| Company | Location | Certifications | License # |
|---|---|---|---|
| Hruby Enterprises | Hemingford, NE | Installer | 410489 |
| Sorensen Plumbing Company | Hemingford, NE | InstallerPumper | 430344 |
| Tritle Plumbing | Alliance, NE | InstallerPumper | 402896 |
3 companies in the Nebraska DEE onsite wastewater (OWT) certified business registry are based in Box Butte County as of 2026-07-23. Companies based elsewhere in Nebraska also commonly serve the county.
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