| First Alarm | First Alarm | — | (800) 684-1111 | Alarm and generators | Monterey · Monterey County | — | — |
| Halo Security Guards Monterey | Halo Security Guards Monterey | — | (831) 999-2936 | Alarm and generators | Monterey · Monterey County | — | — |
| Hkc Protective Services | Hkc Protective Services | info@hkcprotectiveservices.com | (831) 521-2306 | Alarm and generators | Monterey · Monterey County | — | — |
| Kartunes Auto Stereo And Alarm | Kartunes Auto Stereo And Alarm | — | (831) 394-1700 | Alarm and generators | Seaside · Monterey County | — | — |
| Marina Auto Stereo & Window Tinting | Marina Auto Stereo & Window Tinting | — | (831) 384-9600 | Alarm and generators | Seaside · Monterey County | — | — |
| Monterey Innovations | Monterey Innovations | — | (831) 760-1091 | Alarm and generators | Seaside · Monterey County | — | — |
| Nguyen Security Services INC | Nguyen Security Services INC | — | (831) 920-1877 | Alarm and generators | Monterey · Monterey County | — | — |
| Securitas Security Services Usa | Securitas Security Services Usa | — | (408) 571-1000 | Alarm and generators | Monterey · Monterey County | — | — |
| Security Patrol Service Monterey | Security Patrol Service Monterey | — | (831) 661-9163 | Alarm and generators | Monterey · Monterey County | — | — |
| Sentry Alarm | Sentry Alarm | — | (831) 375-2727 | Alarm and generators | Monterey · Monterey County | — | — |
| Uretsky Security & Investigations | Uretsky Security & Investigations | — | (831) 324-0687 | Alarm and generators | Del Rey Oaks · Monterey County | — | — |
| Vantage Security Guards Monterey | Vantage Security Guards Monterey | — | (831) 576-2224 | Alarm and generators | Monterey · Monterey County | — | — |