| Business | Phone |
| Grayco Systems 201 Campbell Loop, Hattiesburg 39401 | (601) 583-0430 |
| Integrated Computer Svc Inc 14 Plaza Dr, Hattiesburg 39402 | (601) 261-5100 |
| Lance Computer Systems 5 Shoreline Blvd, Hattiesburg 39402 | (601) 264-1606 |
| Premise Inc 7 Woodstone Plz, Hattiesburg 39402 | (601) 579-9475 |
| Professional Pc Solutions 6606 U S Highway 98 # 6, Hattiesburg 39402 | (601) 450-2131 |