| A-pro Security Services INC | Gregory Kipnis | — | (949) 635 0300 | Alarm and generators | Trabuco Canyon · Orange County | — | — |
| Aj Alarm Systems | Aj Alarm Systems | al@ajalarmsystems.com | — | Alarm and generators | Orange · Orange County | — | — |
| Alarm Fire Protection INC | Carol Anna Carri | — | (714) 998 1101 | Alarm and generators | Orange · Orange County | — | — |
| Alh Security INC | Yuval Harpaz | — | (800) 416 8955 | Alarm and generators | Lake Forest · Orange County | — | — |
| All American Statewide Security Guards - Company Located In Oc - Security Guard Companies | All American Statewide Security Guards - Company Located In Oc - Security Guard Companies | — | (949) 396-1835 | Alarm and generators | Irvine · Orange County | — | — |
| Amperage Security INC | Issac Ampornrut | — | (877) 899 1491 | Alarm and generators | Fullerton · Orange County | — | — |
| Apex Fire Protection Madera | Apex Fire Protection Madera | — | (559) 345-9670 | Alarm and generators | Madera · Orange County | — | — |
| Atlas Integration + Security | Joseph Yoo | — | (949) 649 3990 | Alarm and generators | Garden Grove · Orange County | — | — |
| Audio Video Security Solutions | Anthony Darnell Hicks | — | (800) 299 5964 | Alarm and generators | Anaheim · Orange County | — | — |
| Boyd & Associates | Boyd & Associates | — | (949) 650-6560 | Alarm and generators | Costa Mesa · Orange County | — | — |
| Carter Security Systems | Carter Security Systems | — | (801) 520 7117 | Alarm and generators | Westminster · Orange County | — | — |
| Coastal Security Systems | Coastal Security Systems | — | (714) 395-5700 | Alarm and generators | Anaheim · Orange County | — | — |
| Defender Solution Cctv - Alarm Systems | Defender Solution Cctv - Alarm Systems | — | (657) 276-6885 | Alarm and generators | Fountain Valley · Orange County | — | — |
| Delmore Security Systems | Delmore Security Systems | — | (949) 770 7900 | Alarm and generators | Lake Forest · Orange County | — | — |
| Dhs Security Systems INC | David Paul Holland | — | (714) 549 1090 | Alarm and generators | Costa Mesa · Orange County | — | — |
| Direct Guard Services - Orange County | Direct Guard Services - Orange County | — | (800) 578-2123 | Alarm and generators | Irvine · Orange County | — | — |
| Dps Security Services- Local Adt Authorized Dealer | Dps Security Services- Local Adt Authorized Dealer | info@dpssecurityservices.com | (714) 441-8999 | Alarm and generators | Irvine · Orange County | — | — |
| Electronic Eye Security INC | Michael Houser | — | (800) 803 1992 | Alarm and generators | Newport Beach · Orange County | — | — |
| Electronic Security Services | Rizwan Niazi | — | (949) 922 7339 | Alarm and generators | Santa Ana · Orange County | — | — |
| Epic Alarm | Epic Alarm | success@epicalarm.com | — | Alarm and generators | Anaheim · Orange County | — | — |
| Excel Security Systems | Excel Security Systems | — | (800) 747-0688 | Alarm and generators | Orange · Orange County | — | — |
| Frontpoint | Frontpoint | — | (833) 606-4477 | Alarm and generators | Orange County · Orange County | — | — |
| Goldbug Security Surveillance | Jessica Jane Ba | — | (949) 677 7963 | Alarm and generators | Irvine · Orange County | — | — |
| Hauk Security - Installation Services | Hauk Security - Installation Services | — | (949) 354-6566 | Alarm and generators | Dana Point · Orange County | — | — |
| Hb Security Cameras | Hb Security Cameras | — | (714) 451-8991 | Alarm and generators | Huntington Beach · Orange County | — | — |
| Icon Security Cameras LLC | Jonathan Villanueva | — | (626) 271 3496 | Alarm and generators | Ladera Ranch · Orange County | — | — |
| Lulu It & Security INC | William Francis Jr Waters | — | (213) 516 4101 | Alarm and generators | Aliso Viejo · Orange County | — | — |
| Mission Defense Low Voltage Security Systems | Ismail Toygar | — | (442) 266 2505 | Alarm and generators | Newport Beach · Orange County | — | — |
| Navco Security Systems | Eli Phelps | — | (714) 779 7499 | Alarm and generators | Orange · Orange County | — | — |
| Onguard Security Guard Services Orange County | Onguard Security Guard Services Orange County | — | (800) 385-2938 | Alarm and generators | Anaheim · Orange County | — | — |
| Orange County Video Surveillance | Orange County Video Surveillance | — | (949) 529-5000 | Alarm and generators | Irvine · Orange County | — | — |
| Pacific Security Fence South | Pacific Security Fence South | — | (714) 272 9542 | Alarm and generators | Yorba Linda · Orange County | — | — |
| Pinnacle Security Services® - Orange County | Pinnacle Security Services® - Orange County | — | (800) 569-1006 | Alarm and generators | Irvine · Orange County | — | — |
| Pridemark International® Security Guard Services Company Orange County | Pridemark International® Security Guard Services Company Orange County | — | (800) 526-4406 | Alarm and generators | Irvine · Orange County | — | — |
| Securico Guard Services Inc. - Orange County | Securico Guard Services Inc. - Orange County | — | (949) 841-2600 | Alarm and generators | Santa Ana · Orange County | — | — |
| Security 2000 INC | John David Chevalier | — | (949) 306 7932 | Alarm and generators | Aliso Viejo · Orange County | — | — |
| Silva Security Solutions | Silva Security Solutions | — | (714) 463 6813 | Alarm and generators | Garden Grove · Orange County | — | — |
| Silva Security Solutions INC | Marco Antonio Silva | — | (714) 463 6813 | Alarm and generators | Garden Grove · Orange County | — | — |
| Simplisafe | Simplisafe | customer-support@simplisafe.co.uk | — | Alarm and generators | Orange County · Orange County | — | — |
| Southland Security Systems | Southland Security Systems | — | (949) 240 2500 | Alarm and generators | San Clemente · Orange County | — | — |