| Name | Deductibility Code |
| All Animal Rescue Ltd. | -- |
| Central Lacrosse Club | -- |
| Connor Cares Foundation Inc. | -- |
| Davidsonville Athletic Association Inc. | -- |
| Davidsonville Elementary School Parent Teacher Organization | -- |
| Davidsonville Family Recreation Center Inc. | -- |
| Davidsonville Ruritan Foundation Inc. | -- |
| Davidsonville Wildlife Sanctuary Inc. | -- |
| Decesaris Foundation Inc. | 4 |
| Deora Bodleys Project Team Inc. | -- |
| Free State Fly Fishers Inc. | -- |
| Isabels Gift Inc. | -- |
| Marjorie House Inc. | -- |
| Maryland South Baseball Association | -- |
| Moses Udebiuwa Memorial Foundation | -- |
| National Endangered Wild Animal Research & Conserv Center Inc. | -- |
| Native American Retreat Haven | -- |
| Priscillas Children Inc. | -- |
| Rector Wardens and Vestry of All Hallows Parish | -- |
| Rem Christian Ministries Incorporated | -- |
| Sacred Heart Council No 2577 Charities Inc. | -- |
| Shrine of the Holy Grill Inc. | -- |
| South County Pre Kindergarten Co-op Inc. | -- |
| Talent Machine Company Inc. | -- |
| The Focus Foundation Inc. | -- |
| The Micheaux Foundation | -- |
| True Light of Christ Church | -- |
| United Cerebral Palsy of Prince Georges & Montgomery Counties Md | -- |