| Company | Location | Certifications | License # |
|---|---|---|---|
| American Legacy Homes & Construction Llc, Dba Chehalem Septic & Excavation | Mcminnville, OR | Installer | 39777 |
| Amity Pumping & Portable Toilets Llc | Amity, OR | Pumper | 39673 |
| Barnett Builders Inc. | Yamhill, OR | Installer | 39435 |
| Blackhawk Plumbing, Llc, Dba Mr. Rooter Of Salem, Or | Newberg, OR | Installer | 38935 |
| Botten'S Equipment & Event Rental, Inc | Mcminnville, OR | Pumper | 39846 |
| Bowers Land Works, Llc | Willamina, OR | Installer | 39068 |
| Cac Excavation, Inc | Dayton, OR | Installer | 39050 |
| Cary Laughlin Excavating, Inc. | Sheridan, OR | Installer | 38683 |
| Clear River Water Works Llc | Newberg, OR | Installer | 39807 |
| Core Excavation And Construction Llc | Carlton, OR | Installer | 39957 |
| David Harold Schroeder | Mcminnville, OR | Installer | 39055 |
| Del Boca Vista, Llc | Newberg, OR | Installer | 39450 |
| Dirt Guys Excavating, Llc | Dayton, OR | InstallerPumper | 39130 |
| Forged Built Llc | Yamhill, NJ | Installer | 39869 |
| High Heaven Timberlands, Inc | Mcminnville, OR | Installer | 39061 |
| John R. Kroo Construction, Inc. | Newberg, OR | Installer | 38688 |
| Jones And Sons Excavation, Llc | Amity, OR | Installer | 39827 |
| Keller Excavating, Llc | Mcminnville, OR | Installer | 38448 |
| King & Sons Excavating, Inc | Yamhill, OR | Installer | 39112 |
| Lawson Corp, Dba Lawson Corp | Carlton, OR | Installer | 39064 |
| Mcminnville Pumping, Llc | Mcminnville, OR | InstallerPumper | 38672 |
| Mitchell Excavating, Llc | Carlton, OR | Installer | 38693 |
| Native Excavation Llc | Sheridan, OR | Installer | 39842 |
| Oregon Environmental Services Llc | Yamhill, OR | Installer | 39628 |
| Paragon Excavation Llc | Newberg, OR | Installer | 39027 |
| Parker Concrete, Inc | Yamhill, OR | Installer | 38885 |
| Risseeuw'S Excavation And Septic Llc | Sheridan, OR | Installer | 39299 |
| Secor Homes Llc | Mcminnville, OR | Installer | 39669 |
| Summit Excavating, Inc | Mcminnville, OR | Installer | 39216 |
| Terry Vandegrift | Amity, OR | Installer | 36856 |
| Turley Excavation, Llc, Dba Turley Farms | Dayton, OR | Installer | 38954 |
| Weme Construction, Llc | Mcminnville, OR | Installer | 39293 |
| William H. Toney, Dba Toney Excavation And Building | Dayton, OR | Installer | 37067 |
33 companies in the Oregon DEQ licensed Sewage Disposal Service (SDS) installer & pumper businesses are based in Yamhill County as of 2026-07-23. Companies based elsewhere in Oregon also commonly serve the county.
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