Data / Nonprofits / Connecticut / North Haven
Nonprofits in North Haven, CT: 215 registered with the IRS
215 nonprofits are registered with the IRS in North Haven, CT, 174 of them 501(c)(3) charities; the 88 that report revenue took in $259.2 million. The largest by revenue: Connex Credit Union Inc ($52 million), Goodwill Industries of Southern New England Inc ($43.4 million), Bhcare Inc ($32.6 million). Most common causes: education (27), recreation and sports (15), arts, culture and humanities (11).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Connex Credit Union Inc | 501(c)(14) | 1976 | $52 million | $1.05 billion | 2024-12 | |
| Goodwill Industries of Southern New England Inc | 501(c)(3) | 1957 | $43.4 million | $57.2 million | 2024-12 | |
| Bhcare Inc | Health care | 501(c)(3) | 1985 | $32.6 million | $10.6 million | 2025-06 |
| Benhaven Inc | 501(c)(3) | 1967 | $28.9 million | $22.8 million | 2025-06 | |
| Agency On Aging of South Central Connecticut Inc | 501(c)(3) | 1975 | $16.7 million | $19 million | 2025-09 | |
| Elderly Housing Management Inc | 501(c)(3) | 1980 | $13.1 million | $3.1 million | 2025-09 | |
| Hart United Inc | 501(c)(3) | 1980 | $11.4 million | $5.2 million | 2025-06 | |
| Girl Scouts of Connecticut Inc | 501(c)(3) | 1965 | $8.9 million | $24.3 million | 2025-09 | |
| Communicare Inc | Community improvement and capacity building | 501(c)(3) | 1997 | $5.8 million | $1.4 million | 2025-06 |
| Slate School Inc | Education | 501(c)(3) | 2017 | $4.4 million | $38.9 million | 2025-06 |
| Davenport Residence Inc | 501(c)(3) | 1967 | $4 million | $14.6 million | 2025-05 | |
| The Diaper Bank of Connecticut Inc | 501(c)(3) | 2005 | $3 million | $2.1 million | 2025-06 | |
| Mansfield Retirement Community Inc | Housing and shelter | 501(c)(3) | 1978 | $2.3 million | $5.6 million | 2025-06 |
| Birmingham Group Realty Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $2.1 million | $16 million | 2025-06 |
| Mystic River Homes Inc | 501(c)(3) | 1989 | $1.8 million | $5.1 million | 2025-06 | |
| Lawyers Without Borders Inc | Crime and legal-related | 501(c)(3) | 2000 | $1.8 million | $1.3 million | 2024-12 |
| New Haven County Credit Union Inc | 501(c)(14) | 2021 | $1.7 million | $28 million | 2024-12 | |
| Norwalk Congregate Homes for the Elderly Inc | Housing and shelter | 501(c)(3) | 1980 | $1.5 million | $2.9 million | 2025-09 |
| Miss Laura M Raymond Homes Inc | Housing and shelter | 501(c)(3) | 1984 | $1.4 million | $3 million | 2025-06 |
| Cause Effective Inc | Public and societal benefit | 501(c)(3) | 1981 | $1.2 million | $312,209 | 2024-06 |
| Anne E Fowler Foudation Inc | Education | 501(c)(3) | 2010 | $1.2 million | $5 million | 2024-12 |
| Animal Haven Inc | Animal-related | 501(c)(3) | 1964 | $1.1 million | $4.6 million | 2024-12 |
| Chestnut Hill Housing Inc | Housing and shelter | 501(c)(3) | 1996 | $1.1 million | $4.4 million | 2025-12 |
| North Haven Interfaith Housing Inc | 501(c)(3) | 1976 | $1 million | $1.2 million | 2025-06 | |
| Connecticut State Medical Society | 501(c)(6) | 1937 | $943,665 | $2.1 million | 2024-12 | |
| United Union of Roofers Waterproofers and Allied Workers | 501(c)(5) | 1944 | $876,879 | $1.5 million | 2025-12 | |
| Elizabeth Ives School for Special Children Inc | Education | 501(c)(3) | 1965 | $865,534 | $1.4 million | 2025-06 |
| International Association BRDG STRCT & Orn Irn WRK | 501(c)(5) | 1944 | $800,121 | $1.1 million | 2025-06 | |
