| Business | Phone |
| B & R Communications Inc 3225 Reidville Rd # 1, Spartanburg 29301 | (864) 574-8500 |
| Business Communications Inc 100 Corporate Dr # N, Spartanburg 29303 | (864) 599-0054 |
| Columbus Data Technologies 4211 Anderson Mill Rd, Spartanburg 29301 | (864) 595-1124 |
| Johnson Communications Inc 1070 Asheville Hwy, Spartanburg 29303 | (864) 542-9595 |