| 1 | Millbrook School | Education | $50.4M | $172.0M |
| 2 | Cardinal Hayes Home for Children | Human Services | $33.0M | $27.0M |
| 3 | Cary Institute of Ecosystem Studies INC | Environment | $17.8M | $148.3M |
| 4 | Dutchess Land Conservancy INC | Environment | $12.9M | $31.5M |
| 5 | Panichi Family Charitable Foundation | Philanthropy, Voluntarism & Grantmaking | $10.0M | $10.0M |
| 6 | Dutchess Day School | Education | $7.1M | $16.9M |
| 7 | Dyson Foundation | Unclassified | $6.8M | $246.9M |
| 8 | New York Farmers INC | Unclassified | $5.0M | $8.0M |
| 9 | Cardinal Hayes School for Special Children | Education | $4.7M | $1.6M |
| 10 | Innisfree Foundation INC | Unclassified | $4.1M | $3.9M |
| 11 | Millbrook Golf and Tennis Club INC | Unclassified | $4.0M | $5.0M |
| 12 | Millbrook Community Partnership INC | Human Services | $3.7M | $25.5M |
| 13 | Plymouth Hill Foundation | Unclassified | $2.9M | $2.5M |
| 14 | Hathaway Family Foundation | Philanthropy, Voluntarism & Grantmaking | $2.4M | $8.0M |
| 15 | Millbrook Library | Education | $2.3M | $13.6M |
| 16 | Mashomack Polo INC | Recreation & Sports | $963K | $307K |
| 17 | Millbrook Hunt INC | Unclassified | $899K | $1.0M |
| 18 | Angels of Light INC | Human Services | $837K | $840K |
| 19 | Millbrook Tribute Garden INC | Unclassified | $638K | $29.2M |
| 20 | Assael Foundation | Unclassified | $619K | $2.0M |
| 21 | Millbrook Horse Trials INC | Recreation & Sports | $595K | $114K |
| 22 | Stonewood Community Project INC | Human Services | $359K | $83K |
| 23 | Millbrook Early Childhood Education Center | Human Services | $335K | $207K |
| 24 | Millbrook Engine & Hook & Ladde Company 1 | Public Safety, Disaster Preparedness & Relief | $248K | $1.3M |
| 25 | Artists for Soup INC | Food, Agriculture & Nutrition | $247K | $171K |
| 26 | Millbrook Gun Club INC | Unclassified | $214K | $1.8M |
| 27 | Church Alliance of Millbrook Housing Development INC | Housing & Shelter | $210K | $904K |
| 28 | Millbrook Teachers Association Benefit Trust Fund | Mutual & Membership Benefit | $192K | $300K |
| 29 | George T Whalen Jr Foundation INC | Philanthropy, Voluntarism & Grantmaking | $157K | $900K |
| 30 | Millbrook Youth Hockey Association INC | Recreation & Sports | $115K | $68K |
| 31 | Deer Camp Foundation | Philanthropy, Voluntarism & Grantmaking | $89K | $938K |
| 32 | Nine Partners Burial Ground Association | Unclassified | $79K | $630K |
| 33 | Rotary International | Unclassified | $77K | $66K |
| 34 | Irene K Wilcox Estate Fbo Town of Milan Tr | Unclassified | $76K | $572K |
| 35 | Elisabeth Cord Foundation | Environment | $56K | $67K |
| 36 | Millbrook Central School District Educational Foundation INC | Education | $38K | $237K |
| 37 | World Taste and Smell Day Association INC | Education | $26K | $9K |
| 38 | Millbrook Sports Boosters INC | Education | $19K | $30K |
| 39 | Eve Propp Family Foundation INC | Philanthropy, Voluntarism & Grantmaking | $11K | $239K |
| 40 | Sandanona Harehounds INC | Animal-Related | $0 | $0 |
| 41 | Equine Escape Rescue Ltd | Animal-Related | $0 | $0 |
| 42 | Freedom Plains Cemetery Assoc INC | Mutual & Membership Benefit | $0 | $0 |
| 43 | The Lyall Memorial Federated Church of Millbrook | Religion-Related | $0 | $0 |
| 44 | American Federation of Teachers | Unclassified | $0 | $0 |
| 45 | Washington Hollow Cemetery Association INC | Mutual & Membership Benefit | $0 | $0 |
| 46 | Millbrook Arts Group INC | Arts, Culture & Humanities | $0 | $0 |
| 47 | Hearts and Hands Together INC | Arts, Culture & Humanities | $0 | $0 |
| 48 | Dutches County Dairy Committee INC | Youth Development | $0 | $0 |
| 49 | Cooperative Extension Assoc in the State of New York | Unclassified | $0 | $0 |
| 50 | School Library Specialists of Southeastern New York | Unclassified | $0 | $0 |
| 51 | Millbrook Rotary Foundation | Human Services | $0 | $0 |
| 52 | Knights of Columbus | Unclassified | $0 | $0 |
| 53 | Millbrook Historical Society | Unclassified | $0 | $0 |
| 54 | Perenne Theater Company INC | Arts, Culture & Humanities | $0 | $0 |
| 55 | Realityofbeing Org Ltd | Education | $0 | $0 |
| 56 | Millbrook Music Salon INC | Arts, Culture & Humanities | $0 | $0 |
| 57 | Soccer Unites Limited | Youth Development | $0 | $0 |
| 58 | Julies Cause INC | Diseases, Disorders & Medical Disciplines | $0 | $0 |
| 59 | National Organization of Adult Addiction and Recovery INC | Human Services | $0 | $0 |
| 60 | Millbrook Senior Citizens | Human Services | $0 | $0 |
| 61 | Millbrook Literary Festival | Arts, Culture & Humanities | $0 | $0 |
| 62 | Roman Catholic Church of Saint Joseph and Immaculate Conception | Unclassified | $0 | $0 |
| 63 | Iosh USA Chapter - Northeast Priory INC | Recreation & Sports | $0 | $0 |
| 64 | Behappy Ghana INC | Youth Development | $0 | $0 |