| Company | Location | Certifications | License # |
|---|---|---|---|
| Aaron Rice | Hedgesville, WV | Installer (Class I) | 54-25-018 |
| Aaron Tabb | Bunker Hill, WV | Installer (Class I) | 54-01-0208 |
| ADAM LEE McDONALD | Martinsburg, WV | Installer (Class II) | 54-06-A-0020 |
| Andreas Hale | Martinsburg, WV | Installer (Class II) | 54-26-A-016 |
| Anthony Price | Hedgesville, WV | Installer (Class I) | 54-07-0003 |
| Barry W. Barr | Hedgesville, WV | Installer (Class II) | 54-24-A-0035 |
| Bill B. Burkhart | Martinsburg, WV | Installer (Class II) | 54-76-A-0205 |
| Brent Lloyd Unger | Hedgesville, WV | Installer (Class I) | 54-03-0047 |
| Brian Wayne Cushwa | Gerrardstown, WV | Installer (Class II) | 54-23-A-010 |
| Caroll Douglas Silver | Martinsburg, WV | Installer (Class I) | 54-94-0227 |
| Carter Jones | Martinsburg, WV | Installer (Class I) | 54-26-050 |
| Chad Grant | Falling Waters, WV | Installer (Class I) | 54-06-0061 |
| Charles Moore | Falling Waters, WV | Installer (Class I) | 54-24-0052 |
| Charles Scott Everhart | Hedgesville, WV | Installer (Class II) | 54-03-A-0044 |
| Charley L. Renner | Martinsburg, WV | Installer (Class I) | 54-91-0233 |
| Christopher A. Lane | Bunker Hill, WV | Installer (Class I) | 54-24-0056 |
| Clinton W. Hutzler | Hedgesville, WV | Installer (Class I) | 54-17-007 |
| Cody Petry | Martinsburg, WV | Installer (Class II) | 54-19-A-018 |
| Danny Martin | Hedgesville, WV | Installer (Class I) | 54-24-0054 |
| Darren L. Prochazka | Gerrardstown, WV | Installer (Class II) | 54-03-A-0028 |
| Dave Janda | Falling Waters, WV | Installer (Class I) | 54-08-0015 |
| David Alan Sanbower | Hedgesville, WV | Installer (Class I) | 54-87-0255 |
| David L. Mcgill | Martinsburg, WV | Installer (Class II) | 54-98-A-0200 |
| David W. Wood | Glengary, WV | Installer (Class II) | 54-19-A-024 |
| Devin Flohr | Martinsburg, WV | Installer (Class I) | 54-26-054 |
| Douglas E. Copenhaver Jr. | Hedgesville, WV | Installer (Class I) | 54-92-0228 |
| Eddie A. Bohrer Jr. | Bunker Hill, WV | Installer (Class I) | 54-03-0006 |
| Gary A. Poling | Bunker Hill, WV | Installer (Class II) | 54-01-A-0213 |
| Gary Norman Parsons Jr. | Gerrardstown, WV | Installer (Class I) | 54-95-0226 |
| Gary Orsini | Bunker Hill, WV | Installer (Class II) | 54-76-A-1229 |
| Glen A. Dugan | Bunker Hill, WV | Installer (Class I) | 54-89-0261 |
| Gregory A. Talley | Hedgesville, WV | Installer (Class II) | 54-20-A-031 |
| Gregory D. Dash Jr. | Falling Waters, WV | Installer (Class II) | 54-06-A-0088 |
| Harwood Blake Dunham | Glengary, WV | Installer (Class II) | 54-18-A-025 |
| Hunter Brock | Hedgesville, WV | Installer (Class I) | 54-25-006 |
| James Alan Stevens | Inwood, WV | Installer (Class I) | 54-94-0213 |
| James David Minghini | Hedgesville, WV | Installer (Class I) | 54-76-0389 |
| James G. Johnson | Martinsburg, WV | Installer (Class I) | 54-92-0204 |
| James G. Thurston | Inwood, WV | Installer (Class II) | 54-11-A-028 |
| James Nathan Mcclung | Martinsburg, WV | Installer (Class I) | 54-22-043 |
| James P. Whitacre | Martinsburg, WV | Installer (Class II) | 54-91-A-0228 |
| James W. Harden Jr. | Martinsburg, WV | Installer (Class II) | 54-91-A-0236 |
| Jerry Dunham | Hedgesville, WV | Installer (Class I) | 54-24-0016 |
| Jerry Kois | Martinsburg, WV | Installer (Class I) | 54-25-054 |
| John Edward Shibley | Falling Waters, WV | Installer (Class I) | 54-24-0076 |
