| Business | Phone |
| Bsh Enterprises 240 N 24th St, San Jose 95116 | (408) 280-6946 |
| Criterion Labs Inc San Jose 95118 | (408) 978-3101 |
| Datalab 2171 Del Franco St, San Jose 95131 | (408) 943-1888 |
| Enterprise Engineering Lab 4815 Grimsby Dr, San Jose 95130 | (408) 866-7800 |
| Test-O-Pac Industries Inc 1180 Murphy Ave, San Jose 95131 | (408) 436-1117 |
| Testing Engineers Inc 2123 Bering Dr # E, San Jose 95131 | (408) 451-2420 |
| Prometric Testing Center 4030 Moorpark Ave, San Jose 95117 | (408) 246-0072 |