| Business | Phone |
| Mechanized Engineering Systems 739 E 223rd St, Carson 90745 | (310) 830-9763 |
| Power Engineering Industries 1117 E Janis St, Carson 90746 | (310) 763-1524 |
| I & I Industries 2659 E Carson St, Carson 90810 | (310) 835-6944 |
| Centron Industries Inc 20760 Leapwood Ave, Carson 90746 | (310) 324-6443 |
| Ka Industries 16803 Central Ave, Carson 90746 | (310) 668-2100 |