| Company | Location | Certifications | License # |
|---|---|---|---|
| 4 T'S Enterprise | Bladenboro, NC | Installer (Level IV) | 11900 |
| Callihan & Wells Enterprise Inc | Bladenboro, NC | Installer (Level IV)Inspector | 7081 |
| Callihan & Wells Enterprise, Inc | Bladenboro, NC | Installer (Level IV)Inspector | 2045 |
| Cromartie Enterprise Llc | Elizabethtown, NC | Installer (Level II) | 9807 |
| Nicholas Wilkins | Tar Heel, NC | Installer (Level II) | 14738 |
| White Construction Group Inc | Clarkton, NC | Installer (Level IV) | 3341 |
6 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Bladen County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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