| Company | Location | Certifications | License # |
|---|---|---|---|
| 405 Plumbing | Norman, OK | Installer (Aerobic Spray) | 1058 |
| 405 Plumbing | Moore, OK | Installer (Subsurface, Lagoon, Aerobic Spray, Aerobic Drip) | 918 |
| M&M Rentals LLC | Norman, OK | Septage Hauler | 780 |
| Prime Septic | Noble, OK | Septage Hauler | 823 |
| Prime Septic | Noble, OK | Installer (Subsurface, Aerobic Spray) | 894 |
| Randy's Skyline Construction, LLC | Oklahoma City, OK | Installer (Aerobic Spray) | 1020 |
| Randy's Skyline Construction, LLC | Oklahoma City, OK | Installer (Subsurface, Aerobic Spray) | 1070 |
| Red Dirt Septic & Backhoe, LLC | Edmond, OK | Installer (Aerobic Spray) | 1213 |
| Reliable Septic Services | Norman, OK | Septage Hauler | 506 |
| Reliable Septic Services | Norman, OK | Septage Hauler | 906 |
| Slate Septic Service | Lexington, OK | Septage Hauler | 118 |
| Slate Septic Service | Lexington, OK | Installer (Subsurface, Lagoon, Aerobic Spray) | 58 |
12 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Cleveland County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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