| Business | Phone |
| Security Assurance Systems 1611 N Interstate 35e 410, Carrollton 75006 | (972) 446-9300 |
| Wozcomm Systems Carrollton 75007 | (972) 492-9530 |
| Craig Consulting Svc 1740 S Interstate 35e, Carrollton 75006 | (972) 406-0644 |
| Delivery Networks Of America 3440 Sojourn Dr, Carrollton 75006 | (972) 248-0102 |
| Logicnet 3440 Sojourn Dr 240, Carrollton 75006 | (972) 248-1455 |
| Secure Concepts Intl 3740 N Josey Ln, Carrollton 75007 | (972) 492-4000 |