| Company | Location | Certifications | License # |
|---|---|---|---|
| Aag Septic Service Llc | Wilkesboro, NC | Installer (Level II)Inspector | 9628 |
| Ab Hogging & Excavation | Ferguson, NC | Installer (Level II) | 9690 |
| Am & Rb Inc | Lenoir, NC | Installer (Level III) | 14777 |
| Anderson'S Septic Tank Service | Hays, NC | Installer (Level II)Inspector | 9751 |
| Andrew Caudill | Millers Creek, NC | Installer (Level II) | 14789 |
| Ashley Reuter | Wilkesboro, NC | Installer (Level II) | 15391 |
| B & C Concrete Products Inc | N Wilkesboro, NC | Installer (Level II) | 3190 |
| Baker'S Enterprise | Traphill, NC | Installer (Level IV) | 11237 |
| Bare'S Septic & Land Services | North Wilkesbo, NC | Installer (Level II)Inspector | 14164 |
| Blackburn & Son Grading & Septic | North Wilkesbo, NC | Installer (Level II) | 8061 |
| Blevins Grading &Septic Llc | Hays, NC | Installer (Level IV)Inspector | 1617 |
| Browns Backhoe & Grading Llc | Thurmond, NC | Installer (Level IV) | 1698 |
| Churchs Backhoe Serv | Wilkesboro, NC | Installer (Level IV)Inspector | 1052 |
| Crane Septic & Excavation | North Wilkesbo, NC | Installer (Level II) | 14338 |
| Dennis Mcdaniel Backhoe Service | Hays, NC | Installer (Level IV)Inspector | 6626 |
| Dennis Mcdaniel Backhoe Service | Hays, NC | Installer (Level IV)Inspector | 1669 |
| Foothills Tractor & Excavating Llc | Wilkesboro, NC | Installer (Level IV) | 2736 |
| Grayson Jared Cohn | Wilkesboro, NC | Installer (Level II) | 5050 |
| Grit & Sons Llc | Noeth Wilkesbo, NC | Installer (Level II) | 14827 |
| Grit & Sons Llc | North Wilkesbo, NC | Installer (Level IV)Inspector | 1356 |
| Grit & Sons Waste Management Llc | Roaring River, NC | Installer (Level II) | 14828 |
| Haynes Lawn Care Inc | North Wilkesbo, NC | Installer (Level II) | 14832 |
| J & N Mowing | Boomer, NC | Installer (Level II) | 5047 |
| J Z On Site | North Wilkesbo, NC | Installer (Level II) | 14958 |
| Jeremy Yarboro Grading & Trucking | Roaring River, NC | Installer (Level II) | 7051 |
| Jlm Septic | Hamptonville, NC | Installer (Level II) | 7120 |
| Jody Porter | Roaring River, NC | Installer (Level IV) | 13025 |
| Johnny Huffman Plb Co Inc | Wilkesboro, NC | Installer (Level IV) | 1711 |
| Johnny Huffman Plb Co Inc | Wilkesboro, NC | Installer (Level IV) | 1710 |
| Jones Earthworks Llc | Ferguson, NC | Installer (Level II) | 9336 |
| Laws Lawncare & Land Management | North Wilkesbo, NC | Installer (Level II) | 13074 |
| Lewis Russell Construction | Ronda, NC | Installer (Level II) | 4644 |
| Lillard'S Blue Collar Services | Boomer, NC | Installer (Level II) | 11474 |
| Mark Bare Grading | Purlear, NC | Installer (Level II) | 11557 |
| Matthew Bostian | North Wilkesbo, NC | Installer (Level II) | 15216 |
| Miller Land Management Llc | Roaring River, NC | Installer (Level II) | 14877 |
| Miller Land Management Llc | Roaring River, NC | Installer (Level IV)Inspector | 7049 |
| Miller Land Management Llc | Roaring River, NC | Installer (Level II) | 7050 |
| Miller Septic Service | Purlear, NC | Installer (Level II) | 9035 |
| Minton'S Backhoe | Ferguson, NC | Installer (Level II) | 9679 |
| Myers Septic Tank Service Llc | Wilkesboro, NC | Inspector | 5623I |
| Nathan'S Tree Service | Ferguson, NC | Installer (Level II) | 15426 |
| Price'S Septic Service | Boomer, NC | Installer (Level IV)Inspector | 7007 |
| R C Bare Backhoe And Grading | Millers Creek, NC | Installer (Level II) | 1616 |
| Randall Scott Royal | Millers Creek, NC | Installer (Level II) | 6799 |
| Rw Eagle Construction | Elkin, NC | Installer (Level II) | 9341 |
| S & J Septic Pumping & Rent A Jon | North Wilkesbo, NC | Installer (Level IV)Inspector | 3960 |
| S & J Septic Pumping & Rent A Jon | N Wilkesboro, NC | Installer (Level IV)Inspector | 1181 |
| Sok Enterprise Llc | Elkin, NC | Installer (Level IV) | 1355 |
| Stairman Trim Carpentry | Millers Creek, NC | Installer (Level IV)Inspector | 6001 |
| The Digwork Co | Wilkesboro, NC | Installer (Level II) | 7319 |
| Thedigworkco | Wilkesboro, NC | Installer (Level II) | 11962 |
| Ward Excavation & Septic | Purlear, NC | Installer (Level II) | 9876 |
| Wilbar Construction Llc | Millers Creek, NC | Installer | 15083 |
| Yadkin Valley Construction Inc | Ronda, NC | Installer (Level II) | 6459 |
| Zachary Stines | North Wilkesbo, NC | Installer (Level II) | 15190 |
56 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Wilkes County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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