| Name | Deductibility Code |
| Blue Ocean Institute Inc. | -- |
| Chabad of Upper Mid Nassau Inc. | -- |
| Christopher Slattery Memorial Scholarship Foundation | -- |
| Freedom Tribe Inc. | -- |
| Hands Up for Kidz | -- |
| Interreligions and Human Needs Council of Northeast Nassau Inc. | -- |
| Long Island Drinking Water Coalition Inc. | -- |
| Long Island Wrestling Association Inc. | -- |
| Matinecock Monthly Meeting of the Religious Society of Friends | -- |
| Nassau Land Trust Incorporated | -- |
| Oyster Bay Rough Riders Youth Football Inc. | 4 |
| Pine Hollow Charity Fund Inc. | -- |
| Rough Rider Lacrosse Inc. | -- |
| Wildlife Rehabilitation Center of Long Island | -- |