
  • Roebling Steel
  • Woodbourne Apartment Association

 

Library

  • Consolidated Coal Company
  • Pittsburgh Consolidation Coal Company

 

Lock Haven

  • Culp Industrial Insulation Company
  • Hammermill Paper
  • Immaculate Conception School
  • International Paper Company
  • New York & Pennsylvania Company, Inc.
  • Pennsylvania Pulp and Paper Company
  • Potlach Paper Mill
  • Zimmerli Gym Lock Haven University

 

Londonderry Township

  • Three Mile Island

 

Manheim

  • Raybestos Manhattan Plant
  • United States Asbestos Company
  • Us Asbestos

 

Marcus Hook

  • Allied Chemical Corporation – Baker & Adamson Plant
  • American Viscose Corporation
  • B.F. Refinery
  • Benzol Products Company
  • Bp Oil Corporation
  • Brithish Petro
  • Congoleum
  • Congoleum Nairn Inc.
  • Conoqleum Company
  • General Chemcial Company
  • J.J. White Company
  • Marcus Hook Plant
  • National Aniline and Chemical Company
  • Pure Oil Company
  • Signal Oil & Gas Company
  • Sinclair Refining Company
  • Sun Oil Company Refinery
  • Sun Oil Plant
  • Sun Petroleum Company
  • Sunoco Refining and Marketing
  • Texas Company
  • Tosco Pennsylvania
  • United Roofing and Manufacturing Company
  • Visco Company
  • Viscose Company

 

Martins Creek

  • Alpha Portland Cement Company
  • Bechtel Steel Plant
  • Martins Creek Powerhouse
  • Penn Power & Light Company
  • Pennsylvania Power & Light Company
  • Wm Krause and Sons Cement Company

 

Masontown

  • Allegheny Energy Supply Company
  • Allegheny Power System
  • Hatfield Power Station
  • Hatfield Station
  • Monongahela Power Company’S
  • Sharon Coke Company

 

Mauch Chunk

  • Carbon Transit Company
  • Excelsior Steam Planning Mill
  • J.S. Wentz
  • Mauch Chunk Crystal Ice Company
  • Mauch Chunk H. Power and Electric Light Company
  • Mauch Chunk Lehighton and Slatington Railway Company
  • Midvalley Coal Company
  • Silverbrook Coal Company

 

McKees Rocks

  • Alcoa
  • Bell Telephone
  • Carnegie Tech
  • Desuperheater Station
  • Duquesne Brewing Company
  • Eliza Pipe Shop
  • Federal Enameling and Stamping Company
  • Fort Pitt Malleable and Grey Iron Company
  • Fort Pitt Malleable Iron Company
  • George V. Hamilton, Inc.
  • Hilton Hotel
  • James Mckay Company
  • Koppers Company
  • Lockhart Iron and Steel Company
  • McKees Rocks Ind Enterprises
  • National Aniline Division – Uss Chemicals
  • Olin Mathieson Chemical Corporation
  • P & L
  • Pennsylvania Malleable Company
  • Pittsburgh Coke & Chemical Company
  • Pittsburgh Lake Erie Railroad Company
  • Pittsburgh Steel Company
  • Pressed Steel Car Company
  • River Toad
  • Schoen Steel Wheel Company
  • Shipping Atomic Power Station
  • Singer Ice Company
  • Skin & Cancer Clinic
  • U. S. Steel Corporation
  • U. S. Steel Urban Works
  • Underground
  • Van Dorn Company Heat Tre
  • Weirton Steel
  • Westinghouse Electric Company
  • Youngstown Sheet & Tube Company

 

McKeesport

  • Amer Sheet Steel Company
  • City of McKeesport Water Department
  • Enamel Products & Plating Company
  • Firth Sterling Inc
  • Firth Sterling Inc.
  • Firth Sterling Steel Company
  • Firth Sterling Steel Company
  • Fort Pitt Steel Casting Company
  • Kelsey Hayes Wheel Company
  • Marker & Sons
  • McKeesport and Youghiogheny Ice Company
  • McKeesport Hospital
  • McKeesport Manufacturing Company
  • McKeesport Tin Plate Company
  • McKeesport Water and Light Company
  • McKeesport Water Purification Works
  • McKeesport Works
  • Monongahela Furnaces
  • Nat. Tube Works. Company
  • National Galvanizing Works
  • National Rolling Mill
  • National Tube Company
  • National Tube Works Company
  • Peoples Ice Light and Storage Company
  • Peters and Company
  • Peters Packing Company
  • Pittron
  • Pitts. McKeesport and Westmoreland St. Railway Company
  • Tube City Brewing Company
  • U. S. Steel Corporation
  • W Dewees Wood Department

 

Meadville

  • Allegheny College
  • American Brake Shoe Company
  • American Viscose Corp
  • Erie Railroad
  • Fmc Corp American Viscose Div
  • Northwestern Penna Railway Company
  • P P G Industries Inc
  • Peoples Incandescent Light and Power Company
  • Sunbeam Equipment Company
  • Viscose Company

 

Mechanicsburg

  • Board of Education
  • Capitol Products Company
  • Miller Robert L
  • Naval Supply Depot
  • Salem Park Townhomes

 

Mehoopany

  • Charmin Paper Company
  • Charmin Paper Products Company
  • Charmin Paper Rod Company

 

Middletown

  • Am. Department
  • Amergen Energy Company
  • American Tube and Iron Company
  • Central Gas & Electric
  • Edison Light Company
  • Metropolitan Edison Company
  • Middletown Car Company
  • Middletown Car Works
  • Middletown Elementary School
  • Olmstead Air Force Base
  • Three Mile Island Nuclear Plant

 

Midland

  • Colt Industries
  • Colt Industries Crucible, Inc.
  • Crucible Steel Company of America
  • E W Bliss Company
  • Ltv Sheet and Tube
  • Midland Steel Company
  • Midland Works
  • Naval Ordnance Works
  • Pittsburgh Crucible Steel Company
  • Pittsburgh Steel
  • Rust Boiler Company
  • S. Jarvis Adams Company
  • Treadwell Construction Company

 

Milton

  • American Car & Foundry
  • Gold Bond Building Products
  • Merritt Chapman & Scott
  • Milton Manufacturing Company
  • National Gypsum Company
  • S. J. Shimer and Sons

 

Minersville

  • Buck Run Coal Company
  • Colonial Colheries Company
  • John Veith Colliery
  • Leisenring and Company
  • Lytle Coal Company
  • Philadelphia and Reading Coal and Iron Company
  • Pine Knot Colliery
  • Pottsville Water Company

 

Monaca

  • Applied Energy Services Inc
  • Arco Polymer
  • Colonial Steel Company
  • Horsehead Industries
  • Koppers Company, Inc.
  • Phoenix Glass Company
  • Pittsburgh Screw and Bolt Company
  • Pittsburgh Tool Steel Wire
  • Sinclair Koppers Company
  • St Joseph Lead Company
  • St. Joe Resources Company
  • St. Joseph Lead Company
  • Superior Drawn Steel Company
  • United States Sanitary Manufacturing Company
  • Us Sanitary Manufacturing.
  • Vanadium Alloy Steel Company
  • Zinc Smelting Div

 

Monessen

  • Amer Sheet and Tin Plate Company
  • Monessen Works
  • Page Steel & Wire Company
  • Page Woven Wire Fence Company
  • Pittsburgh Steel Corp
  • Wheeling-Pittsburgh Steel Corporation

 

Monongahela

  • Graham Foundry and Machine Company
  • Hatfield Power Station
  • Hatfield Power Station On West Bank
  • Mcgrew Parkinson and Company
  • Mitchell Power Station
  • Monongahela Power Station
  • West Pennsylvania Power Company

 

Monroeville

  • College Park
  • Koppers Research Lab
  • Monroeville High School
  • Monroeville Mall
  • Our Lady of Mercy Academy
  • Our Lady of Mercy School
  • Thermal Transfer Corp
  • United States Steel Corporation

 

Montgomery County

  • Remington Rand
  • Rorer Group, Inc.
  • Shady Grove School
  • Whitemarsh Township

 

Morrisville

  • A.E. Staley Manufacturing Company
  • Commons At Fallsington
  • Fairless Hills Steel Mill
  • Fairless Works
  • First Presbyterian Church
  • Norland Shipping & Trading Company
  • Pennsbury Pottery Company
  • Rhodia Inc
  • Staley Syrups
  • Stauffer Chemical Company
  • U.S. Steel Corporation
  • US Steel Mill
  • Victor Chemical Works
  • Vulvanized Rubber & Plastics Company
  • Wheelabrator Falls Wte

 

Mount Carmel

  • Colonial Colheries Company
  • Edison and Illuminating Company
  • Girard Coal Company
  • Lehigh Valley Coal Company
  • Midvalley Coal Company
  • Phila and Reading
  • Scott Colliery
  • Susquehanna Collieries Company
  • Union Coal Company
  • Union Coal Company Scott Colliery
  • Union Coal Company Scott Shaft

 

Munhall

  • Carnegie Library
  • Carnegie Phipps and Company Ltd
  • Carnegie Steel Company
  • Carnegie Steel Works
  • Homestead Steel Works
  • U. S. Steel Corporation

 

Nanticoke

  • D.L. and W. Railway Company
  • Delaware, Lackawanna and Western Railroad Company
  • Electric Power Station
  • Glen Alden Coal Company
  • North 1 Shaft
  • North 2 Shaft
  • Peoples St. Railway Company
  • Susquehanna Coal Company
  • Truesdale Colliery

 

Nazareth

  • Dexter Portland Cement Company
  • Natural Gas Pipeline
  • Nazareth Cement Company
  • Nazareth Portland Cement Company
  • Nazareth Steel Fabricators
  • Penn Dixie Cement Company
  • Phoenix Cement Company
  • Schoeneck Farms Inc.

 

Neville Island

  • Allegheny Chemical
  • Badger Us Steel Chemical Plt
  • Bethlehem Steel Corporation
  • Davison Coke and Iron Company
  • Dravo Corp
  • Dravo Shipbuilding
  • Green Bag Cement
  • Gulf Refining Company
  • Island Petroleum Company
  • Marquette Cement
  • Neville Chemical Company
  • Neville Island Coke & Chemical
  • Pittsburg Coke & Chemical Company
  • Pittsburgh Activated Carbon Company
  • Pittsburgh Coke & Chemical Company
  • Shenango Steel
  • United States Steel Corporation
  • Vulcan Detinning Company

 

New Brighton

  • Beaver Valley General Hospital
  • C.C. and E. P. Townsend Company
  • Dravo Corporation
  • Standard Sanitary Manufacturing Company
  • Townsend Company
  • Valley Electric Company
  • Van Horn Ely
  • Wm Leard Company

 

New Castle

  • American Brake Shoe
  • American Sheet and Tin Plate Company
  • Baltimore & Ohio Railroad Company
  • Barnes Construction Company
  • Benjamin Franklin Jr High School
  • Boston & Ohio Railroad
  • Carnegie Steel Company
  • Delworth Paper Company
  • G W Johnson Company
  • H. Koppers Company
  • Lehigh Portland Cement Company
  • Mesta Machine Corp
  • Mohoningtown Shops
  • National Steel Company
  • National Steel Service Center, Inc.
  • New Castle Electric Company
  • New Castle L.H.And Power Company
  • New Castle Plant
  • New Castle Portland Cement Company
  • New Castle Shovel Company
  • New Castle Stamp’G Company
  • New Castle Water Company
  • Ohio Pennsylvania System
  • Orion Power Holdings Inc
  • Pennsylvania Power Company
  • Shenango China Company
  • Shenango Valley Steel Company
  • United Engineering & Foundry Company
  • Universal-Rundle Corporation
  • Vulcan Foundry and Machine Company

