| Company | Location | Certifications | License # |
|---|---|---|---|
| ARP Excavation and Safe Rooms LLC | Jones, OK | Installer (Subsurface, Aerobic Spray) | 1269 |
| Beans Construction Co | Choctaw, OK | Septage Hauler | 7 |
| Biggs Backhoe and Trucking | Piedmont, OK | Installer (Subsurface, Lagoon, Aerobic Spray) | 105 |
| C and L Septic | Choctaw, OK | Installer (Subsurface, Lagoon, Aerobic Spray) | 409 |
| CARDs Holdings | Oklahoma City, OK | Septage Hauler | 852 |
| Crossland's A&A Rent-All & Sales Co Inc | Oklahoma City, OK | Septage Hauler | 32 |
| Cyclone Septics & Plumbing | Guthrie, OK | Installer (Aerobic Spray) | 987 |
| Duty Calls Rentals LLC | Edmond, OK | Septage Hauler | 848 |
| Foster Septic Tank Cleaning | Oklahoma City, OK | Septage Hauler | 49 |
| Foster Septic Tank Cleaning | Oklahoma City, OK | Installer (Subsurface, Aerobic Spray) | 579 |
| Foster Septic Tank Cleaning | Oklahoma City, OK | Installer (Subsurface, Aerobic Spray) | 900 |
| Irwin Septic Tank Cleaning, Plumbing & Repair | Oklahoma City, OK | Septage Hauler | 71 |
| Irwin Septic Tank Cleaning, Plumbing, & Repair LLC | Nicoma Park, OK | Installer (Subsurface, Aerobic Spray) | 891 |
| Irwins Septic | Nicoma Park, OK | Installer (Subsurface, Aerobic Spray) | 727 |
| Jones Skyline Construction | Midwest City, OK | Installer (Subsurface, Aerobic Spray) | 872 |
| OKC Dumpsters Inc DBA OKC Portable Toilets | Oklahoma City, OK | Septage Hauler | 740 |
| Okie Septic | Stillwater, OK | Installer (Subsurface, Aerobic Spray) | 1188 |
| OnPoint Plumbing | Choctaw, OK | Installer (Subsurface, Aerobic Spray) | 743 |
| PK Septic Services | Red Rock, OK | Septage Hauler | 758 |
| Premium Septic LLC | Oklahoma City, OK | Septage Hauler | 902 |
| Pretty Pooper LLC | Oklahoma City, OK | Septage Hauler | 856 |
| Randy's Skyline Construction, LLC | Oklahoma City, OK | Installer (Subsurface, Lagoon, Aerobic Spray) | 436 |
| Red Dirt Septic & Backhoe, LLC | Edmond, OK | Installer (Subsurface, Aerobic Spray) | 972 |
| Red Dirt Septic and Backhoe LLC | Edmond, OK | Installer (Subsurface, Aerobic Spray, Aerobic Drip) | 607 |
| Roto-Rooter Septic Tank Cleaning | Oklahoma City, OK | Septage Hauler | 257 |
| The Dump Depot, LLC | Luther, OK | Septage Hauler | 328 |
| Vet's Septic Service Inc | Oklahoma City, OK | Installer (Subsurface, Lagoon, Aerobic Spray, Aerobic Drip) | 56 |
| Vets Septic Service | Oklahoma City, OK | Septage Hauler | 166 |
| Willco Septic | Choctaw, OK | Septage Hauler | 196 |
29 companies in the Oklahoma DEQ certified septic installers and licensed septage pumpers/transporters are based in Oklahoma County as of 2026-07-23. Companies based elsewhere in Oklahoma also commonly serve the county.
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