| Business | Phone |
| Security General Intl 2213 W Braker Ln, Austin 78758 | (512) 451-7157 |
| Ranger American 11500 Metric Blvd 210, Austin 78758 | (512) 459-7626 |
| Ge Interlogix Inc 300 W 6th St # 1850, Austin 78701 | (512) 381-2760 |
| Securitylink From Ameritech 8204 N Lamar Blvd, Austin 78753 | (512) 833-8181 |
| Granite Security Systems 12201 Technology Blvd # 110, Austin 78727 | (512) 336-2953 |
| Honeywell Vindicator Tech 9301 W Highway 290, Austin 78736 | (512) 301-8400 |
| Security Systems Austin 3800 N Lamar Blvd, Austin 78756 | (888) 800-7014 |