| A & A Imperial Screen & Window Guard Co | 510-429-6873 | 29524 Kohoutek Way | Union City | CA | 94587 |
| Advantor | 510-934-5369 | 1517 N Main St | Walnut Creek | CA | 94596 |
| Al Lashers Electronics | 510-843-5915 | 1734 University Ave | Berkeley | CA | 94703 |
| Alarms-Alarms | 510-471-4015 | 33425 Western Ave | Union City | CA | 94587 |
| American Protective Services Inc | 510-825-3550 | 622 Contra Costa Blvd | Pleasant Hill | CA | 94523 |
| American Protective Services Inc | 510-758-1500 | 2801 Pinole Valley Rd | Pinole | CA | 94564 |
| American Protective Services Inc | 510-551-7575 | 6377 Clark Ave | Dublin | CA | 94568 |
| American Protective Services Inc Branch Office | 510-568-6818 | 333 Hegenberger Rd | Oakland | CA | 94621 |
| A-Safe | 510-763-3910 | 192-10th | Oakland | CA | 94601 |
| Audio Security By Sonitrol | 510-537-1122 | 731 A St | Hayward | CA | 94541 |
| Auto Acoustics & Alarm | 510-838-9283 | 25 Beta Ct | San Ramon | CA | 94583 |
| Autocall | 510-652-7025 | 1394 Park Ave | Emeryville | CA | 94608 |
| Autotronics | 510-733-5858 | 636 A St | Hayward | CA | 94541 |
| B G C Enterprises | 510-790-3079 | PO Box 253 | Newark | CA | 94560 |
| Bay Knights Professional Protection | 510-449-6664 | 261 S Vasco Rd | Livermore | CA | 94550 |
| Brinks Home Security Inc Branch | 510-429-3940 | 2851 Whipple Rd | Union City | CA | 94587 |
| Business Consulting & Investigations Inc | 510-553-7030 | 7677 Oakport St | Oakland | CA | 94621 |
| California Intelligence Agency | 510-792-6949 | PO Box 54 | Fremont | CA | 94537 |
| Campbell Engineering Co | 510-689-7212 | 2540 Bates Ave | Concord | CA | 94520 |
| Campbell Security Equipment | 510-689-7221 | 2500 Annalisa Dr | Concord | CA | 94520 |
| Cardkey Systems | 510-463-3036 | 4234 Hacienda Dr | Pleasanton | CA | 94588 |
| Casi-Rusco | 510-901-1075 | 2682 Bishop Dr | San Ramon | CA | 94583 |
| Castle Security Products Inc | 510-785-9408 | 25216 Cypress Ave | Hayward | CA | 94544 |
| Charles Martin & Associates | 510-888-9885 | PO Box 56267 | Hayward | CA | 94545 |
| Checkpoint Systems | 510-462-0264 | 3073 Staples Ranch Dr | Pleasanton | CA | 94588 |
| Corkey Control Systems Inc | 510-786-4214 | 3427 Enterprise Ave | Hayward | CA | 94545 |
| Creative Iron-A Division Of Universal Doortech | 510-532-2200 | 926 High St | Oakland | CA | 94601 |
| D & J Products & Services | 510-686-5070 | PO Box 657 | Concord | CA | 94522 |
| Diamondseal | 510-657-3224 | 41443 Albrae St | Fremont | CA | 94538 |
| Digital Access | 510-449-7319 | 2245 S Vasco Rd | Livermore | CA | 94550 |
| East Bay Training Academy | 510-232-0124 | 1149 Macdonald Ave | Richmond | CA | 94801 |
| Franklins Lock & Key Service | 510-652-2477 | 4432 Telegraph Ave | Oakland | CA | 94609 |
| Fremont Alarm | 510-656-7537 | 3135 Osgood Ct | Fremont | CA | 94539 |
| Fremont Lock Co | 510-791-0424 | 3404 Collin Ct | Fremont | CA | 94536 |
| Fremont Sound | 510-657-7720 | 43600 Fremont Blvd | Fremont | CA | 94538 |
