| Business | Phone |
| Brainsurf Informatics Inc 1207 Lincoln St, Columbia 29201 | (803) 254-1120 |
| Cisco Systems Inc 4875 Forest Dr # 206, Columbia 29206 | (803) 790-2900 |
| Columbia Networking 4500 Fort Jackson Blvd, Columbia 29209 | (803) 765-2004 |
| Complete Computer Center 3200 Two Notch Rd, Columbia 29204 | (803) 735-0080 |
| Computer Md 4350 Saint Andrews Rd, Columbia 29210 | (803) 561-0086 |
| Converge Communications Llc 1350 Browning Rd, Columbia 29210 | (803) 798-0727 |
| Data Solutions Inc 1410 Blanding St # 204, Columbia 29201 | (803) 714-9433 |
| Diversified Computer Solutions 115 Atrium Way, Columbia 29223 | (803) 419-3501 |
| Dpn Consulting Llc Columbia 29206 | (803) 920-6632 |
| Extra Mile Consulting 8009 Winnsboro Rd, Columbia 29203 | (803) 252-7202 |
| Hook Up Center Columbia 29212 | (803) 732-4420 |
| Integrated Business Systems 1601 Shop Rd # E, Columbia 29201 | (803) 736-5595 |
| International Computer Svc 736 Saint Andrews Rd # D152, Columbia 29210 | (803) 750-4975 |
| Krs Systems Inc 406 Old Friars Rd, Columbia 29210 | (803) 798-0419 |
| Lansystems Llc 2500 Devine St # K, Columbia 29205 | (803) 252-9292 |
| Net Tech 3014 Devine St # 105, Columbia 29205 | (803) 413-9837 |
| Palmetto Soft Technologies 1233 Washington St # 1000, Columbia 29201 | (803) 233-2001 |
| Systems & Svc Llc 5317 Bush River Rd, Columbia 29212 | (803) 561-9440 |