| Business | Phone |
| Park Steel Co 515 E Pine St, Compton 90222 | (310) 638-6101 |
| R & D Steel Inc 1136 S Santa Fe Ave, Compton 90221 | (310) 631-6183 |
| Blue Steel Productions Co Compton 90221 | (310) 639-8883 |
| Cal State Steel Corp 1801 W Compton Blvd, Compton 90220 | (310) 632-2772 |