| 1 | United States Tennis Association INC | Unclassified | $517.3M | $909.2M |
| 2 | Essel Foundation INC | Unclassified | $343.8M | $270.4M |
| 3 | Sue & Edgar Wachenheim Foundation | Unclassified | $299.5M | $484.6M |
| 4 | Usta National Tennis Center INC | Recreation & Sports | $141.8M | $656.3M |
| 5 | Pepsico Foundation INC | Unclassified | $109.6M | $113.0M |
| 6 | Manhattanville College | Education | $89.3M | $78.4M |
| 7 | Pepsico Employees Long Term Disability Benefit Trust | Unclassified | $86.7M | $6.1M |
| 8 | Susan S & Kenneth Wallach Foundation | Philanthropy, Voluntarism & Grantmaking | $52.3M | $87.1M |
| 9 | Kate W Cassidy Foundation | Unclassified | $48.0M | $85.1M |
| 10 | Mary and James G Wallach Foundation | Unclassified | $45.4M | $72.0M |
| 11 | Purchase College Foundation | Education | $40.2M | $107.4M |
| 12 | Family Services of Westchester INC | Unclassified | $36.7M | $21.7M |
| 13 | Mastercard Impact Fund | Education | $31.3M | $143.2M |
| 14 | The Central National-gottesman Foundation | Philanthropy, Voluntarism & Grantmaking | $28.2M | $49.5M |
| 15 | Century Country Club | Unclassified | $16.9M | $11.3M |
| 16 | Old Oaks Country Club INC | Unclassified | $16.7M | $3.2M |
| 17 | Brae Burn Country Club INC | Unclassified | $16.0M | $51.2M |
| 18 | Beth and Ira Leventhal Foundation | Philanthropy, Voluntarism & Grantmaking | $15.4M | $12.5M |
| 19 | Lance R Wachenheim Foundation | Philanthropy, Voluntarism & Grantmaking | $14.7M | $23.0M |
| 20 | The Kim and David Wagman Foundation | Philanthropy, Voluntarism & Grantmaking | $14.5M | $23.7M |
| 21 | Usta Player Development Incorporated | Recreation & Sports | $14.4M | $409K |
| 22 | Keio Academy of New York | Education | $14.3M | $57.5M |
| 23 | Purchase College Association INC Suny College at Purchase | Education | $13.9M | $6.9M |
| 24 | Purchase Senior Learning Community INC | Housing & Shelter | $13.3M | $503.5M |
| 25 | Blind Brook Club INC | Unclassified | $13.2M | $28.1M |
| 26 | Golf Club of Purchase INC | Recreation & Sports | $12.0M | $45.7M |
| 27 | Usta Foundation Incorporated | Recreation & Sports | $11.8M | $24.0M |
| 28 | Dina and Andrew Wallach Foundation | Philanthropy, Voluntarism & Grantmaking | $10.1M | $16.2M |
| 29 | Sompo Foundation | Philanthropy, Voluntarism & Grantmaking | $10.1M | $10.1M |
| 30 | Christy and John Mack Foundation | Unclassified | $8.1M | $2.4M |
| 31 | Amy and Michael McCaffery Foundation | Philanthropy, Voluntarism & Grantmaking | $7.2M | $11.3M |
| 32 | Chess Foundation | Philanthropy, Voluntarism & Grantmaking | $6.7M | $10.2M |
| 33 | Purchase College Foundation Housing Corporation | Housing & Shelter | $6.0M | $7.5M |
| 34 | Usta Eastern INC | Unclassified | $5.6M | $8.0M |
| 35 | Bronx Lacrosse INC | Recreation & Sports | $5.4M | $3.2M |
| 36 | Joseph & Sophia Abeles Foundation INC | Unclassified | $4.8M | $12.6M |
| 37 | New York Soccer Club of Westchester INC | Recreation & Sports | $4.7M | $1.1M |
| 38 | Chris a Wachenheim Foundation | Philanthropy, Voluntarism & Grantmaking | $4.6M | $8.1M |
| 39 | Dana Wallach Jones and Michael T M Jones Foundation | Philanthropy, Voluntarism & Grantmaking | $4.1M | $2.1M |
| 40 | Pediatric Cancer Foundation | Diseases, Disorders & Medical Disciplines | $3.9M | $6.0M |
| 41 | G&k Wallach Foundation | Philanthropy, Voluntarism & Grantmaking | $3.9M | $1.9M |
| 42 | Purchase Housing Corporation II | Education | $3.7M | $29.1M |
| 43 | Nelson Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $2.5M | $1.3M |
| 44 | Kass-warren Foundation Corp. | Arts, Culture & Humanities | $2.3M | $2.0M |
| 45 | Purchase Community INC | Unclassified | $2.1M | $2.0M |
| 46 | Hotsuki Fam Foundation T-a 11182024 Tr | Philanthropy, Voluntarism & Grantmaking | $2.0M | $973K |
| 47 | Cancer Support Team INC | Diseases, Disorders & Medical Disciplines | $2.0M | $3.2M |
| 48 | Alfred & Harriet Feinman Foundation | Unclassified | $1.9M | $5.1M |
| 49 | Soft Power Health Tr | Diseases, Disorders & Medical Disciplines | $1.9M | $1.5M |
| 50 | Sadove Family Foundation | Philanthropy, Voluntarism & Grantmaking | $1.7M | $5.6M |
