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
Homestead Steel Works Homestead --
Homestead Valve Manufacturing Co. --
Hostetter Foundry & Machine Shop PittsburghDowntown --
Housman & Wimmer Co. Scrap Iron Carnegie --
Howard Axle Work, Carnegie Steel/US Steel West Homestead --
Hubbard & Co Foundry PittsburghLawrenceville --
Hunter Saw & Machine Co. --
Hussey & Co. Iron PittsburghStrip District --
Hyde Park Foundry and Machine Co. Hyde Park 326 1st Avenue Hyde Park, PA
Hydraulic Pressed Steel Co. --
Independent Bridge Co. Neville Island --
Iron & Steel Band Works PittsburghStrip District --
Iron Bedstead Works PittsburghStrip District --
Iron City Foundry PittsburghStrip District --
Irvin Works, US Steel Dravosburg --
Isabella Furnace Etna --
J. Ralston Foundry PittsburghStrip District --
J. Thomson & Co. Boiler Works PittsburghDowntown --
J.B. Jones & Co. Iron & Steel PittsburghNorth Side --
Jackson Foundry PittsburghDowntown --
John Eickleay Jr. Co Structural Iron Works PittsburghSouth Side --
Jones & Laughlin Eliza Furnaces PittsburghHazelwood --
Jones & Laughlin, Second Ave. Works --
Jones & Laughlin, South Side PittsburghSouth Side --
Jones & Laughlin, Aliquippa Works/LTV --
Joseph McClurg Iron Foundry PittsburghDowntown --
Juniata Rolling Mill PittsburghNorth Side --
Keller Bros. & Sampson Coal Co. Wilkinsburg --
Kensington Rolling Mill/Iron Works PittsburghDowntown --
Kerotest Manufacturing Corp. 5500 2nd Avenue Pittsburgh, PA 15207