| Company | Location | Certifications | License # |
|---|---|---|---|
| A & M Enterprise | Naper, NE | Installer | 403410 |
| Gene's Plumbing | Spencer, NE | Installer | 402848 |
| Swanson Tech Service Inc | Spencer, NE | Installer | 406637 |
3 companies in the Nebraska DEE onsite wastewater (OWT) certified business registry are based in Boyd County as of 2026-07-23. Companies based elsewhere in Nebraska also commonly serve the county.
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