| Business | Phone |
| D R Gaumer Metal Fabrication 589 N Krocks Rd, Allentown 18106 | (610) 395-5101 |
| Gateway Industrial Svc 805 Harrison St, Allentown 18103 | (610) 433-2100 |
| Laub's Welding & Fabrications 630 E Cedar St, Allentown 18109 | (610) 439-8331 |
| M T Welding 2854 Lehigh St, Allentown 18103 | (610) 791-3674 |
| Nash Welding 1919 Walbert Ave, Allentown 18104 | (610) 437-1042 |
| Tretter Welding & Maintenance 3829 Maple St, Allentown 18104 | (610) 799-2349 |