| Business | Phone |
| Adi 441 Victory Ave, San Francisco 94080 | (650) 871-2300 |
| Associated Security Alarm Co 1405 Huntington Ave # 305, San Francisco 94080 | (650) 589-7226 |
| Bay Alarm Co San Francisco 94080 | (650) 588-9700 |
| A & S Alarm 444 Spear St, San Francisco 94105 | (415) 863-5318 |
| All City Alarms San Francisco 94118 | (415) 387-3614 |
| Americom Central Station 1355 Fairfax Ave # C, San Francisco 94124 | (415) 821-9500 |
| B C Locksmith 4002 Irving St, San Francisco 94122 | (415) 566-5545 |
| Brennan Enterprises Alarm Line 444 Spear St, San Francisco 94105 | (415) 543-2757 |
| Crime Watch Security Systems 1355 Fairfax Ave # B, San Francisco 94124 | (415) 282-7777 |
| Dap Security 1885 Turk St, San Francisco 94115 | (415) 929-8494 |
| Dedicated Securities Techs Inc 431 Balboa St, San Francisco 94118 | (415) 750-9920 |
| Fire Innovations Inc San Francisco 94102 | (415) 791-5148 |
| First Alarm San Francisco 94104 | (415) 837-1111 |
| Golden Gate Burglar Alarm Co 3259 Mission St # A, San Francisco 94110 | (415) 285-1787 |
| Kitech Security System 230 Junipero Serra Blvd, San Francisco 94127 | (415) 467-8050 |
| Kitech Systems Inc San Francisco 94122 | (415) 566-3278 |
| Lca Client Svc 594 Howard St # 300, San Francisco 94105 | (415) 546-0603 |
| North American Alarm Co 2018 Oakdale Ave, San Francisco 94124 | (415) 826-0333 |
| Northwest Security Po Box 14084, San Francisco 94114 | (415) 861-0200 |
| Predator Security Systems San Francisco 94110 | (415) 641-9191 |
| Redwood Security Systems Inc San Francisco 94115 | (415) 929-9297 |
| Snow Owl Inc 2601 Mission St, San Francisco 94110 | (415) 824-1717 |
| West Coast Security Svc 2425 Taraval St, San Francisco 94116 | (415) 661-6000 |