| Business | Phone |
| Annie Mechanical Maintenance 600 Bryan St, Old Hickory 37138 | (615) 847-4375 |
| Artic Refrigeration & Total 4106 Church St, Old Hickory 37138 | (615) 594-5269 |
| Cherry's Energy Mgmt Htg Cool 4116 Meadow Green Dr, Old Hickory 37138 | (615) 496-2393 |
| Frogge's Air Conditioning 2206 Old Hickory Blvd, Old Hickory 37138 | (615) 847-1281 |
| Pratt Electric Old Hickory 37138 | (615) 847-0029 |
| Home Climate Spec 1610 Bondurant St, Old Hickory 37138 | (615) 847-9530 |
| Just-In-Tyme Heating & Cooling 137 Park Cir, Old Hickory 37138 | (615) 604-5319 |