| Name | Deductibility Code |
| Eebb Org Inc. | -- |
| Five Town Rural Transit Inc. | -- |
| Garden Club of Shelter Island Inc. | -- |
| New York State Association of Teacher Educators Inc. | -- |
| Nuray Unal Foundation Inc. | 4 |
| Shelter Island Housing Options Inc. | -- |
| Shelter Island Lions Club Foundation | -- |
| Sport Fishing Unlimited Inc. | 4 |
| Union Chapel in the Grove | -- |