 

New Florence

  • Conemaugh Power Station
  • Huff Power Station
  • Pennsylvania Electric Company
  • Reliant Energy Wholesale Group

 

New Kensington

  • Alcoa Research Laboratories
  • American Sheet and Tin Plate Company
  • Citizens General Hosp.
  • General Electric Company
  • Kensington Water Company
  • Pittsburgh Reduction Company
  • Union Spring Manufacturing Company
  • Us Aluminum Company

 

Newell

  • Allied Chemical Corporation
  • Fayette Cty
  • General Chemical Company
  • Peabody Vertical Air Heater

 

Nicetown

  • Link Belight Engineering Company
  • Midvale Steel and Ordnance Company
  • Midvale Steel Company
  • Niles Bement Pond Company

 

Nicetown, Philadelphia

  • Geo. W. Blabon Company
  • Link Belt Engineering Company
  • Midvale Company
  • Midvalee Heppenstall Company
  • Nicetown Plate Washer Company
  • Number 3 Boilder House

 

Norristown

  • Allenwood Steel
  • American Asbestos
  • Asphalt Paving & Supply
  • Borzillo Bakery
  • Handy & Harman Tube Company
  • McCarter Iron Works
  • Mccarters Iron
  • Norristown Hospital
  • Norristown Magnesia and Asbestos Company
  • Norristown Municipal Sanitation Department
  • Norristown Post Office
  • Norristown State Hospital
  • Peco-Barbados Island Powerhouse
  • Philadelphia Electric Company
  • Sacred Heart Hospital
  • Saint Joseph’s School
  • State Hospital For Insane
  • Welding Engineers
  • Wildman & Schwartz
  • Wildman Jacquard Company

 

Northampton

  • American Bridge Division
  • Atlas Cement Company
  • Atlas Portland Cement Company
  • Universal Atlas Cement

 

Oaks

  • B F Goodrich Company
  • Philadelphia Rubber Works. Company
  • Synthane Corporation

 

Oil City

  • Electralloy
  • Electralloy Corp
  • Koppers Company, Inc.
  • Oil City Glass Company
  • Pennzoil Refinery

 

Olyphant

  • Delaware and Hudson Company
  • Hudson Coal Company
  • Olyphant Colliery
  • Olyphant Power Plant

 

Peach Bottom

  • Peach Bottom Nuclear Power Plant

 

Pen Argyl

  • Argyl Manufacturing Company
  • Penn Argyl High School

 

Pencoyd

  • A and P Roberts Company
  • American Bridge Company
  • Bridge Shop
  • Carnegie Ill. Steel Company
  • Martin and Wm Nixon Paper Company
  • Pencoyd Iron Works

 

Petrolia

  • Daugherty Refinery
  • Koppers Company Inc
  • L’Sonnebarn Sons Inc
  • Sonneborn Div
  • Witco Chemical Corp
  • Witco Corporation]

 

