| Company | Location | Certifications | License # |
|---|---|---|---|
| Adams Plumbing & Heating | Odell, NE | Installer | 411330 |
| Harper Well & Plumbing Inc | Adams, NE | Installer | 402625 |
| Koch Fertilizer | Beatrice, NE | Installer | 411389 |
| Lammel Plumbing Inc | Beatrice, NE | Installer | 411562 |
| Lauby Plumbing Heating & Air | Wymore, NE | InspectorInstallerPumper | 410955 |
| Southeast Trenching and Excava | Adams, NE | InspectorInstaller | 433430 |
| Wrightsman Trenching Inc | Beatrice, NE | InspectorInstallerPumper | 403290 |
| XL Contracting Inc | Adams, NE | Installer | 410552 |
8 companies in the Nebraska DEE onsite wastewater (OWT) certified business registry are based in Gage County as of 2026-07-23. Companies based elsewhere in Nebraska also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.