| Company | Location | Certifications | License # |
|---|---|---|---|
| 4js Construction | Pageland, SC | Installer (Tier 2) | 13-367-13079 |
| 4js Construction | Pageland, SC | Pumper | 13-368-13015 |
| A & H Septic Tank | Cheraw, SC | Installer (Tier 2) | 13-367-13019 |
| A & H Septic Tank | Cheraw, SC | Pumper | 13-368-13003 |
| B P Llc | Pageland, SC | Installer (Tier 2) | 13-367-13064 |
| Cox Sewer Services | Jefferson, SC | Installer (Tier 2) | 13-367-13077 |
| Graves Plumbing | Pageland, SC | Pumper | 13-368-13008 |
| Ibm Construction | Chesterfield, SC | Installer (Tier 2) | 13-367-13013 |
| Oliver Environmental Services | Ruby, SC | Installer (Tier 2) | 21-367-21083 |
| Oliver Environmental Services | Ruby, SC | Pumper | 13-368-13011 |
| Robinson'S Grading | Pageland, SC | Installer (Tier 2) | 13-367-13078 |
| Rocking M Construction Llc | Cheraw, SC | Installer (Tier 2) | OSWWI0267 |
| Steven'S Pumping Service | Ruby, SC | Installer (Tier 2) | 13-367-13072 |
| Steven'S Pumping Service | Ruby, SC | Pumper | 13-368-13009 |
| Top Notch Land Service | Pageland, SC | Installer (Tier 2) | 13-367-13076 |
| Top Notch Septic Service | Pageland, SC | Pumper | OSWWP0065 |
| Wendell Hall | Cheraw, SC | Installer (Tier 2) | OSWWI0270 |
17 companies in the SCDES on-site wastewater (OSWW) contractor registry are based in Chesterfield County as of 2026-07-23. Companies based elsewhere in South Carolina also commonly serve the county.
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