| Company | Location | Certifications | License # |
|---|---|---|---|
| Billy Whetzel Jr. | Petersburg, WV | Installer (Class I) | 54-12-011 |
| Daniel Sine | Baker, WV | Installer (Class I) | 54-25-048 |
| David C. Swindell | Moorefield, WV | Installer (Class II) | 54-26-A-060 |
| David T. Hollen | Mathias, WV | Installer (Class I) | 54-23-039 |
| Edsel Warren Jenkins | Rio, WV | Installer (Class I) | 54-06-0021 |
| Eugene C. Rinker | Moorefield, WV | Installer (Class II) | 54-04-A-0031 |
| Eugene E. Markwood | Purgitsville, WV | Installer (Class I) | 54-22-039 |
| Ivan W. Whetzel | Mathias, WV | Installer (Class I) | 54-97-0201 |
| Jason Tart | Old Fields, WV | Installer (Class I) | 54-26-059 |
| Jeremy Lee Shingleton | Old Fields, WV | Installer (Class I) | 54-19-008 |
| Jerud Crites | Moorefield, WV | Installer (Class II) | 54-19-A-012 |
| Joshua D. Delawder | Moorefield, WV | Installer (Class I) | 54-19-001 |
| Justin R. Dunn | Moorefield, WV | Installer (Class I) | 54-18-005 |
| Keith E. Dove | Baker, WV | Installer (Class II) | 54-03-A-0066 |
| Kenneth N. High | Old Fields, WV | Installer (Class I) | 54-77-0135 |
| Nathan Delawder | Baker, WV | Installer (Class I) | 54-23-043 |
| Ralph E. Thorne Jr. | Moorefield, WV | Installer (Class I) | 54-83-0025 |
| Ralph Greg Delawder | Moorefield, WV | Installer (Class I) | 54-83-0029 |
| Robert E. Mongold | Mathias, WV | Installer (Class II) | 54-76-A-1184 |
| Robert G. Jenks | Wardensville, WV | Installer (Class II) | 54-06-A-0068 |
| Robert Q. Helman | Mathias, WV | Installer (Class I) | 54-19-002 |
| Ronald J. Miller | Wardensville, WV | Installer (Class I) | 54-24-0062 |
| Ryan Jennings | Wardensville, WV | Installer (Class I) | 54-26-020 |
| TYLER CODY McCARTHY | Old Fields, WV | Installer (Class I) | 54-21-052 |
24 companies in the West Virginia OEHS certified onsite sewage system installers are based in Hardy County as of 2026-07-23. Companies based elsewhere in West Virginia also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.