| Company | Location | Certifications | License # |
|---|---|---|---|
| B & S Farms | Bennett, NC | Installer (Level II) | 14064 |
| Brandon Lemons | Bear Creek, NC | Installer (Level II) | 14199 |
| Brandon Sessoms | Pittsboro, NC | Installer (Level IV) | 11529 |
| Brooks Family Farm | New Hill, NC | Installer (Level IV)Inspector | 13002 |
| Busy Superhero | Pittsboro, NC | Installer (Level II) | 11722 |
| Carolina Contracting Llc | Chapel Hill, NC | Installer (Level IV) | 9627 |
| Carolina Contracting Llc | Chapel Hill, NC | Installer (Level IV)Inspector | 7308 |
| Carolina Ecofarms Llc | Pittsboro, NC | Installer (Level IV) | 11223 |
| Cheek Wastewater Solutions | Siler City, NC | Installer (Level II) | 9483 |
| Con Mech Industries Llc | Apex, NC | Installer (Level IV)Inspector | 4643 |
| Crossroads Backhoe & Rental Service Llc | Siler City, NC | Installer (Level II)Inspector | 1938 |
| David Mckee Grading | Newport, NC | Installer (Level II) | 1942 |
| Earth Patriot Llc | Pittsboro, NC | Installer (Level IV)Inspector | 4150 |
| Eduardo Gonzalez | Siler City, NC | Installer (Level IV) | 11923 |
| Elite Elevation Landscaping | Siler City, NC | Installer (Level II) | 11194 |
| Elite Hydro Services | Moncure, NC | Installer (Level IV)Inspector | 9764 |
| Elite Hydro Services | Moncure, NC | Installer (Level II) | 9815 |
| Everbright Septic Llc | Chapel Hill, NC | Installer (Level IV)Inspector | 11855 |
| Full Stack Plumbing And Well Company | Chapel Hill, NC | Installer (Level II) | 7374 |
| Green Level Enterprises Llc | Pittsboro, NC | Installer (Level IV)Inspector | 3469 |
| Gulick Excavating Inc | Snow Camp, NC | Installer (Level IV) | 1080 |
| H S Riley Company Llc | Siler City, NC | Installer (Level II) | 11215 |
| H S Riley Company Llc | Siler City, NC | Installer (Level II) | 11216 |
| Hope Farm Unlimited Llc | Siler City, NC | Installer (Level IV) | 11861 |
| Hunter Contracting | Chapel Hill, NC | Installer (Level II) | 4396 |
| J & J Backhoe | Bear Creek, NC | Installer (Level IV) | 2972 |
| J E Johnson Llc | Moncure, NC | Installer (Level II) | 11240 |
| Jb Builders | Bear Creek, NC | Installer (Level II) | 9895 |
| Jesus Reyna Ocampo | Siler City, NC | Installer (Level II) | 15485 |
| Joshua Klein | Chapel Hill, NC | Installer (Level II) | 15460 |
| Julian Watts Mashburn Iii | Bear Creek, NC | Installer (Level II) | 14658 |
| Lane Perry Hauling Llc | Bear Creek, NC | Installer (Level II) | 11019 |
| Legacy Tree And Land Management | Pittsboro, NC | Installer (Level II) | 15112 |
| Legacy Tree And Land Management | Pittsboro, NC | Installer (Level II) | 15140 |
| Leo'S Services | Pittsboro, NC | Installer (Level IV)Inspector | 11957 |
| Lineberry'S Developing | Liberty, NC | Installer (Level IV)Inspector | 2733 |
| Lloyd Grading And Utilities Inc | Chapel Hill, NC | Installer (Level IV)Inspector | 7174 |
| Marley Grading & Logging Company | Pittsboro, NC | Installer (Level IV) | 9263 |
| Martin Evan Craig | Columbus, NC | Installer (Level IV) | 4416 |
| Out The Door Plumbing | Pittsboro, NC | Installer (Level IV) | 8041 |
| Ricky Beal Grading & Septic Tank Service | Goldston, NC | Installer (Level IV)Inspector | 1950 |
| Ritchie Holt And Son Grading Inc | Bear Creek, NC | Installer (Level II) | 6144 |
| Semper Fi Septic | Sanford, NC | Installer (Level IV)Inspector | 11944 |
| Septic Sisters | Pittsboro, NC | Installer (Level II) | 14997 |
| South Park Scapes Llc | Durham, NC | Installer (Level II) | 2611 |
| Southern Trucking And Backhoe | Siler City, NC | Installer (Level II) | 9233 |
| T & G Backhoe Inc | Siler City, NC | Installer (Level IV)Inspector | 5418 |
| T & G Backhoe Inc | Siler City, NC | Installer (Level IV) | 11932 |
| Villanueva Septic Tank Installations | Chapel Hill, NC | Installer (Level II) | 9822 |
| Water Specialist | Hillsborough, NC | Installer (Level IV)Inspector | 2504 |
| We Pump It | Bear Creek, NC | Installer (Level IV)Inspector | 3411 |
51 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Chatham County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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