Firmen in Pennsylvania



County Ort Firma Ortsteil Straße Branche
? Fayette (Fayette, Penn. Fayette Fuel Gas Co.     Erdgas-Unternehmen
? Franklin (Pa.) Franklin Waterworks     Wasserwerk
? Hillsdale (Penn. Allegheny Light & Fuel Co.     Erdgas-Unternehmen
? Johnstown (Pa.) Connemaugh Natural Gas Co.     Erdgas-Unternehmen
? Johnstown (Pa.) Cresson Natural Gas Co.     Erdgas-Unternehmen
? Knoxville (Pennsyvania) Knoxville Waterworks     Wasserwerk
? Newcastle (Pennsylvania) Newcastle Waterworks     Wasserwerk
? Newton (Pennsylvania) Newton Waterworks     Wasserwerk
? Pennsylvania Allegheny Electric Coop Inc     Elektrizitätsversorgungsunternehmen
? Pennsylvania Henry B. McMurray     Maschinenfabrik
? Pennsylvania Johnston & Hemphill     Eisenwerks-Unternehmen
? Pennsylvania Kinzna Gas Co.     Erdgas-Unternehmen
? Pennsylvania Metropolitan Edison Co     Elektrizitätsversorgungsunternehmen
? Pennsylvania Northeast Heat & Light Co.     Erdgas-Unternehmen
? Pennsylvania Pennsylvania Electric Co     Elektrizitätsversorgungsunternehmen
? Pennsylvania Pennsylvania Power & Light Co     Elektrizitätsversorgungsunternehmen
? Pennsylvania Pennsylvania Power Co     Elektrizitätsversorgungsunternehmen
? Pennsylvania Renovo Gas & Oil Co.     Erdgas-Unternehmen
? Pennsylvania Rural Light & Heat Co.     Erdgas-Unternehmen
? Pennsylvania Safe Harbor Water Power Corp     Elektrizitätsversorgungsunternehmen
? Pennsylvania UGI Utilities Inc     Elektrizitätsversorgungsunternehmen
? Pennsylvania Union Light & Heat Co.     Erdgas-Unternehmen
? Pennsylvania West Penn Power Co     Elektrizitätsversorgungsunternehmen
? Pennsylvania Wm F Matson Generator Station     Elektrizitätswerk
Adams East Berlin (Pennsylvania) G. Baker     Maschinenfabrik
Adams East Berlin (Pennsylvania) Ischop & Hartman     Maschinenfabrik
Adams East Berlin (Pennsylvania) J. Hartley     Drahtfabrik
Adams East Berlin (Pennsylvania) Rebbert & Brough     Eisenwarenfabrik
Adams East Berlin (Pennsylvania) The Berlin Iron Bridge Company     Brückenbauanstalt
Adams Franklin (Adams, Pa.) Caledonia Iron Works     Hochofenwerk
Adams Franklin (Adams, Pa.) Thaddeus Stevens     Eisenwerks-Unternehmen
Adams Gardners (Penn.) Pine Grove Furnace Pine Grove   Hochofenwerk
Adams Gardners (Penn.) South Mountain Iron Co.     Eisenwerks-Unternehmen
Adams Gettysburg (Pennsylvania) A. M. Hunter     Maschinenfabrik
Adams Gettysburg (Pennsylvania) D. Steiner     Maschinenfabrik und Eisengießerei
Adams Gettysburg (Pennsylvania) Gettysburg Gas Co.     Gaswerk
Adams Idaville (Penn.) Chestnut Grove Furnace     Hochofenwerk
Adams Idaville (Penn.) Jesse R. Group     Eisenwerks-Unternehmen
Adams Orrtanna (USA) Orrtanna Power Plant     Elektrizitätswerk
Alleghany Braddocks Fields (Pennsylvania) McVay, Walker & Co.     Eisengießerei
Alleghany East Liberty (Pennsylvania) Snyder Bros.     Eisengießerei
Allegheny Allegheny (Penn., USA) Allegheny Gas Co.     Gaswerk
Allegheny Allegheny (Penn., USA) Allegheny Heating Co. Allegheny City   Erdgas-Unternehmen
Allegheny Allegheny City (Pa.) A. Andriessen   Federal Street 173 Getränkehändler
Allegheny Allegheny City (Pa.) American Natural Gas Co. Allegheny City   Erdgas-Unternehmen
Allegheny Allegheny City (Pa.) Andrews, Armstrong & Abby   Ohio Lane Maschinenfabrik
Allegheny Allegheny City (Pa.) Bakewell, Pears & Co., Pittsburgh Flint Glass Works   Bingham Street Glasfabrik
Allegheny Allegheny City (Pa.) C. F. Wells & Co., Pennsylvania White Lead Works   River Avenue Bleiweißfabrik
Allegheny Allegheny City (Pa.) Crea, Graham & Co.   Beaver Avenue 316 Herdfabrik
Allegheny Allegheny City (Pa.) D. Lutz & Son   Spring Garden Avenue 1-11 Brauerei
Allegheny Allegheny City (Pa.) D. Risher & Co.   Wood Street 62 Federnfabrik
Allegheny Allegheny City (Pa.) F. M. Haslett & Co., Keystone Nut and Bolt Works   Main Street Schraubenfabrik
Allegheny Allegheny City (Pa.) Graham & Courtney   Beaver Avenue 254+256 Salzfabrik
Allegheny Allegheny City (Pa.) H. J. Heinz Company     Konservenfabrik
Allegheny Allegheny City (Pa.) H. J. Heinz Company, Pickles etc.     Konservenfabrik
Allegheny Allegheny City (Pa.) Hamilton, Lemmon, Arnold & Co.   Mulberry Street Sargfabrik
Allegheny Allegheny City (Pa.) Heat & Power Co. of Allegheny City Allegheny City   Erdgas-Unternehmen
Allegheny Allegheny City (Pa.) Independence Natural Gas Co. Allegheny City   Erdgas-Unternehmen
Allegheny Allegheny City (Pa.) J. B. Jones & Bro.   River Avenue 73+74 Metallgroßhändler
Allegheny Allegheny City (Pa.) J. S. Hollinger   South Diamond Street 46 Catering-Unternehmen
Allegheny Allegheny City (Pa.) James Russell   Federal Street 92 Schuhgeschäft
Allegheny Allegheny City (Pa.) Jas. W. Drape   Federal Street 112 Auktionator
Allegheny Allegheny City (Pa.) John Mussler   Beaver Avenue 127 Fleischhändler
Allegheny Allegheny City (Pa.) National Planing Mill, Joseph A. Steen   Lacock Street 64-68 Holzwerk
Allegheny Allegheny City (Pa.) Nellis, Shriver & Co.   Rebecca Street Metallwarenfabrik
Allegheny Allegheny City (Pa.) Pittsburgh Car Wheel Works, John J. Gill, jr.   Preble Avenue Eisengießerei
Allegheny Allegheny City (Pa.) Pittsburgh Locomotive and Car Works   Beaver Avenue 396 Lokomotivfabrik
Allegheny Allegheny City (Pa.) Pittsburgh Tar Chemical Works, H. A. Clifford & Co.   Rebecca Street 170 chemische Fabrik
Allegheny Allegheny City (Pa.) Suydam, Lawrence & Co., Pittsburgh White Lead and Oil Works   Rebecca Street 450 chemische Fabrik
Allegheny Allegheny City (Pa.) Trimble & Co.   Beaver Avenue 245 Bauunternehmen
Allegheny Allegheny City (Pa.) Union Gas Light Co. Allegheny City   Erdgas-Unternehmen
Allegheny Allegheny City (Pa.) W. W. Hechelman, M.D.   Madison Avenue 65 Arzt
Allegheny Allegheny City (Pa.) Wasserwerk Allegheny City     Wasserwerk
Allegheny Allegheny County (USA) A. H. Jones     Eisengießerei
Allegheny Allegheny County (USA) A. J. Nellis & Co.     Eisenwarenfabrik
Allegheny Allegheny County (USA) Albion, Hartzie, Wiley & Co.     Eisenwerk
Allegheny Allegheny County (USA) Armstrong, Hutchinson & Co.     Maschinenfabrik
Allegheny Allegheny County (USA) Bensen & Son     Maschinenfabrik
Allegheny Allegheny County (USA) Brunot Island Power Plant     Elektrizitätswerk
Allegheny Allegheny County (USA) C. Rozen     Maschinenfabrik
