Licensed septic companies in Delaware County, Oklahoma
9 businesses on Oklahoma’s septic licensing records give Delaware County as its address, alongside 9 individually licensed onsite professionals.
Licensed businesses based in Delaware County
- Blackfox Inc(918) 868-7554ColcordInstaller
- Cherokee Nation(918) 455-5111EuchaInstaller
- Cook Excavating(918) 964-1335GroveInstaller
- Crigers Backhoe and Dozer Service(918) 786-9318GroveInstaller
- Excavation Unlimited LLC(918) 791-3545GroveInstaller
- Jarrod Leach(912) 321-8619GroveInstaller
- Jason D Nelson(918) 314-0350GroveInstaller
- Marc EdelmanKansasInstaller
- Mitchells Excavating(918) 868-7198GroveInstaller
| Company | Licensed for | Phone |
|---|---|---|
| Blackfox IncColcord | Installer | (918) 868-7554 |
| Cherokee NationEucha | Installer | (918) 455-5111 |
| Cook ExcavatingGrove | Installer | (918) 964-1335 |
| Crigers Backhoe and Dozer ServiceGrove | Installer | (918) 786-9318 |
| Excavation Unlimited LLCGrove | Installer | (918) 791-3545 |
| Jarrod LeachGrove | Installer | (912) 321-8619 |
| Jason D NelsonGrove | Installer | (918) 314-0350 |
| Marc EdelmanKansas | Installer | Not listed |
| Mitchells ExcavatingGrove | Installer | (918) 868-7198 |
Individually licensed onsite professionals in Delaware County
Oklahoma licenses people as well as companies. These are the named professionals the state has licensed, listed with the licence they hold and when it expires. They are usually employed by one of the businesses above.
| Name | Licence | City | Expires |
|---|---|---|---|
| Beck Trammel | Subsurface absorptionNo. 1210 | Eucha | Not stated |
| Craig Mitchell | Subsurface absorption · Lagoon · Aerobic with spray dispersal · Aerobic with drip dispersalNo. 291 | Grove | Not stated |
| Jacob Nelson | Subsurface absorptionNo. 1256 | Grove | Not stated |
| Jarrod Leach | Subsurface absorption · Aerobic with drip dispersalNo. 1043 | Grove | Not stated |
| Jason Nelson | Subsurface absorption · Aerobic with spray dispersal · Aerobic with drip dispersalNo. 450 | Grove | Not stated |
| Jon Criger | Subsurface absorption · Aerobic with spray dispersalNo. 261 | Grove | Not stated |
| Marc Edelman | Subsurface absorptionNo. 1137 | Kansas | Not stated |
| Terry Cook | Subsurface absorptionNo. 544 | Grove | Not stated |
| Troy Pilcher | Subsurface absorption · Aerobic with drip dispersalNo. 592 | Colcord | Not stated |
Who handles septic permits in Delaware County
Oklahoma DEQ certifies installers and publishes the whole list. A certified installer may inspect their own installation and backfill without waiting for a DEQ inspector, which is why the certification is worth checking rather than assuming.
Towns in Delaware County
Where in the county each licensed business is based.
Licensed companies in neighbouring counties
A Oklahoma septic licence is valid statewide, so a company listed in an adjoining county can legally do the work in Delaware County.
Records as published August 26, 2026. A licence can lapse at any time — confirm with DEQ's own certified installer list before hiring. Report a correction.