| Name | Deductibility Code |
| All Access Sports of Port Washington Inc. | -- |
| Alpert Family Foundation | 4 |
| American Friends of Chabad of Thailand Inc. | -- |
| Atlantic Hook & Ladder Co No 1 | -- |
| Banks Family Foundation Inc. | 4 |
| Barbara J Johnson Foundation Inc. | 4 |
| Baxters Pond Foundation Inc. | -- |
| Bowditch Remembrance Institute for Nautical Education Inc. | 4 |
| Brian P & Janet S Hehir Family Foundation | 4 |
| Brodsky Family Charitable Foundation Inc. | 4 |
| Bud Traynor Memorial Fund Inc. | -- |
| Building Bridges of Long Island Inc. | -- |
| Chabad of Port Washington | -- |
| Charge Syndrome Foundation Inc. | -- |
| Charles and Ethel Walker Foundation Inc. | 4 |
| Chevrat Tefillah Inc. | -- |
| Chhabra Family Charitable Foundation | 4 |
| Colonna Chang Family Foundation Inc. | 4 |
| Community Synagogue | -- |
| Comp4kids of Ny Inc. | -- |
| Concert Orchestra and Choir of Long Island Inc. | -- |
| Cow Neck Peninsula Historical Society | -- |
| Cow Neck Peninsula Historical Society Foundation | -- |
| Dajoy Family Foundation Inc. | 4 |
| Denise Perry-Sarracco Fund | -- |
| Dog Project and Cat Project Inc. | 4 |
| Dominican American Culture Interchange Foundation | 4 |
| Dr Kharag Singh and Bhupinder Sachdeva Charitable Foundation | 4 |
| Eternal Change Ministries Inc. | 4 |
| Eule Charitable Foundation Tr | 4 |
| Farms for City Kids Foundation Inc. | -- |
| Fire Medic Company No 1 Inc. | -- |
| Flower Hill Hose Company 1 Inc. | -- |
| Friends of the Port Washington Public Library Inc. | -- |
| General Pulaski Foundation Inc. | -- |
| George and Alice Kevorkian Foundation Inc. | 4 |
| Golub Family Foundation | 4 |
| Grafer Foundation | 4 |
| Greater Port Washington Business Improvement District Assoc Inc. | -- |
| Groundwater Press Associates | -- |
| Hagedorn Family Foundation Inc. | 4 |
| Hagedorn Foundation | 4 |
| Harvey R Lewis Foundation | 4 |
| Have A Heart Adopt A Pet Foundation Inc. | -- |
| Home Free Home Inc. | -- |
| Home-Reach Foundation Inc. | -- |
| Horace Hagedorn Foundation | 4 |
| Iglesia Cristiana Rehoboth Mensajeros De Cristo Inc. | -- |
| Ira and Priscilla Kleinberg Foundation | 4 |
| Jason Christopher Klein Foundation | 4 |
| John Michael Marino Foundation Inc. | 4 |
| John Philip Sousa Memorial Band Shell Inc. | -- |
| Joseph C Zoller Memorial Fund Inc. | -- |
| Joseph J Peltz Foundation Inc. | 4 |
| Joseph N Canigiani Charitable Foundation | 4 |
| Josh Joseph Foundation Inc. | 4 |
| Knickerbocker Cup Foundation Inc. | 4 |
| Landmark on Main Street Housing Development Fund Corporation | -- |
| Light for Orphans Corp | -- |
| Light One Little Candle Foundation | -- |
| Long Island Alzheimers Foundation Inc. | -- |
| Long Island Graphic Eye Gallery Inc. | -- |
| Long Island Liberty Lacrosse | -- |
| Main Street Journal | -- |
| Manhasset Bay Sailing Foundation Inc. | -- |
| Mark and Marilyn Talve Foundation | 4 |
| McLaughlin Foundation Inc. | 4 |
| Merrill G & Emita E Hastings | 4 |
| Mision Cristiana Rehoboth of Nassau County | -- |
| Muriel and Bert Brodsky Family Foundation | 4 |
| Nassau Cemetery Association | 6 |
| New York Foundation for Education on the Family Inc. | -- |
| New York Oceanographic Foundation | 3 |
| New York Philadelphia Presbyterian Church | -- |
| North Shore Animal League America Inc. | -- |
| North Shore Audubon Society Inc. | -- |
| Nuestro Futuro Inc. | 3 |
| Nurture New Yorks Nature Inc. | -- |
| Optimum Professional Achievement Foundation Inc. | 4 |
| Paca Inc. | -- |
| Peter Koo Community Charitable Foundation Inc. | 4 |
| Polish American Museum | -- |
| Poppys Special Friends Inc. | -- |
| Port Counseling Center Inc. | -- |
| Port Washington Education Foundation | -- |
| Port Washington Fire Department Inc. | -- |
| Port Washington Library Foundation Inc. | -- |
| Port Washington Parks Conservancy Inc. | -- |
| Port Washington Senior Citizens Inc. | -- |
| Port Washington Soccer Club Inc. | -- |
| Port Washington Tennis Academy Inc. | -- |
| Port Washington Twin Pines Consumers Assn Inc. | -- |
| Port Washington Youth Activities Inc. | -- |
| Port Washington Youth Council Inc. | -- |
| Pwgreen Inc. | -- |
| Reichmann Family Foundation | 4 |
| Residents for A More Beautiful Port Washington Inc. | -- |
| Robert Mindlin Journalism Foundation Inc. | -- |
| Royal Irish Artillery of New York Limited | -- |
| Sandminers Monument Inc. | -- |
| Schreiber Hsa Inc. | -- |
| Scotts Miracle-Gro Foundation | 4 |
| Sharp-Curtis Foundation Inc. | 4 |
| Slade Family Foundation Inc. | 4 |
| Speech for the Deaf Foundation Inc. | -- |
| Stuart M Johnson Foundation | 4 |
| Sufi American Gathering for Enlightenment | -- |
| Tapping Music | -- |
| Task Foundation | 4 |
| Taub Family Foundation Inc. | 4 |
| The Athletic Association of the Port Washington High Schools Inc. | -- |
| The Cooper Foundation | 4 |
| The Foundation for the Jewish Historical Museum in Amsterdam Inc. | -- |
| The Marilyn M Barman Charitable Trust | 4 |
| The National Marfan Foundation Inc. | -- |
| The Pet Savers Foundation Inc. | -- |
| The Tietz Family Foundation | 4 |
| Thomas McNaughton Foundation for Liver Transplants Inc. | -- |
| Uhuru Foundation Inc. | -- |
| Vincent Smith School | -- |
| Weber Hsa Inc. | -- |
| World Without Barriers Inc. | -- |
| Youth Lifeboat Inc. | -- |