| Business | Phone |
| Bifulco Infosystems Corp 3225 Bob Wallace Ave Sw # F, Huntsville 35805 | (256) 539-8229 |
| Camber Corp 635 Discovery Dr Nw, Huntsville 35806 | (256) 922-0200 |
| Camber Corp Itd 977 Explorer Blvd Nw, Huntsville 35806 | (256) 922-0200 |
| Chandler May Inc 133 W Park Loop Nw, Huntsville 35806 | (256) 722-0175 |
| Char Pan Po Box 12231, Huntsville 35815 | (256) 855-4250 |
| Ciber Inc 7501 Memorial Pkwy Sw # 107, Huntsville 35802 | (256) 882-6900 |
| Exodus Technology Corp 7501 Memorial Pkwy Sw # 101, Huntsville 35802 | (256) 885-2181 |
| Inca Informatics 704 Randolph Ave Se, Huntsville 35801 | (256) 539-8822 |
| Information Engineering 4900 Bradford Dr Nw, Huntsville 35805 | (256) 713-5001 |
| J M Glass & Assoc 5725 Jones Valley Dr Se, Huntsville 35802 | (256) 653-1503 |
| Jaya Corp 4900 University Sq # 30, Huntsville 35816 | (256) 722-0700 |
| Macro Industries Inc 1035 Putman Dr Nw # E, Huntsville 35816 | (256) 721-1120 |
| Radical Systems Inc 3313 Memorial Pkwy Sw # 150, Huntsville 35801 | (256) 883-9791 |
| Research Analysis & Mntnc Inc 1525 Perimeter Pkwy Nw # 110, Huntsville 35806 | (256) 895-8402 |
| Saic 300 Voyager Way Nw, Huntsville 35806 | (256) 890-3110 |
| Siren Micro Systems 600 Boulevard South Sw, Huntsville 35802 | (256) 650-2194 |
| Smith Advanced Technology 2009 Gallatin St Sw, Huntsville 35801 | (256) 533-3822 |
| Systems Support Inc 4717 University Dr Nw # 101, Huntsville 35816 | (256) 837-7772 |
| Tek Edge 542 Farmingdale Rd Se, Huntsville 35803 | (256) 885-4327 |
| Telepresence Inc 2602 La Grande St Sw, Huntsville 35801 | (256) 534-7327 |
| Total Tec Systems Inc 2327 Gallatin St Sw, Huntsville 35801 | (256) 536-0986 |
| United Controls Corp 6767 Old Madison Pike Nw # 265, Huntsville 35806 | (256) 971-6144 |
| United Controls Inc 5701 Holmes Ave Nw, Huntsville 35816 | (256) 837-6144 |