Philadelphia

  • A J Cameron Company
  • A Moe & Company
  • A. Blumberg & Sons
  • A. Darrah Contractors
  • A. Hirsch Air Company
  • A. P. Green
  • A. Y. Michie
  • A.C. & S., Incorporated
  • A.K. Garrett Company
  • A.P. Green Fire Brick Company
  • A.P. Green Refractory Company
  • Academy of Music
  • Ace Motor Company
  • Achenbach & Butler, Inc.
  • Acme Hardesty Industries
  • Acme Heat Treat, Inc
  • Acme Iron & Metal Company
  • Acme Markets
  • Acme Tea Company
  • Acme Warehouse
  • Ada Lewis Junior High School Tulpehocken and Ardleigh Stree
  • Adelta Manufacturing
  • Adley Express Company
  • Airmaster Inc
  • Ajax Metals Company
  • Alan Wood Steel
  • Alex Crow and Son
  • Allied Chemical
  • Allied Chemical and Dye Corporation
  • Allied Signal
  • Aluminum Company of America
  • Aluminum Smelting Corporation
  • Am Gas Electric Company
  • Amber Realty Company
  • Amer Pipe Manufacturing Company
  • American Bank Note Company
  • American Baptist Publication Society
  • American Bridge Company
  • American Can Company
  • American Cigar Company
  • American Dredging
  • American Engineering Company
  • American Gas and Electic Company
  • American Pile Fabric Company
  • American Railways Company
  • American Salvage Company
  • American Stores Company Inc
  • American Sugar
  • American Type Founders Company
  • American Viscose
  • Amoroso Bakery
  • Amstar Sugar Factory
  • Anthony Compola Plumbing
  • Ap Green Refractories Remmey Division
  • Arcade Building
  • Arcade Real Estate Company
  • Architectural Steel
  • Arco Atlantic Refinery
  • Arco Oil Refinery
  • Argo Mills
  • Armour and Company
  • Art Loom Corp
  • Asten-Hill
  • Athletic Club of The Schuylkill Navy
  • Athos Steel Mill
  • Atlantic & Gulf Company
  • Atlantic City Railroad
  • Atlantic Electric Motor
  • Atlantic Flour Mills
  • Atlantic Metals Company
  • Atlantic Oil Refinery
  • Atlantic Pipe Line Company
  • Atlantic Port Contractors
  • Atlantic Refining Company
  • Atlantic Richfield Company
  • Auto Steam Equipment Company
  • Badeer Adamson and Company
  • Baeder Adamson and Company
  • Bailey Banks and Biddle Building
  • Baker Carver & Morrel
  • Baldwin Locomotive Works
  • Ballied Chemical & Dye Corporation
  • Baltimore and Ohio Railroad
  • Bank of North America
  • Barber Asphalt Paving Company
  • Bargain City
  • Barkley Apartments
  • Barone Launch Service
  • Barret Div Allied Chemical and Dye Corporation
  • Barrett Chemical
  • Barrett Div Allied Chemical and Dye Corp
  • Barrett Manufacturing Company
  • Barretts Roofing
  • Barrones Launch Serv Inc
  • Basic Construction Company
  • Baugh Chemical
  • Beaumont Birch Company
  • Beeber Junior High School
  • Bell Telephone Company
  • Belleour Stratford Hotel Company
  • Belmont Oil Works
  • Bement Miles and Company
  • Ben Franklin Hotel
  • Bendix Aircraft
  • Benjamin Foster Company
  • Benjamin Franklin Elementary
  • Benjamin Rush Middle School
  • Bennett & Aspen
  • Bepsilon Zeta Alumni Association Pi
  • Berliner Company Joseph
  • Bers & Company
  • Berwin White Coal Mining Company
  • Betty Brackly-Lynsk
  • Bickley Furnaces, Incorporated
  • Bilc Super Market
  • Binder Cooperage
  • Bingham House
  • Blumenthal Brothers
  • Board of Education Buildings
  • Boeing Vertol Company
  • Boericke and Tafel Blding.
  • Boger & Crawford
  • Bok Technical High School
  • Bonair Foundry Company
  • Bornet Cleaners
  • Bornot Inc.
  • Boston & Ohio Railroad
  • Botany 500
  • Botfield Refractories Company
  • Bp Oil Corporation
  • Bpeco Energy Company
  • Bradlee and Company
  • Brandley Smith
  • Bregy Elementary School
  • Bricklayer’s Union Local 1
  • Broad St. Station
  • Bromley Lace Mill
  • Brown Brothers and Company
  • Brown Instrument Company
  • Browning, King, and Company B’Lding
  • Brush Electric Light Company
  • Bryant School
  • Buckhorn Portland Cement Company
  • Budd Company
  • Buick Manufacturing Division
  • Bulletin Building
  • Bustleton Elementary
  • Butler
  • Byberry State Mental Hospital
  • C C Harrison Building
  • C F Simonins and Sons
  • C H Maslin and Sons
  • C. E. Monday and Company
  • C. Schmidt and Sons Brewing Company
  • C.A. Spalding
  • C.C. Knight and Company’s Building
  • C.H. Geist Company
  • C.H. Wheller Manufacturing. Company
  • Caledonian Dye Works
  • Cambria Steel Company
  • Camden Copper Works
  • Camden Fibre Mills
  • Campbell Soup Company
  • Carey Brothers Wall Paper Manufacturing Company
  • Carpenters Local 2850
  • Carpenters Union – Local 1462
  • Catalytic Incorporated
  • Celotex
  • Central High School Ogontz & Olney Avenues
  • Certainteed Products Company
  • Champion Constn Company
  • Charles Lenning and Company, Inc.
  • Charles Lenning, Tacony Chemical Works
  • Chas. E Langcake
  • Chas. E. Johnson and Company
  • Chas. E. Monday and Company
  • Chas. H. Caspar For Class and Nachod Bwg. Company
  • Chas. T. Schoen
  • Chelten Supply House
  • Cherry River Paper Company
  • Chestnut Hill Hospital
  • Childrens Homeopathic Hospital
  • Children’s Hospital
  • Children’s Hospital
  • Children’s Reception Welfare
  • Chocura
  • Cities Service Oil Company
  • City Mill
  • City of Philadelphia – Dept. of Streets Sanitation
  • City of Philadelphia – Yard & Garage Office Building
  • Civic Center
  • Clearfield Bank
  • Cleveland Worsted Mills
  • Coke
  • Collieries Supply and Equipment Company
  • Colliery Supply and Equipment
  • Columbia Plumbing Supply House
  • Columbian Carbon Company
  • Commerce Square
  • Commerce St. Building
  • Commercial Alcohol
  • Commonwealth Title Insurance and Trust Company
  • Connelly Containers
  • Connelly Paper Company
  • Conrail
  • Conshohocken Worsted Mills Company
  • Consolidated Rail Corporation
  • Container Corporation of America
  • Continental Distilling Company
  • Continental Mills Inc
  • Convention Center
  • Corn and Corn
  • Cramp School
  • Cramps Shipbuilding Company
  • Crescent Iron
  • Croft and Allen Company
  • Cross Brothers Meat Packing
  • Crown Cork & Seal
  • Crown Paperboard Company
  • Crown Products
  • Crown, Cork and Seal
  • Csx
  • Cudahy Packing Company
  • Curtis Publishing Company
  • D B Fuller
  • D Oher Engr. Company
  • Daniel J. Keating
  • Darlington Building
  • De Witt P Henry Company
  • Defense Plant Corp
  • Defense Supply Agency
  • Delancy School
  • Delaware Alloy Forge
  • Delaware River Cordage Mill
  • Delaware Station
  • Delaware Storage and Freezing Company
  • Delaware Waterside Station
  • Delta Equipment Company
  • Department of Safety
  • Deval Corporation
  • Dewitt P. Henry Company
  • Dill and Collins Company
  • Dl Molden and Bro.
  • Dodge Steel Company
  • D’Olier Engineering Company
  • Domino Sugar Refinery
  • Donahue & Weber Construction Company
  • Donovan Cement
  • Donovan Company
  • Dougherty Bachran
  • Doyle and Company
  • Doylestown and Willow Grove Railway Company
  • Dr W A Drysdale
  • Drake Hotel
  • Dravo Corp
  • Drexel Institute
  • Drexel University
  • Dupont Chemical
  • Dupont De Nemours Company Ei
  • Durham Public School
  • E Bergendahl
  • E C Knight and Company
  • E J Lavino and Company
  • E L Rothschild Building
  • E. B. Leaf Company
  • E. F. Houghton and Company
  • E. I. Dupont Denemours & Company
  • E. T. Stotesbury Residence
  • E.I. Du Pont De Nemours & Company
  • Earbeu Harding and Company
  • Eastern Asphalt Company
  • Eastern Hydraulic Press Brick Company
  • Eastern Penn Psychiatric Inst
  • Eaton Corporation
  • Edison Electric Light Company
  • Edw. Harrington Son and Company
  • Edward Fay and Son
  • Edward G. Budd Manufacturing Company
  • Einstein Medical Center
  • Electric Company of America Land Title Building
  • Electric Storage Battery Company
  • Electric Traction Company
  • Electricians Union – Local 98 (I.B.E.W.)
  • Ellwood Elementary
  • Empire Mills
  • Enterprise Galvanizing
  • Episcopal Hospital
  • Equitable Ill Gas Light Company
  • Erben, Harding and Company
  • Erwin Plumbing
  • Est of James Lord Jr.
  • Estate of Stephen Greene
  • Estate of Wm. Weightman
  • Eureka Limestone
  • Evans Memorial
  • Exchange Building
  • Exelon Generation Company
  • Exide Battery Company
  • F A Poth and Sons
  • F A Poth Brewing Company
  • F C Roberts and Company Engineers
  • F W Tunnell Glue Manufacturing
  • F. C. Roberts and Company
  • F.G. Vogt and Sons
  • F.W Darlington C.E.
  • Fairhill Apartments
  • Fairmoint Wooster Mills
  • Fairmount Construction Company
  • Fairmount Park Commission
  • Fairmount Park Transportation Company
  • Fayette R. Plumb Company
  • Federal Container Company
  • Federal Office Building
  • Feita Corporation
  • Felins Meat Packing
  • Fels & Company
  • Fels Naptha Soap Company
  • Fels Soap Company
  • Fiancisco Sugar Company
  • Fidelity Bank Building
  • Fidelity Insurance Trust and Safe Deposit Company
  • Fidelity Mutual Life Association
  • Fidelity Mutual Life Insurance Company
  • Fire Department Repair Shop
  • Firestone Rubber Company
  • First Pennsylvania Banking & Trust
  • Fitzsimmons Junior High School
  • Fleischer Mills
  • Folwell Bros. & John Bromley Sons
  • Food Distribution Center
  • Food Fair Stores
  • For Scrap
  • Forrest Laundry
  • Fort Mifflin
  • Fox Run Apartments
  • Francis Brothers and Jellett Inc.
  • Francisco Sugar Company
  • Frank & Sedar Dept. Store
  • Frankford Arsenal Bureau of Ordinance
  • Frankford Hospital
  • Frankford Junction
  • Frankford Metal Treating
  • Frankfurt Plant
  • Franklin Mint
  • Franklin Motel
  • Franklin Smelting & Refining
  • Franklin Sugar Company
  • Franklin Sugar Refining Company
  • Frederick A. Poth
  • Freight Pitcalm Pittsburgh
  • Freihofer Baking Company
  • Freihofer Vienna Baking Company
  • G W Childs Public Ledger Building
  • G. Garrett & Sons
  • G. W. Blabon Company
  • G.K. Garrett Company
  • Gaf Corporation
  • Gair Box
  • Garrick Theatre
  • Gen Engineering Works Inc
  • Gen Smelting & Ref Company
  • General Dynamics Corp
  • General Electric Company
  • General Engineering Works
  • General Refr Corp
  • General Smelting & Refining
  • General Textile Mills
  • Gene’s Garage