| 51 | Purchase College Advancement Corporation | Education | $1.6M | $28.6M |
| 52 | Rehabilitation Through the Arts INC | Arts, Culture & Humanities | $1.6M | $2.0M |
| 53 | Jacques and Emy Cohenca Foundation INC | Unclassified | $1.3M | $1.2M |
| 54 | Friends of the Neuberger Museum INC | Arts, Culture & Humanities | $1.3M | $10.9M |
| 55 | 1898 Foundation INC | Education | $1.2M | $1.4M |
| 56 | Prince Family Foundation | Philanthropy, Voluntarism & Grantmaking | $1.1M | $3.4M |
| 57 | Dove Givings Foundation II | Philanthropy, Voluntarism & Grantmaking | $1.0M | $82K |
| 58 | Childrens Center at the State University of New York at Purchase | Unclassified | $1.0M | $1.7M |
| 59 | A Child Waits Foundation | Philanthropy, Voluntarism & Grantmaking | $970K | $624K |
| 60 | Student Senate Association of Purchase Inc-state U of Ny | Unclassified | $784K | $844K |
| 61 | Association of Administrative Law Judges Judicial Council No 1 Ifpte | Employment | $632K | $1.5M |
| 62 | Evan and Cindy Jones Foundation | Philanthropy, Voluntarism & Grantmaking | $515K | $211K |
| 63 | Old Oaks Foundation INC | Unclassified | $455K | $179K |
| 64 | The George Washington Institute for Religious Freedom | Education | $430K | $71K |
| 65 | Bernard and Muriel Laurenfoundation | Philanthropy, Voluntarism & Grantmaking | $425K | $4.0M |
| 66 | Westchester Flying Club INC | Unclassified | $409K | $1.1M |
| 67 | Louis & Martha Silver Foundation | Unclassified | $347K | $3.2M |
| 68 | Dove Givings Foundation | Human Services | $307K | $530K |
| 69 | Barbara Dorsch Foundation INC | Philanthropy, Voluntarism & Grantmaking | $295K | $391K |
| 70 | Purchase Free Library | Unclassified | $295K | $340K |
| 71 | Robert and Karen Sobel Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $263K | $302K |
| 72 | Arthur and Phyllis Milton Foundation INC | Philanthropy, Voluntarism & Grantmaking | $220K | $623K |
| 73 | Fein Foundation | Unclassified | $209K | $5.5M |
| 74 | Purchase Fire Dept INC | Public Safety, Disaster Preparedness & Relief | $190K | $1.2M |
| 75 | State Auxiliary Services Association INC | Education | $189K | $107K |
| 76 | Purchase Environmental Protective Association | Environment | $175K | $3K |
| 77 | Joseph Lemm Memorial Foundation Ltd | Philanthropy, Voluntarism & Grantmaking | $149K | $107K |
| 78 | Mucci Family Foundation | Philanthropy, Voluntarism & Grantmaking | $141K | $595K |
| 79 | Vilanova Financial Club INC | Education | $120K | $67K |
| 80 | Maxx Properties Foundation | Philanthropy, Voluntarism & Grantmaking | $107K | $13K |
| 81 | Wilks Family Foundation | Philanthropy, Voluntarism & Grantmaking | $103K | $254K |
| 82 | Wu and Yan Family Foundation | Philanthropy, Voluntarism & Grantmaking | $98K | $10.6M |
| 83 | Childrens Hope Chest INC | Philanthropy, Voluntarism & Grantmaking | $90K | $58K |
| 84 | Louis Paul and Christine Padula Foundation | Unclassified | $85K | $1.1M |
| 85 | Westchester Aircraft Maintenance Association | Unclassified | $80K | $51K |
| 86 | Blind Brook Foundation INC | Arts, Culture & Humanities | $80K | $216K |
| 87 | Ellen and Michael Goldberg Family Foundation | Philanthropy, Voluntarism & Grantmaking | $76K | $10K |
| 88 | Friends of Harrison Baseball INC | Recreation & Sports | $72K | $14K |
| 89 | Wong Family Foundation | Philanthropy, Voluntarism & Grantmaking | $71K | $1.4M |
| 90 | Westchester Aviation Assoc INC | Unclassified | $69K | $93K |
| 91 | The Krupman Family Foundation INC C/o William a Krupman | Philanthropy, Voluntarism & Grantmaking | $66K | $35K |
| 92 | Jimmy Lee Scholarship Fund | Education | $62K | $70K |
| 93 | New Rochelle Lacrosse INC | Recreation & Sports | $62K | $12K |
| 94 | Gelles Family Foundation INC | Unclassified | $53K | $196K |
| 95 | One World One Vision | International, Foreign Affairs & National Security | $51K | $45K |
| 96 | Sallie Foundation INC | Employment | $30K | $244K |
| 97 | Tokarz Foundation INC | Philanthropy, Voluntarism & Grantmaking | $5K | $233K |
| 98 | Jerrold R and Shirley Golding Foundation INC | Unclassified | $570 | $11K |
| 99 | Purchase College Alumni Association INC | Education | $1 | $19K |
| 100 | Select Savers Club INC | Education | $0 | $0 |