| Name | Deductibility Code |
| Alice Curtis Desmond and Hamilton Fish Library | 3 |
| Baltimore Chesapeake Bay Outward Bound Center Inc. | -- |
| Bethany Chapel Inc. C O J Dyrud | -- |
| Boscobel Restoration Inc. | -- |
| Expeditionary Learning Outward Bound Inc. | -- |
| Flyaway | -- |
| Garrison Art Center | -- |
| Garrison Childrens Education Fund | -- |
| Garrison Institute | -- |
| Garrison Volunteer Ambulance Corp | -- |
| Garrisons Landing Association Inc. | -- |
| Hartley Corporation | 4 |
| Hastings Center Inc. | -- |
| Hudson Highlands Land Trust Inc. | -- |
| Hudson River Ark Inc. | -- |
| Hudson River Film & Video Co Inc. | -- |
| Hurricane Island Outward Bound School | -- |
| Lambs Theatre Company Ltd. | -- |
| Manitoga Inc. | -- |
| Moment of Truth Broadcast Inc. | -- |
| Outward Bound Wilderness Inc. | -- |
| Philadelphia Outward Bound Center | -- |
| Philipstown Garden Club Inc. | -- |
| Philipstown Performing Arts Development Corporation | -- |
| Pride First Corporation | -- |
| San Francisco Outward Bound Center Inc. | -- |
| St. Christophers Inn Inc. | -- |
| Therapeutic Equestrian Center Inc. | -- |
| Voyageur Outward Bound School | -- |
| Walter Hoving Home Inc. | -- |