| Business | Phone |
| Dial One Moore Assoc Svc 2606 Durfee Ave, El Monte 91732 | (626) 444-2666 |
| Ers Security Alarm Systems 4538 Santa Anita Ave, El Monte 91731 | (626) 579-2525 |
| Security Response System 2200 Rosemead Blvd, El Monte 91733 | (626) 287-2311 |
| Advance Alarm 5130 Cogswell Rd, El Monte 91732 | (626) 444-8187 |
| Dial One Moore Assoc Svc 2606 Durfee Ave, El Monte 91732 | (626) 445-3019 |