| Business | Phone |
| Allied Steel Co 8705 Crocker St, Los Angeles 90003 | (323) 750-1141 |
| Besteel Fabrication Inc 370 S Anderson St, Los Angeles 90033 | (323) 262-6424 |
| Consolidated Fabricators Corp 4848 S Santa Fe Ave, Los Angeles 90058 | (323) 586-4535 |
| Consolidated Metal & Supply 4600 S Santa Fe Ave, Los Angeles 90058 | (323) 586-4500 |
| Cross Brothers Inc 5255 Sheila St, Los Angeles 90040 | (323) 266-2000 |
| Csm Metal Fabricating & Engr 1800 S San Pedro St, Los Angeles 90015 | (213) 748-7321 |
| Ghonim Steel Co Inc 8800 Mettler Ave, Los Angeles 90003 | (323) 751-8120 |
| Haas Investments 6161 S Alameda St, Los Angeles 90001 | (323) 584-1790 |
| Kruse Metals Manufacturer Co 1330 Channing St, Los Angeles 90021 | (213) 624-3216 |
| M5 Steel Corp 1450 Mirasol St, Los Angeles 90023 | (323) 263-9383 |
| Repco Heat Transfer 1625 Naud St, Los Angeles 90012 | (323) 222-1010 |
| Research Metal Industries Inc 6065 S Western Ave, Los Angeles 90047 | (323) 753-3771 |
| Techno Cut Steel Fabricators 1625 Naud St, Los Angeles 90012 | (323) 222-2289 |
| Young Star Iron 6217 Wilmington Ave, Los Angeles 90001 | (323) 588-3171 |
| Pacific Iron Fabrication 1927 Mateo St, Los Angeles 90021 | (213) 427-9555 |
| Fleming Metal Fabricators 2810 Tanager Ave, Los Angeles 90040 | (323) 723-8203 |
| Quality Steel Fabricators 8750 Mettler Ave, Los Angeles 90003 | (323) 752-3208 |
| Hughes Steel Fabrication 5443 W San Fernando Rd, Los Angeles 90039 | (818) 242-1042 |
| Mas Iron Corp 1850 E 61st St, Los Angeles 90001 | (323) 973-9100 |
| Pacific Iron Fabrication 330 W 58th St, Los Angeles 90037 | (323) 365-0131 |
| United Metal Fabricators 1929 Blake Ave, Los Angeles 90039 | (323) 666-8801 |