| Name | Deductibility Code |
| Amagansett Free Library | -- |
| Amagansett Historical Association | -- |
| Amagansett Village Improvement Society | -- |
| Breast Cancer Alternatives Inc. | -- |
| Champions for Ms and Parkinsons Inc. | -- |
| Comunidad Cristiana Renacer | -- |
| Dalene Family Foundation Inc. | 4 |
| East Hampton Baymens Emergency Medical Fund Inc. | -- |
| East Hampton Trails Preservation Society Inc. | -- |
| East Hampton Youth Allaince Inc. | -- |
| Hamptons Shakespeare Festival Inc. | -- |
| Jack and Jane Rivkin Foundation | 4 |
| Multi Aquaculture Research Inc. C O Roy T Parker III Esq | 4 |
| Music Festival of the Hamptons Inc. | -- |
| Ortho Fund 930 Inc. | -- |
| Sabin Conservation Fund Inc. | 3 |
| Victor Damico Institute of Art | -- |
| Willem De Kooning Foundation | 3 |