| Business | Phone |
| Tri-County Heating Air Svc 375 Red Pond Rd, Sweetwater 37874 | (423) 337-5048 |
| Valley Electric & Plumbing 112 Starrett St, Sweetwater 37874 | (423) 337-6200 |
| Valley Heating & Air 1620 Monroe St, Sweetwater 37874 | (423) 337-2377 |
| W W Morrow & Sons Heating 132 Industrial Park Rd, Sweetwater 37874 | (423) 337-3583 |
| Custom Sheet Metal 105 County Road 352, Sweetwater 37874 | (423) 337-5432 |
| Hall Ac & Heating 499 County Road 360, Sweetwater 37874 | (423) 507-9808 |
| Melvin Martin Heating & Air 1637 Old Highway 68, Sweetwater 37874 | (423) 745-2919 |
| Martin Melvin Heating & Air 1637 Old Highway 68, Sweetwater 37874 | (423) 337-0037 |