| Business | Phone |
| Altair Engineering 708 S College St, Mckinney 75069 | (214) 733-8681 |
| Lee Consulting 2819 Glen Hollow Dr, Mckinney 75070 | (972) 562-5732 |
| Lone Star Solutions 2603 High Pointe Blvd, Mckinney 75071 | (972) 548-7759 |
| Pioneer New Media Technologies 6008 Wildwood Dr, Mckinney 75070 | (972) 529-6847 |
| Protected Networking 2009 Ivy Ct, Mckinney 75070 | (972) 369-1237 |
| Viking Consulting Svc Mckinney 75069 | (214) 592-9600 |
| Wag N Wheels 145 Aero Country Rd, Mckinney 75071 | (972) 529-6290 |
| Trinity Computer Consulting 3708 Bayberry Ct, Mckinney 75070 | (972) 529-2845 |
| R E French Consulting Svc 1601 N Waddill St, Mckinney 75069 | (972) 547-4266 |