| Name | Deductibility Code |
| Antietam Womens Ensemble | -- |
| Friends of Tolsons Chapel | -- |
| New Life Fellowship Inc. | -- |
| New Life Full Gospel Church Inc. | -- |
| Potomac Valley Fire Company Inc. | 6 |
| Samples Manor Cemetery Inc. | 6 |
| Save Historic Antietam Foundation Inc. | -- |
| School-Age Child Care Inc. | -- |
| Sharpsburg Area Emergency Medical Service Inc. | -- |
| Sharpsburg Historical Society Inc. | -- |
| Washington County Agricultural Organization Inc. | -- |
| Western Maryland Heritage Foundation Inc. | -- |
| Western Maryland Interpretive Association Inc. | -- |