| Hillside Elderly Housing Inc | Housing and shelter | 501(c)(3) | 1992 | $697,035 | $1.4 million | 2025-06 |
| Connecticut Center for Nursing Workforce Inc | Health care | 501(c)(3) | 2019 | $688,770 | $293,779 | 2025-06 |
| Oak View Housing Inc | Housing and shelter | 501(c)(3) | 2000 | $546,371 | $3.3 million | 2025-12 |
| New England Yankee Hockey Conference Inc | Recreation and sports | 501(c)(3) | 1998 | $539,716 | $266,208 | 2024-12 |
| Ridge Top Club Inc | 501(c)(7) | 1960 | $532,683 | $846,477 | 2025-09 | |
| Stamford Cross Road Residences Inc | 501(c)(3) | 1984 | $525,335 | $2 million | 2025-06 | |
| New Meadow Elderly Housing Inc | Housing and shelter | 501(c)(3) | 2010 | $525,009 | $5.3 million | 2025-09 |
| American Postal Workers Union | Employment | 501(c)(5) | 1973 | $521,220 | $472,723 | 2025-12 |
| High Lane Club Inc | 501(c)(7) | 1943 | $515,777 | $243,110 | 2025-09 | |
| Woods Edge Housing Inc | 501(c)(3) | 1982 | $472,891 | $1.9 million | 2025-12 | |
| Education Matters Africa Foundation | Education | 501(c)(3) | 2018 | $465,871 | $167,116 | 2024-12 |
| North Haven Fair Association Inc | 501(c)(5) | 1973 | $398,950 | $414,798 | 2024-11 | |
| Amalgamated Transit Union | 501(c)(5) | 1941 | $394,181 | $125,003 | 2024-12 | |
| International Alliance Theatrical Stage Employees & Moving Picture M | 501(c)(5) | 1941 | $392,120 | $560,789 | 2024-12 | |
| Dematteo Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $346,956 | $339,424 | 2025-12 |
| Sacred Heart of Jesus Daycare-Preschool-Kindergarten Inc | Education | 501(c)(3) | 2018 | $314,519 | $446,244 | 2025-06 |
| Hamden Youth Hockey Association Inc | Youth development | 501(c)(3) | 2025 | $309,310 | $37,319 | 2025-12 |
| New Samaritan Parkville Inc | Housing and shelter | 501(c)(3) | 2020 | $299,694 | $10.3 million | 2025-09 |
| Elenas Light Inc | Education | 501(c)(3) | 2019 | $261,065 | $148,138 | 2025-12 |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $256,632 | $502,828 | 2025-12 | |
| American Council of Engineering Companies of Connecticut Inc | 501(c)(6) | 1970 | $242,417 | $88,556 | 2025-06 | |
| Feeding Families Foundation Inc | Food, agriculture and nutrition | 501(c)(3) | 2023 | $226,292 | $109,916 | 2025-06 |
| North Haven Land Trust Inc | 501(c)(3) | 1973 | $213,485 | $462,424 | 2024-12 | |
| Hart Residences Inc | Housing and shelter | 501(c)(3) | 1980 | $203,734 | $568,344 | 2025-06 |
| South Conn District Roofers J A C | Mutual and membership benefit | 501(c)(9) | 2003 | $200,945 | $596,997 | 2024-12 |
| Hartford County Medical Association Inc | 501(c)(6) | 1964 | $195,995 | $1.8 million | 2024-12 | |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $194,625 | $795,109 | 2026-03 | |
| North Haven Soccer Club Inc | 501(c)(3) | 1985 | $180,647 | $292,033 | 2025-06 | |
| Little League Baseball Inc | 501(c)(3) | 1967 | $162,727 | $54,291 | 2025-09 | |
| Indian American Package Stores Association Inc | Arts, culture and humanities | 501(c)(6) | 2022 | $157,400 | $66,341 | 2024-12 |
| Road To Refuge Animal Sanctuary | Animal-related | 501(c)(3) | 2020 | $154,617 | $775 | 2025-12 |
| Connecticut Environment Council Inc | 501(c)(6) | 1989 | $150,473 | $40,119 | 2024-12 | |
| Hope After Loss Inc | Mental health and crisis intervention | 501(c)(3) | 1998 | $140,715 | $210,154 | 2025-06 |
| New Samaritan Development Corporation | 501(c)(3) | 1988 | $139,543 | $5.3 million | 2025-09 | |
| Mulligan Concept Teacher Association | Education | 501(c)(3) | 2021 | $124,383 | $175,888 | 2024-12 |
