| Company | Location | Certifications | License # |
|---|---|---|---|
| Byron Haberly, Dba Byron'S Excavating & Landscaping | John Day, OR | InstallerPumper | 35138 |
| Christopher Beil, Dba Natures Calling Sanitation | John Day, OR | Pumper | 38340 |
| Dylan Todd Hoodenpyl, Dba Hoodenpyl Excavating And Grading | Canyon City, OR | Installer | 39802 |
| L & L Excavating, Inc. | Mount Vernon, OR | Installer | 34626 |
4 companies in the Oregon DEQ licensed Sewage Disposal Service (SDS) installer & pumper businesses are based in Grant County as of 2026-07-23. Companies based elsewhere in Oregon also commonly serve the county.
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