| Name | Deductibility Code |
| Big Learning Inc. | -- |
| D Squared Foundation Inc. | 4 |
| Fred and Helen Carroll Vogel Charitable Tr | 4 |
| G I V E S Garrett Park Intercommunity Voluntary Experimen | -- |
| Garrett Park Conservation Tr Inc. | -- |
| Garrett Park Elementary School Education Foundation Inc. | -- |
| Garrett Park Nursery School Inc. | -- |
| The Benjamin Peace Foundation Inc. | 4 |
| Washington Japanese Language School | -- |