  • Geo A Smith and Company
  • Geo K Garrett Company Inc
  • Geo M Newhall Eng and Company
  • Geo. F. Uber Company
  • Geo. M. Newhall Engineering Company
  • Geo. S. Harris and Sons
  • George A. Fuller Contracting Company
  • George K Garrett Company Inc M
  • George Sall Metals Company
  • Gerard Trust Building
  • German Hospital
  • Germantown District High School
  • Germantown Hospital
  • Germantown Jct
  • Germantown Jewish Center
  • Germantown Ymca
  • Gibson and Sons, Ins.
  • Gimbels Store
  • Girard College
  • Girard Estate Peoples Bank
  • Girard Gollege
  • Girard Point Lpg Recv & Caustic Reg
  • Girard Refinery
  • Girard Trust Company
  • Girls Normal School
  • Girrard College
  • Glen Willow Ice Manufacturing Company Manayunk
  • Globe Automatic Sprinkler System
  • Globe Dye Works Company
  • Globe Eye Works
  • Globe Rubber Company
  • Glp Company
  • Goldsmith Building
  • Goldsteins & Sons Inc
  • Gordon Strobel and Lawreau
  • Gratz & Gillespie School
  • Grays Ferry Cogeneration Part
  • Grays Ferry Road and Carpenter St.
  • Green Spring Company
  • Greyhound Bus Terminal
  • Grocer’s Sugar House
  • Grover Cleveland Public School
  • Gulf Oil Corporation
  • Gulf Refinery
  • Gulf Refining Company
  • Gun Plant
  • Gw Allen and Company
  • H K Cummings
  • H. Daroff and Sons
  • H. W. Butterworth and Sons
  • H.C. Price Company
  • H.D. Justi Division
  • H.K. Crimming Tradesman Grain Elevator and Storage Company
  • H.L. Edwards and Company
  • Hafleigh and Company
  • Hahnemann Hospital
  • Hajoca Building
  • Hale Building
  • Hall and Garrison
  • Hardesty Industries
  • Hardware & Industrial Tool
  • Hardwick and Magee Company
  • Harrisburg Station
  • Harrison Brothers
  • Harrison Building
  • Harrison Frazier and Company
  • Harrison, Havemeyer and Company Franklin Refinery
  • Harshaw, Fuller, and Goodwin
  • Heintz Div of Kelsey Hayes Company
  • Heintz Manufacturing Company
  • Helfenstein, Lewis and Green
  • Henderson Sugar Refinery
  • Hercules Powder Company
  • Herman Goldner Company
  • Heston High School
  • Hestonville Mantua and Fairmount Passenger RailroadCompany
  • Hog Island Shipyard
  • Holiday Inn
  • Holy Redeemer Hospital
  • Hood, Bonbright and Company
  • Hopkinson House Apartments
  • Hotel Lafayette
  • House of Correction
  • House of The Good Shepherd
  • Howard Reed
  • Hughes and Paterson
  • Hunting Park Plant
  • Hutchinson St Station
  • Hv Charles Company
  • Hydro-Blast Corporation
  • Hygeia Ice Company
  • Hygrade Food Products
  • Hygrade Foods
  • Hyman Brodsky & Son
  • I.T.E. Circuit Breaker Company
  • IBM Building
  • Immaculate Conception Cathedral
  • Imperial Type Metals
  • Independence Hall
  • Independent Manufacturing Company
  • Industrial Air Conditioning
  • Industrial Cold Storage and Warehouse Company
  • Industrial Valley Bank
  • Inland Container Corp
  • Inolex Chemical
  • Interstate Railways Company
  • Ironworkers Union
  • IRS Building
  • Isbrill and Company
  • Isimbel Brothers Stable
  • Ite Circuit Breaker Company
  • Ivb Building
  • J and W Yewdall
  • J B Kelly Construction
  • J C Graham and Company
  • J C Klauder
  • J C. Grover & Sons
  • J D Grover & Sons
  • J E Potter and Company
  • J H Michener and Company
  • J K Wright and Company
  • J Mundell and Company
  • J. F. Betz and Sons
  • J. G. Brill and Company
  • J.A. Dougherty’s Sons
  • J.B. Lippincott Building
  • J.C. Klauder Estate
  • J.D. Morrissey Inc.
  • J.F. Betz and Son
  • J.F. Buchanan and Company
  • J.G. Brill Company
  • J.J. De Kinder
  • J.T. Bennett Company
  • J.W. Ivory Company
  • James C Morrissey
  • James Martin and Company
  • James P Wood Heating Company
  • Janney Cylinder
  • Jb Ellison and Sons
  • Jefferson Hospital
  • Jefferson Medical College
  • Jenny Cylinder
  • Jesse W Starr Jr.
  • Jetronic Industries
  • Jewish Home For The Aged
  • Jewish Hospital
  • Jno A Rigg
  • Joel J Bailey and Company
  • John B. Kelly Construction
  • John B. Stetson Company
  • John Bartram Senior High School
  • John Bistelson Company
  • John Bromley and Sons
  • John Brown’s Sons
  • John Cohen Clothes
  • John Lang Paper Company
  • John Moffet Elementary School
  • John Mundell and Company
  • John Potero Company
  • John Wanamaker Department Store
  • John Yewdall Keystone Mills
  • John Zimmermann and Sons
  • John-David Company
  • Jonathan Ring and Son
  • Jones & Laughlin Steel
  • Jones Junior High School
  • Joseph R. Foster Sons
  • Js and T Elkinton
  • Justi Division W. Gold Ref.
  • Kane School
  • Keasbey and Mattison
  • Keebler Biscuits Company
  • Keenan Company
  • Kelly and Ludwig
  • Keystone Construction Company
  • Keystone Drydock
  • Kibbe, Chaffie and Company
  • Kingan and Company Ltd.
  • Knoblit – Richmond Street
  • Kolnile Brewing Company
  • Koppers
  • Korvettes Shopping Center
  • L & R Construction
  • L Winteres
  • L. Goldstein’s Sons Inc.
  • L. Winterer
  • L.A. Riley and Company
  • L.H. Parke Company
  • L.Laveson and Son
  • La Brum School
  • Laddie Boy Dog Food Compan
  • Lafayette Hotel
  • Land Title and Trust Company
  • Lankenau Hospital
  • Lavino Shipping Company
  • League Island
  • Leamy Home Mount Airy
  • Leeds & Northrup
  • Lehigh and Wilkes Barre Coal Company
  • Lehigh Coal and Navigation Company
  • Lehigh Manufacturing Company
  • Lehigh Material Company
  • Lehigh Valley Coal Company
  • Lehigh Wilkes Barr Coal Company
  • Leidy School
  • Leston Company
  • Lewis Elkin Elementary
  • Lewis S. Cox and Company
  • Liberty Bell Race Track
  • Liggett and Myers Tobacco Company
  • Lincoln Liberty Building
  • Lindner Shoe Company
  • Link Belt Engineering Company
  • Liquid Carbonic Corp
  • Long Publishing Company
  • Longshoremans Union – Local 1291
  • Longstreth Elementary School
  • Loos & Dilworth
  • Lorenz & Sons
  • Lorenz Heat Treating
  • Louis B. Orlowitz Plumbing Supply
  • Lovekin Trageser Div
  • Lovekin Water Heater Company
  • Ludlow Elementary School
  • Lupton Manufacturing Company
  • M and W H Nixon Paper Company
  • M. L. Bayard and Company
  • M. Schnoll & Sons
  • Machold and Riddell
  • Mack Warehouse
  • Majestic Apartment House
  • Mall Office Building
  • Manayunk
  • Manganese Steel Forge Company
  • Marcal Paper Mills, Inc
  • Marietta Metal Products Corporation
  • Marks Brothers
  • Marshall Brothers and Company
  • Martin and W H Nixon
  • Martin Luther King Junior School
  • Maryland Steel Company
  • Masland Duraleather Company
  • Masonry Construction Company
  • Max and Levy Building
  • Max Brockton Textile Company
  • Mc Claskey & Company
  • Mc Cullough Iron Company
  • Mc Daniel and Harvey
  • Mcardle & Cooney Inc.
  • Mccahan Sugar Refining and Molasses Company
  • Mccloskey Construction
  • Mccloskey Varnish Company
  • Mccracken Stark and Company
  • Mckean, Newhall and Borie
  • Mclaughlin Brothers
  • Mclean Newhall and Borie
  • Medical College of Pennsylvania School
  • Medium Voltage Swgr. Department
  • Mens House of Detention
  • Men’s House of Detention
  • Mercy Douglas Hospital
  • Metropolitan Edison Company
  • Metropolitan Hospital
  • Michael Flynn Manufacturing
  • Miduale-Heppenstahl
  • Midvale Company
  • Midvale Heppenstall Company
  • Midvale Steel and Ordnance Col
  • Midvale Steel Company
  • Midvalley Coal Company
  • Millbourne Mills
  • Mine Safety Appliance Company
  • Minnepolis Honeywell Reg. Company
  • Mira Bell, Inc.
  • Mitchell, Fletcher and Company
  • Mobil
  • Mobil Oil Company
  • Moe & Company A
  • Moe A & Company
  • Mohawk Valley Brewing Company
  • Monsanto Chemical Company
  • Monsey Products Company
  • Moore College of Art
  • Morganthaler Brothers
  • Morgenthaler Ice Manufacturing Company
  • Moro Phillips
  • Morrell Felin Meat Packers
  • Morris School
  • Moss Rehabilitation Hospital
  • Mother of Divine Grace
  • Mount Morich
  • Mount Sinai Hospital
  • Mount St. Joseph Academy
  • Mrs Paul’s Frozen Foods
  • Muhlenberg High School
  • Municipal Hospital
  • Municipal Services Building
  • Mutual Chemical Div of Allied Chemical and Dye
  • Mutual Rendering Company
  • N and G Taylor Company
  • N R S Yewdall
  • N. Snellenburg and Company
  • Nabisco
  • National Airoil Burner Company
  • National Biscuit Company
  • National Crucible Company
  • National Heat & Power
  • National Lead Company
  • National Molasses
  • National Sugar Refinery Company
  • National Tube Company
  • Naval Air Station
  • Naval Aviation Supply Depot
  • Naval Dry Dock
  • Naval Ship Engineering Center
  • Naval Supply Depot
  • Navy Yard Dry Dock
  • Nazareth Hospital
  • Neatsfoot Oil Refineries
  • Nelson Valve Company
  • Nesbitt Manufacturing Company
  • New Federal Office Building
  • New Jersey Mills
  • New River Rocahontas Consolidated Coal Company
  • New York Philadelphia and Norfolk Railway Company
  • New York Shipbuilding Company
  • Newman & Company Inc
  • Nice Ball Bearing Company
  • Nicetown Station
  • Nicholson File Company
  • Niles Bement Pond Company
  • Niles Building
  • Noah Barlow
  • North American Lace Company
  • North Brothers Manufacturing Company
  • North Reserve Basin
  • Nutrition Products
  • O.F. Zurn
  • Oak Summit Apts
  • O’Brien Machinery Company
  • Ocean Coal Company
  • Olney High School
  • Onderdonk Heating and Ventilating Company
  • Orinoka Mills
  • Oscar Meyer Meats
  • Overbroock Steam Heat Company
  • Owens-Corning Fiberglas Corporation
  • P G H Steamline
  • P. J. Ritter Company
  • P.H. Berman & Sons
  • Pa Forge Div of Chertron Corp
  • Pa. Institute For The Instruction of The Blind
  • Paper Manufacturers
  • Peckerman Company
  • Peco Delaware Station Powerhouse
  • Peerless Dye Company
  • Pencoyd Iron Works
  • Penn Bradford Company
  • Penn Center
  • Penn Fishing
  • Penn Manufacturing Light Ht. and Power Company
  • Penn Range Company
  • Penn Treaty American Corporation
  • Penn Treaty Overall
  • Penn. Steel Company
  • Penna Gen’L Imp. Company
  • Penna Hospital
  • Penna Railroad Company
  • Penna. Manufacturing Light and Power Company
  • Penna. State Hospital
  • Penn-Bradford Appl.
  • Pennsalt Chemical Company
  • Pennsylvania Academy of Fine Arts
