| Company | Location | Certifications | License # |
|---|---|---|---|
| Colston Construction Co | Ehrhardt, SC | Installer (Tier 2) | 05-367-05018 |
| Grimes Construction | Bamberg, SC | Installer (Tier 2) | 05-367-05004 |
| Low Country Septic & Excavation | Olar, SC | Installer (Tier 2) | OSWWI0380 |
| Milhouse Landscaping & Plumbin | Bamberg, SC | Installer (Tier 2) | 05-367-05019 |
| S & S Disposal Inc | Ehrhardt, SC | Pumper | 05-368-05002 |
5 companies in the SCDES on-site wastewater (OSWW) contractor registry are based in Bamberg County as of 2026-07-23. Companies based elsewhere in South Carolina also commonly serve the county.
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