| Business | Phone |
| Rtms Inc 12460 Crabapple Rd, Alpharetta 30004 | (770) 998-2112 |
| Navco Security Systems 6845 Shiloh Rd E, Alpharetta 30005 | (678) 947-3740 |
| Ipsa Intl Inc 4080 Mcginnis Ferry Rd 1305, Alpharetta 30005 | (678) 762-0880 |
| Irg Network Securities Inc 3700 Mansell Rd, Alpharetta 30022 | (770) 625-5040 |