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

Select Neighborhood

184 results
Location Area Address
Republic Steel/LTV Steel Beaver Falls --
Riter-Conley Mfg. Co. PittsburghNorth Side --
Riter-Conley Mfg. Co., Leetsdale --
Robinson Rea & Co Mfg PittsburghSouth Side --
Rosedale Foundry PittsburghNorth Side --
Sable Iron & Nail Works PittsburghStrip District --
Schoen Steel Wheel Co/USS Wheel & Axle McKees Rocks --
Sharpsburg Foundry Sharpsburg --
Sheffield Rolling Mill/Sheffield Steel Works/Singer, Nimick Works, Crucible Steel Co. --
Shoenberger Furnaces/Shoenberger Works/American Steel & Wire/US Steel PittsburghStrip District --
Shoenberger Works PittsburghStrip District --
Siberian Iron Work/Leechburgh Works, USS Leechburg --
Sligo Iron Works PittsburghSouth Side --
Snyder Coal Co. Wilkinsburg --
Soho Iron Mills PittsburghSouth Oakland --
Solar Iron Works PittsburghLawrenceville --
Spang Steel & Iron Works Etna --
Spang-Chalfant Supply Co., Ambridge Ambridge --
Springfield Foundry Co. PittsburghStrip District --
Standard Chain Co Braddock --
Standard Steel Propeller Co. --
Standard Steel Spring Coraopolis --
Star Iron Works PittsburghNorth Side --
Star Tin Plate Co./Star Works, American Sheet & Tin Plate Co/Carnegie Steel Co./US Steel PittsburghStrip District --
Stella Stove Works PittsburghStrip District --
Sterling Steel Foundry Co. Braddock --
Sterrott-Thomas Foundry Co. PittsburghStrip District --
Structural & Sheet Iron Works Oakmont --
Superior Furnaces PittsburghNorth Side --
Superior Steel Co. Carnegie --