| Business | Phone |
| Action Electronics 8907 Two Notch Rd # G, Columbia 29223 | (803) 788-2444 |
| Eau Claire Tv Inc 4912 Fairfield Rd, Columbia 29203 | (803) 786-5668 |
| Electrolab Columbia 29201 | (803) 361-3723 |
| Fairmont Tv Svc Inc 7014 Fairmont Rd, Columbia 29209 | (803) 783-0481 |
| Five Points Electronics 2201 Greene St, Columbia 29205 | (803) 799-5420 |
| Forest Lake Tv 3538 Covenant Rd, Columbia 29204 | (803) 787-3555 |
| Mastec Network Svc 4 Sunbelt Blvd, Columbia 29203 | (803) 735-0727 |
| Palmetto Electronics Inc 5720c Shakespeare Rd, Columbia 29223 | (803) 754-3430 |
| Whitehall Tv Sales & Svc 3640 Bush River Rd, Columbia 29210 | (803) 798-1052 |