| Business | Phone |
| All American Semiconductor 1845 Satellite Blvd 850, Duluth 30097 | (770) 622-5250 |
| Altera Corp 3675 Crestwood Pkwy Nw 400, Duluth 30096 | (770) 935-6070 |
| Texas Instruments Inc 2180 Satellite Blvd, Duluth 30097 | (770) 281-9195 |
| Toshiba America Inc 3700 Crestwood Pkwy Nw 160, Duluth 30096 | (770) 931-3363 |