| Company | Location | Certifications | License # |
|---|---|---|---|
| A Plus Plumbing Inc | Bristol, TN | Installer (Type C) | 146 |
| A-1 Mr. Sewer | Watauga, TN | Installer (Type C) | 12053 |
| Billie williams | Kingsport, TN | Installer (Type C) | 13443 |
| Blountville Septic Tank Service | Blountville, TN | Pumper | 121 |
| Bouton Home Builders | Bluff city, TN | Installer (Type C) | 1068 |
| Captain Septic Po Box 1615 Bristol, Tn | — | Pumper | 168 |
| Carr'S Backhoe Services | Blountville, TN | Installer (Type C) | 10901 |
| Carrier's Excavating | Bristol, TN | Installer (Type C) | 13290 |
| Cochran Landscape | Blountville, TN | Installer (Type C) | 12767 |
| Copperhead Ridge Glamping & RV Park, LLC | Bristol, TN | Pumper | 977 |
| Cox Construction | Bristol, TN | Installer (Type C) | 1434 |
| Cox Excavating | bluff city, TN | Installer (Type C) | 1457 |
| D. K. Roberts Excavating | Blountville, TN | Installer (Type C) | 10335 |
| Fisher'S Septic Service, Llc | Fall Branch, TN | Pumper | 174 |
| Gammon Construction | Kingsport, TN | Installer | 11011 |
| Glover'S Construction | Blountville, TN | Installer (Type C) | 10 |
| Gr Construction | Bristol, TN | Installer (Type C) | 1413 |
| Grady Harr | Bluff City, TN | Installer (Type C) | 181150 |
| Hillside services LLC | Bristol, TN | Installer (Type C) | 14226 |
| Jtb Construction, Llc | Kingsport, TN | Installer (Type CL) | 13729 |
| K&M excavating | piney flats, TN | Installer (Type C) | 12824 |
| Larry & Sons Backhoe Service | Bluff City, TN | Installer (Type C) | 10816 |
| M & J Roberts Construction, Llc | Piney Flats, TN | Installer (Type C) | 1414 |
| Potty Box Portables | Piney Flats, TN | Pumper | 981 |
| Ralph Fields and Son Excavating | Kingsport, TN | Installer (Type C) | 799 |
| Reliance Construction Services | Bristol, TN | Installer (Type C) | 12382 |
| Roberts Septic | Piney Flats, TN | Installer (Type C) | 18024 |
| Seven Dogs Excavating | Bluff City, TN | Installer (Type C) | 18206 |
| Slone'S Plumbing | Bristol, TN | Installer (Type C)Pumper | 18048 |
| Sunbear Outdoors | Kingsport, TN | Installer (Type C) | 18231 |
| Waterman’s Excavating and Construction | Blountville, TN | Installer (Type C) | 13723 |
| Webb Construction | Bluff City, TN | Installer (Type C) | 1143 |
32 companies in the TDEC active septic system installers & pumpers lists are based in Sullivan County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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