| Business | Phone |
| Century Fasteners Corp 6955 Camino Maquiladora, San Diego 92154 | (619) 710-0026 |
| Allied Fasteners Inc 10890 Thornmint Rd, San Diego 92127 | (858) 451-3001 |
| Rpi San Diego 92139 | (619) 470-3031 |
| Questron Distribution Logistic 7825 Trade St # 100, San Diego 92121 | (858) 577-0200 |
| Fastenal Co 7868 Raytheon Rd, San Diego 92111 | (858) 654-0460 |
| Fastenal Co 8156 Miramar Rd, San Diego 92126 | (858) 831-0210 |
| Hayes Bolt & Supply 2950 National Ave, San Diego 92113 | (619) 231-5966 |