| Company | Location | Certifications | License # |
|---|---|---|---|
| Bobby Thomason Construction | Smithville, TN | Installer (Type C) | 4113 |
| Bruce Parsley | Smithville, TN | Installer (Type C) | 11301 |
| C & C Septic | Smithville, TN | Installer (Type C)Pumper | 14129 |
| Graham Services, Llc | Smithville, TN | Installer (Type CL) | 12064 |
| Holmes Services, Llc | Smithville, TN | Installer (Type C)Pumper | 13237 |
| Ian Johnson | Smithville, TN | Installer (Type C) | 13271 |
| J & J Construction | Smithville, TN | Installer (Type C) | 13270 |
| James Meadows Construction | Smithville, TN | Installer | 17941 |
| James West | Smithville, TN | Installer (Type C) | 13681 |
| James Winchester | Smithville, TN | Installer (Type C) | 17881 |
| Keith Excavating, Llc | Smithville, TN | Installer (Type C) | 18062 |
| Mid-Tenn Excavation LLC | smithville, TN | Installer (Type C) | 12761 |
| Moore’s Excavating | Smithville, TN | Installer (Type C) | 12679 |
| Quality Construction & Excavating | Smithville, TN | Installer (Type C) | 13128 |
| Tisdale Construction | Smithville, TN | Installer (Type C) | 10150 |
| Tomlinson Construction Company | Fairview, TN | Installer (Type C) | 10490 |
16 companies in the TDEC active septic system installers & pumpers lists are based in Dekalb County as of 2026-07-23. Companies based elsewhere in Tennessee also commonly serve the county.
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