| Company | Location | Certifications | License # |
|---|---|---|---|
| Acker Excavating | Fremont, NE | Installer | 401565 |
| Bolden's Excavating Inc | Fremont, NE | InspectorInstallerPumper | 401991 |
| City of Fremont | Fremont, NE | Inspector | 411715 |
| Hooper Heating and Cooling | Hooper, NE | Installer | 436547 |
| Kardell Excavating | Ames, NE | InstallerPumper | 412172 |
| Lohmeyer Plumbing & Heating | Scribner, NE | Installer | 402600 |
| Mullally Plumbing & Heating | North Bend, NE | InspectorInstallerPumper | 410949 |
| Ruda Septic | Fremont, NE | InstallerPumper | 412250 |
| Wagner Well Inc | Dodge, NE | Installer | 401964 |
| Wiese Plumbing | Fremont, NE | Installer | 411079 |
10 companies in the Nebraska DEE onsite wastewater (OWT) certified business registry are based in Dodge County as of 2026-07-23. Companies based elsewhere in Nebraska also commonly serve the county.
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