| 1 | IBM International Foundation | International, Foreign Affairs & National Security | $140.2M | $357.7M |
| 2 | Kohlberg Foundation INC | Unclassified | $88.9M | $209.6M |
| 3 | Gerstner Family Foundation | Philanthropy, Voluntarism & Grantmaking | $65.7M | $157.9M |
| 4 | Chang K Park Foundation | Philanthropy, Voluntarism & Grantmaking | $26.3M | $30.9M |
| 5 | Opengate INC | Human Services | $26.2M | $24.3M |
| 6 | International Brotherhood of Electrical Workers Welfare Fund 17 | Unclassified | $4.9M | $2.9M |
| 7 | Grossman Family Philanthropic Foundation | Philanthropy, Voluntarism & Grantmaking | $4.5M | $12.1M |
| 8 | Montessori Childrens Room | Education | $4.3M | $4.3M |
| 9 | Insead Management Education Foundation | International, Foreign Affairs & National Security | $3.5M | $607K |
| 10 | L & L Foundation | Unclassified | $2.9M | $7.2M |
| 11 | St. Nersess Armenian Seminary INC | Unclassified | $2.8M | $21.5M |
| 12 | Carol and George Henry Family Foundation | Unclassified | $2.7M | $6.9M |
| 13 | Ken Jagroo Foundation INC | Philanthropy, Voluntarism & Grantmaking | $2.6M | $4.9M |
| 14 | 914 Cares INC | Philanthropy, Voluntarism & Grantmaking | $2.3M | $925K |
| 15 | Rudolph & Hilda U Forchheimer Foundation INC | Unclassified | $2.1M | $4.9M |
| 16 | Tatiana Piankova Foundation | Unclassified | $2.1M | $7.8M |
| 17 | Builders Institute of Westchester & Putnam Counties INC | Unclassified | $2.0M | $6.0M |
| 18 | Kisco Foundation INC | Community Improvement & Capacity Building | $1.6M | $18.4M |
| 19 | Windmill Club INC Windmill Farm | Unclassified | $1.6M | $736K |
| 20 | Vineyard Gazette Journalism Foundation INC | Unclassified | $1.2M | $2.3M |
| 21 | International Brotherhood of Electrical Workers | Unclassified | $1.2M | $595K |
| 22 | Armonk Childrens Corner INC | Unclassified | $883K | $769K |
| 23 | Andree Wildenstein Dormeuil and Roger Dormeuil Foundation | Unclassified | $858K | $10.1M |
| 24 | Klem Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $709K | $1.4M |
| 25 | Byram Hills Teachers Association Benefit Fund | Unclassified | $701K | $916K |
| 26 | The Salon Family Foundation INC | Science & Technology | $631K | $1.3M |
| 27 | Houston Family Foundation | Philanthropy, Voluntarism & Grantmaking | $603K | $2.9M |
| 28 | Byram Hills Education Foundation INC | Education | $551K | $922K |
| 29 | Armonk Independent Fire Company INC | Public Safety, Disaster Preparedness & Relief | $384K | $191K |
| 30 | Friends of the North Castle Public Library INC | Philanthropy, Voluntarism & Grantmaking | $365K | $552K |
| 31 | Technology Business Management Council Ltd | Community Improvement & Capacity Building | $358K | $1.3M |
| 32 | Cabbage Hill Farm Foundation INC | Unclassified | $350K | $4.3M |
| 33 | John & Annamaria Phillips Foundation | Education | $322K | $2.3M |
| 34 | Whippoorwill Club INC | Unclassified | $257K | $38.1M |
| 35 | Byram Hills Youth Lacrosse INC | Recreation & Sports | $240K | $84K |
| 36 | American Federation of Teachers | Unclassified | $223K | $68K |
| 37 | Rozov Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $218K | $314K |
| 38 | The Atlantieist Support Foundation | Education | $218K | $6K |
| 39 | Reconnecting Ministries INC | Religion-Related | $209K | $59K |
| 40 | Marcelle Picard White Foundation | Unclassified | $200K | $922K |
| 41 | Little League Baseball INC | Recreation & Sports | $198K | $269K |
| 42 | International Association of Lions Clubs | Community Improvement & Capacity Building | $193K | $79K |
| 43 | North Castle Historical Society | Arts, Culture & Humanities | $186K | $1.6M |
| 44 | PTA New York Congress | Unclassified | $180K | $313K |
| 45 | Hayworth Family Foundation | Philanthropy, Voluntarism & Grantmaking | $167K | $960K |
| 46 | The Police Benevolent Association of the Town of North Castle INC | Employment | $146K | $277K |
| 47 | Armonk Chamber of Commerce INC | Community Improvement & Capacity Building | $132K | $56K |
