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.

Steel Footprints

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

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184 results
Location Area Address
Pittsburgh Malleable Iron Co. PittsburghLawrenceville --
Pittsburgh Manufacturing Co. PittsburghStrip District --
Pittsburgh Reinforced Brazing & Machine Co. PittsburghStrip District Liberty Ave., near 26th St.
Pittsburgh Rolling Mill PittsburghDowntown --
Pittsburgh Screw & Bolt PittsburghStrip District --
Pittsburgh Screw & Bolt Co. PittsburghNorth Side --
Pittsburgh Spring & Steel Co./Spring Division, Crucible Steel PittsburghLawrenceville --
Pittsburgh Steel Box Co. Bridgeville --
Pittsburgh Steel Casting Co --
Pittsburgh Steel Co. Monessen --
Pittsburgh Steel Construction Co. Ambridge --
Pittsburgh Steel Foundry Glassport --
Pittsburgh Steel Shafting Co Rankin --
Pittsburgh Steel Supply Co. PittsburghNorth Side --
Pittsburgh Steel Works PittsburghDowntown --
Pittsburgh Steel Works, Anderson DuPuy/American Steel Works/Anderson DuPuy Works, Crucible Steel McKees Rocks --
Pittsburgh Stove & Range Co. PittsburghNorth Side --
Pittsburgh Tool Steel Monaca --
Pittsburgh Tube Co/Babcock & Wilcox Tube/Koppel Steel Monaca --
Pittsburgh Valve & Foundry Co. --
Pittsburgh-Des Moines Steel, Neville Island Neville Island --
Porter Foundry & Machine Co. PittsburghNorth Side --
Pressed Steel Car Co. PittsburghNorth Side --
Pressed Steel Car Co., McKees Rocks McKees Rocks --
Pressed Steel Car Co., McKees Rocks --
Railway Spring Co. PittsburghStrip District --
Reduction Works New Kensington
Reliance Steel Products Co. PittsburghNorth Side --
Republic Steel Beaver Falls --
Republic Steel, Jacob’s Creek --