  • Pennsylvania Central Railroad
  • Pennsylvania Fruit
  • Pennsylvania Hospital
  • Pennsylvania Mutual Building
  • Pennsylvania Mutual Insurance Company
  • Pennsylvania Railroad Company
  • Pennsylvania Railroad Office
  • Pennsylvania Range Boiler
  • Pennsylvania Smelting & Refining Company
  • Pennsylvania Steel Company
  • Pennsylvania Sugar Company
  • People Traction Company
  • Peoples Construction
  • Pep Boys
  • Perlstein Glass Company
  • Pgw
  • Phiadelphia Exposition
  • Phil Ellena and Chew Sts.
  • Philada and Reading Railway
  • Philada Rapid Transit Company
  • Philadelphia and Reading Subway
  • Philadelphia Aquatic Club
  • Philadelphia Bank Building
  • Philadelphia Board of Education
  • Philadelphia Brewing Company
  • Philadelphia Burner Serv
  • Philadelphia City Hall
  • Philadelphia Coke Company
  • Philadelphia College of Pharmacy
  • Philadelphia Convention Hall
  • Philadelphia County Prison
  • Philadelphia Dry Yeast
  • Philadelphia Dye Works
  • Philadelphia Electric Company
  • Philadelphia Electric Plant
  • Philadelphia Electric Powerhouse
  • Philadelphia Engineering Company
  • Philadelphia Fire Department
  • Philadelphia Forge Company
  • Philadelphia Gas & Electric
  • Philadelphia Gas Works Company
  • Philadelphia General Hospital
  • Philadelphia Greyhound Terminal
  • Philadelphia Group
  • Philadelphia Hospital For Insane
  • Philadelphia Housing Authority
  • Philadelphia Incinerator
  • Philadelphia Inquirer
  • Philadelphia International Airport
  • Philadelphia Ironworks
  • Philadelphia Museum
  • Philadelphia Naval Shipyard (Navy Yard)
  • Philadelphia Psychiatric Hospital
  • Philadelphia Public Library
  • Philadelphia Quartz Company
  • Philadelphia Rapid Transit Company
  • Philadelphia Resin Company
  • Philadelphia Roll & Machine
  • Philadelphia Rust
  • Philadelphia School District
  • Philadelphia St Hospital
  • Philadelphia Steam Heating Company
  • Philadelphia Tapestry Mills
  • Philadelphia Traction Company
  • Philadelphia Zoo
  • Philadelphila Traction Company
  • Philadelpia Electric Company
  • Philadelpia Inquirer Garage
  • Phillip Carey Manufacturing Company
  • Physicians and Dentist Building
  • Pickett Middle School
  • Pilot Plant Division
  • Pittsburg Plate Glass Company
  • Plaza Apartments
  • Plumb Fayette R Inc
  • Point Breeze Gas Works
  • Point Breeze Refinery
  • Pollock School
  • Porter Company H K
  • Post Office
  • Potomac Water Treatment & Power Plant
  • Potter Sons and Company
  • Powelton Electric Company
  • Powelton Gardens
  • Powers Weightman Rosengarten Company
  • Precision Grinding Company
  • Precision Grinding Wheel
  • Presbyterian Home For Widows and Single Women
  • Presbyterian Hospital
  • Price H C & Company
  • Progressive Manufacturing Company
  • Pubicker Industries
  • Public Ledger Building
  • Public School
  • Public Service Corp of Nj
  • Public Service Gas Company
  • Publicker Industries, Inc.
  • Publickers Distillery
  • Publiker Industries
  • Quaker Boiler Repairing Company
  • Quaker City Chocolate Company
  • Quaker City Dye Works
  • Quaker Export Packaging Company, Inc.
  • Quickway Inc
  • R D Wood
  • R Hecksher and Sons
  • R.C. Remmey Division
  • R.D. Wood Building
  • Reading Railroad Company
  • Real Estate Trust Company
  • Real Estate Trust Office Building
  • Red Lion Plant
  • Reed Electric Company
  • Reichard-Coulston Inc.
  • Reider Brothers
  • Reigner and Engle Brewing Company
  • Remmey Refractories
  • Remmy Division A P Green
  • Richardson Paint Company
  • Richmond Power Plant
  • Richmond Station
  • Richmond Works
  • Rico Realty Company
  • Riggs Distler
  • Rilet Stocker Corporation
  • Rittenhouse Apartments
  • Rittenhouse Plaza
  • Ritz Carlton Hotel
  • Riverview Home For The Aged
  • Robert H Foerderer
  • Robert Smith Ale Brewing Company
  • Robinson and Wallace
  • Rohm & Haas Chemical Company
  • Rohm and Haas Company
  • Rohm Antl Baas Company
  • Rorborough Chestnut Hill and Morristown Railway Company
  • Roxborough Hospital
  • Russian American ManufacturingCompany
  • S Faith Company
  • S M S Automotive
  • S. Faith and Company
  • S.F. Whitman Son
  • S.K.F. Industries
  • Saint Agnes Hospital
  • Saint Paul’s Church
  • Sall Geo Metals Company
  • Samaritan Hospital
  • Savage Arms Corporation
  • Schaeffer Brewery
  • Scheie Eye Hospital
  • School District of Philadelphia
  • Schulylkill Station
  • Schutte and Koerting Company
  • Schuylkill Arsenal Property
  • Schuylkill Forge Company
  • Schuylkill Station
  • Schuylkill Station
  • Schuylkill Valley Trac Company
  • Scofield Engineering Company
  • Scofield, Mason and Company
  • Scott Paper Company
  • Sealtest Foods
  • Sears, Roebuck and Company
  • Senior High School Building
  • Septa
  • Sewage Disposal Plant
  • Sfk Industries, Inc.
  • Shallcross School
  • Sharpless and Sons
  • Sheetmetal Workers Union – Local 19
  • Shelbe and Fisher
  • Shipyard Philadelphia
  • Shwartz Paper Mill
  • Simon Gratz High School
  • Simonds Abrasive
  • Simonim Oil Company
  • Sinclair Refining Company
  • Sisters of The Good Shepherd
  • Skf Ball Bearing
  • Skf Industries
  • Smith Brothers Iron Works
  • Smith Kline & French
  • Snellenburg Building
  • Social Security Building
  • Solis-Cohen
  • Somerset Mills
  • South Philadelphia High School
  • Southern Manual Training School
  • Southmark Mills Company
  • Southwark Foundry and Machine Company
  • Southwark Station
  • Spector Freight System
  • Spectrum
  • Spreckels Sugar Refining Company
  • St Clair County Gas and Electric Company
  • St. Hubert’s Convent
  • Staley Starch
  • Standard Ice Manufacturing Company,
  • Standard Oil Company
  • Standard Oil Tank
  • Standard Steel Works Company
  • Starr Stores Warehouse
  • Station “B” Works
  • Steele Elementary School
  • Stephen Girard Building
  • Stern and Silverman
  • Stevenson Terrace Apartments
  • Stone Container Corporation
  • Strawbridge & Clothier
  • Sugar Apparatus Manufacturing Company
  • Sulzberger Junior High
  • Summerdale Dye & Fin Inc
  • Summit Park Apartments
  • Sun Oil Company
  • Sun Refining & Marketing Company
  • Sun Shipbuilding and Drydock Company
  • Sunoco Inc Point Breeze
  • Sunoco Philadelphia
  • Superintendent U.S. Mint
  • Superior Thread & Yarn Company
  • Surpass Leather Company
  • Swing and Bateman
  • T.C. Roberts and Company
  • Talco Metals Company
  • Tasty Baking Company
  • Taws and Hartman
  • Temple Boiler
  • Temple Hospital
  • Temple University
  • Temple University Hospital
  • Tetzner Dyeing Company
  • Thalheimer Brothers Inc
  • The American Pulley Company
  • The Budd Company
  • Theater Workers Union – Local 8
  • Theodore E. Moser
  • Thomas Dolan and Company
  • Thomas Jaggers
  • Thomas Jefferson University Hospital
  • Thomas May Pierce School
  • Thomas Textile
  • Thompson Brothers
  • Thos Dolan and Company
  • Thos E Lutner
  • Thos. Wolstenholme Sons & Company
  • Thro’ American Gas and Electic Company
  • Thro.’ Chas. M’Caul Company
  • Tilden Junior High
  • Trade & Convention Center
  • Trailmobile Manufacturing Company
  • Tremont Laundry Company
  • Trent, Inc.
  • Tru Knit Industries
  • Turner and Serrel
  • Tyler School of Fine Art
  • U S Dept of Agriculture
  • U. S. Steel
  • U.G.I.Company
  • U.S. Government Suppy Depot
  • U.S. Post Office
  • Ugi Building
  • Union League Club
  • Union Paving Company
  • Union Traction Company
  • Uniroyal Rubber Company
  • United Container Corp
  • United Electric Company of America
  • United Gas Improvement Company
  • United States Mint
  • United States Naval Hospital
  • United Steel Barrell
  • Universal Dye Works
  • Universal Werehouse
  • University City High School
  • University Club
  • University of Pennsylvania
  • University of Pennsylvania Hospital
  • University of Pennsylvania Hyperbarric Test Complex
  • Us Army Supply Base
  • Us Courthouse
  • Us Electric Illuminating Company
  • Us Mint
  • Us Navy Yard
  • Us Post Office
  • V.L. Cavannas Company
  • Vandegrift Constn. Company
  • Vare Junior High School
  • Vernon Textile Company
  • Veterans Hospital
  • Veterans Stadium
  • Vick Manufacturing Division
  • Victor Barward Industries
  • Vtasty Baking Company Inc
  • Vulcanite Paving Company
  • W C Hamilton and Son
  • W G Pennypacker
  • W. H. Piper and Company
  • W. J. Mccahan Sug. Refining Company
  • W.C. Hamilton and Sons
  • W.J. Mccahan Sugar Refining and Molasses Company
  • W.M. Anderson
  • W.P.O Rr
  • Walker and Keplar
  • Wanamaker Garage
  • Warden Frew and Company
  • Wark Army Supply
  • Warner Company
  • Water Works Northeast
  • Water Works Southeast
  • Water Works Southwest
  • Weathercraft Insulation Company
  • Weatherspoong Building
  • Webster Coal and Coke Company
  • Webster Furnace
  • Weightman Building
  • Weightman Estate
  • Weinberg Louis and Marion
  • Wessell Hardware Corporation
  • West End Heating and Energy Company
  • West Park Hospital
  • West Philadelphia City High School
  • West Philadelphia Works
  • Western Metal Bed Company
  • Westinghouse Electric & Manufacturing Company
  • Westinghouse Electric Corporation
  • Wh Cars and Company
  • Whitman Chocolate
  • Widener Building
  • Wiegner Smelting Company
  • Wilbur Chocolate Company
  • William Armstrong & Sons
  • William Cramp and Sons
  • William Galloway
  • William J. Cramp Elementary
  • William Mann Company
  • William Weightman
  • Williamson Brothers Company
  • Wilputte Coke Oven
  • Wilson and Company Inc
  • Wilson Martin Company
  • Wishart Theatre
  • Wm Cramp and Sons Ship and Engine Building. Company
  • Wm F Forepaugh Jr and Bro.
  • Wm L. Sayre Jr High School
  • Wm Steele Sons Company
  • Wm Weightman
  • Wm Whitaker 7 Sons
  • Wm. Cramp and Sons
  • Wm. Penn High School
  • Wm. Weightman
  • Wm. Whitaker and Sons.
  • Wmmann Company
  • Wolf Building Company
  • Womens Christian Association
  • Womens Medical College
  • Women’s Medical College Hospital
  • Wright Brothers and Company
  • Wyeth Labs
  • Wyoming Ave and G St.
  • Yewdall and Jones Brothers
  • YMHA
  • Young Mens Christian Association.
  • Zabel Bros. Company Inc
  • Zinman Furs

