| Business | Phone |
| Affiliated Computer Svc 5015 Bradford Dr Nw # 2, Huntsville 35805 | (256) 830-1400 |
| Engineering Management Concept 4825 University Sq # 14, Huntsville 35816 | (256) 971-9040 |
| Jrms 4890 University Sq, Huntsville 35816 | (256) 704-5134 |
| Micro Craft 123 Fairington Rd Nw, Huntsville 35806 | (256) 830-9746 |
| On-Line Applications Research 4910 Corporate Dr Nw # L, Huntsville 35805 | (256) 722-9985 |
| Pass Network Inc 555 Sparkman Dr Nw # 1602c, Huntsville 35816 | (256) 721-0901 |