Southold Historical Society Inc 11-6023750 Click to copy NY Arts and Culture 4 Hallockville Inc 11-2365133 Click to copy NY Arts and Culture 3 Northport Historical Society 23-7344371 Click to copy NY Arts and Culture 3 Oysterponds Historical Society Inc Long Island 11-1892401 Click to copy NY Arts and Culture 3 Caumsett Foundation Incorporated 11-3396186 Click to copy NY Environment 2 Custer Institute Inc 11-6035623 Click to copy NY Education 2 East End Seaport Museum and Marine 11-3109151 Click to copy NY Community Improvement 2 East Hampton Historical Society Inc 11-6035631 Click to copy NY Arts and Culture 2 Eastern Long Island Hospital Assoc Inc 11-1633563 Click to copy NY Health 2 Fenimore Art Museum 15-0539110 Click to copy NY Arts and Culture 2 Friends of Cedarmere Inc 27-2291032 Click to copy NY Arts and Culture 2 Friends of Raynham Hall Inc 11-6038038 Click to copy NY Arts and Culture 2 Friends of Rock Hall Inc 11-2411540 Click to copy NY Arts and Culture 2 Heckscher Museum 11-6038031 Click to copy NY Arts and Culture 2 Huntington Historical Society 11-6003290 Click to copy NY Arts and Culture 2 King Manor Association of Long Island Inc 11-2396324 Click to copy NY Arts and Culture 2 Long Beach Historical Society 11-2632835 Click to copy NY Arts and Culture 2 Mattituck Historical Society Inc 23-7062997 Click to copy NY Arts and Culture 2 Nassau County Museum of Art 11-2949583 Click to copy NY Arts and Culture 2 Old Westbury Gardens Inc 11-1902968 Click to copy NY Environment 2 Planting Fields Foundation 11-1770097 Click to copy NY Environment 2 Quogue Historical Society 11-2409132 Click to copy NY Arts and Culture 2 Renee & Chaim Gross Foundation Inc 13-3490010 Click to copy NY Philanthropy 2 Sag Harbor Historical Society 11-2781291 Click to copy NY Arts and Culture 2 Sagtikos Manor Historical Society 11-2075259 Click to copy NY Arts and Culture 2 Smithtown Historical Society 11-6020158 Click to copy NY Arts and Culture 2 Sons of the Revolution in the State of New York Inc 13-5563011 Click to copy NY Arts and Culture 2 Suffolk County Vanderbilt Museum 11-6037002 Click to copy NY Arts and Culture 2 The Long Island Museum of American Art History & Carriages 11-1667767 Click to copy NY Arts and Culture 2 Victor Damico Institute of Art 11-2319425 Click to copy NY Arts and Culture 2 Abiding Presence Lutheran Church 11-0108063 Click to copy NY Religion 1 Agricultural Society Fund Inc 20-5443776 Click to copy NY Food and Agriculture 1 Albany County Historical Assoc Inc 14-6048668 Click to copy NY Arts and Culture 1 Albany Institute of History and Art 14-1343061 Click to copy NY Arts and Culture 1 Albany Schenectady Green County Agricultural & Historical Society 14-1368263 Click to copy NY Food and Agriculture 1 American Emergent Curriculum Inc 84-2361083 Click to copy NY Cause Not Recorded 1 Amigos De Educacion De Alamos 98-0156328 Click to copy AZ Education 1 Arts Business Collaborative Inc 83-2173068 Click to copy NY Community Improvement 1 Arts Project of Cherry Grove Inc 11-2468118 Click to copy NY Arts and Culture 1 Association of Public Historians of New York State 32-0157038 Click to copy NY Arts and Culture 1 Aurora Masonic Center 20-1599994 Click to copy NY Arts and Culture 1 Babylon Beautification Society Inc 11-2599859 Click to copy NY Environment 1 Babylon Town Historical Society 14-1976644 Click to copy NY Arts and Culture 1 Bartow-Pell Landmark Fund 51-0243951 Click to copy NY Arts and Culture 1 Bay Shore United Methodist Church 11-2005524 Click to copy NY Cause Not Recorded 1 Bay Street Theatre Festival Inc 13-3628854 Click to copy NY Arts and Culture 1 Beacon Historical Society 14-1584680 Click to copy NY Arts and Culture 1 Bedford Historical Society 13-6113164 Click to copy NY Arts and Culture 1 Bellport-Brookhaven Historical Society 11-6079116 Click to copy NY Arts and Culture 1 Bundy Museum of History and Art 27-4976890 Click to copy NY Arts and Culture 1