| Name | Deductibility Code |
| A Midwinter Nights Dream Inc. | -- |
| Ahl Foundation Inc. | -- |
| Animal Rights Coalition of New York Inc. | -- |
| Canta Libre Inc. | -- |
| Center for the Study of Women & Sobriety Inc. | -- |
| Christina and Paul Martin Foundation | -- |
| Concepts for Narcotics Prevention Inc. | -- |
| Dance Education Services of Long Island Inc. | -- |
| Desiderio Family Charities Inc. | -- |
| Dreamspace Ltd. | -- |
| Employees Resource Foundation | -- |
| For Chrisinda | 4 |
| Foundation for the Betterment of Estonian Life and Education | 4 |
| Franklin Projects Inc. | 4 |
| Friends of America Inc. | -- |
| Friends of Huntington Crew Inc. | -- |
| Friends of the Farm Northport Inc. | -- |
| Friennds of Northport Inc. | -- |
| George Polli Foundation Inc. | -- |
| Global Emergency Org Inc. | -- |
| Great Cow Harbor-10 Kilometer Run Inc. | -- |
| Heart and Soul of Long Island Inc. | -- |
| Howard A Glickstein Fund | 4 |
| L I Yoga Association | -- |
| Living Stones Ministry | -- |
| Long Island Campaign for Affordable Rental Housing Inc. | -- |
| Long Island Cantors Association Inc. | -- |
| Long Island Center for Arts and Sciences Inc. | -- |
| Long Island Masterworks Inc. | -- |
| Louis J Acompora Memorial Foundation | -- |
| Marine Exploration Soceity | -- |
| Morris C Doniger Foundation for Families in Transition Inc. | 4 |
| Moser-Tyrrel Memorial Fund | 4 |
| Nassau County School Cooperative Workers Compensation Self Insrd Tr | -- |
| Northport Arts Coalition Inc. | -- |
| Northport Chorale Inc. | -- |
| Northport Cow Harbor United Soccer Club | -- |
| Northport Employees Day Care Inc. | -- |
| Northport Historical Society | -- |
| Northport Lacrose Club Inc. | -- |
| Northport Nursery School | -- |
| Northport Performing Arts Center Inc. | -- |
| Northport Rural Cemetery Association | 6 |
| Northport Volunteer Fire Department Transportation Equipment and Activ | -- |
| Northport Youth Center Soccer League | -- |
| Northport-East Northport Community Theater Inc. | -- |
| Oshea Contino Family Foundation | 4 |
| Pius Family Foundation | 4 |
| Ride to Heal Foundation | -- |
| Riley Family Foundation | 4 |
| Robert J & Susan L Chrenc Family Foundation | 4 |
| Rose Among Thorns Ministries Inc. | -- |
| Safe Haven for Animals | -- |
| Suffolk Orton Society Inc. | -- |
| The Montford Foundation | 4 |
| United Animal Welfare Society | -- |
| Vision Long Island | -- |
| Visiting Nurse Service and Hospice of Suffolk Inc. | -- |
| Will J Wright Broadcast Journalism Coaching Foundation Inc. | 4 |