 

Phoenixville

  • Borough of Phoenixville
  • Chas Lachman Company, Inc
  • Exelon Generation Company
  • Exelon Power
  • Mc Avey Brick Company
  • Peco Cromby Station Powerhouse
  • Philadelphia Electric Company
  • Philadelphia Protectory For Boys
  • Phoenix Iron Company
  • Phoenix Steel Corp
  • Phoenixville Hospital
  • Phoenixville Incinerator
  • Phoenixville Steel

Pittsburg

  • A and S. Wilson Company
  • A French Spring Company
  • A Garrison Foundry Company
  • A M Byers and Company
  • Acands, Inc.
  • Aiken Medical Building
  • Air Products, Inc.
  • Airforce Base
  • Alcoa Building
  • Alcoa Research Labs
  • Alequippa Steel Company
  • Alexander Plumbing Company
  • Aliquippa Steel Company
  • Alleghany Airport
  • Allegheney County Home For Destitute
  • Allegheny Airlines Terminal
  • Allegheny Company Steam Heating Company
  • Allegheny County Light Company
  • Allegheny County Steam Heating Company
  • Allegheny County Workhouse
  • Allegheny General Hospital
  • Allegheny Valley St Railway Company
  • Allegherry County Light Company
  • Alpha Portland Cement Company
  • Aluminum Company of America
  • Am Byers Company Inc
  • Amer Sheet and Tin Plate Company
  • Amer Sheet Steel Company
  • Amer Steel Hoop Company
  • America S. and W. Company
  • America Sheet Steel Company
  • America Sheet Tin Plate Company
  • America Steel and Wire Company
  • America Steel Hoop Company
  • America Water Works and Guarantee Company
  • American Bridge Company
  • American Bridge Shipyard
  • American Coke Company
  • American Radiator and Standard Sanitary Corp
  • American Sheet and Tin Plate Company
  • American Sheet Steel Company
  • American Steel and Wire Company
  • American Warming and Ventilating Company
  • American Water Works & Electric Company
  • American Water Works and Guarantee Company
  • Americn Steel and Wire Company
  • Annex Hotel Company
  • Anselm School
  • Antioch Building
  • Apollo Iron Steel Company
  • Arbuckle and Company
  • Armco
  • ARMCO. Inc.
  • Armstrong Brothers and Company
  • Armstrong Cork Company
  • Armstrong Inc
  • Asphalt Plant
  • Atec Building
  • Atlantic Baking Group
  • Atlantic Refining Company
  • Atomic Power Station
  • August Wagner Breweries Inc
  • B & W Main Tube Plant
  • Bailey High School
  • Baker, Smith and Company
  • Baltimore and Ohio Railroad Company
  • Bashland Chemical Company
  • Becks Run Station
  • Bell Telephone Company
  • Bellefield Boder Plant
  • Bellefield Hotel
  • Bessemer Coke Company
  • Bethel Senior High School
  • Bethlehem Steel Mill
  • Bindley Hardware Company
  • Bissell and Company
  • Blaw-Knox Company
  • Board of Education
  • Bollinger Brothers
  • Boston & Ohio Railroad
  • Braddock Hospital
  • Braddock Wire Company
  • Brown and Company Inc
  • Brunot’s Island Powerhouse
  • Bureau of Mines Building
  • Busx Corp
  • C B Comstock
  • C. H. Bradley and Company
  • C. Howard Mercy State Hospital
  • Cametoo Company
  • Canonsberg Iron and Steel Company
  • Carbon Steel Company
  • Carnegie Brothers and Company Lim.
  • Carnegie Institute of Technology
  • Carnegie Library Extension
  • Carnegie Mellon University
  • Carnegie Natural Gas Company
  • Carnegie Phipps and Company
  • Carnegie Sheet Company
  • Carnegie Steel Company
  • Carnegie Technical Schools
  • Carnegie-Illinois Steel Corporation
  • Carrie Furnace Company
  • Carson Industrial Development Corporation
  • Central Dist. and Printing Tel Company
  • Central Land Company
  • Central Power Plant
  • Chamberot Commerce Building
  • Charleroi Construction Company
  • Charleroi Plate Glass Company
  • Chartier Valley High School
  • Chartiers Valley School Dist
  • Chatham Center
  • Chicago Pneumatic Tool Company
  • Children’s Hospital
  • Christ M E Church
  • City of Pittsburgh Brilliant Pumping Station
  • City of Pittsburgh Mayview Plant
  • Civic Arena
  • Clarion Steel Works
  • Clinton G. Hodder
  • Clinton Iron and Steel Company
  • Coal and Coke By Products Company
  • Colonial Steel Company
  • Commercial Gazette Building
  • Commonwealth Trust Company
  • Conemaugh Station
  • Consolidated Gas Supply Corp
  • Consolidated Ice Company
  • Consolidated S. and W. Company
  • Consolidated Traction Company
  • Convent of Mercy
  • Corning Glass Plant
  • Coronada Apartments
  • Crane Supply Company
  • Crescent Forgings Company
  • Crescent Works
  • Crucible Steel Company of America
  • Curry H R Company Inc
  • D R Lane
  • Dally Engineering Valve C
  • Delaware and Magnetic Spgs. Railway Company
  • Demoin Steel
  • Department of The Interiro Bureau of Mines
  • Dequesna Light Company
  • Diamond Alkali Company
  • Diamond National Bank Building.
  • Dietz Trucking Company
  • Dilworth Porter and Company Ltd.
  • Dilworth Porter Company
  • Dispatch Publishing Company
  • Downtown Station
  • Dravo Contracting Company
  • Dravo Corp
  • Dravo Doyle Company
  • Dravo Shipbuilding
  • Duff Norton Manufacturing Company
  • Duguesna Light Company
  • Duquesne Brewing Company
  • Duquesne Forge Company
  • Duquesne Ice Company
  • Duquesne Light Company
  • Duquesne Station
  • E Liberty Home Dressed Meat Company
  • E M and W Ferguson
  • E.L. Weigland
  • E.N. Hyde Heating Company
  • East End Electric Light Company
  • East End Light Company
  • East Liberty Market
  • Edgar Thompson Works
  • Edgewater Steel Company
  • Eliza Furnace Plant
  • Elizabeth Steel Magee Hospital
  • Ellis School
  • Elrama Power Plant
  • Empire Building
  • Empire Reeves Steel Company
  • Engr Annex
  • Equipment Engineering Company
  • Equitable Gas Energy Company
  • Equitable Gas Steam Heating Company
  • Equitable Life Assurance Society
  • Es Magee Hospital
  • Esso Standard Oil Company
  • Estate of Henry W. Oliver
  • F Miller Spring & Manufacturing Company
  • F. R. Dravo and Company
  • F.F. Geisler and Company
  • Farmers Deposit National Bank Building
  • Federal Office Building
  • Ferrows Chemical Company
  • First National Bank Building
  • Follansbee Brothers Company
  • Ford Motor Company
  • Fort Pitt Hotel
  • Fort Pitt Hotel
  • Fort Pitt Supply Company
  • Four States Coal Coke Company
  • Frank Kneeland Machinery Company
  • Frick Building
  • Garland Brothers
  • Gateway Center Building
  • Gem Manufacturing Company
  • General Electric
  • General Motors Corporation
  • Gen’L Chem’L Company of Penna
  • Geo Westinghouse Jr.
  • Glenwood Station
  • Goodyear
  • Grant Station
  • Great Lakes Steel
  • Greater Pittsburgh Airport
  • Gulf Oil Corporation
  • Gulf Oil Corporation
  • Gulf Oil Refinery
  • Gulf Refining Company
  • Gulf Research & Development
  • H H Curry Company
  • H J Heinz and Company
  • H K Porter Company
  • H W Oliver’s Central Power Plant
  • H. C. Finch Coke Company
  • H. C. Trick Coke Company
  • H. H. Heinz Lab.
  • H. J. Heinz Company
  • H. Koppers Company
  • H. L. Frick Coke Company
  • H.H. Robertson Company
  • H.K. Horter and Company
  • H.K. Porter
  • Hainsworth Steel Company
  • Happenstall Company
  • Harbison Walker Refractories Company
  • Harbison-Walker Refractories Company
  • Harbson Walker Company
  • Harry Roman
  • Hays Army Depot
  • Hazelwood Byproducts
  • Hazelwood Plt
  • Heeren Brothers and Company
  • Heinz H J Company
  • Heinz U.S.A.
  • Heinz, H.J. Company
  • Henry Phipps Central Power Plant
  • Heppenstall Forge and Knife Company
  • Heppenstall of Pittsburgh
  • Herris Island
  • Herron Hill Pumping Station
  • Heyl and Patterson Inc
  • Highland Brewing Company
  • Hinckliffe Keener
  • Hk Porter Company
  • Homeopathic Hospital
  • Homestead Steel Works
  • Hope Natural Gas Company
  • Howe Brown and Company
  • Hubbard Tool Div
  • Hughes and Gauthorp Company
  • Hugus and Hacke
  • Hussey Building
  • Ibm Building
  • Illinois Steel Company
  • Illinois Zinc Company
  • Independent Brewing Company of Pittsburgh
  • Industrial Div. Warehouse
  • Ingersoll Rand Company
  • Inland Products
  • Iron City Heating Company
  • Iroquois Apartments
  • Island Petroleum Company
  • J W Arrott
  • J& L Steel Corp
  • J&L Specialty Steel
  • J. C. Mcdowell
  • James H. Reed Power Station
  • James Irwin and Company
  • James L. Stuart
  • James Reed Power Street
  • Jamison Coal and Coke Company
  • Jas. Bonar and Company
  • JNorth F. Wilcox
  • John Dimling
  • John J Kane Hospital
  • Johns-Manville
  • Jones & Laughlin Steel Corporation
  • Jones Laughlin Steel Corp
  • Joseph Horne and Company
  • Joseph S. Finch Company
  • Karl R.H. Knapp, Incorporated
  • Kaufman Building
  • Kaufmans Department Store
  • Kelly and Jones Company
  • Keystone Brewers Inc
  • Keystone Engineering Company
  • Kittanning Brick and Fire Clay Company
  • Koppers Company, Inc.
  • L H Prentice Company
  • Leader Publishing Company
  • Leopold Vilsack
  • Lewis Block
  • Lewis Foundry and Mach Company
  • Lexington Mead Corporation
  • Liberty Manufacturing Company
  • Liberty Market Company
  • Limbach Company
  • Linde Air Products Company
  • Liquid Carbonic Acid Manufacturing Company
  • Little Sisters of The Poor
  • Loose Wiles Biscuit Company
  • Ltv Steel
  • Lucy Furnaces
  • M & G Industrial
  • M Miller Spring & Manufacturing Company
  • M.H. Pickering
  • Mackintosh-Hemphill Company
  • Magee Womens Hospital
  • Maginn and Lewis
  • Mahoning Valley Iron Company
  • Manchester Station
  • Marquette Cement Manufacturing. Company
  • Marshall Kennedy Company
  • Mc Conway & Turley Corp
  • Mcconway & Torley Corp
  • Mcconway and Forley Company
  • Mcgraw Edison Company
  • Mcguinnes Company
  • Mellon Bank Old Us Building
  • Mercy Hospital
  • Mesta Machine Company
  • Michigan Chemical Company
  • Midland-Ross Corp
  • Mine Safety Appliance Company
  • Minotte Brothers Company
  • Mobay Chemical Company
  • Monongahela Connecting Railroad Company
  • Monongahela Incline Plane Company
  • Monongahela Light and Power Company
  • Monongahela Natural Gas Company
  • Monongahela River Cons. Coal and Coke Company
  • Monongahela St. Railway Company
  • Monongalia & Ohio Dredging Company
  • Montefoire Hospital
  • Moorehead Brothers and Company
  • National Biscuit Company
  • National Biscuit Plant
  • National Casket Company Inc
  • National Galvanizing Company
  • National Lead Company
  • National Mining Company
  • National Steel Company
  • National Supply
  • National Tube Company
  • Neville Chemical Company
  • Neville Island Coke & Chemical
  • Neville St. Apartments
  • New Castle Station
  • New Duquesne Science Hall
  • New Federal Building
  • New York Wilkins Company Engs.
  • Nickel Plumbing & Heating
  • Nixon Theatre
  • North American Construction Company
  • North Cambia St. Railway Company
  • North Side Packing Company
  • Northview Heights Elementary School
  • Northview Housing
  • Nuttal Works
  • Of America Park Workers
  • Ohio and Pittsburgh Milk Company
  • Old Fourth Ward School
  • Old Meadow Works
  • Oliver and Roberts Wire Company
  • Oliver and Snyder Steel Company
  • Oliver Building
  • Oliver Iron & Steel Company
  • Oliver Iron Mining Company
  • Oliver Iron Steel Company
  • Oliver Wire Company Ltd
  • Olson Engineering
  • Otis Steel Company
  • P and L. E. Railroad
  • P. C. C. St. L. Railway Company
  • P. Mcgraw Wool Company
  • P.F. Magin and Company
  • P.P.G. Industries
  • Papercraft Plant
  • Park Steel Works
  • Parkersburg Iron and Steel Company
  • Passavant Hospital
  • Pearson Manufacturing Company Inc
  • Penn Mo Firebrick Company
  • Penn Township Junior High School
  • Pennsylvania Chocolate Company
  • Pennsylvania Gen’L Electric Company
  • Pennsylvania Lubricating Company
  • Pennsylvania Malleable Company
  • Pennsylvania Power & Light
  • Pennsylvania Railroad Company
  • Pennsylvania State Park
  • Pennsylvania Tube Company
  • Peoples Bank Building
  • Peoples Land Company
  • Peoples Savings & Trust Building
  • Peter F. Loftus
  • Philadelphia Company of Pittsburg
  • Phoenix Glass Company
  • Pilot Plant
  • Pitt Comm Heat Treating
  • Pitts Coal Company
  • Pitts. Coal Aspen M Miller
  • Pittsburg Steel Foundry
  • Pittsburgh Activated Carbon Company
  • Pittsburgh Airport
  • Pittsburgh and Birmingham Traction Company
  • Pittsburgh and Birmungham Traction Company
  • Pittsburgh and Lake Erie Railroad Company
  • Pittsburgh and Westend Pars. Railway Company
  • Pittsburgh Athletic Association
  • Pittsburgh Brewing Company
  • Pittsburgh Buffalo Company
  • Pittsburgh Coal Company
  • Pittsburgh Coke & Iron Company
  • Pittsburgh Conneaut Dock Company
  • Pittsburgh Forge and Iron Company
  • Pittsburgh Gas and Coke Company
  • Pittsburgh Gear Company
  • Pittsburgh Housing Authority Terrace Village
  • Pittsburgh Iron and Steel Engineering Company
  • Pittsburgh Lake Erie Rr Depot
  • Pittsburgh McKeesport and Connellsville Railroad
  • Pittsburgh Mechanical Systems Inc
  • Pittsburgh Metal Process
  • Pittsburgh Milling Company
  • Pittsburgh Plate Glass Company
  • Pittsburgh Powerhouse
  • Pittsburgh Press
  • Pittsburgh Provision and Packing Company
  • Pittsburgh Railways
  • Pittsburgh Reduction Company
  • Pittsburgh Screw & Bolt Company
  • Pittsburgh Shear Knife and Machine Company
  • Pittsburgh Steamship Company
  • Pittsburgh Steel Casting Company
  • Pittsburgh Steel Foundry
  • Pittsburgh Terminal Warehouse and Transfer Company
  • Pittsburgh Thermal
  • Pittsburgh Thermal Ltd Partnership
  • Pittsburgh University
  • Pittsburgh Valve and Fitting Company
  • Pittsburgh Wire Company
  • Pittsburgh Works
  • Plant Asbestos Company
  • Pnb Building
  • Pope Tin Plate Company
  • Porter Building
  • Pressed Steel Car Company
  • Purchasing Department
  • R.B. Murray Oakland Arcade Company
  • Railway Spring and Manufacturing Company
  • Rankin Station
  • Reiners
  • Reisinger Prather Company
  • Rennepamp Supply Company
  • Republic Iron and Steel Company
  • Republic Iron Works
  • Rieck Mcjunkin Dairy Company
  • Riter Conley Manufacturing Company
  • Rittman Process Corp
  • Robinson and Rea Manufacturing Company
  • Roosevelt Hotel
  • Rosedale Foundry and Mach Company
  • Rossiter Mc Govern Company
  • Russian American Manufacturing Company
  • S S Marvin Branch
  • S. Ewart and Company
  • Salk Hall University of Pittsburgh
  • Schoen Steel Wheel Company
  • Sears
  • Second National Bank
  • Shanago Steel
  • Sharon Coke Company
  • Sharon Steel Hoop Company
  • Shellby Steel Tube Company
  • Shenango Inc.
  • Shoenberger Steel Company
  • Shoenberger Works
  • Shook Anderson Manufacturing Company
  • Shuanberger Steel Company
  • Singer Nirmick Plant
  • Smithfield St Terminal
  • South Hills High School
  • South Pittsburgh Water Works
  • South Ride
  • South Side Plant
  • Southern Natural Gas Company
  • Southern Traction Company
  • Southside Works
  • Spang Chalfant and Company Inc.
  • Spang Steel and Iron Company
  • St Francis Hospital
  • St Margaret’s Hospital
  • St. Bernard’s Roman Catholic Church
  • St. Francis Hospital
  • St. James Activity Building
  • St. John’s General Hospital
  • St. Louis Plate Glass Company
  • St. Margaret Hospital
  • St.Nicholas Building
  • Standard Floor Company
  • Standard Life Insurance Blding
  • Standard Steel Car Company
  • Standard Underground Cable Company
  • Stanwix Heating Plant
  • Star Fire Brick Company
  • Straub Brewing
  • Suburban Rapid Trans. Lt Railway Company
  • Sunoco Pennsylvania
  • Swindell-Dressler Company
  • Tate Jones and Company Inc.
  • Tech Food Products Company
  • Thompson & Sons
  • Truck Station 70
  • Turtle Creek Valley Water Company
  • Tyson Metal Products
  • U S Steel Corp
  • U. S. Army Reserve Center
  • U. S. Bureau of Mines
  • U. S. Steel Chemical Plant
  • U.S. Army Reserve
  • U.S. Hoffman Machinery Corporation
  • U.S. Steel Corporation
  • Union Electric Company
  • Union Ice Company
  • Union Spring Manufacturing Company
  • Union Station
  • Union Steel Casting
  • Union Steel Company
  • Unit Rail Anchor Corp
  • United Engine and Foundry Company
  • United Engineering & Foundry Company
  • United Fraction Company
  • United States Aluminum of America
  • United States Coal and Coke Company
  • United States Department of Commerce Bureau of Mines Exp. Stn.
  • United States Steel Corporation
  • United Traction Company
  • Universal Cyclops Corp
  • University of Pittsburgh
  • University Square Condominiums
  • USX Corporation
  • USX Irving Works
  • USX Steel Mill
  • Vesta Coal Company
  • Vesuvios Crucible Company
  • Vesuvius Crucible Company
  • Veterans Administration Hospital
  • W Devees Wood Company
  • W W Darley
  • W. G. Balph Company
  • W.G. Wilkins Company
  • Wabash Pitts Railroad Powerhouse
  • Wabash Pittsburgh Terml
  • Water Works Constr. Company
  • Wayne Iron Works
  • Weeks Brothers
  • West Penn Hospital
  • West Penn Power Company
  • West Pennsylvania Hospital
  • West. Virginia Plate Glass Company
  • Western Penna Hospital
  • Western State Psychiatric Hospital
  • Westinghouse
  • Westinghouse Air Brake Company
  • Westinghouse Electric & Manufacturing Company
  • Westinghouse Electric Corp
  • Westinghouse General Electric and Manufacturing Company
  • Westinghouse Machine Company
  • Westinghouse-East
  • Wilkinsburg and East Pittsburg Railroad
  • William Penn Hotel
  • Wilson Snyder Cent. Pump Company
  • Winter Brewery
  • Wm Penn Hotel
  • Wm. Miller and Sons Company
  • Zug Iron and Steel Company

