| Business | Phone |
| Bite Communications 100 Hamilton Ave, Palo Alto 94301 | (650) 326-2483 |
| Cellefony Communications Inc 514 Bryant St, Palo Alto 94301 | (650) 325-3755 |
| Grove Communications 1020 Corporation Way, Palo Alto 94303 | (415) 292-7155 |
| Mackay Assoc Inc 711 De Soto Dr, Palo Alto 94303 | (650) 322-0579 |
| Top Spin Communications Palo Alto 94303 | (650) 213-8090 |
| Technology Exchange Comms 4250 El Camino Real # C128, Palo Alto 94306 | (650) 494-6609 |