| Business | Phone |
| Arrow Alarm Screen Co 1309 Simpson Way # E, Escondido 92029 | (760) 743-0139 |
| Dependable Alarm Systems 1123 Industrial Ave, Escondido 92029 | (760) 741-9055 |
| E-Tech Security 1330 E Valley Pkwy # E, Escondido 92027 | (760) 480-9803 |
| Protection Plus Systems 2613 Gianelli Ln, Escondido 92025 | (760) 480-9990 |
| Mission Security Home Alarms 1563 Fairmount Pl, Escondido 92027 | (760) 740-1332 |
| H & H Security Systems Escondido 92025 | (760) 747-4232 |
| Hill Security Systems Escondido 92025 | (760) 741-9694 |