| Company | Location | Certifications | License # |
|---|---|---|---|
| Akd Septic Pros | Troy, NC | Installer (Level II) | 11455 |
| American Grading & Septic | Mount Gilead, NC | Installer (Level IV) | 9205 |
| Bennett Backhoe | Candor, NC | Installer (Level II) | 13070 |
| Britt'S Grading & Hauling Llc | Troy, NC | Installer (Level II) | 15219 |
| Cr Installations Inc | New London, NC | Installer (Level II) | 11661 |
| Curtis Bennett Backhoe | Candor, NC | Installer (Level II) | 2582 |
| Global Brothers Earthworks Llc | Candor, NC | Installer (Level II) | 9444 |
| Howard Pierce Grading | New London, NC | Installer (Level IV)Inspector | 2748 |
| Hurley Backhoe Services Inc | Star, NC | Installer (Level IV)Inspector | 2469 |
| Hurley Backhoe Services Inc | Star, NC | Installer (Level IV)Inspector | 6070 |
| Hurleys Earthworx | Mount Gilead, NC | Installer (Level II) | 11171 |
| Kearns Pumping Service Inc | Troy, NC | Installer (Level IV)Inspector | 2724 |
| Montgomery Digging Service | Mt Gilead, NC | Installer (Level IV)Inspector | 2678 |
| One Call Plumbing & Septic Llc | Star, NC | Installer (Level IV) | 11079 |
| Pmz Services | Candor, NC | Installer (Level II) | 9587 |
| Pride Plumbing Services Llc | Mt Gilead, NC | Inspector | 13023I |
| Pride Plumbing Services Llc | Mt Gilead, NC | Inspector | 13027I |
| Pride Plumbing Services Llc | Mt Gilead, NC | Inspector | 13029I |
| Regional Land Management | Mount Gilead, NC | Installer (Level II) | 14984 |
19 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Montgomery County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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