| Business | Phone |
| Trilogy Software Inc 6011 W Courtyard Dr, Austin 78730 | (512) 874-3100 |
| Secure Care Technologies Inc 3755 S Capital Of Texas Hwy, Austin 78704 | (512) 439-3900 |
| Info Tech Inc 8310 N Capital Of Texas Hwy, Austin 78731 | (512) 342-0028 |
| Attack Systems 8113 Wexford Dr, Austin 78759 | (512) 331-7789 |
| Pervasive Software Inc 12365 Riata Trace Pkwy B, Austin 78727 | (512) 231-6000 |
| Positron Public Safety System 10832 Olympia Fields Loop, Austin 78747 | (512) 291-8160 |
| Brs 2013 Wells Branch Pkwy 206, Austin 78728 | (512) 251-7541 |