| Business | Phone |
| Charleston Networks 1525 Sam Rittenberg Blvd, Charleston 29407 | (843) 225-3494 |
| Dcs Inc 21 Burns Ln # 201, Charleston 29401 | (843) 722-1169 |
| Davis Technology Consultants Charleston 29492 | (843) 884-8394 |
| High Speed Voice & Data 51 Wolk Dr, Charleston 29414 | (843) 364-8900 |
| Siebert Technology Group 1533 Folly Rd, Charleston 29412 | (843) 225-7844 |
| Tcn Solution 112 Old Saybrook Rd, Charleston 29418 | (843) 767-5673 |