| Company | Location | Certifications | License # |
|---|---|---|---|
| Bazan Construction, Inc. | Sevierville, TN | Installer (Type C) | 14037 |
| Blalock Lumber Company | Sevierville, TN | Installer (Type C) | 2256 |
| Bluff Mountain Construction, LLC | Seymour, TN | Installer (Type C) | 18128 |
| Buttermilk Excavating | Seymour, TN | Installer (Type C) | 12231 |
| C.D. Legacy Builders, LLC | Sevierville, TN | Installer | 18132 |
| Cedar Branch Excavating | Sevierville, TN | Installer (Type C) | 12769 |
| E. Luke Greene Company, Inc. | Strawberry Plains, TN | Installer (Type C) | 11027 |
| Fiorio Building Company | Sevierville, TN | Installer (Type C) | 12997 |
| GB Diggers, LLC | Pigeon Forge, TN | Installer (Type C) | 13501 |
| Gibson & Son Excavating, Inc. | Seymour, TN | Installer (Type C) | 2257 |
| Huskey Excavating | Pigeon Forge, TN | Installer (Type C) | 5005 |
| Mountain Country Excavation & Yardworks, LLC | Sevierville, TN | Installer | 10668 |
| Ramsey & Sons Excavating LLC | Sevierville, TN | Installer (Type C) | 13027 |
| Rex Howard'S Landscaping And Excavating | Gatlinburg, TN | Installer (Type C) | 14237 |
| Site Source | Blaine, TN | Installer (Type C) | 13220 |
| Specialized Construction | Sevierville, TN | Installer (Type C) | 5312 |
| Venture Contracting, Inc. | Sevierville, TN | Installer (Type C) | 18157 |
| Watson Construction | Sevierville, TN | Installer (Type C) | 2300 |
18 companies in the TDEC active septic system installers & pumpers lists are based in Sevier County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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