Data / Nonprofits / New York / Millbrook
Nonprofits in Millbrook, NY: 66 registered with the IRS
66 nonprofits are registered with the IRS in Millbrook, NY, 50 of them 501(c)(3) charities; the 31 that report revenue took in $140.9 million. The largest by revenue: Millbrook School ($45.4 million), Cardinal Hayes Home for Children ($33 million), Cary Institute of Ecosystem Studies Inc ($31 million). Most common causes: education (9), human services (8), philanthropy, voluntarism and grantmaking foundations (6).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Millbrook School | Education | 501(c)(3) | 1933 | $45.4 million | $184.1 million | 2025-06 |
| Cardinal Hayes Home for Children | Human services | 501(c)(3) | 1946 | $33 million | $28.8 million | 2025-12 |
| Cary Institute of Ecosystem Studies Inc | Environment | 501(c)(3) | 1993 | $31 million | $155.9 million | 2025-06 |
| Dutchess Day School | Education | 501(c)(3) | 1957 | $7 million | $17.1 million | 2025-06 |
| Dutchess Land Conservancy Inc | Environment | 501(c)(3) | 1986 | $5.2 million | $35.3 million | 2025-12 |
| Cardinal Hayes School for Special Children | Education | 501(c)(3) | 1946 | $4.7 million | $1.6 million | 2025-06 |
| Millbrook Golf and Tennis Club Inc | 501(c)(7) | 1943 | $3.8 million | $5 million | 2024-12 | |
| Millbrook Community Partnership Inc | Human services | 501(c)(3) | 2018 | $3.7 million | $25.5 million | 2024-12 |
| Millbrook Library | Education | 501(c)(3) | 1941 | $1 million | $15 million | 2025-12 |
| Mashomack Polo Inc | Recreation and sports | 501(c)(7) | 2019 | $962,690 | $306,554 | 2024-12 |
| Millbrook Hunt Inc | 501(c)(7) | 1943 | $778,228 | $1 million | 2024-12 | |
| Millbrook Horse Trials Inc | Recreation and sports | 501(c)(3) | 2013 | $595,207 | $113,738 | 2024-12 |
| Stonewood Community Project Inc | Human services | 501(c)(3) | 2021 | $506,927 | $236,221 | 2025-12 |
| Angels of Light Inc | Human services | 501(c)(3) | 2016 | $447,926 | $839,597 | 2024-12 |
| Millbrook Library Trust | Education | 501(c)(91) | 1982 | $432,945 | $12.2 million | 2025-12 |
| New York Farmers Inc | 501(c)(5) | 1938 | $375,244 | $8 million | 2025-11 | |
| Millbrook Early Childhood Education Center | Human services | 501(c)(3) | 2009 | $334,797 | $206,854 | 2025-06 |
| Artists for Soup Inc | Food, agriculture and nutrition | 501(c)(3) | 2016 | $247,128 | $170,540 | 2025-03 |
| Church Alliance of Millbrook Housing Development Inc | Housing and shelter | 501(c)(3) | 1992 | $243,123 | $893,242 | 2025-06 |
| Millbrook Gun Club Inc | 501(c)(7) | 2023 | $214,112 | $1.8 million | 2024-12 | |
| Millbrook Engine & Hook & Ladde Company 1 | Public safety, disaster preparedness and relief | 501(c)(3) | 2008 | $185,671 | $1.3 million | 2024-12 |
| Millbrook Teachers Association Benefit Trust Fund | Mutual and membership benefit | 501(c)(9) | 2000 | $176,138 | $296,886 | 2025-06 |
| Millbrook Music Salon Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $157,606 | $41,857 | 2025-12 |
| Millbrook Youth Hockey Association Inc | Recreation and sports | 501(c)(3) | 2002 | $102,695 | $65,125 | 2026-05 |
| Nine Partners Burial Ground Association | 501(c)(13) | 1957 | $79,431 | $630,114 | 2024-12 | |
| Iosh USA Chapter - Northeast Priory Inc | Recreation and sports | 501(c)(7) | 2021 | $63,740 | $13,747 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $45,936 | $65,660 | 2024-12 | |
| Millbrook Central School District Educational Foundation Inc | Education | 501(c)(3) | 2002 | $37,878 | $262,515 | 2025-12 |
