| Business | Phone |
| A T & T Voice 3463 Ellery Cmn, Fremont 94538 | (408) 723-3011 |
| Nextlink California 855 Mission Ct, Fremont 94539 | (510) 623-0277 |
| Opelcomm Inc 46750 Fremont Blvd # 210, Fremont 94538 | (510) 492-2064 |
| Pedestal Networks 6503 Dumbarton Cir, Fremont 94555 | (510) 578-0158 |
| Go Digital Telecommunications 41652 Boscell Rd, Fremont 94538 | (510) 979-9953 |
| X O Communications Inc 855 Mission Ct, Fremont 94539 | (510) 580-5800 |