Data / Nonprofits / Connecticut / Brooklyn
Nonprofits in Brooklyn, CT: 32 registered with the IRS
32 nonprofits are registered with the IRS in Brooklyn, CT, 25 of them 501(c)(3) charities; the 11 that report revenue took in $7.2 million. The largest by revenue: Learning Clinic Inc ($3.4 million), Mortlake Fire Company of Brooklyn Connecticut Inc ($996,020), Quebec Square Housing Inc ($880,242). Most common causes: education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Learning Clinic Inc | 501(c)(3) | 1985 | $3.4 million | $26.3 million | 2025-07 | |
| Mortlake Fire Company of Brooklyn Connecticut Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2025 | $996,020 | $1.4 million | 2025-06 |
| Quebec Square Housing Inc | Housing and shelter | 501(c)(3) | 1981 | $880,242 | $2 million | 2026-03 |
| Windham County Agricultural Society | Food, agriculture and nutrition | 501(c)(5) | 2022 | $756,427 | $1.5 million | 2025-10 |
| Riley Farm Rescue Inc | Animal-related | 501(c)(3) | 2017 | $421,191 | $689,638 | 2024-12 |
| Veterans Ride for Free | Public and societal benefit | 501(c)(3) | 2022 | $376,888 | $104,203 | 2024-12 |
| Brooklyn Town Library Association | 501(c)(3) | 1974 | $171,610 | $307,859 | 2025-06 | |
| Quinebaug Valley Senior Citizens Center Inc | 501(c)(3) | 1974 | $139,763 | $206,775 | 2025-06 | |
| Robert M Surprenant Memorial Fund | Public and societal benefit | 501(c)(3) | 2025 | $39,430 | $30,585 | 2025-12 |
| Eastern Connecticut Forest Landowners Association / Wolf Den | 501(c)(3) | 1983 | $31,967 | $2 million | 2025-04 | |
| Brooklyn Pto | Education | 501(c)(3) | 1992 | $29,824 | $13,985 | 2025-08 |
| Amvets | 501(c)(19) | 1954 | $0 | $0 | 2025-12 | |
| Beagary Charitable Trust | Employment | 501(c)(3) | 1996 | $19.9 million | 2025-12 | |
| Berettafest | Education | 501(c)(3) | 2018 | $2,460 | 2025-12 | |
| Bethel Bible Chapel Inc | 501(c)(3) | 1984 | ||||
| Brooklyn Business Association Inc | Community improvement and capacity building | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Brooklyn Cares Community Center Inc | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Brooklyn Historical Society | Arts, culture and humanities | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Christys Angels Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Community Christian Fellowship | Religion-related | 501(c)(3) | 2002 | |||
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2026-06 | |
| Connecticut Federation of School Administrators | Employment | 501(c)(5) | 2005 | $0 | $0 | 2025-06 |
| East Brooklyn Fire Dept Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Foundation Good Samaritan in Action Inc | International, foreign affairs and national security | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Friends of the Brooklyn Library Association | 501(c)(3) | 1994 | $0 | $0 | 2023-06 | |
| Helen M Palmer Trust | 501(c)(92) | $403,833 | 2025-07 | |||
| Hopefest Music Festival | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Killingly High School Athletic Association Hall of Fame Inc | Education | 501(c)(3) | 2023 | $0 | $1 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Little League Baseball Inc | 501(c)(3) | 1981 | $0 | $0 | 2025-09 | |
| New England Old English Sheepdog Club Inc | 501(c)(3) | 1979 | $0 | $0 | 2025-03 | |
| New England Rail Excursions LLC | 501(c)(7) | 2014 | $0 | $0 | 2025-12 |
By cause in Brooklyn, CT
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.