| 1 | Insita Group Ltd | Philanthropy, Voluntarism & Grantmaking | $50.4M | $53.2M |
| 2 | Redlich Horwitz Foundation | Unclassified | $17.7M | $17.1M |
| 3 | Local Union 808 I B T Health and Welfare Fund | Unclassified | $14.8M | $13.7M |
| 4 | Frog Rock Foundation | Philanthropy, Voluntarism & Grantmaking | $6.6M | $13.0M |
| 5 | Frieder Family Foundation | Philanthropy, Voluntarism & Grantmaking | $5.3M | $2.7M |
| 6 | Hettinger Foundation | Unclassified | $4.6M | $14.8M |
| 7 | Making Headway Foundation INC | Medical Research | $4.0M | $3.9M |
| 8 | Camp Fire Club of America | Unclassified | $2.6M | $10.9M |
| 9 | International Brotherhood of Teamsters | Unclassified | $1.8M | $1.5M |
| 10 | First Steps to Heal | Human Services | $1.7M | $550K |
| 11 | Castle Athletics INC | Recreation & Sports | $1.6M | $52K |
| 12 | Oak Lane Child Care Center of Pleasantville INC | Unclassified | $1.5M | $1.1M |
| 13 | Chappaqua School District Joint Benefit Fund | Unclassified | $1.3M | $1.4M |
| 14 | Wei & Wang Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $1.2M | $1.1M |
| 15 | Gregory and Vera Kiernan Foundation | Philanthropy, Voluntarism & Grantmaking | $994K | $720K |
| 16 | Pohly Family Foundation | Philanthropy, Voluntarism & Grantmaking | $964K | $2.4M |
| 17 | Camp Fire Conservation Fund INC | Animal-Related | $889K | $2.8M |
| 18 | PTA New York Congress | Unclassified | $828K | $1.0M |
| 19 | Birchwood Swim & Tennis Club INC | Unclassified | $682K | $803K |
| 20 | Beezo Investments INC | Education | $573K | $1.6M |
| 21 | Horace Greeley Scholarship Fund INC | Education | $560K | $1.2M |
| 22 | Chappaqua Volunteer Ambulance Corps INC | Health Care | $490K | $1.7M |
| 23 | New Castle Baseball and Softball Association INC | Unclassified | $488K | $233K |
| 24 | A Cure in Our Lifetime INC | Diseases, Disorders & Medical Disciplines | $479K | $128K |
| 25 | Chappaqua Swim & Tennis Association INC | Unclassified | $390K | $413K |
| 26 | International Center for Advocates Against Discrimination INC | International, Foreign Affairs & National Security | $366K | $683K |
| 27 | Chappaqua School Foundation INC | Philanthropy, Voluntarism & Grantmaking | $366K | $1.0M |
| 28 | New Castle Historical Society | Unclassified | $354K | $2.1M |
| 29 | New Castle Police Benevolent Association INC | Unclassified | $348K | $620K |
| 30 | Saw Mill River Audubon Society INC | Environment | $338K | $1.7M |
| 31 | New Castle Community Television INC | Arts, Culture & Humanities | $310K | $724K |
| 32 | Chappaqua Childrens Workshop INC | Education | $304K | $676K |
| 33 | Gerbino Family Foundation | Philanthropy, Voluntarism & Grantmaking | $291K | $864K |
| 34 | Thomas M Brennan Memorial Foundation | Education | $253K | $1.5M |
| 35 | Fair Ridge Cemetery INC | Unclassified | $201K | $1.1M |
| 36 | Evans Team INC | Health Care | $195K | $56K |
| 37 | Kenyon Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $191K | $71K |
| 38 | Seven Bridges Field Club INC | Recreation & Sports | $186K | $5K |
| 39 | Greeley Youth Lacrosse Association INC | Recreation & Sports | $185K | $92K |
| 40 | US Help INC | Human Services | $181K | $474K |
| 41 | Horace Greeley Sports Boosters INC | Education | $157K | $132K |
| 42 | Westchester Youth Alliance INC | Civil Rights, Social Action & Advocacy | $121K | $145K |
| 43 | American Federation of Teachers | Unclassified | $111K | $162K |
| 44 | Chappaqua Summer Scholarship Program | Education | $105K | $264K |
| 45 | Barber Family Foundation Tr Ua 052197 | Philanthropy, Voluntarism & Grantmaking | $104K | $354K |
| 46 | Marc & Livia Straus Foundation INC | Arts, Culture & Humanities | $100K | $550K |
| 47 | Wmzc Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $90K | $155K |
| 48 | Friends of the Chappaqua Public Library | Unclassified | $81K | $231K |
| 49 | Chappaqua Childrens Book Festival INC | Unclassified | $79K | $20K |
| 50 | Friends of the Chappaqua Performing Arts Center INC | Arts, Culture & Humanities | $61K | $178K |
