| Business | Phone |
| Bell South Security Systems 1341 Capital Cir Se # E, Marietta 30067 | (770) 987-3591 |
| Crime-Free Alarm 2627 Sandy Plains Rd, Marietta 30066 | (770) 441-3300 |
| Criticom International 1341 Capital Cir Se, Marietta 30067 | (770) 612-2988 |
| Custom Detection Systems Inc 830 Muirfield Trce, Marietta 30068 | (770) 509-1881 |
| Security Pro 3439 Clubland Dr, Marietta 30068 | (770) 509-0565 |
| Inter Link Control 1000 Emc Pkwy Ne, Marietta 30060 | (770) 429-3389 |
| Safeguard Security Systems 1343 Terrell Mill Rd Se 140, Marietta 30067 | (770) 612-9073 |
| Protection One Inc Marietta 30062 | (770) 977-3140 |
| Mc Larty Inc Security Systems 490 Kirk Rd Nw, Marietta 30060 | (770) 425-2499 |
| Midsouth Security Systems Inc 1732 Sands Pl Se, Marietta 30067 | (770) 951-2221 |
| Activity Monitoring Svc 1090 Northchase Pkwy Se, Marietta 30067 | (770) 984-3275 |
| Adi 2270 Northwest Pkwy Se 105, Marietta 30067 | (770) 850-0298 |
| Afa Protective Systems Inc 805 Franklin Ct Se, Marietta 30067 | (770) 794-9000 |
| Alarm Monitoring Svc-Atlanta 2252 Northwest Pkwy Se D, Marietta 30067 | (770) 984-0090 |
| Altec Systems Inc 200 Cobb Pkwy N 402, Marietta 30062 | (770) 420-0055 |
| Atlanta Northside Lock & Alarm 524 Liberty Lane, Marietta 30006 | (770) 578-4300 |
| Automatic Protection Svc Inc 3163 Canton Rd, Marietta 30066 | (770) 926-2531 |
| Casto Wiring & Security Inc 825 Jamerson Rd, Marietta 30066 | (770) 516-1433 |