| Company | Location | Certifications | License # |
|---|---|---|---|
| D & M | Ansley, NE | InstallerPumper | 411560 |
| Garry's Construction Co | Anselmo, NE | InspectorInstallerPumper | 406649 |
| GS Earth Works | Mason City, NE | Installer | 433383 |
| K & K Backhoe & Irrigation | Broken Bow, NE | InspectorInstallerPumper | 402927 |
| Myers Construction | Broken Bow, NE | InspectorInstallerPumper | 410713 |
| Nichols Plumbing | Broken Bow, NE | InstallerPumper | 411795 |
6 companies in the Nebraska DEE onsite wastewater (OWT) certified business registry are based in Custer 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.