| 48 | Promotional Fund of the Terrazzo & Mosaic Contractors Association of | Unclassified | $124K | $803K |
| 49 | Elzbieta & David Grove Private Foundation INC | Philanthropy, Voluntarism & Grantmaking | $122K | $7.1M |
| 50 | Hammy Rel13f Fund INC | Diseases, Disorders & Medical Disciplines | $101K | $1K |
| 51 | Stayin Alive | Public Safety, Disaster Preparedness & Relief | $99K | $8K |
| 52 | Morgan and Judith McGrath Private Family Foundation | Philanthropy, Voluntarism & Grantmaking | $86K | $190K |
| 53 | Friends of Ucbm INC | Philanthropy, Voluntarism & Grantmaking | $85K | $85K |
| 54 | Museum of Ceramic Art-new York | Arts, Culture & Humanities | $80K | $57K |
| 55 | Joint Industry Advancement Fund | Unclassified | $76K | $4K |
| 56 | Society for Preservation & Encourmt of Barbershop Quartet Singing Amer | Arts, Culture & Humanities | $63K | $62K |
| 57 | Joseph B Corpina Jr Memorial Foundation INC | Unclassified | $34K | $264K |
| 58 | American Legion Auxiliary | Unclassified | $31K | $137K |
| 59 | Tzahal Shalom of N Westchester Incorporated | International, Foreign Affairs & National Security | $20K | $401K |
| 60 | Byram Hills Bobcat Boosters INC | Education | $17K | $70K |
| 61 | Robert J Seifer Cancer Research Foundation | Philanthropy, Voluntarism & Grantmaking | $4K | $88K |
| 62 | Marble Terrazzo Mosaic & Specialties Contractors Associatio | Unclassified | $3K | $109K |
| 63 | Yudelson Foundation | Philanthropy, Voluntarism & Grantmaking | $1 | $1 |
| 64 | Romeo Milio Lynch Syndrome Foundation | Health Care | $1 | $25K |
| 65 | The Andrew E Shapiro Cancer Foundation INC | Diseases, Disorders & Medical Disciplines | $0 | $0 |
| 66 | Armonk Alliance Church of the Christian Missionary Alliance | Unclassified | $0 | $0 |
| 67 | Friends of la Scala INC | Unclassified | $0 | $0 |
| 68 | Congregation B Nai Yisrael of Armonk | Unclassified | $0 | $0 |
| 69 | Csea 860 822600 Westchester County Town of North Castle | Unclassified | $0 | $0 |
| 70 | Byram Hills Preschool Association INC | Unclassified | $0 | $0 |
| 71 | Whippoorwill Club Foundation INC | Education | $0 | $89K |
| 72 | Armonk Community Foundation | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 73 | New York Society of Pediatric Critical Care Medicine INC | Community Improvement & Capacity Building | $0 | $0 |
| 74 | Hudson Valley Fellowship | Religion-Related | $0 | $0 |
| 75 | Congregation Shireinu | Religion-Related | $0 | $0 |
| 76 | National Coli Directors | Community Improvement & Capacity Building | $0 | $4K |
| 77 | Fund for Education and Emotional Development INC | Education | $0 | $4K |
| 78 | Heavenly Productions Foundation | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |
| 79 | Career Chats | Employment | $0 | $0 |
| 80 | Friends of Frosty INC | Food, Agriculture & Nutrition | $0 | $0 |
| 81 | Chabad of Armonk Chappaqua and Pleasantville INC | Religion-Related | $0 | $0 |
| 82 | Project W INC | Philanthropy, Voluntarism & Grantmaking | $0 | $5K |
| 83 | Protect Residential Rye Association | Environment | $0 | $0 |
| 84 | American-israeli Initiatives INC | International, Foreign Affairs & National Security | $0 | $0 |
| 85 | Global Ummah Foundation | Human Services | $0 | $0 |
| 86 | Thomas J Berlinghoff Memorial Fund | Public & Societal Benefit | $0 | $0 |
| 87 | Building & Allied Construction Industries of Westchester INC | Community Improvement & Capacity Building | $0 | $0 |
| 88 | Empoweringscience INC | Science & Technology | $0 | $0 |
| 89 | Friends of Miller House-washingtons Headquarters | Arts, Culture & Humanities | $0 | $0 |
| 90 | Petsncharge Foundation INC | Animal-Related | $0 | $0 |
| 91 | Westchester Area Mathematics Circle INC | Education | $0 | $0 |
| 92 | Smiles Team INC | Health Care | $0 | $0 |
| 93 | Caring- Human Right Center | International, Foreign Affairs & National Security | $0 | $0 |
| 94 | Insight & Foresight INC | Medical Research | $0 | $1 |
| 95 | Parks Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $0 | $0 |