| Business | Phone |
| Advance Communication Products 4450 Enterprise St, Fremont 94538 | (510) 252-0501 |
| Advansor Corp 4063 Clipper Ct, Fremont 94538 | (510) 657-7732 |
| Afl Telecommunications 48501 Warm Springs Blvd # 101, Fremont 94539 | (510) 656-9765 |
| Atoga Systems Inc 49026 Milmont Dr, Fremont 94538 | (510) 687-9700 |
| Bayspec 101 Hammond Ave, Fremont 94539 | (510) 661-2008 |
| Comtech Vipersat Networks Inc 3089 Skyway Ct, Fremont 94539 | (510) 252-1462 |
| Diverse Telecom Usa Inc 41353 Albrae St, Fremont 94538 | (408) 730-1097 |
| Primanex 4141 Business Center Dr, Fremont 94538 | (510) 226-7252 |
| Satpath Systems Inc 46661 Fremont Blvd, Fremont 94538 | (510) 979-1102 |
| American Telecommunication Inc 43070 Christy St, Fremont 94538 | (510) 687-1864 |
| Transcend Access Systems Inc 4487 Technology Dr, Fremont 94538 | (510) 440-1945 |