Allegheny Allegheny County (USA) Carlin & Gibson 4. Bezirk Sandusky Street Maschinenfabrik und Eisengießerei
Allegheny Allegheny County (USA) Chaplin & Lantz     Lokomotivfabrik
Allegheny Allegheny County (USA) Cowell & Bros.   First Street Maschinenfabrik
Allegheny Allegheny County (USA) D. De Haven & Sons     Eisengießerei
Allegheny Allegheny County (USA) Deming & Graw     Eisenwarenfabrik
Allegheny Allegheny County (USA) Diamond Foundry and Machine Works     Maschinenfabrik
Allegheny Allegheny County (USA) Excelsior Rolling Mills, Lewis, Oliver & Phillips     Walz- und Eisenwerk
Allegheny Allegheny County (USA) F R Phillips Power Plant     Elektrizitätswerk
Allegheny Allegheny County (USA) Fisher, Graham & Co.     Maschinenfabrik
Allegheny Allegheny County (USA) Gibson & Riddle     Maschinenfabrik und Eisengießerei
Allegheny Allegheny County (USA) Graff, Hugus & Co.     Eisengießerei
Allegheny Allegheny County (USA) H. Anschutz & Sons     Eisengießerei
Allegheny Allegheny County (USA) H. Farnan     Maschinenfabrik
Allegheny Allegheny County (USA) H. T. Price & Co.   Lacock Street 165 Tankfabrik
Allegheny Allegheny County (USA) Hall Steam Pump Company   Grant Avenue 50 Maschinenfabrik
Allegheny Allegheny County (USA) Hewitt & Bro.     Eisengießerei
Allegheny Allegheny County (USA) Hugh Wightman, Penn. Machine Works   Lacock Street Maschinenfabrik
Allegheny Allegheny County (USA) J. Holmes & Son     Kesselschmiede
Allegheny Allegheny County (USA) James Hill & Co.     Maschinenfabrik und Kesselschmiede
Allegheny Allegheny County (USA) Jennings & Co.     Maschinenfabrik
Allegheny Allegheny County (USA) John Crawford & Co.     Eisenwarenfabrik
Allegheny Allegheny County (USA) L. J. Peterson     Eisengießerei
Allegheny Allegheny County (USA) L. O. Livingston & Co.     Eisengießerei
Allegheny Allegheny County (USA) McLean & Slater     Eisengießerei
Allegheny Allegheny County (USA) N. Bandy     Eisenwarenfabrik
Allegheny Allegheny County (USA) Nuttall & Kirkpatrick   Water Street Maschinenfabrik
Allegheny Allegheny County (USA) R. W. White & Bro.     Maschinenfabrik und Kesselschmiede
Allegheny Allegheny County (USA) Reiter & Armor     Eisenwarenfabrik
Allegheny Allegheny County (USA) Reiter, Sutton & Co.     Stahlwerk
Allegheny Allegheny County (USA) S. B. Ross     Eisenwerk
Allegheny Allegheny County (USA) S. Reynolds     Eisengießerei
Allegheny Allegheny County (USA) Thomas Carlin & Co.     Maschinenfabrik und Eisengießerei
Allegheny Allegheny County (USA) W. Wightman     Maschinenfabrik
Allegheny Bellevue (Penn.) Bellevue Waterworks     Wasserwerk
Allegheny Bessemer (Allegheny, Pa.) Edgar Thomson Furnaces     Hochofenwerk
Allegheny Braddock (Pennsylvania) Braddock Fuel Co.     Erdgas-Unternehmen
Allegheny Braddock (Pennsylvania) Braddock Gas and Light Co.     Gas- und Elektrizitätswerk
Allegheny Braddock (Pennsylvania) Braddock Waterworks     Wasserwerk
Allegheny Braddock (Pennsylvania) The Pittsburgh Wire Company     Eisen- und Stahl-Hüttenwerk
Allegheny Chartiers Terrace (USA) Chartiers Gas Light Co.     Erdgas-Unternehmen
Allegheny Chartiers Terrace (USA) Consumers' Heating Co.     Erdgas-Unternehmen
Allegheny Cheswick (USA) Cheswick Power Plant     Elektrizitätswerk
Allegheny Crafton (Penn.) Crafton Gas Light Co.     Erdgas-Unternehmen
Allegheny Dixmont (Pennsylvania) Western Pennsylvania Hospital For Insane     Irrenanstalt
Allegheny Duquesne (Pennsylvania) Duquesne Light Co     Elektrizitätsversorgungsunternehmen
Allegheny Elizabeth (Penn. The Bessemer Natural Gas Co.     Erdgas-Unternehmen
Allegheny Etna (Penn.) Etna Natural Gas Co.     Erdgas-Unternehmen
Allegheny Etna (Penn.) Isabella Furnace Company     Hochofenwerk
Allegheny Fort Pitt (USA Fort Pitt Gas Co.     Erdgas-Unternehmen
Allegheny Fort Pitt (USA United Oil & Gas Trust.     Erdgas-Unternehmen
Allegheny Glassport (USA) United Coke and Gas Co.     Kokerei und Gaswerk
Allegheny Glenfield (Penn. Baden Gas Co.     Erdgas-Unternehmen
Allegheny Glenwood (Allegheny, Pa.) Blair Iron and Steel Co.     Stahlwerk
Allegheny Homestead (Pa.) Homestead Gas Light Co.     Erdgas-Unternehmen
Allegheny Homestead (Pa.) Homestead Steel Works     Stahlwerk
Allegheny Homestead (Pa.) Homestead Waterworks     Wasserwerk
Allegheny McDonald (Penn. Oakdale Natural Gas Co.     Erdgas-Unternehmen
Allegheny McKeesport (USA) Citizens' Fuel Co.     Erdgas-Unternehmen
Allegheny McKeesport (USA) Citizens' Fuel Co. Meadville Fuel Gas Co.     Erdgas-Unternehmen
Allegheny McKeesport (USA) Citizens' Fuel Co. Meadville Fuel Supply Co.     Erdgas-Unternehmen
Allegheny McKeesport (USA) Citizens' Fuel Co. The Fuel Gas Co.     Erdgas-Unternehmen
Allegheny McKeesport (USA) Citizens' Fuel Co. Versailles Gas Co.     Erdgas-Unternehmen
Allegheny McKeesport (USA) McKeesport Gas Co.     Gas- und Elektrizitätswerk
Allegheny McKeesport (USA) McKeesport Iron Works     Walzwerk
Allegheny McKeesport (USA) McKeesport Waterworks     Wasserwerk
Allegheny McKeesport (USA) National Tube Works Co.   4th Street Röhrenwerk
Allegheny McKeesport (USA) Pitt Steel Works     Stahlwerk
Allegheny McKeesport (USA) Pittsburgh & McKeesport Co     Lokomotivfabrik
Allegheny McKeesport (USA) Pittsburgh and McKeesport Car Co.     Maschinenfabrik und Eisengießerei
Allegheny McKeesport (USA) United States Iron and Tin Plate Works     Walzwerk
Allegheny Millvale (Pennsylvania) Millvale Waterworks     Wasserwerk
Allegheny Natrona (Penn.) East Deer Natural Gas Co.     Erdgas-Unternehmen
Allegheny Natrona (Penn.) Fawn Natural Gas Co.     Erdgas-Unternehmen
Allegheny Natrona (Penn.) Harison Natural Gas Co.     Erdgas-Unternehmen
Allegheny Natrona (Penn.) Mahoning Natural Gas Co.     Erdgas-Unternehmen
Allegheny Natrona (Penn.) Pennsylvania Salt Manufacturing Co.     chemische Fabrik
Allegheny Natrona (Penn.) Shenango Gas Co.     Erdgas-Unternehmen
Allegheny Natrona (Penn.) Shenango Natural Gas Co.     Erdgas-Unternehmen
Allegheny Natrona (Penn.) West Deer Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) A. & T. M'Kenna   Third Avenue 122 Messinggießerei
Allegheny Pittsburgh (Pa.) A. Garrison & Co. Birmingham   Eisengießerei
Allegheny Pittsburgh (Pa.) A. Guckenheimer & Bros.   First Avenue 93+95 Brennerei
Allegheny Pittsburgh (Pa.) A. Hartupee & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) A. R. Reineman & Bro.   Fifth Avenue 25 Florist
