| Business | Phone |
| Analog Devices Inc 2805 Pchtree Ind Blvd # 215, Duluth 30097 | (770) 497-4440 |
| Electrical Products Inc 2750 Breckenridge Blvd 400, Duluth 30096 | (770) 451-9146 |
| Tripoint Global Broadband Wire 4825 River Green Pkwy, Duluth 30096 | (770) 689-2095 |
| Optrex America Inc 2750 Premiere Pkwy 300, Duluth 30097 | (770) 622-2146 |