| 51 | Shapiro Family Foundation | Philanthropy, Voluntarism & Grantmaking | $57K | $1.2M |
| 52 | Everest Leadership Academy INC | Education | $52K | $112K |
| 53 | Wine Enthusiast Foundation INC | Philanthropy, Voluntarism & Grantmaking | $45K | $190K |
| 54 | Twin Oaks Swim & Tennis Club INC | Unclassified | $40K | $841K |
| 55 | Clinton Family Foundation | Philanthropy, Voluntarism & Grantmaking | $40K | $717K |
| 56 | George and Alice Kevorkian Foundation INC | Philanthropy, Voluntarism & Grantmaking | $29K | $569K |
| 57 | Temkin Family Foundation | Philanthropy, Voluntarism & Grantmaking | $28K | $588K |
| 58 | Sm Charities INC | Youth Development | $25K | $25K |
| 59 | Sidney a & Libby Fine Foundation INC | Unclassified | $15K | $4K |
| 60 | Senju Art Foundation Tr | Arts, Culture & Humanities | $15K | $19K |
| 61 | Arno and Mindy Fried Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $14K | $20K |
| 62 | Cancer Research Foundation INC | Medical Research | $14K | $139K |
| 63 | Chippie Foundation INC | Philanthropy, Voluntarism & Grantmaking | $11K | $235K |
| 64 | Michael & Bettina Prober Family Foundation | Philanthropy, Voluntarism & Grantmaking | $10K | $167K |
| 65 | Golub Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $10K | $15K |
| 66 | Friends of Buttonhook Forest INC | Environment | $4K | $3K |
| 67 | Black Enterprise B R I D G E Foundation for the Advancement of | Philanthropy, Voluntarism & Grantmaking | $2K | $40 |
| 68 | Maharishi Dayanand Vedic Mission INC | Arts, Culture & Humanities | $1K | $15K |
| 69 | Laub Family Foundation INC | Unclassified | $1 | $1 |
| 70 | Ronald & Frayda Feldman Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $1 | $10K |
| 71 | Westchester County Chapter New York State Assessors Association | Community Improvement & Capacity Building | $0 | $0 |
| 72 | Chappaqua Central School District Public Library | Unclassified | $0 | $0 |
| 73 | Temple Bethel of Northern Westchester | Unclassified | $0 | $0 |
| 74 | First Congregational Church | Unclassified | $0 | $0 |
| 75 | League of Women Voters of New Castle Citizen Education Fund | Unclassified | $0 | $0 |
| 76 | Senior Activity Group of New Castle | Unclassified | $0 | $0 |
| 77 | The Church of Saint Mary the Virgin | Unclassified | $0 | $0 |
| 78 | Neil B Kavey Md Pc | Community Improvement & Capacity Building | $0 | $0 |
| 79 | Sikh Gurdwara of Westchester New York INC | Religion-Related | $0 | $0 |
| 80 | New Castle Ice Hockey Association INC | Recreation & Sports | $0 | $0 |
| 81 | Book-aid | Education | $0 | $0 |
| 82 | Federated Garden Clubs of New York State INC | Environment | $0 | $0 |
| 83 | Briarcliff Friends of the Performing Arts INC | Arts, Culture & Humanities | $0 | $0 |
| 84 | Jj Esoteric Foundation INC | Housing & Shelter | $0 | $0 |
| 85 | Flood Sisters Kidney Foundation | Health Care | $0 | $0 |
| 86 | Civil Service Employees Association | Unclassified | $0 | $0 |
| 87 | Westchester Jazz Orchestra INC | Arts, Culture & Humanities | $0 | $0 |
| 88 | Joseph Chikota Arts & Science Fund INC | Arts, Culture & Humanities | $0 | $0 |
| 89 | Chappaqua Independant Fire Company | Public Safety, Disaster Preparedness & Relief | $0 | $0 |
| 90 | Northern Bravehearts Hockey Club INC | Recreation & Sports | $0 | $0 |
| 91 | Hghs Band Boosters | Education | $0 | $0 |
| 92 | Horace Greeley Football Association | Education | $0 | $0 |
| 93 | Chappaqua Fire Patrol | Public Safety, Disaster Preparedness & Relief | $0 | $0 |
| 94 | American Federation of Teachers | Unclassified | $0 | $0 |
| 95 | Rotary International | Unclassified | $0 | $0 |
| 96 | Bahais of New Castle Town | Unclassified | $0 | $0 |
| 97 | J I D Bristol Engine Co | Public Safety, Disaster Preparedness & Relief | $0 | $0 |
| 98 | Books 4 Boroughs Corporation | Education | $0 | $0 |
| 99 | Draw for Paws | Animal-Related | $0 | $0 |
| 100 | Dawns Ray of Hope INC | Human Services | $0 | $0 |