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.
A Virtual Tour of the Pittsburgh Industrial District, 1750 – Present
| Location | Area | Address |
|---|---|---|
| 3rd Avenue Foundry | PittsburghDowntown | -- |
| A.J. Nellis & Co. Irons and Steels | PittsburghNorth Side | -- |
| Allegheny Foundry Co. | PittsburghNorth Side | -- |
| Allegheny Iron Works | PittsburghNorth Side | -- |
| Allegheny Ludlum, Brackenridge | Brackenridge | 100 River Road Brackenridge, PA 15014-1597 |
| Allegheny Ludlum, West Leechburg | West Leechburg | -- |
| Alliance Iron Works | -- | |
| Allis-Chalmers Mfg. | PittsburghNorth Side | -- |
| AM Byers & Co | PittsburghSouth Side | -- |
| AM Byers, Ambridge | Ambridge | -- |
| Ambridge Plant, American Bridge Co. | Ambridge | -- |
| American Axe & Tool Co. | Glassport | -- |
| American Die & Forge Co. | Rankin | -- |
| American Foundry & Construction Co. | PittsburghHazelwood | -- |
| American Nut & Bolt Fastener Co. | PittsburghNorth Side | -- |
| American Shear Knife Company | Homestead | 501 West Seventh Avenue Homestead, PA 15120 |
| American Steel & Wire Co. | -- | |
| American Steel & Wire Co. | PittsburghNorth Side | -- |
| American Steel Band Co. | PittsburghNorth Side | -- |
| American Steel Foundries | PittsburghLawrenceville | -- |
| Anderson & Potter | Near Mazeroski Way and W. General Robinson Allegheny City, PA | |
| Apollo Steel Co. | Apollo | -- |
| Atlas Foundry & Machine Works | PittsburghStrip District | -- |
| Baeuerlein Bros. & Co. Foundry | Millvale | -- |
| Baird Machine Co. | PittsburghStrip District | -- |
| Banson Boiler Works | PittsburghDowntown | -- |
| Barrett Machine Co. | PittsburghNorth Side | -- |
| Barrett Mfg. Co. | -- | |
| Berlin Foundry | PittsburghHill District/Uptown | -- |
| Birmingham Coal Co. | -- |
