| Business | Phone |
| Contact Point Technologies Inc 5255 Triangle Pkwy 150, Norcross 30092 | (770) 239-1643 |
| Videoconferencing Systems Inc 5801 Goshen Springs Rd A, Norcross 30071 | (770) 242-7566 |
| Telcosolutions Llc 6040 Unity Dr, Norcross 30071 | (678) 708-8000 |
| Pre Solutions Customer Care 520 Guthridge Ct, Norcross 30092 | (770) 349-4000 |
| Convergence Systems Inc 3950 Johns Creek Ct, Norcross 30071 | (770) 416-9993 |
| Ne Technologies Inc 520 Guthridge Ct, Norcross 30092 | (770) 453-9190 |
| Netifice Communications 6075 The Corners Pkwy 200, Norcross 30092 | (770) 308-0440 |