| Business | Phone |
| Bext Inc 1045 10th Ave, San Diego 92101 | (619) 239-8462 |
| Radyne Com Stream Inc 6340 Sequence Dr, San Diego 92121 | (858) 458-1800 |
| Cohu Electronics Div 3912 Calle Fortunada, San Diego 92123 | (858) 277-6700 |
| Fox Office Products 9235 Chesapeake Dr # F, San Diego 92123 | (858) 274-8150 |