| Company | Location | Certifications | License # |
|---|---|---|---|
| ARA Equipment Rentals | Lawton, OK | Septage Hauler | 134 |
| Big Bobs Porta Pottys & Rentals LLC | Pocasset, OK | Septage Hauler | 837 |
| CG Septic Repair LLC | Indiahoma, OK | Septage Hauler | 561 |
| Gills Waste Oil Co LLC | Lawton, OK | Septage Hauler | 55 |
| Lawton Septic | Lawton, OK | Installer (Aerobic Spray) | 657 |
| Lawton Septic Tank | Lawton, OK | Installer (Subsurface, Lagoon, Aerobic Spray) | 60 |
| Lawton Septic Tank & Storm Shelter, Inc | Lawton, OK | Septage Hauler | 80 |
| McCracken Portable Toilet and Septic | Cache, OK | Septage Hauler | 471 |
| Overstreet and Son Construction LLC | Cache, OK | Installer (Subsurface, Lagoon) | 526 |
| Webster Services | Indiahoma, OK | Installer (Aerobic Spray) | 1092 |
10 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Comanche County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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