| Golden Bear Fire Protection Inc | 510-651-9898 | 45500 Fremont Blvd | Fremont | CA | 94538 |
| Golden Gateway Secruity Services | 510-683-8558 | 40532 Ives Ct | Fremont | CA | 94538 |
| Golden State Instrument Co | 510-352-7860 | 14256 Doolittle Dr | San Leandro | CA | 94577 |
| Guardian Security Agency | 510-356-3034 | 1820 Galindo St | Concord | CA | 94520 |
| Hoyin Industries Inc | 510-228-1240 | 1815 Arnold Dr | Martinez | CA | 94553 |
| Hsb Professional Loss Control | 510-687-0733 | 1800 Sutter St | Concord | CA | 94520 |
| Intertech Security Systems Inc | 510-426-5530 | 1320 Bordeaux St | Pleasanton | CA | 94566 |
| Keys For Less | 510-841-4806 | 1140 University Ave | Berkeley | CA | 94702 |
| Kleckner Construction Inc | 510-484-4100 | 1043 Serpentine Ln | Pleasanton | CA | 94566 |
| Lancashire Group The | 510-792-9384 | 37053 Cherry St | Newark | CA | 94560 |
| Livermore Auto Stereo | 510-443-7865 | 2350 1st St | Livermore | CA | 94550 |
| Lyon Professional Protective Services | 510-447-0409 | 4049 1st St | Livermore | CA | 94550 |
| Mace Training & License | 510-524-5065 | PO Box 362 | El Cerrito | CA | 94530 |
| Mayo Donald Fire Protection Consultant | 510-685-3733 | 2300 Contra Costa Blvd | Pleasant Hill | CA | 94523 |
| Mortensen W P & Associates | 510-828-6440 | PO Box 2619 | Dublin | CA | 94568 |
| Motor Music | 510-827-9800 | 1931 Market St | Concord | CA | 94520 |
| Multimedia Security Service Inc | 510-602-0500 | 200 Mason Cir | Concord | CA | 94520 |
| National Security Services | 510-444-8409 | 1324 Webster St | Oakland | CA | 94612 |
| Omega Corporation | 510-256-3700 | 488 N Wiget Ln | Walnut Creek | CA | 94598 |
| Operation Security Patrol Services | 510-638-9275 | 680 Hegenberger Rd | Oakland | CA | 94621 |
| Pacific States Financial Group | 510-839-5512 | 1050 Winsor Ave | Piedmont | CA | 94610 |
| Personal Safety Equipment Co | 510-758-6012 | 4515 San Pablo Dam Rd | El Sobrante | CA | 94803 |
| Pinkerton Investigation Servies | 510-264-1600 | 3563 Investment Blvd | Hayward | CA | 94545 |
| Professional Monitoring | 510-798-5500 | 2837 Willow Pass Rd | Concord | CA | 94519 |
| Professional Monitoring Sellers & Security Con | 510-798-5515 | 2837 Willow Pass Rd | Concord | CA | 94519 |
| Prolock Corp Hdqtrs | 510-460-3800 | 6646 Owens Dr | Pleasanton | CA | 94588 |
| Rolf Jensen & Associates Inc | 510-938-3550 | 2125 Oak Grove Rd | Walnut Creek | CA | 94598 |
| Sabraw & Schperberg Investigations | 510-796-6269 | 39159 Paseo Padre Pky | Fremont | CA | 94538 |
| Schirmer Engineering Corp | 510-827-5858 | 1850 Gateway Blvd | Concord | CA | 94520 |
| Security Etc | 510-838-9160 | 19 Alamo Sq | Alamo | CA | 94507 |
| Security Iron | 510-276-3199 | 16828 Melody Way | San Leandro | CA | 94578 |
| Tec Security Systems | 510-489-4665 | 3281 Whipple Rd | Union City | CA | 94587 |
| Valley Alarm | 510-838-2290 | 2217 San Ramon Valley Blvd | San Ramon | CA | 94583 |
| White William D Co | 510-658-8167 | 3427 Magnolia St | Oakland | CA | 94608 |
