| Company | Location | Certifications | License # |
|---|---|---|---|
| Adams Excavating | Coalmont, TN | Installer (Type C) | 3150 |
| Adams Excavation | Coalmont, TN | Pumper | 320 |
| Bwn Construction, Llc | Tracy City, TN | Installer (Type C) | 14242 |
| CDL enterprise | Altamont, TN | Installer (Type C) | 17899 |
| D. Harris Excavation & Utility | Altamont, TN | Installer (Type C) | 13423 |
| Frye Excavating & Landscaping | Greeneville, TN | Installer (Type C) | 13450 |
| Hampton construction | Tracy city, TN | Installer (Type C) | 402 |
| J&B Construction | Tracy City, TN | Installer (Type C) | 13243 |
| Mountain septic service and more | Gruetli Laager, TN | Installer (Type C) | 17924 |
| Philip A. Stewart | Palmer, TN | Installer (Type C) | 18053 |
| Shipley Excavation | Palmer, TN | Installer (Type C) | 221 |
| TD Dirtworks | Tracy city, TN | Installer (Type C) | 17931 |
| Tennessee Timber, Excavation and Land Clearing | McMinnville, TN | Installer | 14378 |
| Zebulun Morgan | Pelham, TN | Installer | 18327 |
14 companies in the TDEC active septic system installers & pumpers lists are based in Grundy County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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