| A P S Overhead Door & Security Co | Randall Henry Scheppmann | — | (619) 588 6385 | Alarm and generators | El Cajon · San Diego County | — | — |
| Accurate Security Pros INC | Gregory Alan Parks | — | (858) 271 1155 | Alarm and generators | San Diego · San Diego County | — | — |
| Adt Security Services | Adt Security Services | — | (858) 380-5542 | Alarm and generators | San Diego · San Diego County | — | — |
| Agile Security Group INC | Raymond Alexander Walton | — | (858) 877 9330 | Alarm and generators | Poway · San Diego County | — | — |
| Alert 360 Home & Business Security San Diego | Alert 360 Home & Business Security San Diego | — | (619) 378-1055 | Alarm and generators | San Diego · San Diego County | — | — |
| Americas Finest Security Design Low Voltage | Eddie Garcia Barboza | — | (619) 907 3084 | Alarm and generators | San Diego · San Diego County | — | — |
| Asap Garage Door And Security Services LLC | Asaf Ofir | — | (760) 672 8509 | Alarm and generators | Oceanside · San Diego County | — | — |
| Asap Security Guards | Asap Security Guards | info@asapsecurity.org | (833) 272-7247 | Alarm and generators | San Diego · San Diego County | — | — |
| Blue Security INC | Richard Allan Churchman | — | (858) 459 1225 | Alarm and generators | San Diego · San Diego County | — | — |
| Choice Locksmithing & Security INC | Jeffrey Alan Pugh | — | (619) 562 8700 | Alarm and generators | Santee · San Diego County | — | — |
| Coast Security Group | Tomer Halevi | — | (858) 668 5446 | Alarm and generators | San Diego · San Diego County | — | — |
| Coddington Lock And Security Corporation | Matthew Ernest Coddington | — | (619) 499 5571 | Alarm and generators | El Cajon · San Diego County | — | — |
| Cohen Security | Matthew Ross Johnson | — | (858) 522 9622 | Alarm and generators | La Jolla · San Diego County | — | — |
| Cor Security INC | Ty Keith Mullen | info@corsecurity.com | (760) 434 5853 | Alarm and generators | San Marcos · San Diego County | — | — |
| Crl Window Tint & Security Films | Carlos Rene Licardie | — | (505) 270 6863 | Alarm and generators | Fallbrook · San Diego County | — | — |
| D C Communications & Security | D C Communications & Security | — | (619) 517 5844 | Alarm and generators | El Cajon · San Diego County | — | — |
| Dempsey Alarms LLC | Dempsey Alarms LLC | sales@dempseyalarms.com | (858) 368-9707 | Alarm and generators | San Diego · San Diego County | — | — |
| Everon | Everon | info@everon.com | (858) 309-4438 | Alarm and generators | San Diego · San Diego County | — | — |
| Foothill Lock & Security INC | Behzad Hemmati | — | (760) 806 9000 | Alarm and generators | Oceanside · San Diego County | — | — |
| Golden State Cctv Inc. | Golden State Cctv Inc. | — | (619) 257-2577 | Alarm and generators | San Diego · San Diego County | — | — |
| Home Security Doors & Gates | Home Security Doors & Gates | — | (858) 720 8651 | Alarm and generators | San Diego · San Diego County | — | — |
| Itech Auto Customizing | Itech Auto Customizing | — | (858) 265-6548 | Alarm and generators | San Diego · San Diego County | — | — |
| Jc Power Audio | Jc Power Audio | — | (619) 378-7168 | Alarm and generators | San Diego · San Diego County | — | — |
| Kwiksmith Lock & Security INC | Kurt Othmar Kiffmann | — | (858) 452 7888 | Alarm and generators | La Mesa · San Diego County | — | — |
| Network Security | John Henry Groom | — | (619) 298 7392 | Alarm and generators | Alpine · San Diego County | — | — |
| Otay Alarm | Otay Alarm | — | (619) 638 9485 | Alarm and generators | Chula Vista · San Diego County | — | — |
| Pacific Coast Security And Sound | Pacific Coast Security And Sound | — | (800) 643 4640 | Alarm and generators | San Diego · San Diego County | — | — |
| Progressive Windows And Doors Security Screens | David Shemula | — | (858) 271 0900 | Alarm and generators | Escondido · San Diego County | — | — |
| Rcm Low Voltage Security Consulting | Rcm Low Voltage Security Consulting | — | (858) 222 9765 | Alarm and generators | San Diego · San Diego County | — | — |
| Real Home Security Llc- Authorized Adt Dealer | Real Home Security Llc- Authorized Adt Dealer | — | (619) 647-7923 | Alarm and generators | San Diego · San Diego County | — | — |
| Roman Security | Roman Security | — | (858) 243-4324 | Alarm and generators | San Diego · San Diego County | — | — |
| Safe And Sound Security | Safe And Sound Security | — | (619) 333-7397 | Alarm and generators | San Diego · San Diego County | — | — |
| Scripps Ranch Security | Scripps Ranch Security | — | (858) 689-8000 | Alarm and generators | San Diego · San Diego County | — | — |
| Security Plumbing & Drains | Security Plumbing & Drains | spdsanmarcos@gmail.com | (760) 724 3795 | Alarm and generators | San Marcos · San Diego County | — | — |
| Simplisafe | Simplisafe | customer-support@simplisafe.co.uk | — | Alarm and generators | San Diego · San Diego County | — | — |
| Smart Shield Systems Commercial & Residential Security | Smart Shield Systems Commercial & Residential Security | office@smartshieldsystems.com | (844) 477-7627 | Alarm and generators | San Diego · San Diego County | — | — |
| Socal Security Installs | Socal Security Installs | info@socalsecurityinstalls.com | (619) 855 6612 | Alarm and generators | Ramona · San Diego County | — | — |
| Ssd Alarm | Ssd Alarm | — | (858) 675-8139 | Alarm and generators | San Diego · San Diego County | — | — |
| V M Alarm Systems | V M Alarm Systems | — | (760) 985 7344 | Alarm and generators | San Marcos · San Diego County | — | — |
| Visbly | Visbly | hello@visbly.com | (855) 584-7259 | Alarm and generators | San Diego · San Diego County | — | — |