| Name | Deductibility Code |
| Beginning A New Life Inc. | -- |
| Cdcli Foundation Corporation | -- |
| Cdcli Housing Development Fund Corporation | -- |
| Centereach Cheerleaders Spirit Club | -- |
| Community Development Corporation of Long Island Inc. | -- |
| Community Foundation of Centereach | -- |
| Community Outreach Properties Inc. | -- |
| Community Singers of Queens Inc. | -- |
| Disability Resources Inc. | -- |
| Genesis Center for Empowerment | -- |
| Gospel Revivals | -- |
| Grand Council of Cryptic Masons of the State of New York Inc. | 1,2,6 |
| Herstory Writers Workshop Inc. | -- |
| Inherited Metabolic Disorders Support Group of Suffolk County | -- |
| James McNaughton Foundation | -- |
| Long Island Responds | -- |
| Middle Country Central School District Education Foundation Inc. | -- |
| Middle Country Childrens Soccer Inc. | -- |
| Middle Country Coalition for Smart Growth Inc. | -- |
| Middle Country Library Foundation Inc. | -- |
| Middle Country Sports Association Inc. | -- |
| Middle Country Youth Association Inc. | -- |
| Miss Barbaras Nursery School | -- |
| Nypd Hockey Club Inc. | 4 |
| Our Saviour Church Housing Inc. | -- |
| People & Animals With Needs Inc. | -- |
| Smithtown Hunt Inc. | -- |
| The Friends of the Middle Country Public Library Inc. | -- |
| Vajiradhammapadip Temple | -- |