| Business | Phone |
| Computer Training Center 4830 Lawrenceville Hwy Nw # 1a, Lilburn 30047 | (770) 717-1777 |
| Questech Communications 4814 Stone Mountain Hwy, Lilburn 30047 | (678) 344-5240 |
| Computer Training Ctr 4830 Lawrenceville Hwy Nw 1a, Lilburn 30047 | (678) 218-9003 |