| Name | Deductibility Code |
| A C P D D Inc. | 4 |
| Association for the Advancement and Appreciation of Cultural and | -- |
| Bethel-Laurel Hill Community Preservation Inc. | 4 |
| Center for Chinese Learning at Stony Brook Inc. | -- |
| Chabad at Stony Brook Inc. | -- |
| Chapel Ministries Inc. | -- |
| Emma S Clark Memorial Library Association | -- |
| Ephesians Four Ministries C O Rev Charles Sarvis | -- |
| Fellowship Synogogue | -- |
| Frank Melville Memorial Foundation | 3 |
| Gallery North Inc. | -- |
| Gulati Family Foundation Inc. | 4 |
| Higher Ground Inter-Cultural & Heritage Assoc Inc. | -- |
| Hwa Um Sa Temple | -- |
| International Scientific & Information Services Isis Inc. | -- |
| Joseph Cirillo Foundation | 4 |
| Joy & Happiness | -- |
| Long Island Association of Emergency Vehicle Technicians | -- |
| Long Island Mariners Inc. | -- |
| Long Island Symphonic Choral Assoc Inc. | -- |
| Michael & Ronne Cosel Foundation | 4 |
| New York Zen Center of Rinzai-Ji Inc. C O Edgar Kann | -- |
| North Shore Royals Travel Baseball & Softball Club Inc. | -- |
| Northern Brookhaven Little League | -- |
| Recorder Orchestra Inc. | -- |
| Restoring the Heart Ministries | -- |
| Setauket Giants Travel Baseball - Softball Club | -- |
| Setauket Parents Play School Inc. | -- |
| St. German of Alaska Eastern Orthodox Catholic Church | -- |
| Suffolk County Mathematics Teachers Association Inc. | -- |
| Swartz Foundation Ua 110594 | 4 |
| The Greek Orthodox Patriachate of Jerusalem | -- |
| Three Village Community Trust Inc. | -- |