| Company | Location | Certifications | License # |
|---|---|---|---|
| Bdc | Rose Hill, NC | Installer (Level II) | 12060 |
| Blackburn Construction | Harrells, NC | Installer (Level II) | 14004 |
| C & C Septic Tank Service | Roseboro, NC | Installer (Level IV)Inspector | 7226 |
| C & C Septic Tank Service | Roseboro, NC | Installer (Level II) | 11394 |
| Circle Septic Llc | Clinton, NC | Installer (Level IV)Inspector | 11231 |
| Circle Septic Llc | Clinton, NC | Installer (Level IV)Inspector | 6975 |
| Db4 Solutions | Clinton, NC | Inspector | 11912I |
| Db4 Solutions | Clinton, NC | Installer (Level II)Inspector | 11401 |
| Ellis Vann Tew | Salemburg, NC | Installer (Level IV)Inspector | 2511 |
| Jones Excavation Llc | Clinton, NC | Installer (Level II) | 14194 |
| Julian Avilez | Faison, NC | Installer (Level II) | 15086 |
| Larry J Reeves | Ivanhoe, NC | Installer (Level IV) | 11943 |
| Max Phillips | Dunn, NC | Installer (Level II) | 11192 |
| Naylor'S Construction | Autryville, NC | Installer (Level II) | 6775 |
| One Water Solutions | Roseboro, NC | Installer (Level IV) | 13088 |
| Register'S Septic Inspections | Warsaw, NC | Inspector | 6006I |
| State Septic Service Inc | Godwin, NC | Installer (Level II) | 15325 |
| Valor Voltage Llc | Salemburg, NC | Installer (Level II) | 9694 |
18 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Sampson County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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