Allegheny Pittsburgh (Pa.) A. Stetler & Sons     Kesselschmiede
Allegheny Pittsburgh (Pa.) A. W. Cadman & Co. Duquesne Duquesne Way Messingwerk
Allegheny Pittsburgh (Pa.) Acme Fuel Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Acme Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Acme Heating Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Adams & Co.   Tenth Street Glaswerk
Allegheny Pittsburgh (Pa.) Ahlborn, Neckerman & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Ajax Manufacturing Company     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Albun, Hartje, Wiley & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Allegheny and Monongahela Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Allegheny County Electric Light Company     Elektrizitätswerk
Allegheny Pittsburgh (Pa.) Allegheny County Gas and Fluid Transportion Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Allegheny Light, Heat & Power Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Allegheny Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Allegheny Valley Railroad Machine Shop     Eisenbahnwerkstätte
Allegheny Pittsburgh (Pa.) American Bridge Company     Brückenbauanstalt
Allegheny Pittsburgh (Pa.) American Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Amstrong & Co.     Korkfabrik
Allegheny Pittsburgh (Pa.) Anchor Machine Works     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Anchor Nail and Tack Works     Walzwerk
Allegheny Pittsburgh (Pa.) Anderson & Bro.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Anderson & Woods     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Andrews & Armstrong     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Arbuckles & Co.     Gewürzfabrik
Allegheny Pittsburgh (Pa.) Armstrong Bro. & Co.   24th Street Korkfabrik
Allegheny Pittsburgh (Pa.) Artisans Deposit Bank   Third Avenue Bank
Allegheny Pittsburgh (Pa.) Atlas Works     Lokomotivfabrik
Allegheny Pittsburgh (Pa.) Bacharach Industrial Instrument Company 8 Penn Ave. 7301 Gerätehersteller
Allegheny Pittsburgh (Pa.) Baldwin Township Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Bellevue Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Bindley Hardware Company     Maschinen- und Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Birmingham Foundry and Machine Shop   21st Street Gießerei und Maschinenfabrik
Allegheny Pittsburgh (Pa.) Birmingham Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Black Diamond Steel Works     Stahlwerk
Allegheny Pittsburgh (Pa.) Blair Iron and Steel Co.     Stahlwerke
Allegheny Pittsburgh (Pa.) Brenneman & Ward     Kesselschmiede
Allegheny Pittsburgh (Pa.) Brown & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Byers, McCullough & Co.     Walzwerk
Allegheny Pittsburgh (Pa.) C. E. Jones & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) C. F. Graham & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) C. G. Hussey & Co.     Messing- und Kupferwalzwerk
Allegheny Pittsburgh (Pa.) C. J. Schultz Birmingham   Maschinenfabrik
Allegheny Pittsburgh (Pa.) Carnegie Brothers & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Carnegie Institute of Technology     wiss. Institut
Allegheny Pittsburgh (Pa.) Carnegie Natural Gas Co., Pittsburgh.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Carnegie Steel Co.     Stahl-Konzern
Allegheny Pittsburgh (Pa.) Carnegie Steel Co., Duquesne Works Duquesne East Grant Avenue Stahlwerk
Allegheny Pittsburgh (Pa.) Carnegie, Phipps & Co. Limited - Lucy Furnaces     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) Carnegie, Phipps & Co. Limited - Upper Union Mills     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) Carpenter Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Carroll Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Carter Brothers & Co.   Liberty Street 259-261 Lebensmittelhändler
Allegheny Pittsburgh (Pa.) Cecil Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Central Foundry, Bagaley, Young & Co.     Maschinenfabrik und Eisengießerei
Allegheny Pittsburgh (Pa.) Central Refining Co.   Wood Street 173 Ölraffinierie
Allegheny Pittsburgh (Pa.) Chadwick      
Allegheny Pittsburgh (Pa.) Charleroi Plate Glass Works     Glasfabrik
Allegheny Pittsburgh (Pa.) Chartiers Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Chartiers Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Chartiers Valley Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Chess, Smyth & Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Chicopee Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Clinton and Millvale Rolling Mills     Walzwerk
Allegheny Pittsburgh (Pa.) Clinton Furnace     Hochofenwerk
Allegheny Pittsburgh (Pa.) Collier Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Consolidated Gas Co.     Gaswerk
Allegheny Pittsburgh (Pa.) Consumers' Heating Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Crescent Steel Works, Miller, Barr & Parkin     Fahrzeugfabrik
Allegheny Pittsburgh (Pa.) Crucible Cast Steel Casting Co., Limited     Stahlwerk
Allegheny Pittsburgh (Pa.) Daniels Patent Car Spring Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Davis & Phillips   Water Street 110 Metallgießerei
Allegheny Pittsburgh (Pa.) De Haven & Son     Eisengießerei
Allegheny Pittsburgh (Pa.) Dilworth, Porter & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Dithridge Chimney Co.   17th Street Glasfabrik
Allegheny Pittsburgh (Pa.) Douglass & English     Kesselschmiede
Allegheny Pittsburgh (Pa.) Duquesne Boiler Works, James Thorn & Co. Duquesne Duquesne Way Kesselschmiede
Allegheny Pittsburgh (Pa.) Duquesne Brass Works, Cadman & Crawford Duquesne Duquesne Way Messingwarenfabrik
Allegheny Pittsburgh (Pa.) Duquesne File Works, Chas. Challinor     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Duquesne Force Company     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) Duquesne Forge, W. Miller     Fahrzeugfabrik
Allegheny Pittsburgh (Pa.) Duquesne Spring and Axle Works   16th Street Maschinenfabrik
Allegheny Pittsburgh (Pa.) Duquesne Tube Works Company     Röhrenwerk
Allegheny Pittsburgh (Pa.) E. & G. H. Zacharias   Penn Avenue 723 Zigarrenfabrik
Allegheny Pittsburgh (Pa.) E. M. & W. Ferguson     Eisenwerk?
