Heckscher Museum 11-6038031 Click to copy NY Arts and Culture 10 North Shore Land Alliance Inc 56-2368769 Click to copy NY Environment 10 Planting Fields Foundation 11-1770097 Click to copy NY Environment 8 Society of St Johnland 11-1890580 Click to copy NY Health 6 Don Monti Memorial Research Foundation 23-7250667 Click to copy NY Philanthropy 5 Glenada Casino Foundation Inc 46-2744971 Click to copy NY Community Improvement 5 Green Vale School 11-1633568 Click to copy NY Education 5 Long Island Childrens Museum 11-3035221 Click to copy NY Arts and Culture 5 Nassau County Museum of Art 11-2949583 Click to copy NY Arts and Culture 5 Save the Children International US Inc 37-1975897 Click to copy NY International 5 St Johns Church 11-1639839 Click to copy NY Religion 5 Family Service League Inc 11-1631827 Click to copy NY Human Services 4 Friends Academy 11-1633485 Click to copy NY Education 4 Grenville Baker Boys and Girls Club Inc 11-1660855 Click to copy NY Youth Development 4 Huntington Hospital Nurses Association 11-2926477 Click to copy NY Health 4 Millbrook School 14-1413770 Click to copy NY Education 4 North Shore Holiday House Inc 11-1801729 Click to copy NY Recreation and Sports 4 Old Westbury Gardens Inc 11-1902968 Click to copy NY Environment 4 Pink Aid Inc 47-1031835 Click to copy CT Philanthropy 4 Townwide Fund of Huntington Inc 11-1975035 Click to copy NY Philanthropy 4 Whaling Museum Society Inc 11-6037958 Click to copy NY Arts and Culture 4 Cold Spring Harbor Fire House Museum 26-1661788 Click to copy NY Arts and Culture 3 Community Foundation of Oyster Bay Inc 11-2590825 Click to copy NY Philanthropy 3 Friends of Raynham Hall Inc 11-6038038 Click to copy NY Arts and Culture 3 Friends of T J Foundation Inc 27-4035140 Click to copy NY Philanthropy 3 Glen Cove Boys and Girls Club at Lincoln House Inc 11-1673938 Click to copy NY Youth Development 3 Interfaith Nutrition Network 11-2676892 Click to copy NY Food and Agriculture 3 North Shore Child and Family Guidance Association Incorporated 11-1797183 Click to copy NY Human Services 3 Pal-O-Mine Equestrian Inc 11-3302338 Click to copy NY Human Services 3 Suffolk County Vanderbilt Museum 11-6037002 Click to copy NY Arts and Culture 3 The Safe Center Li Inc 11-2442377 Click to copy NY Human Services 3 The St Francis Hospital Foundation Inc 11-2916033 Click to copy NY Health 3 Walt Whitman Birthplace Association 51-0159009 Click to copy NY Arts and Culture 3 American Museum of Fly Fishing Inc 03-0220781 Click to copy VT Arts and Culture 2 Associazione Culturale Italiana Di New York Inc 26-4316546 Click to copy NY Arts and Culture 2 Atlantic Marine Conservation Society Ltd 81-3706499 Click to copy NY Environment 2 Bone Marrow and Cancer Foundation Inc 13-3674198 Click to copy NY Health 2 Boy Scouts of America 11-1631798 Click to copy NY Youth Development 2 Central Nassau Guidance & Counseling Services Inc 11-2438388 Click to copy NY Mental Health 2 Citizens Campaign Fund for the Environment 11-2983418 Click to copy NY Environment 2 Cleary Foundation for the Deaf Inc 01-0902150 Click to copy NY Education 2 Cold Spring Harbor Educational Foundation Inc 45-4525251 Click to copy NY Education 2 Cold Spring Harbor Library 11-1805335 Click to copy NY Education 2 Cold Spring Harbor Library Friends Foundation 11-3594859 Click to copy NY Education 2 Community Synagogue 11-1992681 Click to copy NY Religion 2 Cristo Rey Brooklyn High School 26-2433224 Click to copy NY Education 2 Cutchogue-New Suffolk Historical Council Inc 11-6952000 Click to copy NY Arts and Culture 2 Dominican Village Inc 11-3037708 Click to copy NY Human Services 2 East End Seaport Museum and Marine 11-3109151 Click to copy NY Community Improvement 2 East Woods School Inc 11-1554072 Click to copy NY Education 2