| Company | Location | Certifications | License # |
|---|---|---|---|
| Bakers Pumping Services | Heavener, OK | Septage Hauler | 766 |
| Bakers Septic, LLC | Heavener, OK | Installer (Subsurface, Aerobic Spray) | 993 |
| BDS Septic Service | Fort Smith, OK | Septage Hauler | 814 |
| Bryant Dirtworks LLC | Talihina, OK | Installer (Subsurface, Aerobic Spray) | 779 |
| C Ryburn Construction LLC | Poteau, OK | Septage Hauler | 648 |
| Drain Masters | Pocola, OK | Septage Hauler | 340 |
| Frayne's Excavation Services LLC | Cameron, OK | Installer (Subsurface, Aerobic Spray) | 1010 |
| Howard Construction | Pocola, OK | Installer (Subsurface) | 189 |
| J B Lloyd | LeFlore, OK | Installer (Subsurface) | 769 |
| New Oak LLC | Poteau, OK | Installer (Subsurface, Aerobic Spray) | 1098 |
| PF&T Plumbing, LLC dba Westart Plumbing | Fort Smith, OK | Septage Hauler | 855 |
| Quick Construction LLC | Fort Smith, OK | Septage Hauler | 408 |
| RHC Builders, LLC | Pocola, OK | Installer (Subsurface, Aerobic Spray) | 1186 |
| Rock Creek Septic | Talihina, OK | Installer (Aerobic Spray) | 1114 |
| Rock Creek Septic | Talihina, OK | Septage Hauler | 710 |
| Scarbrough Enterprise LLC | Howe, OK | Installer (Subsurface, Aerobic Spray) | 908 |
| Scarbrough Excavation | Howe, OK | Septage Hauler | 279 |
| Semper Fi Services | Heavener, OK | Installer (Subsurface) | 1304 |
| T and L Construction | Cameron, OK | Installer (Subsurface, Aerobic Spray) | 821 |
| Westark Plumbing | Ft. Smith, OK | Septage Hauler | 92 |
20 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Leflore County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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