| Business | Phone |
| Action Electric 790 Torrey Pines Dr, Sumter 29150 | (803) 481-7737 |
| Bogdany Electric Sumter 29150 | (803) 778-0072 |
| Butler Electric Co 1136 Pocallo Rd, Sumter 29150 | (803) 775-2297 |
| Carolina Electric Of Sumter 340 Tondaleia Dr, Sumter 29153 | (803) 481-5215 |
| Ducom Industrial Electric 366 Neeley St, Sumter 29150 | (803) 778-6572 |
| Varner Inc 905 N Pike W, Sumter 29153 | (803) 934-0444 |
| Web Electric Inc 450 S Guignard Dr, Sumter 29150 | (803) 773-4102 |
| Friel's Electric 575 E Calhoun St, Sumter 29150 | (803) 773-0391 |
| Green's Electric Svc 61 Westwood Dr, Sumter 29154 | (803) 775-4256 |
| Sieger's Services Po Box 102, Sumter 29151 | (803) 499-2477 |
| Kalish Electric Co 3325 Carter Rd, Sumter 29150 | (803) 494-8832 |
| Service Electric & Plumbing 18 Hard Pack Rd, Sumter 29154 | (803) 499-4474 |
| Kmb Electric Co Inc 34 Bridge Ct # 1, Sumter 29150 | (803) 934-1370 |
| Kmb Electric Co Inc 405 Lakewood Dr, Sumter 29150 | (803) 481-0434 |
| L-B Electric Co Inc 208 S Magnolia St, Sumter 29150 | (803) 778-2779 |
| Lcm Electric Inc 791 E Liberty St, Sumter 29153 | (803) 773-4824 |
| Mills Electric Co 508 E Calhoun St, Sumter 29150 | (803) 775-1269 |