| Business | Phone |
| Signal Engineering Inc 6370 Lusk Blvd # F206, San Diego 92121 | (858) 552-8131 |
| Remec Components Engineering 9404 Chesapeake Dr, San Diego 92123 | (858) 560-1301 |
| Performance Technologies Inc 4669 Murphy Canyon Rd # 250, San Diego 92123 | (858) 627-1700 |
| Patriot Scientific Corp 10989 Via Frontera, San Diego 92127 | (858) 674-5000 |
| Path 1 Network Technologies 6215 Ferris Sq # 140, San Diego 92121 | (858) 450-4220 |
| Nuera Communications Inc 10445 Pacific Center Ct, San Diego 92121 | (858) 625-2400 |