| Business | Phone |
| Audio Video Workshop 2216 Cable St, San Diego 92107 | (619) 225-0333 |
| Basic Research Corp 9265 Dowdy Dr, San Diego 92126 | (858) 547-1000 |
| Bel Fuse Inc 17180 Bernardo Center Dr, San Diego 92128 | (858) 676-9650 |
| Biomagnetic Technologies Inc 9727 Pacific Heights Blvd, San Diego 92121 | (858) 453-6300 |
| Brimes International 2310 Michael Faraday Dr, San Diego 92154 | (619) 661-1774 |
| California Power Research Inc 9275 Trade Pl # A, San Diego 92126 | (858) 530-1515 |
| Captronix Corp 9265 Dowdy Dr, San Diego 92126 | (858) 530-1490 |
| Crescent Design Inc 9932 Mesa Rim Rd # B, San Diego 92121 | (858) 452-3240 |
| Denstronics 7886 Convoy Ct, San Diego 92111 | (858) 467-9410 |
| Eaton Corp 2721 29th St, San Diego 92104 | (619) 281-2690 |
| A Squared Technologies San Diego 92126 | (858) 536-9399 |
| Service Industry Assn 2164 Historic Decatur Rd, San Diego 92106 | (619) 221-9200 |
| Sdrc 6885 Flanders Dr # Ab, San Diego 92121 | (619) 294-7372 |
| Select-A-System 4536 W Point Loma Blvd, San Diego 92107 | (619) 222-5980 |
| Research & Development 8810 Rehco Rd, San Diego 92121 | (858) 558-2133 |
| Qualsense Llc 11772 Sorrento Valley Rd, San Diego 92121 | (858) 793-1299 |
| Pioneer Digital Technologies 6170 Cornerstone Ct E, San Diego 92121 | (858) 824-0790 |
| Contact East Inc 6948 Camino Degrazia, San Diego 92111 | (858) 292-1383 |
| Copeland Engineering 1330 30th St # G, San Diego 92154 | (619) 575-4600 |
| Dexter Corp 9938 Via Pasar, San Diego 92126 | (858) 695-1716 |
| National Semiconductor Corp 10105 Pacific Heights Blvd, San Diego 92121 | (858) 677-9967 |
| Motion Video Products 3949 Clairemont Dr # 18, San Diego 92117 | (858) 483-1562 |
| Microware Technology Inc 9761 Caminito Suelto, San Diego 92131 | (858) 693-4280 |
| Makago Electronics 16980 Via Tazon # 140, San Diego 92127 | (858) 613-8747 |
| Incep Technologies 10650 Treena St, San Diego 92131 | (858) 547-9925 |
| Kab Laboratories Inc 1110 Rosecrans St, San Diego 92106 | (619) 523-1763 |
| Kennaret Enterprises 7959 Silverton Ave, San Diego 92126 | (858) 527-0800 |
| Wavecom Inc 4810 Eastgate Mall # 2, San Diego 92121 | (858) 362-0101 |