| Company | Location | Certifications | License # |
|---|---|---|---|
| A team septic | Chaple, TN | Installer (Type C) | 13212 |
| Adam Orr Construction, LLC | Petersburg, TN | Installer | 13618 |
| American Dirtworks | Chapel Hill, TN | Installer (Type CLM) | 13741 |
| Blalock Plumbing, Electric & Hvac, Inc. | Lewisburg, TN | Installer (Type C) | 6224 |
| Burrahm Construction | Lewisburg, TN | Installer (Type C) | 11754 |
| Cheatham Construction | Lewisburg, TN | Installer (Type C) | 6062 |
| Clune Llc | Petersburg, TN | Installer | 14354 |
| Conley's Septic Service | Lewisburg, TN | Pumper | 379 |
| Cozart repair | Lewisburg, TN | Installer | 14353 |
| Denton's | Lewisburg, TN | Installer (Type C) | 12694 |
| Dylan Osborne 2574, Yell Rd | Lewisburg, TN | Installer | 14340 |
| England builders and consulting llc | Lewisburg, TN | Installer (Type C) | 13488 |
| Forest Laine Excavation | Lewisburg, TN | Installer (Type C) | 13668 |
| Gray Park Plumbing | Lewisburg, TN | Installer (Type C) | 18275 |
| Helmick Excavation | Lewisburg, TN | Installer (Type C) | 13234 |
| Horst Builders | Lewisburg, TN | Installer (Type C) | 12265 |
| Hunter Watkins | Lewisburg, TN | Installer | 14361 |
| Jeff Knox Construction 1001wilson School Road | Chapel Hill, TN | Installer (Type C) | 12802 |
| Keith Hooten Construction | Lewisburg, TN | Installer (Type C) | 11939 |
| Kevin Tatum | Lewisburg, TN | Installer (Type C) | 14083 |
| LC & Company LLC | Lewisburg, TN | Installer | 18351 |
| M6 Specialized Services | Chapel Hill, TN | Installer (Type C) | 12880 |
| Mid-Tenn Excavators | Lewisburg, TN | Installer | 18352 |
| Platinum Concrete | Lewisburg, TN | Installer (Type C) | 12669 |
| Rhad Stephens , Tn | — | Installer (Type C) | 13551 |
| Ronald Tanner Edwards | Cornersville, TN | Installer (Type C) | 18031 |
| S & H Septic | Lewisburg, TN | Installer (Type C) | 13549 |
| Scoggins & Co.,LLC | Lewisburg, TN | Installer (Type C) | 14305 |
| Stegall Backhoe & Dozier | Lewisburg, TN | Installer (Type C) | 374 |
| Steve Hooten Construction | Lewisburg, TN | Installer (Type C) | 10369 |
| Weir Backhoe | Lewisburg, TN | Installer (Type C) | 915 |
| Whaley'S Backhoe Service | Lewisburg, TN | Installer (Type C) | 6223 |
| William Griffin | Lewisburg, TN | Installer (Type C) | 14227 |
| Zimmerle Construction | Chapel Hill, TN | Installer (Type CLMD) | 12443 |
34 companies in the TDEC active septic system installers & pumpers lists are based in Marshall County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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