| Business | Phone |
| Addison Ashley Corp 122 Calistoga Rd # 238, Santa Rosa 95409 | (707) 539-6199 |
| Addison Ashley Corp 1333 Brush Creek Rd, Santa Rosa 95404 | (707) 539-6199 |
| Audio Ex Inc 629 4th St, Santa Rosa 95404 | (707) 525-8700 |
| C B Dial Telecommunications 3200 Dutton Ave, Santa Rosa 95407 | (707) 526-5591 |
| C J Marketing 640 Piezzi Rd, Santa Rosa 95401 | (707) 546-9676 |
| High Definition Designs Po Box 6166, Santa Rosa 95406 | (707) 542-8450 |
| I C & C Telemanagement Inc 8868 Lakewood Dr # 177, Santa Rosa 95401 | (707) 578-7774 |
| Lucent Technologies 1360 N Dutton Ave, Santa Rosa 95401 | (707) 524-1200 |
| Media Link Telephone-Data Comm 2340 Marsh Ct, Santa Rosa 95403 | (707) 577-8340 |
| Nu Millenium Communications 1791 Marlow Rd, Santa Rosa 95401 | (707) 571-8166 |
| Sonoma County Communications 146 Wikiup Dr # C, Santa Rosa 95403 | (707) 571-1201 |
| Telecom Ii Santa Rosa 95409 | (707) 538-2211 |
| Telisys.Net 1241 Cleveland Ave, Santa Rosa 95401 | (707) 579-8595 |
| Williams Usa 400 E Todd Rd # A, Santa Rosa 95407 | (707) 588-0100 |