Allegheny Pittsburgh (Pa.) Eagle Malleable Iron Foundry     Eisengießerei
Allegheny Pittsburgh (Pa.) Eagle Rolling Mill     Walzwerk
Allegheny Pittsburgh (Pa.) East End Electric Light Company     Elektrizitätswerk
Allegheny Pittsburgh (Pa.) East End Gas Co.     Gaswerk
Allegheny Pittsburgh (Pa.) East Franklin Township Heat & Light Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Eberhardt & Ober Allegheny Try Hill Road 1-9 Brauerei
Allegheny Pittsburgh (Pa.) Edgar Thomson Steel Company Ltd. Braddock   Stahl- und Walzwerk
Allegheny Pittsburgh (Pa.) Edith Furnace Allegheny City   Hochofenwerk
Allegheny Pittsburgh (Pa.) Eliza Furnaces     Hochofenwerk
Allegheny Pittsburgh (Pa.) Elizabeth Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Epping, Carpenter & Co. Limited   Fourty-first Street Maschinenfabrik
Allegheny Pittsburgh (Pa.) Equitable Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Etna Rolling Mill     Walzwerk
Allegheny Pittsburgh (Pa.) Etna Stove Foundry, A. Bradley & Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Eureka Gas Fuel and Light Co.     Gaswerk
Allegheny Pittsburgh (Pa.) Evans, Dalzell & Co.     Röhrenwerk
Allegheny Pittsburgh (Pa.) Everson, Macrum & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) F. & W. M. Faber Company   Liberty Street Maschinenfabrik und Eisengießerei
Allegheny Pittsburgh (Pa.) F. C. Kram     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) F. Fichtel   Carson Street 15 Lebensmittelhändler
Allegheny Pittsburgh (Pa.) Fawcus Machine Co.     Zahnradfabrik
Allegheny Pittsburgh (Pa.) Fort Pitt Boiler Works, Carroll & Snyder   Second Street Kesselschmiede
Allegheny Pittsburgh (Pa.) Fort Pitt Iron and Steel Works     Stahl- und Walzwerk
Allegheny Pittsburgh (Pa.) Fort Pitt Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Forward Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Gas & Fluid Transportation Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Geo. Duncan & Sons   Tenth Street Glasfabrik
Allegheny Pittsburgh (Pa.) Geo. Wittmer & Co.     Eishändler
Allegheny Pittsburgh (Pa.) Gilliam Manufacturing Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Glass, Neely & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Glendon Rolling Mill     Walzwerk
Allegheny Pittsburgh (Pa.) Globe Plow Works, Hall & Spear     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Graff, Bennett & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Graff, Byers & Co.   Water Street 129 Blechwarenfabrik
Allegheny Pittsburgh (Pa.) Graff, Hugus & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) GrapevilleJSTatural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Great Western Gun Works, J. H. Johnson     Maschinenfabrik
Allegheny Pittsburgh (Pa.) H. D. McKnight & Co., Eclipse Steam Pump Works   First Avenue Maschinenfabrik
Allegheny Pittsburgh (Pa.) H. J. Heinz & Company     Ketchup-Hersteller
Allegheny Pittsburgh (Pa.) H. K. Porter & Co.     Lokomotivfabrik
Allegheny Pittsburgh (Pa.) H. Lloyd, Son & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) H. M. Bole & Co.     Maschinenfabrik und Kesselschmiede
Allegheny Pittsburgh (Pa.) Hainsworth Steel Company     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) Hannar Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Hecla Foundry, John Rooney     Eisengießerei
Allegheny Pittsburgh (Pa.) Holdship & Irwin, American Oil Works   Fifth Avenue 49 Ölwerk
Allegheny Pittsburgh (Pa.) Hubbard, Lippincott, Bakewell & Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Hughes & Hacke     Elektrizitätswerk
Allegheny Pittsburgh (Pa.) Hussey, Binns & Co.     Stahlwerk
Allegheny Pittsburgh (Pa.) Hussey, Howe & Co.   17th Street Stahlwerk
Allegheny Pittsburgh (Pa.) Hussey, Wells & Co.     Stahlwerk
Allegheny Pittsburgh (Pa.) Hyams Meter Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Iron City Bridge Works   Carsons Street 2007 Brückenbauanstalt
Allegheny Pittsburgh (Pa.) Iron City Floor Mills, Whitmyre, Brungard & Co.   38th Street Mühle
Allegheny Pittsburgh (Pa.) Iron City Foundry, Dickson, Marshall & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Iron City Tool Works, Kloman, Park & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) J. & J. B. Millholland     Maschinenfabrik
Allegheny Pittsburgh (Pa.) J. B. Johnston   Water Street Schmied
Allegheny Pittsburgh (Pa.) J. B. Milholland     Lokomotivfabrik
Allegheny Pittsburgh (Pa.) J. Bown     Gewehrfabrik
Allegheny Pittsburgh (Pa.) J. C. Buffum   Market Street 39+41 Getränkefabrik
Allegheny Pittsburgh (Pa.) J. C. Wilson & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) J. Cochran & Bro.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) J. Crossland     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) J. H. Davis     Armaturenfabrik
Allegheny Pittsburgh (Pa.) J. Lancashire     Schneidwarenfabrik
Allegheny Pittsburgh (Pa.) J. M. Brich & Son     Kesselschmiede
Allegheny Pittsburgh (Pa.) J. R. Taylor & Co.     Drahtwaren
Allegheny Pittsburgh (Pa.) J. W. McFarland & Co.   Fifth Avenue 101 Teppichhandlung
Allegheny Pittsburgh (Pa.) J. Wilkinson     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Jacob Painter & Sons     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Jacob Ruch & Bro.   Fifth Avenue 304+306 Kutschenfabrik
Allegheny Pittsburgh (Pa.) Jacobus & Nimick Manufacturing Co.   Wood Street Metallwarenfabrik
Allegheny Pittsburgh (Pa.) James B. Young & Co., Phoenix Roll Works   41st Street Walzenfabrik
Allegheny Pittsburgh (Pa.) James Brown   Wood Street 136 Werkzeugfabrik
Allegheny Pittsburgh (Pa.) James Rees & Sons Co.   Duquesne Way Schiffswerft und Maschinenfabrik
Allegheny Pittsburgh (Pa.) Jarboe Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Jefferson Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) John B. Herron & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) John Dimling     Konditorei
Allegheny Pittsburgh (Pa.) John Freisel     Eisengießerei
Allegheny Pittsburgh (Pa.) John M. Cooper & Co.   Penn Street 882 Maschinenfabrik
Allegheny Pittsburgh (Pa.) John Wilson & Co.   Liberty Street 297 Lebensmittelgroßhändler
Allegheny Pittsburgh (Pa.) Johnstown Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Jones & Laughlins     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Jones & Nimick Manufacturing Co.     Eisenwerk
Allegheny Pittsburgh (Pa.) Jos. Graff & Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Jos. S. Finch & Co.   Second Street Brennerei
Allegheny Pittsburgh (Pa.) Jos. Tomlinson & Son   Duquesne Way Maschinenfabrik und Gießerei
Allegheny Pittsburgh (Pa.) Joseph Diebold   11th Street Lebensmittelhändler
Allegheny Pittsburgh (Pa.) Julius Voetter   East End Fleischwarenfabrik
Allegheny Pittsburgh (Pa.) Juniata Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) K. Butt & Sons     Maschinenfabrik und Kesselschmiede
Allegheny Pittsburgh (Pa.) Kensington Rolling Mill     Walzwerk
Allegheny Pittsburgh (Pa.) Keystone Axle Works, Ahlborn & Neckerman   33rd Street Fahrzeugfabrik
Allegheny Pittsburgh (Pa.) Keystone Bolt Works, Hubley, Adams & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Keystone Bridge Co.   51st Street Brückenbauanstalt
Allegheny Pittsburgh (Pa.) Keystone Gas Light Co. (Limited)   Ninth Street 44 Gaswerk
Allegheny Pittsburgh (Pa.) Keystone Hot Air Foundry, Bissell & Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Keystone Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Keystone Spring Works     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Kilbuck Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Kinzer & Jones     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Kirkpatrick, Beale & Co.   First Avenue 143 Blechwalzwerk
Allegheny Pittsburgh (Pa.) Klein, Logan & Co. Birmingham   Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Knapp Fort Pitt Foundry Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Kuntz & Limpert     Kesselschmiede
Allegheny Pittsburgh (Pa.) Laughlin & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Leet Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Lewis, Dalzell & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Lewis, Oliver & Phillips     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Lincoln Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Lindsay & McCutcheon.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Lion Brewery, D. Lutz & Son   Vineal Street Brauerei
Allegheny Pittsburgh (Pa.) Litch, Cinamon & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Little Giant Furnace, Neal Brothers Allegheny City   Hochofenwerk
Allegheny Pittsburgh (Pa.) Livingston & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Lockhardt & Co.     Eisenwerk
Allegheny Pittsburgh (Pa.) Logan Gregg & Co.     Eisenwerk
Allegheny Pittsburgh (Pa.) Lowe Pressure Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Lower Saint Clair Township Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Lucy Furnace Company   Fifty-first Street Hochofenwerk
Allegheny Pittsburgh (Pa.) Lyon, Shorb & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) M. Graver   Harrison Street Behälterbau
Allegheny Pittsburgh (Pa.) Maffett & Old   First Street 127 Metallwarenfabrik
Allegheny Pittsburgh (Pa.) Mansfield & Fitzsimmons     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Manufacturers' Gas & Fuel Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Manufacturers' Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) McClurg, Wade & Company     Lokomotivfabrik
Allegheny Pittsburgh (Pa.) McConway & Torley Company     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) McIntosh, Hemphill & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) McKnight, Duncan & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) McNish & Butler     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Mellon Inst. of Industrial Research     Computer-Hersteller
