| Company | Location | Certifications | License # |
|---|---|---|---|
| Coastway Construction Company, Inc. | Pacific City, OR | Installer | 34358 |
| Forest Walker Pruter, Dba Forest Pruter Excavating | Hebo, OR | Installer | 39809 |
| Gregory Robert Gann, Dba G Gann Excavating | Tillamook, OR | Installer | 39052 |
| Jacob Allen Bruns, Dba Top Grade Excavation | Nehalem, OR | Installer | 39198 |
| Jm Excavating, Llc | Bay City, OR | Installer | 38804 |
| Leaves And Limbs Llc | Tillamook, OR | Installer | 39780 |
| Leonnig Excavating Inc. | Tillamook, OR | Installer | 35746 |
| Lighthouse Septic Solutions Llc, Dba Tillamook Roto-Rooter | Tillamook, OR | Pumper | 38173 |
| Mike J. Critelli, Dba Mike Critelli Excavation | Nehalem, OR | Installer | 37628 |
| Teninty & Son, Inc. | Tillamook, OR | InstallerPumper | 35731 |
| Tillamook Septic Inc. | Bay City, OR | InstallerPumper | 39686 |
| Vertical Contracting Llc | Neskowin, OR | Installer | 39916 |
12 companies in the Oregon DEQ licensed Sewage Disposal Service (SDS) installer & pumper businesses are based in Tillamook County as of 2026-07-23. Companies based elsewhere in Oregon also commonly serve the county.
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