| Company | Location | Certifications | License # |
|---|---|---|---|
| Baker Sanitary Service Inc. | Baker City, OR | Pumper | 33530 |
| Eagle Valley Communications, Inc., Dba Comco Construction | Richland, OR | Installer | 37981 |
| Jerry Long | Baker City, OR | Installer | 38733 |
| K&S Septic Llc | Baker City, OR | Pumper | 39755 |
| Mcgill Construction, Inc. | Halfway, OR | Installer | 39822 |
| Steve Ritch Environmental & Construction, Inc, Dba Srec & Eastern Oregon Environmental | Baker City, OR | Installer | 37422 |
| Swan Contracting Llc | Richland, OR | Installer | 39622 |
7 companies in the Oregon DEQ licensed Sewage Disposal Service (SDS) installer & pumper businesses are based in Baker County as of 2026-07-23. Companies based elsewhere in Oregon also commonly serve the county.
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