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

61 results
Location Area Address
Third Avenue Foundry PittsburghDowntown --
Tippins Inc. Etna --
Totten & Hogg Iron & Steel Foundry PittsburghStrip District --
Townsend Steel/Col-Fin Specialty Steel Fallston --
Tube City Iron & Metal Co. Glassport --
Union Electric Steel Corp. Carnegie 726 Bell Avenue Carnegie, PA 15106-1137
Union Furnace --
Union Malleable Iron Works PittsburghNorth Side --
Union Mills, Carnegie Steel Co. PittsburghLawrenceville --
Union Steel Casting Co., Blaw-Knox PittsburghLawrenceville --
Union Switch & Signal Co. Swissvale --
United Engineering & Foundry Co. --
United Engineering & Foundry Co. PittsburghLawrenceville --
United States Iron & Tin Plate Works/ McKeesport Tin Plate Co. McKeesport --
Universal Cyclops Bridgeville --
Universal Stainless Bridgeville 600 Mayer Street Bridgeville, PA 15017
Vagle Foundry & Machine Co./Lawrence Steel Casting Co. PittsburghStrip District --
Vandergrift Works, Apollo Iron & Steel/US Steel/Allegheny Ludlum Vandergrift 130 Lincoln Avenue Vandergrift, PA 15690-1249
Verona Tool Works Verona --
Vesuvius Rolling Mill/Vesuvius Iron Works/Vesuvius Iron & Nail Works Etna --
Vulcan Iron Works/ Lockhart Iron & Steel Co. McKees Rocks --
Vulcan Mold & Iron Co. --
W. A. Young and Sons Foundry and Machine Shop 116 Water Street, Rices Landing, PA
W. D. Wood & Co./ W. Dewees Wood Co. --
Washington Plant, Jessop Steel Co./Allegheny Ludlum Washington --
Washington Steel Corp/Washington Plant, Blount Inc./Washington Steel Corp, Mercury Stainless Corp. Washington --
Wayne Iron & Steel Works PittsburghDowntown --
West Penn Steel Works PittsburghNorth Side --
West Point Boiler Works PittsburghDowntown --
West Point Foundry PittsburghDowntown --