 

Pittston

  • Alpine Knitting Mills
  • Barnum Breaker
  • Barnum Coliery
  • Butler Colliery
  • Citizens Electric Ill Company
  • Clear Spring Coal Company
  • Ewen Breaker
  • Exeter Colliery
  • Exeter Machine Works
  • Exeter Power Company
  • Girard Coal Company
  • Hillside Coal and Iron Company
  • Je Patterson and Company
  • Jermyn and Company
  • Lehigh Valley Coal Company
  • Newton Coal Mining Company
  • Owens-Illinois Glass Company
  • Pennsylvania Coal Company
  • Scranton Electric Company

 

Plymouth

  • Consumers Light Company
  • D.L. and W. Railroad Company
  • Deleware, Lackawanna and Western Railroad Company
  • Dodson Mines Plymouth Coal Company
  • Gaylord Colliery
  • Glen Alden Coal Company
  • Lance Colliery 11
  • Lehigh Wilkesbarre Coal Company
  • Luzerne County Gas and Electric Company
  • Nottingham Colliery 15
  • Phillip Carey
  • Truesdale Colly

 

Plymouth Meeting

  • America Magnesia and Covering Company
  • Carey Manufacturing
  • Dorchester Apartments
  • E J Lavino and Company
  • Philip Cary Manufacturing Company
  • Willowbrook North 3

 

Port Kennedy

  • Asbestos and Magnesia Manufacturing Company
  • Combustion Engineering, Inc.
  • Ehret Magnesia Manufacturing Company
  • Montgomery Iron Company
  • Pittsburgh Plate Glass Company
  • Refractory & Insulation Corp

 

Portland

  • Metropolitan Edison Company
  • Metropolitan Edison Power Plant

 

Pottstown

  • A T & T
  • Bell Telephone
  • Berks Refining Company
  • Dohler – Jurvis Division
  • Firestone Plastics Plant
  • Firestone Tire & Rubber
  • Firestone Tire Company
  • Flagg, Stanley G. & Company
  • Glasgow Iron Company
  • Masonic Temple
  • McClintic Marshall Constr Company
  • Occidental Chemical
  • Pottsgrove School
  • Pottstown Hosp.
  • Pottstown Iron Company
  • Pottstown Plant
  • Robinson Clay Products Company
  • Spicer Manufacturing Company
  • Stanley G. Flagg and Company
  • Warwick Iron and Steel Company
  • Ymca

 

Punxsutawney

  • Anita Coal Mining Company
  • Cowanshannock C. and C. Company
  • Indiana County Railways Company
  • Jefferson and Clearfield Company
  • Punxsutawney Elementary School
  • Punxsutawney Secondary School
  • Rochester and Pittsburgh Coal and Iron Company

 

Quakertown

  • American Olean Tile
  • Borough of Quakertown
  • Quakertown Brick & Tile Company
  • Quakertown Electric Department
  • Quakertown Tractor Company
  • Rittenhouse C & Son
  • Tri State Non Ferrous Company
  • Victor Box Company
  • W. J. Lawlor

 

Rankin

  • American Steel and Wire Company
  • Braddock Wire Company
  • Carnegie Steel Company
  • Carnegie-Illinois Steel Corporation
  • Carrie Furnace Company
  • Consolidated S. and W. Company
  • Duquesne Forge Company
  • Duquesne Light Company
  • U.S. Steel
  • Wilkinson and E. Pittsburgh St. Railway Company

 

Reading

  • A T & T Company
  • A. Wilhelm Company
  • Acme Markets Warehouse
  • Albright College
  • American Chain & Cable
  • Beryllium Corporation
  • Bureau of Water Department of Parks and Public Property
  • Carpenter Steel Company
  • Colonial Berks Real Estate
  • Colonial Trust Company
  • Consumers Gas Company
  • Cooperative Power Plant
  • Dana Corporation
  • East Penn Refractories Company
  • Eastern Industrial Insulation
  • Eisenhower Apartments
  • Federal Paper Board Company Inc.
  • Frantz Heating & Roof Company
  • Georgia Pacific Pulp & Paper
  • Gilbert Associates, Inc.
  • Hendel Hat Company
  • Hopper Paper Company
  • House of Good Shepard
  • J H Sternbergh and Son
  • John A. Rigg
  • Karl Lieberknecht Inc.
  • Kawecki Chemical Company
  • L.J. Land Inc
  • Louis Kraemer and Company
  • Lucent Technologoes
  • Metropolitan Edison Company
  • Metropolitan Electric Company
  • Orr & Sembower Inc
  • Parish Div. Dana
  • Paul B. Hendel & Company
  • Penn Hardware Company
  • Penn Optical
  • Penna Hardward Company
  • Pennsylvania Railroad Company
  • Philada and Reading Railway
  • Philadelphia and Reading Railroad Company
  • Prestolite Battery
  • Reading Company
  • Reading Hospital
  • Reading Iron Company
  • Reading Iron Works
  • Reading Metals Refining Company
  • Reading Railroad
  • Reading Rehabilitation Hospital
  • Reading Shale Brick Company
  • Reading Transport
  • Reading Tube Corp
  • Reading Tube Division
  • Reading Water Works
  • Reading Whitehall Paperwork
  • Rockwell Industries
  • Sears Roebuck Store
  • St. Joseph’s Hospital
  • Temple Iron Company
  • Textile Machine Works
  • Titus Powerhouse
  • Us Army Reserve Center
  • W H Luden
  • W. J. Hollis
  • Western Electric Company Inc.
  • Willson Products Division
  • Wilson Safety Products
  • Zack Industries

 

Reesedale

  • West Penn Power Company

 

Roaring Springs

  • Appleton Papers Inc.
  • Dm Bare Paper Company

 

Rouseville

  • Calumet Lubricants Company
  • Pennzoil
  • Pennzoil Refining Company
  • S. Bern Ohio Company
  • South Penn Oil Company

 

Sayre

  • R.C.A. Building
  • Robert Packer Hospital
  • Sayre Electric Company

 

Scottdale

  • American Sheet and Tin Plate Company
  • C.L. Miller Company
  • Duraloy Company
  • Lincoln Coal and Coke Company
  • Scottdale Iron and Steel Company
  • Scottdale Wood Products Company
  • United States Pipe and Foundry Company

 

Scranton

  • Alamogordo Lumber Company
  • Allied Services Handicapped
  • Chamberlain Corporation
  • Chamberlain Steel
  • Charmin Paper Company
  • Combustion Engineering, Inc.
  • Community Central Energy Corp
  • D.L. and W. Railroad Company
  • Delaware and Hudson Company
  • Delaware, Lackawanna and Western Railroad Company
  • Diamond Mines
  • Dickson Mine Green Ridge Station
  • Dodge Mines
  • Dolph Coal Company
  • Eureka Specialty Company
  • G. E. Industrial Tube Plant
  • Geo. H. Walbridge Lackawanna Light Company
  • George Singleton
  • Glenalden Coal Company Maxwell Colliery
  • Green Ridge Coal Company
  • Hampton Boiler Plant
  • Hampton Mines
  • Hess Inc
  • Hudson Coal Company
  • Hyde Park Gas Company
  • Industrial Equipment Company
  • International Service Ind.
  • J/P/ Maloney
  • Jaunty Fabric Corp
  • Jaunty Silk Company Inc.
  • Kemmerer Iron and Steel Company
  • Lackanawa I and S Company
  • Lackawanna and Wyoming Valley Railway Company
  • Lackawanna Iron and Coal Company
  • Mary Wood College
  • Mcclair, Brooks and Company
  • Murray Body Company
  • Murray Corp
  • Old Forge Collieries
  • Penna Utilities Investment Corp
  • Pennsylvania Coal Company
  • Pennsylvania Power & Light Company
  • Peoples Coal Company
  • Peyna Power and Lgt. Company
  • Sauquoit Silk Company
  • Schmidt Lumber Millwork
  • Scranton Anthracite Briguette Company
  • Scranton Axle and Spring Company
  • Scranton Bolt and Nut Company
  • Scranton Electric Construction Company
  • Scranton Gas and Water Company
  • Scranton High School
  • Scranton Lace Company
  • Scranton Ordinance Division
  • Scranton Railway Company
  • Scranton Tech. High School
  • Seranton Lace Curtain Company
  • Simpson and Watkins
  • Sisters of The Good Shepherd
  • Spring Brook Water Supply Company
  • Sterrick Creek Coal Company
  • Suburan Plant
  • Temple Iron Company
  • U. S. Hoffman Machinery
  • Underwood Coal Company
  • Wash. Ave Plant
  • Washburn and Zerfass
  • Webster Coal and Coke Company

 

Seranton

  • Delaware Lackawanna and Western Rr Company Diamond Mines
  • Leonard Brothers
  • Simpson and Watkins
  • Washburn, Williams and Company
  • West End Coal Company

 

Seward

  • Penn Public Service Corp
  • Pennsylvania Electric Company
  • Seward Public School

 

Shamokin

  • Bear Gap Water Company
  • Cameron Colliery
  • Edgewood Mill
  • Edison Electric Illg Company
  • Hickory Ridge Colliery
  • Hickory Swamp Colliery
  • J. H. & C. K. Eagle
  • J. Langdon and Company Inc.
  • J.H. and C.K. Eagle Company
  • Luke Fidler Colliery
  • Mineral Railway and Mining Company
  • Shamokin and Coal Township Light, Heat and Power Company
  • Shamokin Light Heat and Power Company
  • Shipman Coal Company
  • Thos. A. Edison Edison and Illuminating Company
  • Township Light and Power Company
  • Union Coal Company

 

Shamokin Dam

  • Pennsylvania Power & Light Company

 

Sharon

  • Armco Steel
  • Buhl Steel Company
  • Carnegie Steel Company
  • Driggs Sealury Ordnance Corp
  • Driggs Seaway Ordnance Corp
  • First Federal Savings & Loan
  • First Presbyterian Church
  • General American Transportation Corp
  • National Casting
  • National Malleable
  • National Steel Company
  • Petroleum Iron Works
  • Republic I and S Company
  • Savage Arms Corporation
  • Sharon Coke Company
  • Sharon Iron Company
  • Sharon Steel Company
  • Sharon Steel Hook Company
  • Sharon Tube
  • Sharon Water Works Company
  • Shenango Valley Water Company
  • Westinghouse Electric Corp

 

Sharpsburg

  • Bell Telephone Company
  • Fort Pitt Brewing Company
  • H.R. Curry
  • Moorhead Brothers and Company
  • Pittsburg Metal Process
  • Round House
  • Spang Chalfant and Company Inc.

