| Company | Location | Certifications | License # |
|---|---|---|---|
| Clark Whitfield Dirt Work & Septic, LLC | Idabel, OK | Installer (Subsurface, Aerobic Spray) | 984 |
| Cossatot Services | Gillham, OK | Septage Hauler | 821 |
| DBM Septic Services LLC | Idabel, OK | Septage Hauler | 798 |
| Hochatown Septic & Backhoe Service | Broken Bow, OK | Installer (Subsurface, Aerobic Spray) | 910 |
| Hochatown Septic Solutions | Broken Bow, OK | Septage Hauler | 745 |
| J&M Pumping Service | Clarksville, OK | Septage Hauler | 838 |
| Johnsons Services Inc | DeQueen, OK | Septage Hauler | 199 |
| Mark Talley | Broken Bow, OK | Installer (Subsurface, Aerobic Spray) | 757 |
| MX2 Construction LLC | Valliant, OK | Installer (Aerobic Spray) | 1101 |
| OnSite Sanitation Rentals & Services | Broken Bow, OK | Septage Hauler | 640 |
| Porta Trailers LLC | Idabel, OK | Septage Hauler | 768 |
| Seckman Septic Solutions LLC | Broken Bow, OK | Installer (Subsurface, Aerobic Spray) | 1038 |
| Talley Backhoe & Septic Serivce | Broken Bow, OK | Installer (Subsurface, Aerobic Spray) | 1023 |
| Two Guys Septic Service | Valliant, OK | Septage Hauler | 851 |
14 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in McCurtain County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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