| Business | Phone |
| Associated Products 10883 Thornmint Rd, San Diego 92127 | (858) 673-0988 |
| Aztec Bolt & Nut Inc 318 16th St, San Diego 92101 | (619) 696-6844 |
| De Barry Distributing 5034 Maynard St, San Diego 92122 | (858) 452-1138 |
| Mesa Fastener Inc 6496 Marindustry Dr # B, San Diego 92121 | (858) 587-9592 |
| Industrial Threaded Prod Inc 8333 Arjons Dr # C, San Diego 92126 | (858) 635-5533 |