| Andreasen Security Safe INC | Terry Val Andreasen | — | (510) 732 8710 | Alarm and generators | Hayward · Alameda County | — | — |
| Arts & Security Locksmith INC | Douglas Robert Simens | — | (925) 443 5166 | Alarm and generators | Livermore · Alameda County | — | — |
| Bay Area Security Solutions | Blaine Stanley Lucas | — | (510) 278 2583 | Alarm and generators | Hayward · Alameda County | — | — |
| Bay Mount Pro | Bay Mount Pro | — | (510) 485-9342 | Alarm and generators | Alameda · Alameda County | — | — |
| Centrified Security Solutions INC | Branden James Bell | — | (925) 245 1213 | Alarm and generators | San Leandro · Alameda County | — | — |
| Dynamic Security Technologies INC | Bryan Bundalian Buenaventura | — | (510) 786 1121 | Alarm and generators | Hayward · Alameda County | — | — |
| Gc Security Design INC | Cesar Steve Bonilla | sales@gcsecuritydesign.com | (408) 868 2378 | Alarm and generators | Fremont · Alameda County | — | — |
| Laser Security Systems INC | Rohn William Reid | — | (925) 245 9019 | Alarm and generators | Livermore · Alameda County | — | — |
| Parker Security & Locksmith Service | Harry Louis Parker | — | (510) 659 6939 | Alarm and generators | Fremont · Alameda County | — | — |
| Reed Brothers Security | Ronald Rajah Reed | — | (510) 505-8025 | Alarm and generators | San Leandro · Alameda County | — | — |
| Safetight Security LLC | Jesus Jr Alvarez | info@safetightsecurity.com | (510) 439 9500 | Alarm and generators | Oakland · Alameda County | — | — |
| Simplisafe | Simplisafe | customer-support@simplisafe.co.uk | — | Alarm and generators | Alameda · Alameda County | — | — |
| The Security Center | Kenneth Charles Gray | — | (510) 670 0404 | Alarm and generators | Hayward · Alameda County | — | — |
| West Coast Av & Security INC | Darrin Ralph Windell | — | (925) 829 2406 | Alarm and generators | Pleasanton · Alameda County | — | — |