Allegheny Pittsburgh (Pa.) Melvale Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Mesta Machine & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Metcalf, Paul & Co., Verona Tool Works Verona   Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Miller, Metcalf & Parkin     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Mitchell & Co.   14th Street Herdfabrik
Allegheny Pittsburgh (Pa.) Mitchell, Stevenson & Co.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Monongahela Furnaces     Hochofenwerk
Allegheny Pittsburgh (Pa.) Monongahela Inclined Plane Company     Standseilbahnen
Allegheny Pittsburgh (Pa.) Monongahela Iron Works Birmingham   Maschinenfabrik und Eisengießerei
Allegheny Pittsburgh (Pa.) Monongahela Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Mont Blanc Foundry, Tomlinson & McKee     Eisengießerei
Allegheny Pittsburgh (Pa.) Moon Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Moorhead & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Moorhead, McCleane & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Morrow & Barnhill, O'Hara Boiler Works   Liberty Street Kesselschmiede
Allegheny Pittsburgh (Pa.) Mullen & Maloney     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) National Foundry and Pipe Works     Eisengießerei
Allegheny Pittsburgh (Pa.) National Lead Company     Bleiwerke
Allegheny Pittsburgh (Pa.) National Malleable Iron Works, John Crawford & Co.     Eisenwerk
Allegheny Pittsburgh (Pa.) National Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) North Side Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Novelty Works, Moorehead, Adams & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) O. Helmbold     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) O'Hara Boiler Works   Liberty Street Kesselfabrik
Allegheny Pittsburgh (Pa.) O'Hara Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Ohio Valley Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Oil Well Supply Company     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Oliver & Roberts Wire Company Limited     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) Oliver Iron and Steel Company     Eisen- und Stahl-Hüttenwerk
Allegheny Pittsburgh (Pa.) Ormsby Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Park & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Park, Brother & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Park, Scott & Co.   Second Avenue 122 Kupferwerk
Allegheny Pittsburgh (Pa.) Pennock & Totten, Fulton Foundry   Wood Street 141 Gießerei
Allegheny Pittsburgh (Pa.) Pennsylvania Boiler Works, D. F. Agnew   Carson Street Kesselschmiede
Allegheny Pittsburgh (Pa.) Pennsylvania Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Pennsylvania Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Pennsylvania Railroad     Eisenbahngesellschaft
Allegheny Pittsburgh (Pa.) People's Natural Gas & Pipeage Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) People's Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Peter Soffel   Sycamore Street Schuhgeschäft
Allegheny Pittsburgh (Pa.) Petroleum Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Petroleum Natural Gas Fuel Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Philadelphia Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Phillips & Cluley     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Phillips, Nimick & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Pine Bun Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Pine Creek Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Pitt Steel Works     Eisenhammer
Allegheny Pittsburgh (Pa.) Pittsburg Iron Works West Pittsburg   Eisenwerk
Allegheny Pittsburgh (Pa.) Pittsburg Writing Machine Company      
Allegheny Pittsburgh (Pa.) Pittsburgh and Birmingham Traction Company     elektrische Eisenbahn
Allegheny Pittsburgh (Pa.) Pittsburgh Bank for Savings   Fourth Avenue 61 Bank
Allegheny Pittsburgh (Pa.) Pittsburgh Bolt Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Pittsburgh Cast Steel Spring Co.     Fahrzeugfabrik
Allegheny Pittsburgh (Pa.) Pittsburgh Forge and Iron Co.     Walzwerk
Allegheny Pittsburgh (Pa.) Pittsburgh Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Pittsburgh Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Pittsburgh Plate Glass Works     Glaswerk
Allegheny Pittsburgh (Pa.) Pittsburgh Steam Engine Company   Front Street Maschinenfabrik
Allegheny Pittsburgh (Pa.) Pittsburgh Steam Hammer and Manufacturing Works, Marchand & Morgan     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Pittsburgh Steel Casting Co.     Stahlgießerei
Allegheny Pittsburgh (Pa.) Pittsburgh Steel Works     Stahlwerk
Allegheny Pittsburgh (Pa.) Pleasant Gas & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Porter, Bell & Co.     Lokomotivfabrik
Allegheny Pittsburgh (Pa.) R. Munroe & Sons, West Point Boiler Works   Twenty-third Street Kesselschmiede
Allegheny Pittsburgh (Pa.) Rankin Manufacturing Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Rasner & Duger     Eisenwerk
Allegheny Pittsburgh (Pa.) Reesick & Bro.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Reeter & Armor     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Reiseck & Bro.   Harrison Street Maschinenbauer
Allegheny Pittsburgh (Pa.) Reiter, Sutton & Co., La Belle Steel Works     Stahlwerk
Allegheny Pittsburgh (Pa.) Reserve Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Robert Lea   First Avenue Maschinenfabrik
Allegheny Pittsburgh (Pa.) Robinson Township Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Robinson, Rea & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Robson & Campbell     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Rogers & Burchfield     Walzwerk
Allegheny Pittsburgh (Pa.) Rosedale Stove Manufacturing Co., L. Peterson & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Rossiter & Co. Birmingham   Maschinenfabrik und Eisengießerei
Allegheny Pittsburgh (Pa.) Rust Boiler Company     Kesselfabrik
Allegheny Pittsburgh (Pa.) S. D. Hubbard & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) S. Reynolds     Eisengießerei
Allegheny Pittsburgh (Pa.) S. Severance     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Sable Iron and Nail Works     Walzwerk
Allegheny Pittsburgh (Pa.) Samuel Alcott     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Samuel Hare & Son     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Scott Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Sharpsburg Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Sheffield Steel Works     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Shoenberger & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Shoenberger Furnaces     Hochofenwerk
Allegheny Pittsburgh (Pa.) Shoenberger, Blair & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Singer, Nimick & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Sligo Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Smith & Minis     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Smith, Sutton & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Snowden Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Soho Furnace     Hochofenwerk
Allegheny Pittsburgh (Pa.) Soho Iron Mills     Walzwerk
Allegheny Pittsburgh (Pa.) Solar Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) South Fayette Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) South Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) South Pittsburgh Planing Mill Co.   Third Street Hobelwerk
Allegheny Pittsburgh (Pa.) South Side Gas Co.     Gaswerk
Allegheny Pittsburgh (Pa.) South West Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Spang, Chalfant & Co., Etna Rolling Mills Allegheny   Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Spencer, McKay & Co.   24th Street Brauerei
Allegheny Pittsburgh (Pa.) Spratt, Johnston & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Springdale Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Standard Gas Light Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Standard Nut Co. Birmingham   Maschinenfabrik
Allegheny Pittsburgh (Pa.) Star Fire Brick Works, Harbison & Walker   22th Street Ziegelwerk
Allegheny Pittsburgh (Pa.) Star Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Sterrett Light, Heat & Power Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Suburban Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Superior Iron Co., Richey, Herron & Co.     Eisenwerk
Allegheny Pittsburgh (Pa.) Superior Rolling Mill     Walzwerk
Allegheny Pittsburgh (Pa.) T. B. Steward & Son   43rd Street Kohlenhändler
Allegheny Pittsburgh (Pa.) T. Rephan & Co.     Kesselschmiede
Allegheny Pittsburgh (Pa.) The Pittsburgh Gas Co.     Gaswerk
Allegheny Pittsburgh (Pa.) The Pittsburgh Reduction Company     Aluminiumwerk
Allegheny Pittsburgh (Pa.) The Rust Engineering Co.     Bauunternehmung
Allegheny Pittsburgh (Pa.) The Wilson-Snyder Manufacturing Company   Ross Street Maschinenfabrik
Allegheny Pittsburgh (Pa.) Thomas Carlins Sons Co.   River Avenue 1610 Maschinenfabrik
Allegheny Pittsburgh (Pa.) Thompson Smokeless Fire Company     Kesselfeuerungsbau
Allegheny Pittsburgh (Pa.) Thompson, Epping & Carpenter, Keystone Steam Pump Works   Penn Avenue 882 Maschinenfabrik
Allegheny Pittsburgh (Pa.) Thos. Fisher & Co. Birmingham   Eisengießerei
Allegheny Pittsburgh (Pa.) Torrens Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Totten & Co., Fulton Foundry   24th Street Maschinenfabrik und Eisengießerei
Allegheny Pittsburgh (Pa.) Tradesmens National Bank   Wood Street Bank
Allegheny Pittsburgh (Pa.) Tranter Manufacturing Company   Water Street 105 Maschinenfabrik und -handel
Allegheny Pittsburgh (Pa.) U.S. Iron & Tin Plate Co.   First Avenue 124 Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Ulca Camera Corp.      
