| Business | Phone |
| Amkor Technology Esd Laborator 1600 Wyatt Dr, Santa Clara 95054 | (408) 567-1090 |
| Bess Testlab Inc 991 George St, Santa Clara 95054 | (408) 988-0101 |
| Criterion Labs Inc 3193 Belick St # 8, Santa Clara 95054 | (408) 978-3101 |
| Genesis Associates 3069 Olcott St, Santa Clara 95054 | (408) 727-3028 |
| Underwriters Laboratories Inc 1655 Scott Blvd, Santa Clara 95050 | (408) 985-2400 |
| Quanta Laboratories 3199 De La Cruz Blvd, Santa Clara 95054 | (408) 988-0770 |
| Symyx Technologies Inc 3040 Oakmead Village Dr, Santa Clara 95051 | (408) 764-2000 |
| Symyx Technologies Inc 3100 Central Expy, Santa Clara 95051 | (408) 764-2000 |