| Name | Deductibility Code |
| Arts in Southold Town Inc. | -- |
| Be Safe at Home Inc. | -- |
| Corso Family Charitable Foundation Inc. | 4 |
| Cutchogue New Suffola Historical Council | -- |
| Cutchogue New Suffolk Free Library | -- |
| Friends of the Cutchogue Free Library Inc. C/O Cutchogue Free Lib | -- |
| Marine Helicopter Squadron 361 Veterans Association Inc. | -- |
| New York USA Wrestling Inc. | -- |
| North Fork Chorale Inc. | -- |
| North Fork Youth Baseball Association | -- |
| Northeast Agricultural-Aviation Association | -- |
| Old Cove Youth Sailing Foundation Inc. | -- |
| Old House Society Inc. | -- |
| Old Town Arts and Crafts Guild Inc. | -- |
| Our Lady of Mercy Regional School Endowment Fund | -- |
| Save Open Spaces Now 2000 Ltd. | -- |
| The First Baptist Church of Cuthogue Long Island New York | -- |
| World Healthcare Foundation Inc. | -- |