| Company | Location | Certifications | License # |
|---|---|---|---|
| A&B Excavating | Westmoreland, TN | Installer (Type C) | 12917 |
| Abc Septic Services, Llc | Gallatin, TN | Installer (Type C) | 12783 |
| Abc Septic Services, Llc | Bethpage, TN | Pumper | 949 |
| All Season Lawn and More, LLC | Bristol, TN | Installer (Type C) | 18122 |
| Bagsby Ranch DBA Master builders by Bagsby Ranch | Gallatin, TN | Installer | 6160 |
| Beyond Drain Solutions | Portland, TN | Installer (Type C)Pumper | 14290 |
| Brinkley Backhoe | Hendersonville, TN | Installer (Type CL) | 5172 |
| C&R Group General Contractors, LLC | Goodlettsville, TN | Installer (Type C) | 13606 |
| Charles Collins Construction | Portland, TN | Installer (Type CL) | 12367 |
| Chris Smith 117B Point Road | Portland, TN | Installer (Type CLM) | 11314 |
| Circle G Llc 234 W Biggs Rd Cottontown, Tn | — | Installer (Type CLM) | 14289 |
| David Mckinney/The 404 Company | Gallatin, TN | Installer (Type C) | 14222 |
| Eidson's Backhoe, Dozer and Electrical Service | Cottontown, TN | Installer (Type C) | 5091 |
| Herald Excavating | Westmoreland, TN | Installer (Type C) | 11791 |
| Hiller LLC | Nashville, TN | Installer (Type CLM) | 11770 |
| Hobdy Lawn and Landscape | Cross plains, TN | Installer (Type C) | 14087 |
| Hodges Earthworks | White House, TN | Installer (Type C) | 12906 |
| Holt Diversified, Llc | Hendersonville, TN | Installer (Type C) | 13513 |
| K-Tec | Portland, TN | Installer (Type CL) | 12363 |
| Key Construction | Portland, TN | Installer (Type C) | 430 |
| KL Home Improvement | Bethpage, TN | Installer (Type C) | 17920 |
| Lamberth & Sons Plumbing Co. Inc. | Goodlettsville, TN | Installer (Type C) | 251 |
| Legacy Development Group | Hendersonville, TN | Installer (Type C) | 17856 |
| Liberty Utilities LLC | Cottontown, TN | Installer (Type C)Pumper | 13056 |
| Linson Lawn Care & Landscaping | Cottontown, TN | Installer (Type C) | 12735 |
| Maxwell Septic Pumping, Llc | Gallatin, TN | Installer (Type C)Pumper | 12544 |
| Michael Shaver Plumbing & Septic Pumping, Llc - Fka U Name It Handy Svc,Llc | Bethpage, TN | Pumper | 596 |
| Michael Shaver Plumbing and Septic Pumping LLC | Bethpage, TN | Installer (Type C) | 13118 |
| Northstar Environmental Group, Inc. | Gallatin, TN | Installer (Type CL) | 12314 |
| Owen's Septic Service | Portland, TN | Pumper | 506 |
| P & H Excavating | Portland, TN | Installer (Type CLM) | 12910 |
| Perdue Trucking and Excavating | Portland, TN | Installer (Type C) | 5070 |
| Prock Construction | Bethpage, TN | Installer (Type C) | 10085 |
| Rocky Top Excavating, Llc | Gallayin, TN | Installer (Type C) | 13777 |
| Shane Woodard | Portland, TN | Installer (Type C) | 13122 |
| Tim Wakefield | Portland, TN | Installer (Type C) | 12732 |
| Tn Brush Busters & Excavation | Mount Juliet, TN | Installer (Type C) | 17860 |
| Todd Baun , Tn | — | Installer (Type C) | 18301 |
| Tri Star Septic Pumping LLC | Portland, TN | Pumper | 599 |
| Triple B Construction | Gallatin, TN | Installer (Type C) | 11168 |
| Troutt'S Construction | Westmoreland, TN | Installer (Type C) | 5048 |
| Volunteer Pumping Services, Llc | Portland, TN | Pumper | 592 |
| Wink Construction, LLC | Westmoreland, TN | Installer (Type C) | 17907 |
43 companies in the TDEC active septic system installers & pumpers lists are based in Sumner County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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