| North Haven High School Booster Club Inc | Education | 501(c)(3) | 2016 | $123,857 | $123,418 | 2025-06 |
| North Haven Youth Basketball Inc | Recreation and sports | 501(c)(3) | 2011 | $121,593 | $38,306 | 2025-06 |
| American College of Emergency Physicans | 501(c)(6) | 1971 | $107,210 | $240,640 | 2024-12 | |
| KFK Dancing for Life Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $107,075 | $35,382 | 2025-08 |
| North Haven Opportunity for Affordable Housing Inc | Housing and shelter | 501(c)(3) | 1994 | $99,067 | $4.3 million | 2025-12 |
| School Administrators Association of New Haven | 501(c)(5) | 1994 | $97,119 | $553,992 | 2025-06 | |
| Ptsa Connecticut Inc | 501(c)(3) | 1955 | $92,285 | $51,207 | 2025-06 | |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $69,513 | $367,074 | 2025-06 | |
| Ancient Free & Accepted Masons of Connecticut | 501(c)(10) | 1943 | $69,359 | $1.8 million | 2025-12 | |
| Unite for Sight Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2003 | $69,204 | $833,706 | 2025-06 |
| Hamden Regional Youth Basketballleague Inc | Recreation and sports | 501(c)(3) | 2009 | $65,990 | $55,136 | 2026-06 |
| International Association of Fire Fighters | 501(c)(5) | 1959 | $63,019 | $162,645 | 2026-03 | |
| Kellie Kennedy Memorial Inc | Education | 501(c)(3) | 2022 | $52,101 | $18,155 | 2024-12 |
| Connecticut Grand Lodge of the Orde R of the Sons of Italy in America | Mutual and membership benefit | 501(c)(10) | 2026 | $51,120 | $120,673 | 2026-03 |
| Ecoworks Inc | Environment | 501(c)(3) | 2014 | $45,888 | $22,640 | 2025-12 |
| Friends of Bobcat Lacrosse Inc | Recreation and sports | 501(c)(3) | 2022 | $39,864 | $35,751 | 2024-12 |
| Sons of Italy in America | 501(c)(8) | 1941 | $37,556 | $110,850 | 2025-12 | |
| Bikers Against Animal Cruelty Inc | Animal-related | 501(c)(3) | 2023 | $36,959 | $36,945 | 2025-12 |
| CSMS Physicians Health and Education Fund | Mental health and crisis intervention | 501(c)(3) | 1995 | $26,850 | $627,127 | 2024-12 |
| West Haven Rotary Club Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $18,610 | $324,843 | 2026-06 |
| Connecticut Nurse Practitioner Group Inc | 501(c)(6) | 1983 | $17,892 | $13,183 | 2025-06 | |
| Connecticut Fireants | Recreation and sports | 501(c)(3) | 2025 | $12,350 | $4,096 | 2025-08 |
| Institute for Ocean Studies | Environment | 501(c)(3) | 1998 | $10,021 | $198,825 | 2025-12 |
| J Michael Kollie Jr and Family Foundation Inc | Human services | 501(c)(3) | 2022 | $6,420 | $1,170 | 2023-12 |
| American Federation of State County & Municipal Employees | 501(c)(5) | 1957 | $0 | $0 | 2025-12 | |
| American Statistical Association | 501(c)(3) | 1990 | $0 | $0 | 2025-12 | |
| Angola Partnership Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Anna Haven LLC | Mental health and crisis intervention | 501(c)(3) | 2022 | $0 | $0 | 2026-01 |
| Bethany Leapley Autism Spectrum Disorder Scholarship Fund Inc | Mental health and crisis intervention | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Build Something Inc | Education | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Burry Fredrik Foundation Inc | 501(c)(3) | 1989 | $8.9 million | 2025-12 | ||
| Cameroonian Community of Connecticut- Inc | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Cars & Charity Inc | Human services | 501(c)(3) | 2024 | |||
| Chesterton Academy of Blessed Michael McGiveny Inc | Education | 501(c)(3) | 2026 | |||
| Christian Service Mission Inc | 501(c)(3) | 1990 | ||||
