| Company | Location | Certifications | License # |
|---|---|---|---|
| All Clean Septic Services, LLC | Blanchard, OK | Septage Hauler | 699 |
| Chris Mooter Water Well Service | Blanchard, OK | Installer (Subsurface, Aerobic Spray) | 1113 |
| Dependable Septic Service LLC | Tuttle, OK | Septage Hauler | 568 |
| Dependable Septic Service, LLC | Tuttle, OK | Installer (Subsurface, Aerobic Spray) | 1226 |
| Dodco Inc | Blanchard, OK | Installer (Subsurface, Aerobic Spray) | 1219 |
| Ingram Septic Service, LLC | Bradley, OK | Septage Hauler | 717 |
| Johnson SPD - Septic and Drain | Rush Springs, OK | Septage Hauler | 913 |
| M&T Septic & Backhoe Service Inc | Blanchard, OK | Installer (Subsurface, Aerobic Spray) | 901 |
| Red Dirt Septic & Backhoe | Edmond, OK | Installer (Subsurface, Aerobic Spray) | 1126 |
| Septic Near Me | Blanchard, OK | Installer (Subsurface, Aerobic Spray) | 1218 |
| Shawn Ledford Inc | Chickasha, OK | Septage Hauler | 280 |
| Spragues Backhoe | Blanchard, OK | Installer (Subsurface, Aerobic Spray) | 928 |
| Van Dyck Septic Services | Chickasha, OK | Installer (Subsurface, Aerobic Spray) | 1183 |
| VanDyck Mechanical LLC DBA VanDyck Septic Services | Chickasha, OK | Septage Hauler | 833 |
| Williams Backhoe Service | Blanchard, OK | Installer (Subsurface, Aerobic Spray) | 612 |
15 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Grady County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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