| Company | Location | Certifications | License # |
|---|---|---|---|
| Alexander Tafoya Martie | Woodsfield, WV | Installer (Class I) | 54-23-014 |
1 company in the West Virginia OEHS certified onsite sewage system installers is based in Green County as of 2026-07-23. Companies based elsewhere in West Virginia also commonly serve the county.
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