| Company | Location | Certifications | License # |
|---|---|---|---|
| AAA Septic Tank Service | Oktaha, OK | Septage Hauler | 547 |
| CBL Services | Muskogee, OK | Installer (Subsurface, Aerobic Spray) | 1206 |
| D and S Solutions LLC | Oktaha, OK | Installer (Subsurface, Aerobic Spray) | 884 |
| Harris Contractors | Ft Gibson, OK | Installer (Subsurface, Aerobic Spray) | 996 |
| K4 Construction & Septic | Porum, OK | Installer (Subsurface, Aerobic Spray) | 1079 |
| Martys Backhoe Service | Muskogee, OK | Installer (Subsurface, Lagoon, Aerobic Spray) | 565 |
| Oklahoma Septic & Excavation | Muskogee, OK | Installer (Subsurface, Aerobic Spray) | 1155 |
| Sweet Septic Pumps | Muskogee, OK | Septage Hauler | 935 |
8 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Muskogee County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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