 

Sharpsville

  • Claire Furnace Company
  • Corrigan Mckinney and Company
  • Mabel Furnace
  • Sharpsville Furnace Company
  • Shenango Furnace Company
  • Shenango Steel
  • Spearman Iron Company
  • Valley Mould and Iron Company

 

Shawville

  • Penelec Power Plant
  • Pennsylvania Electric Company
  • Reliant Energy Wholesale Group
  • Susquehanna Power Station

 

Shelocta

  • Keystone Power Station
  • Pennsylvania Electric Company
  • Shelocta Power Station
  • Westinghouse Electric Corporation

 

Shippingport

  • Atomic Power Station
  • Beaver Valley Power Station
  • Bruce Mansfield Power Plant
  • Crump, Inc.
  • Duquesne Light Company
  • First Energy Nuclear Operatin
  • Pennsylvania Power & Light Company
  • Power Atomic Power Station
  • Shippingport Nuclear Power Station
  • Westinghouse

 

South Bethlehem

  • Bethleham Steel Company
  • Bethlehem City Water Company
  • Lehigh Coke Company
  • Saucon

 

South Heights

  • Duquesne Light Company
  • Phillips Power Station

 

Spring Grove

  • Black Liquor Oxidation System
  • Dorr Oliver Inc
  • Glatfelter P H Company
  • Glatfelter Paper Mill
  • P.H. Glatfelder Company

 

Springdale

  • Allegheny Energy Supply Company
  • Arden Verner Painting
  • Cheswick Power Station
  • Colfax Station
  • Pittsburgh Plate Glass
  • Satellite Alloy Corporation
  • Springdale Powerhouse
  • West Pennsylvania Power Company

 

State College

  • Corning Glass Company
  • Penn State University
  • Pennsylvania State College
  • Westerly Parkway School

 

Steelton

  • Bethlehem Steel Corporation
  • Pennsylvania Steel Company
  • Standard Oil
  • United Gas Improvement Company

 

Sunbury

  • Allied Chemical Corporation
  • Edison Electric Ill’G Company
  • Middle Creek Electric Company
  • Pennsylvania Power & Light
  • Sunbury and Northumberland Electric
  • Sunbury Converting Works
  • Susquehanna Silk Mills
  • Wilson & Company
  • Young Door Company

 

Swedeland

  • Alan Wood Iron and Steel Company
  • Alan Wood Steel Company
  • Koppers Company, Inc.
  • Norris Smelting & Refining
  • R. Heckscher and Sons
  • Rainey Wood Coke Corp
  • Richard Hecksher and Sons
  • Smith Kline & French
  • U. S. Bureau of Mines

 

Tacony

  • Erben Harding Company
  • Munition Plant
  • Philadelphia Electric Company
  • Station J
  • Tacony Ordnance Corporation

 

Tarentum

  • A.P. Green Fire Brick Company
  • Allegheny Valley Street Railway Company
  • Allegheny Valley Water Company
  • Anchor Brewing Company
  • Ap Green Refractories Division
  • Pittsburgh Plate Glass Company
  • Tarentum Light and Water Plant
  • Tarentum Light Plant
  • Tarentum Paper Mills

 

Temple

  • Beryllium Corp of Pennsylvania
  • Empire Steel Products
  • Seaboard Steel and Manganese Corp
  • Temple Furnace
  • Temple Iron Company

 

Titusville

  • Ap Green F B Company of W Ny
  • Cyclops Corporation
  • Cytemp Specialty Steel
  • Enterprise Transit Company
  • Gage Company
  • Struthers and Wells
  • Titusville Iron Works
  • United Engineering & Foundry Company
  • Universal Cyclops Steel Mill

 

Trainer

  • British Petroleum
  • Bryton Chemical
  • Tosco Refining Company

 

Twin Oaks

  • Sun Oil Company Warehouse

 

Tyrone

  • Home Electric Light and Steam Heating Company
  • West Virginia Pulp & Paper Company
  • Westvaco Corporation
  • Westvaco Pulp and Paper

 

Uniontown

  • Brier Hill Coke Company
  • John S. Pepson
  • Marlsbary Manufacturing Company
  • Orient Coal and Coke Company
  • Tower Hill Connellsville Coke Company
  • Uniontown Hospital
  • Uniontown Senior High School
  • Washington Candc Company

 

Vandergrift

  • American Sheet and Tin Plate Company
  • Apollo Iron and Steel Company
  • Chilled Roll Foundry
  • U. S. Steel Corporation
  • United Engineering and Foundry Company
  • Vandergrift Electric Light and Power Company
  • Vandergrift Land and Improvement Company

 

Verona

  • Allegheny Refining Company
  • Crane Company
  • Edgewater Steel Company
  • Koppers Company, Inc.
  • Suburban Water Company
  • Woodings Verona Steel Works

 

Wanamie

  • Colliery Number 18
  • Lehigh Wilkes Barre Coal Company
  • Peoples St. Railway Company
  • Wanamie Colliery

 

Warren

  • Bell Telephone Company of Pa.
  • Conewango Refining Company
  • Laco Applicators, Inc.
  • Sherwood Refining Company, Inc.
  • Struthers Station
  • Struthers Well Corp
  • Sylvania Elec Prod Inc
  • United Refining Company
  • Warren Light and Power Company
  • Warren Power Plant

 

Washington

  • Allegheny Ludlum Steel Div
  • Brockway Glass Company
  • Carnegie Natural Gas Company
  • Christopher Mining Company
  • Citizens Water Supply Company
  • Hazel Atlas Glass Company
  • Jessop Steel Corp
  • Jessop Steel Plant
  • Mcclure Company
  • Mcgraw-Edison
  • Precision Products Company
  • Trinity Middle School
  • Tygart Glass
  • Tyler Charcoal Iron Tin Mills
  • Tyler Tube and Pipe Company
  • Washington Hospital
  • Washington Ice Company
  • Washington Jefferson College
  • Washington Tin Plate Company
  • Washington Tool & Machine Company

 

Washingtonville

  • Danville Powerhouse
  • Montour Power Plant
  • Pennsylvania Power & Light Company
  • Washingtonville Power Plant

 

Wayne

  • A T & T
  • American Telephone & Telegraph
  • Bell Telephone
  • Cherion and Radnor Gas and Electric Company
  • Merion and Radnor Gas and Electric Company
  • United Gas Improvement Company

 

West Chester

  • American Gas Company
  • Brandywine Mushroom Company
  • East Senior High School
  • Edison Electric Illmg. Company
  • Edison Electric Illum’G Company
  • Lenape Forge Inc
  • National Foam Company
  • Phila Suburban Gas and Electric Company
  • Philadelphia Suburban Gas and Electric Company
  • R.M. Armstrong
  • U. S. Steel Corporation
  • West Chester Laundry
  • West Chester University
  • Weyeth Laboratories, Inc.

 

West Mifflin

  • Bettis Atomic Power Laboratory
  • Continental Can
  • Westinghouse Betis
  • Westinghouse Electric Company

 

West Point

  • Merck and Company Inc
  • Merck, Sharp and Dohme

 

Wilkes Barre

  • Algonquin Coal Company
  • American Car & Foundry
  • Bendix Corporation
  • Bennett Station
  • Bennett Steel
  • Delaware and Hudson Canal Company
  • Hazard Manufacturing Company
  • Henry Colliery
  • Hollenback Colliery
  • J.E. Patterson
  • Laurel Run Coal Company
  • Lehigh and Wilkes Barre Coal Company
  • Lehigh Coal and Navigation Company
  • Lehigh Valley Coal Company
  • Lehigh Wilkes Barre Coal Company
  • Mineral Railroad and Mining Company
  • Mineral Spring Colliery
  • Pennsylvania Gas & Water Company
  • Peoples Bank
  • Plymouth Coal Company
  • Prospect Colliery
  • R.D. Isaacs and Son
  • Stagmaier Brewing Company
  • Steel Workers Local 7209
  • Stegmaier Brewing Company
  • Stone Canon Cons. Coal Company
  • Summit Branch Railroad Company
  • Thro’ Central Poor District of Luzerne Company
  • Tioga Coal Company
  • United Steel and Wire
  • Wilkes Barre Anthracite Coal Company
  • Wilkes Barre College
  • Wilkes Barre Company
  • Wilkes Barre Electric Light Company
  • Wilkes Barre Gas and Electric Company
  • Wilkes Barre Steam Heat Company
  • Wilkesbarre Railway Company
  • Wyoming Engineering Company
  • Wyoming Valley Electric Light. Heat and Power Company

 

Wilkinsburg

  • Columbia Hospital
  • Penn Heat and Power Company
  • Penna. Water Company
  • Wilkinsburg Electric Company
  • Wilkinsburg High School

 

Williamsburg

  • Pennsylvania Electric Company
  • Swees Steel Company
  • West Virginia Pulp and Paper Company
  • Westvaco
  • Williamsburg Generating Station

 

Williamsport

  • Country Dry Wall
  • Glyco Chemicals Division
  • Lycoming Edison Company
  • Lycoming Electric Company
  • Lycoming Rubber Company
  • Park Hotel
  • Phoenix Utility Company
  • R.J. Carey Company
  • Stone & Webster Engineering
  • Sweet’s Steel
  • Williamsport Powerhouse
  • Williamsport Technical Institute

 

Williamstown

  • Bear Valley Number
  • Bear Valley Shaft
  • Summit Branch Mining Company
  • Summit Branch Railroad Company

 

Willow Grove

  • Chew‐Bittel Company
  • Naval Air Station
  • Quaker State Machine Company
  • Valley Forge Hospital
  • Willow Grove Naval Air Station

 

Wilmerding

  • Bendix Westinghouse Company
  • Westinghouse Air Brake Company

 

Windber

  • Berwin White Coal Company
  • Berwind White Coal Mining Company
  • Cominsky Warehouse
  • Eureka Colliery North 35
  • Mac Service Incorporated
  • Windber Electric Company

 

Woodland

  • Harbison and Walker Company
  • Jones and Laughlin Steel Company
  • Lower Works
  • Woodland Fire Brick Company
  • Woodland Fire Bridge Company
  • Woodland Fire Buick Company

 

Woodlawn

  • Aliquippa Works
  • Jones and Laughlin Steel Corporation
  • Jones Laughlin Steel Company

 

Wyoming

  • Dail Rock Coal Company
  • Keystone Plantation
  • Lehigh Valley Coal Company
  • Malthby Colliery
  • Mount. Lookout Coal Company
  • Pennsylvania Coal Company
  • Simpson and Watkins
  • Temple Iron Company

 

Yeadon

  • Parkview Court Apts

 

York

  • Alexander Good Elementary School
  • Allis-Chalmers Manufacturing Company
  • Baker Company J. E.
  • Borg Warner Corporation
  • Caterpillar Tractor Company
  • Certain-Teed Production Corporation
  • Continental Wire & Cable
  • Custom Insulation Company
  • Edison Electric Light Company
  • Edison Light and Power Company
  • Eng Research Bld 19
  • Fabricating Engineering Company
  • Grantley Rd York Coutny
  • Hardinge Company
  • J. E. Baker Company
  • Keystone Roofing Company
  • Mckay Corporation
  • Mckinley Elementary School
  • Medusa Cement Company
  • Medusa Portland Cement Company
  • New York Wire Cloth Company
  • P H Gladfelter Company
  • S Morgan Smith Company
  • Sandusky Cement Company
  • Schmidt and Ault Paper Company
  • Sylvania Electric Product
  • Westside Osteopathic Hospital
  • Wheelwright and Mudge
  • Yoder Industries
  • York City Steam Plant
  • York Corporation
  • York Corrugating Company
  • York Hospital
  • York International Corp
  • York Junior College
  • York Manufacturing Company
  • York Shipley Inc
  • York Water Company
  • Yorktowne Hotel

 

York Haven

  • Baunner Island Elect Steam Sta
  • Brunner Island Power Plant
  • International Paper Company
  • Pennsylvania Power & Light Company
  • Southern Kraft Div Int’L Paper Company
  • Westinghouse Electric Company

 

Zelienople

  • Dowty Corporation
  • Lava Crucible Refractories
  • Robinson Ventilating Company
  • Toolmatic Company
  • Universal Rubber Products Company