| Company | Location | Certifications | License # |
|---|---|---|---|
| Amerispec | Wilmington, NC | Inspector | 9191I |
| Amerispec Inspection Services | Wilmington, NC | Inspector | 9192I |
| Avm Excavation Inc | Wilmington, NC | Installer (Level II) | 11361 |
| Cape Fear Advanced Septics | Wilmington, NC | Installer (Level IV) | 11415 |
| Cape Fear Landscaping | Wrightsville Be, NC | Installer (Level II) | 12016 |
| Carolinaretnals & Development Llc | Carolina Beach, NC | Installer (Level IV) | 2981 |
| Coast Wastewater Operations | Wilmington, NC | Installer (Level IV)Inspector | 3638 |
| Coastal Groundworx Llc | Wilmington, NC | Installer (Level IV)Inspector | 5102 |
| Cw'S Septic Tank Installation | Wilmington, NC | Installer (Level II) | 9195 |
| D S Thorpe Landscapes Llc | Wilmington, NC | Installer (Level IV) | 6145 |
| Davey Resource Group | Wilmington, NC | Designer (Soil Evaluator) | 10053E |
| Davey Resource Group Inc | Wilmington, NC | Designer (Soil Evaluator) | 10020E |
| Ellixson Construction & Development Inc | Leland, NC | Installer (Level IV) | 9945 |
| Franklin Laverne Faircloth Jr | Wilmington, NC | Installer (Level II) | 7110 |
| H & S Plumbing Services Llc | Rocky Point, NC | Installer (Level II) | 14229 |
| Harbor Island Investors | Wilmington, NC | Installer (Level IV) | 11384 |
| Honeycutt Construction | Castle Hayne, NC | Installer (Level IV) | 14124 |
| Intracoastal Building And Management Llc | Wrightsville Be, NC | Installer (Level IV) | 11396 |
| Little City Plumbing | Wilmington, NC | Installer (Level II) | 9062 |
| Long Hall Septic | Wrightsville Be, NC | Installer (Level II) | 9212 |
| Matthew Goleniak | Wilmington, NC | Installer (Level IV) | 11922 |
| Mello Improvements Llc | Wilmington, NC | Installer (Level II) | 11195 |
| Michael Lee Talton | Wilmington, NC | Installer (Level II) | 14718 |
| Parker Septic Serv | Wilmington, NC | Installer (Level IV) | 2993 |
| Parker Septic Service | Wilmington, NC | Installer (Level IV) | 11411 |
| Pspu"Mmitt To Tide Landworks Llc | Asheville, NC | Installer (Level IV)Inspector | 7301 |
| R & S Hauling | Castle Hayne, NC | Installer (Level II) | 5573 |
| Ronald Stephenson | Wilmington, NC | Installer (Level IV)Inspector | 11390 |
| Sewer & Drain Medic | Wilmington, NC | Installer (Level IV)Inspector | 3956 |
| Shelby Contracting | Castle Hayne, NC | Installer (Level IV) | 11928 |
| Utility Specialist/Carolinas Llc | Wilmington, NC | Installer (Level II) | 14869 |
| Water & Waste Water Services | Hampstead, NC | Installer (Level IV)Inspector | 4345 |
32 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in New Hanover County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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