| Business | Phone |
| Bauer Solutions San Mateo 94403 | (650) 372-0653 |
| Executive Phone Svc San Mateo 94401 | (650) 344-0313 |
| P C Telecommunications 1927 S El Camino Real, San Mateo 94403 | (650) 344-6415 |
| P J White Inc 3130 La Selva Cir, San Mateo 94403 | (650) 292-8600 |
| Tellabs Operations Inc San Mateo 94401 | (650) 548-4055 |