| Company | Location | Certifications | License # |
|---|---|---|---|
| Bdgr Excavating Llc | Carthage, TN | Installer (Type C) | 14271 |
| Brian Windham Construction | Carthage, TN | Installer (Type C) | 4234 |
| Cumberland Site Services | Carthage, TN | Installer (Type C) | 13753 |
| Eatherly Group Inc | Carthage, TN | Installer (Type C) | 12433 |
| Kemp Brothers Construction, Inc. | Pleasant Shade, TN | Installer (Type C) | 11578 |
| Mid South Excavation | lebanon, TN | Installer (Type C) | 18141 |
| Pardue Excavating Llc | Brush Creek, TN | Installer (Type C) | 12066 |
| Patriot Contractors, LLC | Carthage, TN | Installer (Type C) | 12929 |
| Paul Rich Construction | Pleasant Shade, TN | Installer (Type C) | 12078 |
| Roberts construction | Carthage, TN | Installer (Type C) | 18288 |
| RT Builders, LLC | Elmwood, TN | Installer (Type C) | 17953 |
| Smith County Septic Service | Gordonsville, TN | Installer (Type C) | 11801 |
| Smith-Wilson County Septic Service | Elmwood, TN | Pumper | 446 |
| Stewart'S Excavating | Gordonsville, TN | Installer (Type C) | 10581 |
| Thompson'S Backhoe Service | Gordonsville, TN | Installer (Type C) | 9 |
| Triple C General Contracting | Pleasant Shade, TN | Installer (Type C) | 12962 |
| Wayne Spivey | Carthage, TN | Installer (Type C) | 12771 |
| West Farms & Construction, Llc ,Po Box 92 | Dixon Springs, TN | Installer (Type C) | 13186 |
18 companies in the TDEC active septic system installers & pumpers lists are based in Smith County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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