| Company | Location | Certifications | License # |
|---|---|---|---|
| A3 Development, Llc | Fayetteville, TN | Installer (Type C) | 17968 |
| Absolute lawn and land maintenance | Fayetteville, TN | Installer (Type C) | 17913 |
| Allen Co. Land Services | Fayetteville, TN | Installer (Type C) | 14015 |
| BEN WELCH dba WELCH CONSTRUCTION | Flintville, TN | Installer (Type C) | 12897 |
| Brandon Gray | Fayettesville, TN | Installer (Type C) | 383 |
| Brown Construction | Fayetteville, TN | Installer (Type C) | 10923 |
| Elk River Excavation | Fayetteville, TN | Installer (Type C) | 13574 |
| Franks Backhoe Service | Dellrose, TN | Installer (Type C) | 12564 |
| Keiths Tank Service | Fayetteville, TN | Installer (Type C)Pumper | 11308 |
| Luke Stanly Excavation | Flintville, TN | Installer (Type C) | 13999 |
| Marberry Construction LLC | Taft, TN | Installer (Type C) | 17989 |
| Matt Dillon Plumbing | Petersburg, TN | Installer (Type C) | 6099 |
| Max Quick's Backhoe Service | Flintville, TN | Installer (Type C) | 6284 |
| Parker Construction | Frankewing, TN | Installer (Type C) | 10932 |
| Perry Excavation LLC | Frankewing, TN | Installer (Type C) | 14215 |
| Powerhouse Plumbing Pros LLC | Fayetteville, TN | Installer (Type C) | 18180 |
| Ron Stanly Landscaping and Backhoe | Fayetteville, TN | Installer (Type CM) | 10261 |
| Rozar Construction | Fayetteville, TN | Installer (Type C) | 13295 |
| S&R Backhoe | Flintville, TN | Installer (Type C) | 132 |
| Steven Dempsey | Kelso, TN | Installer (Type C) | 13575 |
| Swinford Backhoe | Taft, TN | Installer (Type C) | 6094 |
| Tnt Construction | Fayetteville, TN | Installer (Type C) | 11788 |
| Walls excavation and septic | Shelbyville, TN | Installer (Type C) | 13386 |
23 companies in the TDEC active septic system installers & pumpers lists are based in Lincoln County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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