| John L. Spates | Hedgesville, WV | Installer (Class II) | 54-95-A-0223 |
| Jonathan G Saunders | Hedgesville, WV | Installer (Class I) | 54-24-0017 |
| Joseph R. Hemler | Falling Waters, WV | Installer (Class I) | 54-03-0078 |
| Joseph Zachary Collis | Hedgesville, WV | Installer (Class II) | 54-04-A-0093 |
| Joshua W. Kief | Hedgesville, WV | Installer (Class II) | 54-16-A-009 |
| Justin Groves | Martinsburg, WV | Installer (Class II) | 54-25-A-031 |
| Kenneth W. Charlton | Hedgesville, WV | Installer (Class I) | 54-23-036 |
| Kevin E. Jenkins | Gerrardstown, WV | Installer (Class II) | 54-20-A-020 |
| Kevin M. Murphy | Martinsburg, WV | Installer (Class II) | 54-21-A-046 |
| Kirk Douglas Mills Sr. | Martinsburg, WV | Installer (Class II) | 54-81-A-0070 |
| Kristopher Messner | Gerrardstown, WV | Installer (Class II) | 54-12-A-031 |
| Leroy Manspile | Martinsburg, WV | Installer (Class II) | 54-99-A-0221 |
| Lucas J. Wishmyer | Falling Waters, WV | Installer (Class I) | 54-25-002 |
| Marshall Seth DeHaven | Hedgesville, WV | Installer (Class I) | 54-25-013 |
| Martin Waller Tabb | Inwood, WV | Installer (Class I) | 54-01-0207 |
| Matthew R. Barrett | Hedgesville, WV | Installer (Class II) | 54-02-A-0217 |
| Micah R. Brinklow | Inwoood, WV | Installer (Class I) | 54-22-048 |
| Michael A. Ashton | Hedgesville, WV | Installer (Class I) | 54-00-0212 |
| Michael E. Frye | Inwood, WV | Installer (Class I) | 54-08-0061 |
| Nathan A. Petry | Berkeley Springs, WV | Installer (Class II) | 54-19-A-019 |
| Nathan Miller | Inwood, WV | Installer (Class II) | 54-99-A-0207 |
| Oren Joe Eagle Jr. | Falling Waters, WV | Installer (Class II) | 54-85-A-0054 |
| Peter Robert Palmer Jr. | Martinsburg, WV | Installer (Class II) | 54-96-A-0205 |
| Philip R. Pittsnogle | Martinsburg, WV | Installer (Class I) | 54-76-0366 |
| Phillip P. Cogar | Hedgesville, WV | Installer (Class I) | 54-79-0054 |
| Randall Burrus Dehaven | Hedgesville, WV | Installer (Class I) | 54-92-0217 |
| Richard C. Jordan | Falling Waters, WV | Installer (Class I) | 54-12-002 |
| Richard S. Barrett Jr. | Shepherdstown, WV | Installer (Class II) | 54-00-A-0221 |
| Robert Franklin Butts | Martinsburg, WV | Installer (Class II) | 54-95-A-0229 |
| Robert Lee Petry | Gerrardstown, WV | Installer (Class II) | 54-23-A-016 |
| Rodney Mills | Martinsburg, WV | Installer (Class I) | 54-97-0230 |
| Roger E. Ayers | Inwood, WV | Installer (Class I) | 54-01-0202 |
| Roger Kirby Jr. | Hedgesville, WV | Installer (Class I) | 54-24-0075 |
| Roger L. Palmer | Gerrardstown, WV | Installer (Class II) | 54-88-A-0238 |
| Ronald O. Proctor | Hedgesville, WV | Installer (Class I) | 54-08-0058 |
| Roy Lambert | Bunker Hill, WV | Installer (Class I) | 54-24-0058 |
| Scott W. Mcdermitt | Hedgesville, WV | Installer (Class I) | 54-13-005 |
| Timothy B. Folk | Martinsburg, WV | Installer (Class I) | 54-99-0208 |
| Walter Woolum | Hedgesville, WV | Installer (Class II) | 54-95-A-0238 |
| Wendi Lynne Pugh | Hedgesville, WV | Installer (Class I) | 54-03-0060 |
| Zachary M. Walter | Hedgesville, WV | Installer (Class I) | 54-05-0005 |
86 companies in the West Virginia OEHS certified onsite sewage system installers are based in Berkeley County as of 2026-07-23. Companies based elsewhere in West Virginia also commonly serve the county.
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