| Business | Phone |
| Guardian Protection Svc 4451 Atlanta Rd Se, Smyrna 30080 | (770) 240-1800 |
| H & M Alarm Systems 702 Parkway Ave Se, Smyrna 30080 | (770) 433-2744 |
| R K Protective Svc Smyrna 30080 | (770) 434-3975 |
| Pro Alarm Protection Inc 3733 Cline Dr Se, Smyrna 30082 | (770) 437-8794 |
| Monitronics International Inc 34 Peachtree St, Smyrna 30080 | (770) 953-1124 |
| Aaa Alarm System 1330 Concord Rd Se, Smyrna 30080 | (770) 432-2200 |
| Alarmco Security Systems 4561 Pine St Se, Smyrna 30080 | (770) 333-0202 |