| Name | Deductibility Code |
| Buck Family Foundation | 4 |
| Chesterwye Foundation Inc. | -- |
| Eastern Shore Land Conservancy Inc. | -- |
| Friel Foundation Inc. | 4 |
| Harry R Hughes Center for Agro Ecology Inc. | -- |
| Kirchner Family Foundation Inc. | 4 |
| Maryland Educational Media Organization Inc. | -- |
| Mid-Atlantic Maritime Festival Inc. | -- |
| Queen Annes Conservation Fund Inc. | -- |
| Queen Annes County Mental Health Committee Inc. | -- |
| Queen Annes County Watermans Festival Inc. | -- |
| The Aspen Institute Inc. | -- |
| Worship Without Walls | -- |
| Wye Institute Inc. | 4 |