| Business | Phone |
| Beatty Welding Co 3406 Babcock Blvd, Pittsburgh 15237 | (412) 364-0691 |
| G K Welding 505 Kellingwood Dr, Pittsburgh 15238 | (412) 767-5096 |
| Houston Cast Technologies Inc 2 Sedgwick St, Pittsburgh 15209 | (412) 821-0999 |
| Murslack Welding 369 Rochester Rd, Pittsburgh 15237 | (412) 364-5554 |
| South Side Welding Inc 5030 Gloster St, Pittsburgh 15207 | (412) 422-9353 |
| Williams Welding Alloys 1501 Reedsdale St # 300, Pittsburgh 15233 | (412) 231-3811 |