This virtual exhibit shows the intense concentration of both large and small mills that once dominated the landscape of southwestern PA. Search the map to find the locations of mills, coke ovens, and foundries as they stood in different points in history. Click on a mill icon to learn more about that site.

Show Mills by Era

Steel Footprints

A Virtual Tour of the Pittsburgh Industrial District, 1750 – Present

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347 results
Location Area Address
Cold Rolled Steel Co. --
Colonial Plant, Teledyne-Vasco Monaca --
Columbia Steel & Shafting Co./Teledyne Columbia-Summerill Carnegie --
Commercial Steel Corp. Glassport --
Cool Spring Furnace --
Copperweld Steel Glassport --
Crescent Steel Works PittsburghLawrenceville --
Crucible Steel PittsburghStrip District --
Crucible Steel, Midland 950 Tenth Street Midland, PA 15059-1696
Damascus Nickel Steel Works/Damascus Tool Steel Co. --
Damascus Steel Casting Co. New Brighton --
Davidson Coal Co. PittsburghLarimer --
DeHaven Stove Works --
Dexter Spring Works Verona --
Diamond Foundry PittsburghNorth Side --
Dilworth, Porter & Co. PittsburghSouth Side --
Donora Steel Works, American Steel & Wire/US Steel Donora --
Dravo/Frontier Steel Co. Neville Island --
Duferco-Farrell Steel Co. --
Duquesne Co. Tin Plate PittsburghSouth Side --
Duquesne Forge Co. Rankin --
Duquesne Lime and Coke Co. Coke Ovens PittsburghNorth Side --
Duquesne Rolling Mill PittsburghStrip District --
Duquesne Works Duquesne --
Eagle Malleable Iron Foundry PittsburghStrip District --
Eagle Rolling Mill & Tube Works --
Edgar Thomson Works Braddock 13th Street and Braddock Avenue Braddock, PA 15104
Edgewater Steel Oakmont --
Edith Furnace PittsburghNorth Side --
Eichleay Corp. PittsburghSouth Side 33 S. 19th St. Pittsburgh, PA 15203