| Company | Location | Certifications | License # |
|---|---|---|---|
| Ben & William Naillon's Construction | Newport, TN | Installer (Type C) | 12633 |
| Blue Ridge Dirtworks | Limestone, TN | Installer | 10818 |
| Brockwell Construction Company, Inc | Newport, TN | Installer (Type C) | 14239 |
| Brown'S Excavating And Septic | Newport, TN | Installer (Type C) | 13090 |
| Buckner Construction And Excavating | Newport, TN | Installer (Type C) | 17886 |
| Eakin excavating | Straw Plains, TN | Installer | 18346 |
| Eric Naillon'S Backhoe Service | Newport, TN | Installer (Type C) | 11357 |
| Fred Naillon& sons Septic Tanks | Newport, TN | Pumper | 296 |
| Glen Shelton | Del Rio, TN | Installer (Type C) | 18164 |
| Goode Septic Tank Service | Newport, TN | Pumper | 280 |
| Grooms & Son Backhoe | Cosby, TN | Installer (Type C) | 2372 |
| Holt'S Backhoe & Dumptruck | Del Rio, TN | Installer (Type C) | 934 |
| J & J Landscaping | Newport, TN | Installer (Type C) | 13802 |
| JS Lawn & Cleaning Service | Newport, TN | Installer | 11152 |
| Kelly Williamson | Cosby, TN | Installer (Type C) | 11386 |
| Kurtis Brady | Cosby, TN | Installer (Type C) | 13455 |
| Lil Al'S Track Work | Newport, TN | Installer (Type C) | 11591 |
| MANTOOTH ENTERPRISES Inc | Newport, TN | Installer (Type C) | 10939 |
| Michael T. Johnson Const. | Parrottsville, TN | Installer (Type C) | 12126 |
| Minor Excavating | Newport, TN | Installer | 7516 |
| Modern Mountain Living | Del Rio, TN | Installer (Type C) | 18294 |
| On Site Excavating, LLC | Newport, TN | Installer | 18325 |
| Perrymans excavating | White Pine, TN | Installer (Type C) | 12591 |
| Phillips Construction | Cosby, TN | Installer (Type C) | 2388 |
| Ricky’s Construction | Cosby, TN | Installer (Type C) | 11964 |
| Rocky top site works | Cosby, TN | Installer (Type C) | 14256 |
| Shayne'S Excavating | Newport, TN | Installer (Type C) | 13098 |
| Smoky Mountain Family Farms | Newport, TN | Pumper | 366 |
| Targeted Utility Location Services, LLC 602, N. Hwy 340 | parrottsville, TN | Installer (Type C) | 18093 |
| TERRAworks Excavating | Newport, TN | Installer (Type C) | 12822 |
| Tom Messer Septic Tank Service | Newport, TN | Pumper | 900 |
| Vinson Construction | Newport, TN | Installer (Type C) | 18252 |
| Williams Excavating | Newport, TN | Installer (Type C) | 12601 |
33 companies in the TDEC active septic system installers & pumpers lists are based in Cocke County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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