Allegheny Pittsburgh (Pa.) Union Chain Works, Reiter & Co.   29th Street Kettenfabrik
Allegheny Pittsburgh (Pa.) Union Forge and Iron Mills     Walzwerk
Allegheny Pittsburgh (Pa.) Union Iron Mills, Carnegie, Kloman & Co.     Fahrzeugfabrik
Allegheny Pittsburgh (Pa.) Union Light & Heat Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Union Planing Mill Company   18th Street 50 Hobelwerk
Allegheny Pittsburgh (Pa.) Union Switch and Signal Co.     Signalbauanstalt
Allegheny Pittsburgh (Pa.) Union Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) United Gas Fuel Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Upper St. Clair Township Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Utility Works     Eisengießerei
Allegheny Pittsburgh (Pa.) Valley Forge     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Vandergrift Building     Privathaus
Allegheny Pittsburgh (Pa.) Verona Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Vesuvius Iron Works     Walzwerk
Allegheny Pittsburgh (Pa.) Voigt, Mahood & Co.   Liberty Street 257 Handelsgeschäft
Allegheny Pittsburgh (Pa.) Vulcan Steam Boiler and Sheet Iron Works, James McNeil & Bro.   Railroad Street Kesselschmiede
Allegheny Pittsburgh (Pa.) W. A. Bunting     Maschinenfabrik
Allegheny Pittsburgh (Pa.) W. D. Kettenburgh 5. Bezirk Penn Street 428 Schlosserei und Installateur
Allegheny Pittsburgh (Pa.) W. Douglass & Sons   Carson Street 39+41 Kesselfabrik
Allegheny Pittsburgh (Pa.) W. Hamilton     Maschinenfabrik
Allegheny Pittsburgh (Pa.) W. J. Anderson & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) W. P. Townsend & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) W. Peak     Eisenwerk
Allegheny Pittsburgh (Pa.) W. S. Colwell & Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) W. W. Wallace   Liberty Street 319 Maschinenfabrik
Allegheny Pittsburgh (Pa.) Washington Beck   Sixteenth Street 56-60 Maschinenfabrik
Allegheny Pittsburgh (Pa.) Washington Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Washington Works     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Watson & Munroe     Kesselschmiede
Allegheny Pittsburgh (Pa.) Wayne Iron and Steel Works     Walzwerk
Allegheny Pittsburgh (Pa.) West Elizabeth Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) West Pittsburgh Gas Co.     Gaswerk
Allegheny Pittsburgh (Pa.) West Point Foundry, L. H. Smith & Co.     Eisengießerei
Allegheny Pittsburgh (Pa.) Western Pennsylvania Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Westinghouse Air Brake Company   Liberty Street Bremsenfabrik
Allegheny Pittsburgh (Pa.) Westinghouse Electric and Manufacturing Co. East Pittsburgh   elektrotechnische Fabrik
Allegheny Pittsburgh (Pa.) Westinghouse Electric Corporation     elektrotechnische Fabrik
Allegheny Pittsburgh (Pa.) Westinghouse Machine Company     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Westinghouse Steam Engine Co.     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Westmoreland & Cambria Natural Gas Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Wharton, Brothers & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Wilkin Light, Heat & Power Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) Wilkinsburg Gas & Oil Co.     Erdgas-Unternehmen
Allegheny Pittsburgh (Pa.) William Fisher   Pike Street Maschinenbauer
Allegheny Pittsburgh (Pa.) Wilson, Walker & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Winter & Epping     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Wm. A. Seiling   Beaver Avenue 141 Metzgerei
Allegheny Pittsburgh (Pa.) Wm. B. Scaife & Sons   First Street 119-121 Kesselschmiede, Stahlbau
Allegheny Pittsburgh (Pa.) Wm. Barnhill & Co.   Penn Street 20-26 Kesselschmiede
Allegheny Pittsburgh (Pa.) Wm. Clark & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Wm. D. Wood & Co.     Eisenwerks-Unternehmen
Allegheny Pittsburgh (Pa.) Wm. Graff & Co., Graff Tube Works     Röhrenwerk
Allegheny Pittsburgh (Pa.) Wm. McKee & Son.     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Wood & Brown     Maschinenfabrik
Allegheny Pittsburgh (Pa.) Woods & Linton     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Young & Murphy     Eisenwarenfabrik
Allegheny Pittsburgh (Pa.) Zug & Co.     Eisenwerks-Unternehmen
Allegheny Port Perry (USA) Turtle Creek Valley Water Company     Wasserwerk
Allegheny Rankin (Pennsylvania) Braddock Wire Company     Drahtwerk
Allegheny Rankin (Pennsylvania) Carrie Furnace Company     Hochofenwerk
Allegheny Sewickley (Pa.) Sewickley Gas Co.     Gaswerk
Allegheny Sewickley (Pa.) Sewickley Light & Heat Co.     Erdgas-Unternehmen
Allegheny Sewickley (Pa.) Sewickley Waterworks     Wasserwerk
Allegheny Sharpsburg (Allegh., Penn.) Citizens' Natural Gas Co.     Erdgas-Unternehmen
Allegheny Sharpsburg (Allegh., Penn.) Moorhead Brothers & Co.     Eisen- und Stahl-Hüttenwerk
Allegheny Sharpsburg (Allegh., Penn.) Perkins & Co., Mabel Furnace     Eisen- und Stahl-Hüttenwerk
Allegheny Sharpsburg (Allegh., Penn.) Sharpsburg and Etna Gas Co.     Gaswerk
Allegheny Shirland (Pennsylvania) Oakdale Gas Co.     Erdgas-Unternehmen
Allegheny Springdale (Pennsylvania) Springdale Power Plant     Elektrizitätswerk
Allegheny Tarentum (Pennsylvania) E. M. & R. S. P. McCall     Maschinenfabrik und Eisengießerei
Allegheny Tarentum (Pennsylvania) Harrison Gas Co.     Erdgas-Unternehmen
Allegheny Tarentum (Pennsylvania) Tarentum Gas Co.     Erdgas-Unternehmen
Allegheny Turtle Creek (Penn.) Turtle Creek Gas & Oil Co.     Erdgas-Unternehmen
Allegheny West Deer Township (USA) Enterprise Furnace     Hochofenwerk
Allegheny Woods Run (Penn.) Harbaugh, Mathias & Owens     Eisenwerks-Unternehmen
Allegheny Woods Run (Penn.) Superior Furnaces     Hochofenwerk
Armstrong Apollo (USA) Apollo Armstrong Heating & Gas Illuminating Co.     Erdgas-Unternehmen
Armstrong Apollo (USA) Apollo Gas Co.     Erdgas-Unternehmen
Armstrong Apollo (USA) Apollo Heating & Illuminating Gas Co.     Erdgas-Unternehmen
Armstrong Apollo (USA) Apollo Iron and Steel Company     Eisenwerk
Armstrong Apollo (USA) Apollo Light & Heat Co.     Erdgas-Unternehmen
Armstrong Apollo (USA) Iron City and Siberian Iron Works, Iron City Mill     Walzwerk
Armstrong Apollo (USA) Jack & Keltering     Eisengießerei
Armstrong Bradys Bend (USA) Brady's Bend Furnaces     Hochofenwerk
Armstrong Bradys Bend (USA) Brady's Bend Iron Co.     Maschinenfabrik und Eisengießerei
Armstrong Dee (Pennyslvania) Laughlin Light & Heating Co.     Eisenhütte und Erdgas-Unternehmen
Armstrong Eddyville (Pennsylvania) A. Glenn     Eisengießerei
Armstrong Elderton (USA) J. Craft     Eisengießerei
Armstrong Freeport (Pennsylvania) Freeport Distillery, A. Guckenheimer & Bros.     Brennerei
Armstrong Freeport (Pennsylvania) Freeport Gas Light Co.     Gaswerk
Armstrong Freeport (Pennsylvania) Wolfenden Bros. & Martin     Maschinenfabrik und Eisengießerei
