| Business | Phone |
| F J & Ms Baur San Diego 92121 | (858) 455-9093 |
| Science Applications Intl Corp 10260 Campus Point Dr, San Diego 92121 | (858) 546-6000 |
| San Diego Instruments 7758 Arjons Dr, San Diego 92126 | (858) 530-2600 |
| Research Instruments Intl 7887 Dunbrook Rd # E, San Diego 92126 | (858) 689-1100 |
| Physiologic Instruments Inc 12335 World Trade Dr # 6, San Diego 92128 | (858) 451-8845 |
| Jenco Instruments 7968 Arjons Dr # C, San Diego 92126 | (858) 578-2828 |