| Business | Phone |
| Circuit Board Sources 7961 Sentinel, San Diego 92127 | (858) 695-9376 |
| Advanced Group San Diego 92110 | (619) 276-7726 |
| San Diego Pcb Inc 11972 Zirbel Way, San Diego 92131 | (858) 271-5722 |
| Proto Qwik 7950 Silverton Ave # 106, San Diego 92126 | (858) 578-9242 |
| Pacific Design Specialists 5230 Carroll Canyon Rd # 102, San Diego 92121 | (858) 450-1672 |
| Northwest Circuits 8660 Avenida Costa Blanca, San Diego 92154 | (619) 661-1701 |
| Moore Printed Circuits 6750 Nancy Ridge Dr, San Diego 92121 | (858) 678-0600 |
| Major Scientific Industries 1825 Thor St, San Diego 92113 | (619) 232-9774 |
| Via Telecom 3390 Carmel Mountain Rd, San Diego 92121 | (858) 350-5560 |