| Name | Deductibility Code |
| Animal Rescue Force Inc. | -- |
| Association of Brookhaven Technical Educators Inc. | -- |
| Bi-County Helpline for Abuse Against Women and Children Inc. | -- |
| Brookhaven Arts & Humanities Council Inc. | -- |
| Donald R Porter Ministries Inc. | -- |
| Excel Disabled Equestrians Inc. | -- |
| Faith of Gods Word Ministry Incorporated | -- |
| Farmingville Fire Department Inc. | 6 |
| Farmingville Improvement Council Inc. | -- |
| Farmingville Residents Association Inc. | -- |
| Help the Animals Fund Inc. | -- |
| Helping Hands Outreach Ministries Inc. | -- |
| Human Solidarity Organization Inc. | -- |
| John Digiovanni Memorial Fund Inc. | -- |
| Long Island Rebels Hockey Association Ltd. | -- |
| Long Island Volleyball Club Inc. | -- |
| National Indo-American Association for Senior Citizens Inc. | -- |
| Portuguese American Center of Suffolk Inc. | -- |
| Productions Over the Rainbow Incorporated | -- |
| Promise Christian Ministries Inc. | -- |
| Ronald Allen Sr Ministries Inc. | -- |
| Sachem Marching Band Parents Alliance | -- |
| Sachem Quality of Life Organization Inc. | -- |
| Second Chance Wildlife Rescue Inc. | -- |
| Spinal Cord Foundation | -- |
| Strong Island Ice Hockey | -- |
| Unidad Latina Inc. | -- |
| United States Police Canine Association | -- |