| Business | Phone |
| Bates & Miller Technologies 7829 Hamilton Ave, Pittsburgh 15208 | (412) 241-4180 |
| Clifton Steel Co 328 Linden Ave, Pittsburgh 15215 | (412) 331-4888 |
| Cooperheat-Mqs Inc 4525 Campbells Run Rd, Pittsburgh 15205 | (412) 787-8690 |
| Metal Treating Co 4905 Butler St, Pittsburgh 15201 | (412) 621-4328 |
| Pittsburgh Metal Processing Co 1850 Chapman St, Pittsburgh 15215 | (412) 781-8053 |
| Weld-Met Intl Inc 36th St & Allegheny Valley Rramp;, Pittsburgh 15201 | (412) 682-5510 |