| Business | Phone |
| Acme Metals Co 3000 Grand Ave, Pittsburgh 15225 | (412) 331-4300 |
| Acme Roofing & Heating Co 1600 Noblestown Rd, Pittsburgh 15205 | (412) 921-8218 |
| Bishop Metals Inc 422 Hays Ave, Pittsburgh 15210 | (412) 481-5501 |
| Choi Enterprises 631 Burton Dr, Pittsburgh 15235 | (412) 243-6559 |
| Impsa Intl 1910 Cochran Rd # 536, Pittsburgh 15220 | (412) 344-7003 |
| J B Kintner & Sons Inc 4 Shadow Ln, Pittsburgh 15238 | (412) 963-8222 |
| Kutz Fabricating Inc 4000 Windgap Ave, Pittsburgh 15204 | (412) 771-9353 |
| Long Walter Manufacturer Co 1315 Bingham St, Pittsburgh 15203 | (724) 348-6631 |
| Marstrand Industries Inc 12 Rutgers Rd, Pittsburgh 15205 | (412) 921-1511 |
| Nicholas J Bouras Inc 1 Parkway Ctr # 216, Pittsburgh 15220 | (412) 937-4040 |
| Pittsburgh Annealing Box Co 1300 Brighton Rd # 200, Pittsburgh 15233 | (412) 231-5877 |
| Pittsburgh Fabrication & Mach 3100 Grand Ave, Pittsburgh 15225 | (412) 771-1400 |
| Russell Rolls Inc 2217 Preble Ave, Pittsburgh 15233 | (412) 321-6623 |
| Seech Industries Inc 1225 Saxonwald Ave, Pittsburgh 15234 | (412) 881-5900 |
| Steel City Svc Inc 111 Grandview Ave, Pittsburgh 15211 | (412) 381-6610 |
| Titusville Fabricators 221 7th St # 303, Pittsburgh 15238 | (412) 826-8140 |
| U S Superstuff Steel Rj Industrial Park, Pittsburgh 15212 | (412) 323-9969 |
| Vautid 2101 Greentree Rd, Pittsburgh 15220 | (412) 429-3288 |
| Vidplate Usa 2101 Greentree Rd # A113, Pittsburgh 15220 | (412) 429-8150 |
| Vulcan Industries 5900 Grand Ave, Pittsburgh 15225 | (412) 269-7655 |