| World Taste and Smell Day Association Inc | Education | 501(c)(3) | 2023 | $35,171 | $7,835 | 2025-12 |
| Dutches County Dairy Committee Inc | Youth development | 501(c)(3) | 2011 | $30,565 | $116,276 | 2025-12 |
| Millbrook Sports Boosters Inc | Education | 501(c)(3) | 2006 | $19,012 | $30,057 | 2025-06 |
| American Federation of Teachers | 501(c)(5) | 1967 | $0 | $0 | 2025-06 | |
| Assael Foundation | 501(c)(3) | 1992 | $2.1 million | 2025-12 | ||
| Behappy Ghana Inc | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Cooperative Extension Assoc in the State of New York | 501(c)(3) | 1966 | 2024-12 | |||
| Deer Camp Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $1.1 million | 2025-12 | |
| Dyson Foundation | 501(c)(3) | 1958 | $246.9 million | 2024-12 | ||
| Elisabeth Cord Foundation | Environment | 501(c)(3) | 2023 | $66,721 | 2024-12 | |
| Equine Escape Rescue LTD | Animal-related | 501(c)(3) | 2006 | $0 | $0 | 2025-09 |
| Eve Propp Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $239,035 | 2024-12 | |
| Freedom Plains Cemetery Assoc Inc | Mutual and membership benefit | 501(c)(13) | 2015 | $0 | $0 | 2025-12 |
| George T Whalen Jr Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $924,970 | 2025-12 | |
| Hathaway Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $8.2 million | 2025-12 | |
| Hearts and Hands Together Inc | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Innisfree Foundation Inc | 501(c)(3) | 1987 | $3.9 million | 2024-12 | ||
| Irene K Wilcox Estate Fbo Town of Milan Trust | 501(c)(3) | 1980 | $602,046 | 2026-05 | ||
| JN Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $1 | 2025-12 | |
| Julies Cause Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Lyall Community Church | Religion-related | 501(c)(3) | 2025 | |||
| Lyall Memorial Federated Church Trust | 501(c)(92) | $87,787 | 2025-12 | |||
| Millbrook Arts Group Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-08 |
| Millbrook Historical Society | 501(c)(3) | 2002 | $0 | $0 | 2025-12 | |
| Millbrook Literary Festival | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Millbrook Rotary Foundation | Human services | 501(c)(3) | 2005 | $0 | $0 | 2025-10 |
| Millbrook Senior Citizens | Human services | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Millbrook Tribute Garden Inc | 501(c)(3) | 1944 | $31.9 million | 2025-09 | ||
| National Organization of Adult Addiction and Recovery Inc | Human services | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Panichi Family Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $10.3 million | 2025-12 | |
| Perenne Theater Company Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-01 |
| Plymouth Hill Foundation | 501(c)(3) | 1992 | $2.5 million | 2025-09 | ||
| Realityofbeing Org LTD | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Roman Catholic Church of Saint Joseph and Immaculate Conception | 501(c)(3) | 1946 | ||||
| Sandanona Harehounds Inc | Animal-related | 501(c)(7) | 2003 | $0 | $0 | 2024-08 |
| School Library Media Specialists of Southeastern New York | 501(c)(3) | 1968 | $0 | $0 | 2025-06 | |
| Washington Hollow Cemetery Association Inc | Mutual and membership benefit | 501(c)(13) | 2016 | $0 | $0 | 2024-12 |
By cause in Millbrook, NY
- Education 9
- Human services 8
- Philanthropy, voluntarism and grantmaking foundations 6
- Arts, culture and humanities 5
- Recreation and sports 4
- Mutual and membership benefit 3
- Environment 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.