| Name | Deductibility Code |
| Dulles Foundation Club | -- |
| Fellowship of Ailbe | -- |
| Gingersnap Girls Equine Education & Rescue Foundation | -- |
| Groundwater Response Taskforce | -- |
| Hamilton Safety Center | -- |
| Hamilton Sports Association | -- |
| Hamilton Volunteer Fire Department | -- |
| Hamilton Volunteer Rescue Squad Inc. | -- |
| Historic Church Preservation Inc. | -- |
| Morning Star Ministries of Loudoun County | -- |
| Oracle Institute | -- |
| Servants 4 Him Inc. | -- |
| Windswept Academy | -- |