| Business | Phone |
| Eis Inc 2100 Nancy Hanks Dr # F, Norcross 30071 | (770) 407-4700 |
| Elna America Inc 3169 Holcomb Bridge Rd 790, Norcross 30071 | (770) 447-0261 |
| T Tech Inc 510 Guthridge Ct, Norcross 30092 | (770) 455-0676 |
| Tech Electronics 270 Scientific Dr 10, Norcross 30092 | (770) 446-1416 |
| Toshiba Electronic Imaging 5335 Triangle Pkwy, Norcross 30092 | (770) 209-8540 |
| Odyssey Products 5845 Oakbrook Pkwy G, Norcross 30093 | (770) 825-0243 |
| Microwave Resources Inc 3040 Business Park Dr, Norcross 30071 | (770) 441-9193 |