Data / Nonprofits / Connecticut / Mansfield Center
Nonprofits in Mansfield Center, CT: 23 registered with the IRS
23 nonprofits are registered with the IRS in Mansfield Center, CT, 18 of them 501(c)(3) charities; the 8 that report revenue took in $61.2 million. The largest by revenue: Natchaug Hospital Inc ($55.6 million), Center for Medicare Advocacy Inc ($4 million), Joshuas Tract Conservation & Historic Trust ($644,297). Most common causes: animal-related (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Natchaug Hospital Inc | Health care | 501(c)(3) | 1978 | $55.6 million | $18.4 million | 2025-09 |
| Center for Medicare Advocacy Inc | 501(c)(3) | 1986 | $4 million | $4.8 million | 2025-06 | |
| Joshuas Tract Conservation & Historic Trust | Environment | 501(c)(3) | 1967 | $644,297 | $20 million | 2025-06 |
| Mount Hope Montessori School Inc | Human services | 501(c)(3) | 2016 | $324,952 | $282,313 | 2026-06 |
| Friends of Mansfield Animal Shelter | Animal-related | 501(c)(3) | 2001 | $315,838 | $1.1 million | 2025-12 |
| American Federation of Teachers | 501(c)(5) | 1967 | $228,421 | $294,748 | 2025-08 | |
| C A T S Northeast Inc | Animal-related | 501(c)(3) | 2000 | $152,504 | $464,441 | 2025-12 |
| Brooklyn South Cemetery Assoc Inc | 501(c)(13) | 1988 | $20,864 | $396,178 | 2025-06 | |
| 1St Church of Christ in Mansfield | 501(c)(3) | 1964 | 2015-12 | |||
| CT District 11 Little League | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2025-06 | |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2026-06 | |
| Consonare Choral Community Incorporated | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Evening Dove Ministry | Religion-related | 501(c)(3) | 2009 | |||
| Hand By Hand Education Foundation | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Hope Farm Animal Sanctuary Inc | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| McFadens Mission Inc | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| New England Region of the Classic Car Club of America | Recreation and sports | 501(c)(7) | 2012 | $0 | $0 | 2024-12 |
| Parent Teacher Organization of Mansfield Elementary School | Education | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Rebel Heifer Inc | Civil rights, social action and advocacy | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Storrs Church of Christ | 501(c)(3) | 1981 | ||||
| University of Connecticut League | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Willows Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
By cause in Mansfield Center, CT
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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.