| Business | Phone |
| United Security Sytems Kennesaw 30144 | (770) 424-6400 |
| M G Systems Inc 771 Shallowford Rd Ne, Kennesaw 30144 | (770) 516-5555 |
| Loud Security Systems Inc 975 Cobb Place Blvd Nw, Kennesaw 30144 | (770) 427-1300 |
| A D Holdings 3391 Town Point Dr Nw 100, Kennesaw 30144 | (770) 874-8750 |
| Advanced Security Technology 1275 Shiloh Rd Nw 2460, Kennesaw 30144 | (770) 426-9606 |