| Company | Location | Certifications | License # |
|---|---|---|---|
| City of Holdeville | Holdenville, OK | Septage Hauler | 696 |
| Howard Dozer Service | Allen, OK | Installer (Subsurface, Lagoon, Aerobic Spray, Aerobic Drip) | 724 |
| Huff Trenching and Septic Services, LLC | Holdenville, OK | Septage Hauler | 744 |
| Huff Trenching LLC | Holdenville, OK | Installer (Subsurface, Aerobic Spray) | 784 |
| Posey Construction | Wetumka, OK | Installer (Aerobic Spray) | 1044 |
5 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Hughes County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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