| Business | Phone |
| A Milne & Co 4234 Campbells Run Rd, Pittsburgh 15205 | (412) 429-0600 |
| Brentwood Steel Products Co 946 Baldwin Rd, Pittsburgh 15207 | (412) 462-8721 |
| Casey Equipment Co 275 Kappa Dr, Pittsburgh 15238 | (412) 963-1111 |
| Castle Metals 1330 Old Freeport Rd # 2a, Pittsburgh 15238 | (412) 751-6322 |
| Federal Alloy Corp 2740 Smallman St, Pittsburgh 15222 | (412) 232-3990 |
| Freeport Steel Co 464 Walnut St, Pittsburgh 15238 | (412) 820-7040 |
| Steel Sales 300 Mount Lebanon Blvd # 308, Pittsburgh 15234 | (412) 341-7121 |