| Business | Phone |
| D S Welding 9444 Irondale Ave, Chatsworth 91311 | (818) 727-9353 |
| Aero-Cert Specialties 10061 Canoga Ave, Chatsworth 91311 | (818) 882-6606 |
| Fab-Tech Custom Fabricating 9773 Variel Ave, Chatsworth 91311 | (818) 998-1262 |
| Jaytech Fabrication & Welding 9833 Deering Ave # K, Chatsworth 91311 | (818) 709-7863 |
| Loren Spangler Racing 10041 1/2 Canoga Ave, Chatsworth 91311 | (818) 886-3736 |
| Smith's Welding 10009 Canoga Ave, Chatsworth 91311 | (818) 709-4620 |