| Business | Phone |
| Alpha Beta Technologies Inc 3411 Triana Blvd Sw, Huntsville 35805 | (256) 534-9067 |
| Amherst Systems Inc 7067 Old Madison Pike Nw, Huntsville 35806 | (256) 922-1446 |
| Arrel Enterprises Inc 2800 Bob Wallace Ave Sw # H, Huntsville 35805 | (256) 534-5853 |
| Betatron Corp 12303 Chicamauga Trl Se, Huntsville 35803 | (256) 880-8848 |
| Drs Technology 620 Discovery Dr Nw, Huntsville 35806 | (256) 971-5000 |
| Future Active Ind 13000 Memorial Pkwy Sw, Huntsville 35803 | (256) 881-4440 |
| Future Design Inc 2702 Triana Blvd Sw, Huntsville 35805 | (256) 883-1240 |
| Huntsville Micro Systems 2126 Metro Cir Sw, Huntsville 35801 | (256) 881-6007 |
| Okwu Associates Inc 1580 Sparkman Dr Nw # 105, Huntsville 35816 | (256) 837-3951 |
| Pentar Inc 906 Bob Wallace Ave Sw # F, Huntsville 35801 | (256) 519-6311 |
| Sky Corp Inc 603 Dement St Ne, Huntsville 35801 | (256) 533-9967 |
| Soneet 9114 Hogan Dr Se, Huntsville 35802 | (256) 883-5411 |
| Span Vmi Inc 351 Electronics Blvd Sw, Huntsville 35824 | (256) 464-0658 |
| Titan Corp 4970 Corporate Dr Nw # 110, Huntsville 35805 | (256) 837-9100 |