| Company | Location | Certifications | License # |
|---|---|---|---|
| Mitch's Septic Service, LLC | Auburn, NE | InspectorInstallerPumper | 436686 |
| Tony Hector Backhoe & Trenchin | Auburn, NE | Installer | 406805 |
2 companies in the Nebraska DEE onsite wastewater (OWT) certified business registry are based in Nemaha County as of 2026-07-23. Companies based elsewhere in Nebraska also commonly serve the county.
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