| Business | Phone |
| All Action Security Inc 13360 Torrey Meadows Dr, San Diego 92129 | (858) 484-5393 |
| American Surveilance & Sec 7420 Clairemont Mesa Blvd, San Diego 92111 | (858) 565-1541 |
| Automation General 9245 Farnham St, San Diego 92123 | (858) 565-9805 |
| Bejar Gate Co 8016 Raytheon Rd, San Diego 92111 | (858) 715-1414 |
| Best Security Products 9265 Dowdy Dr # 101, San Diego 92126 | (858) 566-5700 |
| Central Dispatch 4868 Shawline St # C, San Diego 92111 | (858) 244-1400 |
| Conceptek San Diego 92121 | (858) 554-0640 |
| Electro Specialty Systems 4401 Twain Ave # 22, San Diego 92120 | (619) 282-9884 |
| Homeland Security Preparedness 8880 Rio San Diego Dr, San Diego 92108 | (619) 291-8222 |
| Ozone Security Corp 3505 Camino Del Rio S # 208, San Diego 92108 | (619) 280-8124 |
| Via Service 6370 Rancho Mission Rd # 920, San Diego 92108 | (619) 282-0678 |
| Alarm King 8868 Clairemont Mesa Blvd, San Diego 92123 | (858) 751-5900 |
| Allied Barton Security 7670 Opportunity Rd, San Diego 92111 | (619) 276-4800 |
| Sonitrol 8921 Complex Dr, San Diego 92123 | (858) 505-3000 |
| Silver Star Security 725 Kennebeck Ct, San Diego 92109 | (858) 488-3854 |
| Securityware Inc San Diego 92111 | (858) 467-9300 |
| Rockwell & Reyes Security 7880 Airway Rd, San Diego 92154 | (619) 671-9839 |
| Q 2020 Inc 10804 Willow Ct, San Diego 92127 | (858) 675-6365 |
| Polestar San Diego 2795 Main St, San Diego 92113 | (619) 595-0013 |
| Community Security San Diego 92113 | (619) 264-8060 |
| Pegasus Security Inc 3750 Convoy St # 185, San Diego 92111 | (858) 505-9902 |
| Crime Free Security Systems 7825 Engineer Rd, San Diego 92111 | (858) 430-0817 |
| Csc Security Svc 7841 Balboa Ave, San Diego 92111 | (858) 268-2430 |
| Custom Glass Coatings 1621 Sunset Cliffs Blvd, San Diego 92107 | (619) 226-6484 |
| Pacific Security Systems 4797 Mercury St, San Diego 92111 | (858) 292-4100 |
| Omni Security Svc 7841 Balboa Ave, San Diego 92111 | (858) 514-8895 |
| Dialcom System Svc Inc San Diego 92111 | (858) 560-5430 |
| Morse Signal Devices San Diego 92109 | (619) 283-6401 |
| Firstline Security Systems 7950 Silverton Ave, San Diego 92126 | (858) 566-4238 |
| Fox Security Svc 110 W A St, San Diego 92101 | (619) 544-9195 |
| Globalguard 939 University Ave, San Diego 92103 | (619) 574-8191 |
| Griffin & Griffin Security 220 Euclid Ave, San Diego 92114 | (619) 264-1254 |
| Hitron Usa 10804 Willow Ct, San Diego 92127 | (858) 613-3630 |
| Inalert Security Dist Inc 6935 Camino Maquiladora # C, San Diego 92154 | (619) 671-9257 |
| Industrial Security Alliance 2445 5th Ave, San Diego 92101 | (619) 232-7041 |
| Irron Security 7968 Arjons Dr, San Diego 92126 | (858) 537-9371 |
| K D Alarm Po Box 232436, San Diego 92193 | (858) 278-3080 |
| Wsa Security Inc 11526 Sorrento Valley Rd, San Diego 92121 | (858) 259-2929 |