| Company | Location | Certifications | License # |
|---|---|---|---|
| 3B Service Co. | Red Boiling Springs, TN | Installer (Type C) | 17918 |
| Brawner's Excavating | Lafayette, TN | Installer (Type C) | 12242 |
| Charles Sandifer | Lafayette, TN | Installer (Type C) | 12523 |
| Cw Septic & Excavation | — | Installer (Type C) | 18296 |
| Denney's Excavation And Grading | Lafayette, TN | Installer (Type C) | 13439 |
| DP Earthworx | Lafayette, TN | Installer (Type C) | 18111 |
| J H Builders | Westmoreland, TN | Installer (Type C) | 14091 |
| Kelvin Gregory | Lafayette, TN | Installer (Type C) | 17998 |
| L.E.W Excavation llc | Hartsville, TN | Installer | 14333 |
| Next Trench Excavation | Lafayette, TN | Installer (Type C) | 13313 |
| Nick Roark | Lafayette, TN | Installer (Type C) | 13518 |
| Powell & Son Construction | Red Boiling Springs, TN | Installer (Type C) | 4046 |
| Rhc | Westmoreland, TN | Installer (Type C) | 13041 |
| Solid Rock Construction | Lafayette, TN | Installer (Type C) | 13652 |
| Tim Driver Construction | Lafayette, TN | Installer (Type C) | 4024 |
| Trent Tank & Backhoe Service | Lafayette, TN | Installer (Type C) | 4155 |
| Ward Construction | Westmoreland, TN | Installer (Type C) | 4159 |
17 companies in the TDEC active septic system installers & pumpers lists are based in Macon County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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