| Business | Phone |
| 3 F Networking Inc 40760 Rainwater Ct, Fremont 94539 | (510) 659-0403 |
| Advanced Communication Devices 46531 Fremont Blvd, Fremont 94538 | (510) 354-6810 |
| Advantek Networks Inc 48511 Warm Springs Blvd # 207, Fremont 94539 | (510) 353-1088 |
| Attachnet Inc 46733 Fremont Blvd, Fremont 94538 | (510) 438-0288 |
| Controlnet 760 Mission Ct, Fremont 94539 | (510) 413-6000 |
| Dcns 3927 Wildflower Cmn, Fremont 94538 | (510) 353-9135 |
| Entera Inc 40971 Encyclopedia Cir, Fremont 94538 | (510) 770-5200 |
| Ether Com Corp 1409 Fulton Pl, Fremont 94539 | (510) 440-0242 |
| Merlin Systems Inc 39141 Civic Center Dr, Fremont 94538 | (510) 743-1430 |
| Network Design 48890 Milmont Dr # 101d, Fremont 94538 | (510) 249-9549 |
| New Tech Solutions Inc 4480 Enterprise St, Fremont 94538 | (510) 353-4070 |
| On-Site Commmunications 46750 Fremont Blvd # 103, Fremont 94538 | (510) 249-0173 |
| Packet Network Inc 48521 Warm Springs Blvd, Fremont 94539 | (510) 979-0074 |
| R4s Corp 47428 Fremont Blvd, Fremont 94538 | (510) 839-1234 |
| Rcs Corp 47000 Warm Springs Blvd # 503, Fremont 94539 | (510) 651-9000 |
| Giraffe Network Systems Fremont 94536 | (510) 792-0175 |
| U4ea Technologies Inc 48511 Warm Springs Blvd, Fremont 94539 | (510) 687-0010 |
| Speedcom Technologies Inc 47889 Fremont Blvd, Fremont 94538 | (510) 440-8178 |
| Svc Corp 48834 Kato Rd # 101a, Fremont 94538 | (510) 770-4920 |
| HPC Systems Inc. 48009 Fremont Blvd., Fremont 94538 | (510) 656-8282 |