| Business | Phone |
| Magnum Steel 19031 Parthenia St, Northridge 91324 | (818) 701-5095 |
| Sal's Welding 18641 Parthenia St, Northridge 91324 | (818) 718-2672 |
| Gulfstream Manufacturer Group Inc 18339 Eddy St, Northridge 91325 | (818) 886-6433 |
| Welding Works 18257 Parthenia St, Northridge 91325 | (818) 701-1717 |
| Weld Shoppe 16756 Marilla St, Northridge 91343 | (818) 895-8275 |