| Business | Phone |
| All American Semiconductor 4940 Corporate Dr Nw # D, Huntsville 35805 | (256) 837-1555 |
| Fairchild Semiconductor 7800 Madison Blvd, Huntsville 35806 | (256) 533-0958 |
| Freescale Semiconductor 351 Electronics Blvd Sw # A, Huntsville 35824 | (256) 464-6800 |
| Freescale Semiconductor 6767 Old Madison Pike Nw # 490, Huntsville 35806 | (256) 922-4000 |
| Insight Electronics 4835 University Sq # 12, Huntsville 35816 | (256) 830-1222 |
| Linear Technology Corp 14002 Earlwood Dr Se, Huntsville 35803 | (256) 885-0215 |
| On Semiconductor Corp 351 Electronics Blvd Sw, Huntsville 35824 | (256) 774-1004 |
| Rep Inc Dgn None 11535 Gilleland Rd Se, Huntsville 35803 | (256) 881-9270 |
| S 3 615 Discovery Dr Nw, Huntsville 35806 | (256) 539-1700 |
| Unique Technologies Inc 4835 University Sq # 16, Huntsville 35816 | (256) 721-8720 |