Armstrong Kittanning (Penns.) Bethel Township Light & Heat Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Boggs Township Light & Heat Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Brown & Mosgrove     Eisenwerks-Unternehmen
Armstrong Kittanning (Penns.) Colwell, Mosgrove & Co.     Eisenwerks-Unternehmen
Armstrong Kittanning (Penns.) Consolidated Natural Gas Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Consumers' Natural Gas Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) East Franklin Township Light & Heat Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Gilpin Township Light & Heat Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Kittanning Gas Co.     Gaswerk
Armstrong Kittanning (Penns.) Kittanning Heat & Light Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Kittanning Township Heat & Light Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Manor Township Heat & Light Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Manorville Heat & Light Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) McKnight, Porter & Co.     Eisenwerks-Unternehmen
Armstrong Kittanning (Penns.) Monticello Furnace     Hochofenwerk
Armstrong Kittanning (Penns.) Pine Creek Furnace     Hochofenwerk
Armstrong Kittanning (Penns.) Rebecca Furnace     Hochofenwerk
Armstrong Kittanning (Penns.) Reliance Typewriter Company      
Armstrong Kittanning (Penns.) Robinson & Crawford     Eisengießerei
Armstrong Kittanning (Penns.) The Daugherty Typewriter Company      
Armstrong Kittanning (Penns.) Valley Rolling Mill     Walzwerk
Armstrong Kittanning (Penns.) Valley Township Fuel & Heat Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) West Franklin Township Fuel & Heating Co.     Erdgas-Unternehmen
Armstrong Kittanning (Penns.) Worthington Fuel and Heat Co.     Erdgas-Unternehmen
Armstrong Leechburg (Armstrong, Pa.) Iron City and Siberian Iron Works, Siberian Mill     Walzwerk
Armstrong Leechburg (Armstrong, Pa.) Kirkpatrick, Beale & Co.     Blechwalzwerk
Armstrong Mahoning (Armstong, Pa.) F. B. & A. Laughlin     Eisenwerks-Unternehmen
Armstrong Mahoning (Armstong, Pa.) Stewardson Furnace     Hochofenwerk
Armstrong Oakland (Armstrong, Pa.) J. A. Colwell & Co.     Eisenwerks-Unternehmen
Armstrong Oakland (Armstrong, Pa.) Mahoning Furnace     Hochofenwerk
Armstrong Parker City (Penn.) Keystone Natural Gas Co.     Erdgas-Unternehmen
Armstrong Parkers Landing (Pennsylvania) Bradley & Duff     Maschinenfabrik
Armstrong Parkers Landing (Pennsylvania) Hart & Smith     Maschinenfabrik
Armstrong Parkers Landing (Pennsylvania) Pew Heat & Light Co.     Erdgas-Unternehmen
Armstrong South Bethlehem (Pennsylvania) Northampton Iron Co.     Eisenwerks-Unternehmen
Armstrong Templeton (Pennsylvania) Armstrong Power Plant Reesedale Adrian Reesedale Road Elektrizitätswerk
Beaver Baden (Penn., USA)) Baden Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Beaver Falls Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Beaver Valley Power Plant     Elektrizitätswerk
Beaver Beaver (Pennsylvania) Borough Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Brighton Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Chippewa Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Citizens' Natural Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Fallston Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Freedom Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Heat and Light Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Industry Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Moon Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) New Brighton Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) New Sewickley Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Ohio Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Patterson Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Phillipsburg Gas Co.     Erdgas-Unternehmen
Beaver Beaver (Pennsylvania) Robinson Township Gas Co.     Erdgas-Unternehmen
Beaver Beaver Falls (Penns.) A. F. Wolff & Co.     Eisengießerei
Beaver Beaver Falls (Penns.) Abel Pedder & Co.     Eisenwerks-Unternehmen
Beaver Beaver Falls (Penns.) Acme-Keystone Manufacturing Company     Schreibmaschinenfabrik
Beaver Beaver Falls (Penns.) Beaver Falls Cutlery Co.     Eisenwarenfabrik
Beaver Beaver Falls (Penns.) Beaver Falls Gas Co.     Gaswerk
Beaver Beaver Falls (Penns.) Beaver Falls Steel Works     Stahlwerk
Beaver Beaver Falls (Penns.) Carnegie, Phipps & Co. Limited - Beaver Falls Mills     Eisen- und Stahl-Hüttenwerk
Beaver Beaver Falls (Penns.) Citizens' Natural Gas Co.     Erdgas-Unternehmen
Beaver Beaver Falls (Penns.) Emerson Saw Works, Ford, Emerson & Co.     Eisenwarenfabrik
Beaver Beaver Falls (Penns.) J. M. Fife & Co.     Eisengießerei
Beaver Beaver Falls (Penns.) Joseph Graff & Co.     Eisenwarenfabrik
Beaver Beaver Falls (Penns.) Keystone Driller Company     Maschinenfabrik
Beaver Beaver Falls (Penns.) Myers & Armer     Eisenwarenfabrik
Beaver Beaver Falls (Penns.) Reiter & Armor     Eisenwarenfabrik
Beaver Beaver Falls (Penns.) The Downie Pump Company     Maschinenfabrik
Beaver Beaver Falls (Penns.) Western File Works     Eisenwarenfabrik
Beaver Bridgewater () Bridgewater Gas Co.     Erdgas-Unternehmen
Beaver Fallston (Pennsylvania) J. W. Thornley     Eisengießerei
Beaver Fallston (Pennsylvania) Keystone Portable Steam Driller Co., Ltd.     Maschinenfabrik
Beaver Fallston (Pennsylvania) M. & S. H. Darrah     Maschinenfabrik und Eisengießerei
Beaver Fallston (Pennsylvania) W. P. Townsend & Co.     Eisenwerk und Drahtwarenfabrik
Beaver Freedom (Pennsylvania) McKasky & Kerr     Maschinenfabrik
Beaver Freedom (Pennsylvania) Snead & Co.     Maschinenfabrik
Beaver Homewood (Beaver, Pa.) Homewood Furnace     Hochofenwerk
Beaver Kendall (Penn. Tarport & Kendall Gas Light & Heat Co.     Erdgas-Unternehmen
Beaver Kendall (Penn. Union Gas Co.     Erdgas-Unternehmen
Beaver Koppel (USA) Arthur Koppel Company     Feldbahnfabrik
Beaver New Brighton (Pennsylvania) C. R. Tuttle     Maschinenfabrik
Beaver New Brighton (Pennsylvania) Citizens' Natural Gas Co.     Erdgas-Unternehmen
Beaver New Brighton (Pennsylvania) Downie Bros. & Nevin Ltd.     Maschinenfabrik
Beaver New Brighton (Pennsylvania) J. Thornley     Eisengießerei
Beaver New Brighton (Pennsylvania) Keystone Stove Works, Merrick & Co.     Eisengießerei
Beaver New Brighton (Pennsylvania) M. Darragh & Co.     Maschinenfabrik und Eisengießerei
Beaver New Brighton (Pennsylvania) New Brighton Cutlery Works     Eisenwarenfabrik
Beaver New Brighton (Pennsylvania) New Brighton Waterworks     Wasserwerk
Beaver New Brighton (Pennsylvania) T. C. White & Son     Brückenbauanstalt
Beaver New Brighton (Pennsylvania) W. P. Townsend & Co., Juniata Wire and Rivet Mills     Eisenwaren- und Drahtfabrik
Beaver Rochester (Pennsylvania) Pittsburgh National Plow Manufacturing Co.     Maschinenfabrik
