| Business | Phone |
| Tennessee Electrical 3319 Foster Chapel Rd, Columbia 38401 | (931) 583-2227 |
| Douglas Electric & Constr Columbia 38401 | (931) 215-9710 |
| Drm Llc 819 Mayberry Springs Rd, Columbia 38401 | (931) 380-1025 |
| Quality Contractors Inc 1201 S High St, Columbia 38401 | (931) 381-3779 |
| Shackelford Electric Svc 605 Canyon Dr, Columbia 38401 | (931) 388-9191 |
| Mark Dawson Electric 2305 Highland Ave, Columbia 38401 | (931) 381-8242 |