| Business | Phone |
| A Plus Sheet Metal Fabricators 1226 Firestone Blvd, Los Angeles 90001 | (323) 585-0333 |
| S & P Steel Inc 2623 Medford St, Los Angeles 90033 | (323) 222-8860 |
| Coltrin Inc 4466 Worth St, Los Angeles 90063 | (323) 266-6872 |
| Solid Steel Inc 4509 Alger St, Los Angeles 90039 | (818) 244-2788 |