Beaver Rochester (Pennsylvania) Rochester Heat & Light Co.     Erdgas-Unternehmen
Beaver Rochester (Pennsylvania) Rochester Natural Gas Co.     Erdgas-Unternehmen
Beaver Rochester (Pennsylvania) Rochester Tumbler Co.     Glasfabrik
Bedford Bedford (Pennsylvania) Bedford Waterworks     Wasserwerk
Bedford Bedford (Pennsylvania) P. H. Shires     Maschinenfabrik
Bedford Bedford (Pennsylvania) Shires & Jordan     Eisengießerei
Bedford Bloody Run (Pennsylvania) F. Felton     Eisengießerei
Bedford Bloody Run (Pennsylvania) J. A. Grump     Eisengießerei
Bedford Bloomfield (Bedford, Pa.) Bloomfield Furnace     Hochofenwerk
Bedford Everett (Penn.) Everett Furnace     Hochofenwerk
Bedford Everett (Penn.) Everett Waterworks     Wasserwerk
Bedford Hopewell (Pennsylvania) C. W. Ascheun     Eisengießerei
Bedford Hopewell (Pennsylvania) Hopewell Furnace     Hochofenwerk
Bedford Hopewell (Pennsylvania) Lowry, Eichelberger & Sons     Eisenwerks-Unternehmen
Bedford Riddlesburg (USA) Kemble Furnaces     Hochofenwerk
Bedford Saxton (Penn.) Saxton Furnaces     Hochofenwerk
Bedford Woodbury (Pennsylvania) Hetrick & Crotzer     Maschinenfabrik und Eisengießerei
Bedford Woodbury (Pennsylvania) J. Gordon     Maschinenfabrik
Bedford Woodbury (Pennsylvania) J. Snowden     Eisengießerei
Berks Bechtelsville (USA) Bechtelsville Iron Co.     Hochofenwerk
Berks Bernville (USA) Hoag, Kline & Co.     Maschinenfabrik und Eisengießerei
Berks Bernville (USA) Klahn & Son     Eisenwerk
Berks Birdsboro (USA) Birdsboro Nail Works     Walzwerk
Berks Birdsboro (USA) E. & G. Brooke     Eisenwerks-Unternehmen
Berks Birdsboro (USA) Hampton Furnace     Hochofenwerk
Berks Birdsboro (USA) Keystone Furnaces     Hochofenwerk
Berks Blandon (USA) Blandon Iron Co.     Walzwerk
Berks Blandon (USA) Blandon Rolling Mill Co., Limited     Eisenwerk
Berks Bowers (Penn.) Daniel S. Hunter     Eisenwerks-Unternehmen
Berks Bowers (Penn.) Sally Ann Furnace     Hochofenwerk
Berks Boyertown (USA) Brendlinger & Co.     Eisengießerei
Berks Boyertown (USA) J. Schaeler     Maschinenfabrik
Berks Charming Forge (USA) W. & B. F. Taylor     Eisengießerei
Berks Dale (Pennsylvania) A. Eltz     Schmiede
Berks Dale (Pennsylvania) Dale Forge, D. Schall     Schmiede
Berks Douglassville (Pennsylvania) Clingan & Buckley     Eisenwerks-Unternehmen
Berks Douglassville (Pennsylvania) H. F. Bush     Maschinenfabrik
Berks Douglassville (Pennsylvania) Hopewell Furnace     Hochofenwerk
Berks Exeter (Pennsylvania) Exeter Steam Forge, R. B. Seidel     Fahrzeugfabrik
Berks Exeter (Pennsylvania) Fairchance Iron Works     Maschinenfabrik
Berks Exeter (Pennsylvania) G. Meyer     Schmiede
Berks Exeter (Pennsylvania) Geo. W. Parell     Eisengießerei
Berks Exeter (Pennsylvania) J. Mowe     Schmiede
Berks Fleetwood (Pennsylvania) Fleetwood Foundry and Machine Shop     Maschinenfabrik und Eisengießerei
Berks Gingersville (Pennsylvania) Gingler, Herberling & Co.     Eisenwarenfabrik
Berks Gingersville (Pennsylvania) Schnader & Bro.     Eisenwarenfabrik
Berks Greshville (USA) Brendlinger & Co.     Eisengießerei
Berks Hamburg (Pennsylvania) B. Derr     Maschinenfabrik und Eisengießerei
Berks Hamburg (Pennsylvania) G. A. Hander     Maschinenfabrik
Berks Hamburg (Pennsylvania) G. A. Xander     Maschinenfabrik
Berks Hamburg (Pennsylvania) Hamburg Iron Works     Walzwerk
Berks Hamburg (Pennsylvania) Keystone Foundry, Seivert & Stahlnecker     Maschinenfabrik und Eisengießerei
Berks Jacksonwald (USA) Exeter Forge     Eisenhammer
Berks Jacksonwald (USA) Morgan J. Althouse     Eisenwerks-Unternehmen
Berks Joanna Furnace (USA) Joanna Furnace     Hochofenwerk
Berks Joanna Furnace (USA) L. B. Smith & Co.     Eisenwerks-Unternehmen
Berks Kutztown (Pennsylvania) Kutztown Foundry & Machine Co.     Gießerei und Maschinenfabrik
Berks Kutztown (Pennsylvania) Kutztown Furnace     Hochofenwerk
Berks Kutztown (Pennsylvania) Kutztown Iron Co.     Eisenwerks-Unternehmen
Berks Kutztown (Pennsylvania) Zehm & Bro.     Maschinenfabrik und Eisengießerei
Berks Leesport (USA) Leesport Iron Co.     Hochofenwerk
Berks Lenhartsville (USA) Heirs of George Merkel     Eisenwerks-Unternehmen
Berks Lenhartsville (USA) Maiden Creek Furnace     Hochofenwerk
Berks Lobachsville (USA) W. S. Reinart     Maschinenfabrik
Berks Longswamp (USA) Horatio Trexler     Eisenwerks-Unternehmen
Berks Longswamp (USA) Mary Ann Furnace     Hochofenwerk
Berks Lyons (Penn.) East Penn Iron Co.     Hochofenwerk
Berks Mohns Store (Pennsylvania) F. Schnader     Eisenwarenfabrik
Berks Mohns Store (Pennsylvania) H. Warley     Eisenwarenfabrik
Berks Mohns Store (Pennsylvania) M. Yosum     Schmiede
Berks Monocacy (USA) Monocacy Iron Co.     Hochofenwerk
Berks Moselem (USA) Moselem Iron Co.     Hochofenwerk
Berks North Reading (Penn.) Carpenter Steel Co.   Exeter Street Stahlwerk
Berks Pine Forge (USA) Joseph L. Bailey & Co.     Eisenwerks-Unternehmen
Berks Pine Forge (USA) Pine Iron Works     Walzwerk
Berks Reading (Pennsylvania) A. H. Yokum & Company     Machinenfabrik
Berks Reading (Pennsylvania) Addison & Warren     Maschinenfabrik und Eisengießerei
Berks Reading (Pennsylvania) Boss Knitting Machine Works     Maschinenfabrik
Berks Reading (Pennsylvania) Darling, Taylor & Co.     Gießerei und Maschinenfabrik
Berks Reading (Pennsylvania) Davis H. Dotterer & Company     Lokomotiv- und Maschinenfabrik
Berks Reading (Pennsylvania) Eckert & Bro.     Eisenwerks-Unternehmen
Berks Reading (Pennsylvania) F. J. Obert, Union Boiler Works     Kesselschmiede
Berks Reading (Pennsylvania) Franklin Iron Works     Eisengießerei
Berks Reading (Pennsylvania) Gibraltar Iron Works     Walzwerk
Berks Reading (Pennsylvania) Griscom Lock Works, D. J. Young & Co.     Schloßfabrik
Berks Reading (Pennsylvania) H. Tragle     Eisenwarenfabrik
Berks Reading (Pennsylvania) Henry Clay Furnaces     Hochofenwerk
Berks Reading (Pennsylvania) Hunsicker & Co.     Eisenwerks-Unternehmen
Berks Reading (Pennsylvania) International Money Machine Company      
Berks Reading (Pennsylvania) J. B. Daniels      
Berks Reading (Pennsylvania) J. H. Sternbergh, Reading Rolling Mill and Forge     Maschinenfabrik
Berks Reading (Pennsylvania) J. O. Hall     Maschinenfabrik
Berks Reading (Pennsylvania) J. R. Keppleman     Eisengießerei
Berks Reading (Pennsylvania) John G. Xander     Machinenfabrik?
Berks Reading (Pennsylvania) Keystone Furnace Co.     Hochofenwerk
Berks Reading (Pennsylvania) Keystone Iron Works     Walzwerk
Berks Reading (Pennsylvania) L. K. Moore     Eisenwarenfabrik
Berks Reading (Pennsylvania) L. Neudorffer     Drahtwaren
Berks Reading (Pennsylvania) M. Yocum     Schmiede
Berks Reading (Pennsylvania) Meteor Engineering Co.   Cherry Street 753 Maschinenfabrik
Berks Reading (Pennsylvania) Millerts & Kinsey, West Reading Boiler and Machine Works     Maschinenfabrik und Kesselschmiede