| Business | Phone |
| A 1 Metal Products Inc 2707 Supply Ave, Los Angeles 90040 | (323) 721-3334 |
| Able Sheet Metal Products 614 N Ford Blvd, Los Angeles 90022 | (323) 269-2181 |
| Angelus Sheet Metal & Plumbing 4800 Valley Blvd, Los Angeles 90032 | (323) 221-6111 |
| Are Metal Fabricators 1708 E 61st St, Los Angeles 90001 | (323) 585-4212 |
| California Metal Shaping 1704 Hooper Ave, Los Angeles 90021 | (213) 749-5542 |
| Crescent Metal Products 3525 E 16th St, Los Angeles 90023 | (323) 264-1800 |
| Jarlan Manufacturing Co 8701 Avalon Blvd, Los Angeles 90003 | (323) 752-1211 |
| Lynntone Tool & Die Inc 11631 Exposition Blvd, Los Angeles 90064 | (310) 479-8240 |
| M & C Manufacturing Co 3021 Verdugo Rd, Los Angeles 90065 | (323) 221-9147 |
| Salsbury Industries 1010 E 62nd St, Los Angeles 90001 | (323) 846-6700 |
| Metalfab 616 E 55th St, Los Angeles 90011 | (323) 233-9663 |
| Sellars Products Inc 4520 Doran St, Los Angeles 90039 | (323) 245-1841 |