| Business | Phone |
| Hood Communications 379 Oyster Point Blvd # 1o, San Francisco 94080 | (650) 624-7625 |
| Innovative Communications San Francisco 94080 | (650) 873-6008 |
| A All Wired Communications San Francisco 94110 | (415) 468-9400 |
| A Wire Guy San Francisco 94110 | (415) 336-2677 |
| Ati Communications San Francisco 94111 | (415) 956-3700 |
| Smartech Communications San Francisco 94080 | (650) 878-8876 |
| Casey Communications 539 44th Ave, San Francisco 94121 | (415) 221-6655 |
| Cato Communications 82 Littlefield Ter, San Francisco 94107 | (415) 285-2289 |
| Mci 201 Spear St # 5, San Francisco 94105 | (415) 228-1100 |
| Phoneworks 1036 Russia Ave, San Francisco 94112 | (415) 642-9768 |
| Ptt Telecom Netherlands 1750 Montgomery St, San Francisco 94111 | (415) 954-8527 |
| Tel The Sky Communications San Francisco 94110 | (415) 821-2065 |
| Telephony Magazine 1750 Montgomery St, San Francisco 94111 | (415) 773-5322 |
| Telwork Solutions Po Box 40746, San Francisco 94140 | (415) 587-5882 |
| Toltech Communications Po Box 40218, San Francisco 94140 | (415) 642-1355 |
| J C Business & Svc 2588 Mission St # 219, San Francisco 94110 | (415) 642-4770 |