| Name | Deductibility Code |
| American Concours Foundation | -- |
| Atlantic Golf Club Foundation | -- |
| Bridge Cat Foundation Inc. | 3 |
| Bridge Hampton Historical Society | -- |
| Bridgehampton Child Care & Recreational Center Inc. | -- |
| Bridgehampton Pto | -- |
| Bridgehampton Village Improvement Society Inc. | -- |
| Bridgehampton Volunteer Fire Department | -- |
| Childrens Museum of the East End | -- |
| Childrens Summer Lunch Program Inc. | -- |
| Choral Society of the Hamptons & South Fork Chamber Orchestra Inc. | -- |
| Citizens Advisory Panel Inc. | 4 |
| Eagleton War Memorial Scholarship Fund Inc. | 4 |
| East End Gay Org Fdn for Lesbian Gay Bisexual Transgender Rights | -- |
| Friends of the Long Pond Greenbelt Inc. | -- |
| Geri Bauer Foundation Inc. | 4 |
| Hampton Classic Horse Show Inc. | -- |
| Hampton Library in Bridgehampton Inc. | -- |
| Hayground School Inc. | -- |
| Horticultural Alliance of the Hamptons Ltd. | -- |
| Jay R Paul Charitable Foundation | 4 |
| Mark Musnicki Memorial Scholarship Fund | -- |
| Pcos Awareness Campaign Corp | -- |
| Sag Harbor Community Band Inc. | -- |
| South Fork Natural History Society | -- |
| Southampton Trail Preservation Society Ltd. | -- |
| The Bridgehampton Association | -- |
| The Yvette and Joel Mallah Family Foundation | 4 |
| Tully & Michele Plessser Foundation | 4 |
| Vital Edge Fund | -- |