| Name | Deductibility Code |
| Chesapeake Choral Arts Society Inc. | -- |
| Foundation for Educational Alternatives Inc. | -- |
| Luther M and Sally A Grainger Family Foundation Inc. | 4 |
| Maryland Christian Academy | -- |
| Port Tobacco River Conservancy Inc. | -- |
| Society for the Restoration of Port Tobacco Inc. | -- |
| St. Thomas Manor Trust Inc. | -- |