| Cloa Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Connecticut Alpha of Sigma Phi Epsilon Fraternity Alumni and | Human services | 501(c)(7) | 2019 | $0 | $0 | 2025-12 |
| Connecticut Cubs Youth Sled Hockey Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Connecticut Developmental Disabilities Nurses Association in | 501(c)(3) | 2020 | $0 | $0 | 2025-12 | |
| Connecticut Engineers Education Foundation Inc | Education | 501(c)(3) | 1997 | $0 | $0 | 2025-06 |
| Connecticut Health Information Management Association Inc | Health care | 501(c)(3) | 1985 | $0 | $0 | 2025-06 |
| Connecticut Infectious Diseasesociety Inc | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-11 |
| Connecticut Lions MD23 Foundation | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Connecticut Prevention Network Inc | Community improvement and capacity building | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Connecticut Society of Pathologists | Diseases, disorders and medical disciplines | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Connecticut Society of Professional Engineers Inc | 501(c)(6) | 1976 | $0 | $0 | 2024-06 | |
| Connecticut State Medical Society Charitable Trust | 501(c)(3) | 1994 | $0 | $0 | 2025-06 | |
| Connecticut Valley Litho Club Inc | 501(c)(7) | 1958 | $0 | $0 | 2023-06 | |
| Connecticut Veterinary Technician Association Inc | Community improvement and capacity building | 501(c)(6) | 2019 | $0 | $0 | 2024-12 |
| Connexcares Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $0 | $0 | 2025-09 |
| Csms-Ipa Charitable Organization Inc | Medical research | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Ctsoa | Recreation and sports | 501(c)(3) | 2026 | |||
| David F Depaola Charitable Trust | Education | 501(c)(3) | 2001 | $441,144 | 2025-12 | |
| Diaspora Scientifique Francaise A Linternational D-Fi USA Inc | Science and technology | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Eidetic Productions Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Elm City Kennel Club Inc | 501(c)(7) | 1972 | $0 | $0 | 2024-12 | |
| Embrace Your Difference | Mental health and crisis intervention | 501(c)(3) | 2019 | $0 | $0 | 2024-06 |
| Enugu State Association Connecticut Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Equine-Connect | Youth development | 501(c)(3) | 2024 | |||
| Fbi New Haven Citizens Academy | 501(c)(3) | 2021 | $0 | $0 | 2025-12 | |
| Federated Garden Clubs of Conecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-12 | |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-12 | |
| Fix and Feed North Haven Inc | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| For Every Step | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | |||
| Friends of Falcon Hockey Inc | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the North Haven Library | 501(c)(3) | 1984 | $0 | $0 | 2025-09 | |
| Golden Fox Theatre Co | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Greater New Haven Probus Club LLC | Education | 501(c)(3) | 2025 | |||
| Greater New Haven Soccer Officialsassociation | Recreation and sports | 501(c)(3) | 2007 | $0 | $0 | 2026-04 |
| Hale Foundation Inc | 501(c)(3) | 1955 | $806,262 | 2025-06 | ||
| Harleys Animal Haven | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Hartford County Medical Foundation Incorporated | 501(c)(3) | 1968 | $0 | $0 | 2025-06 | |
| Helen H Roberts Trust Ua Fbo | 501(c)(3) | 1998 | $579,338 | 2026-03 | ||
| High Lane Club Preservation Trust I NC | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Hope Christian Church | 501(c)(3) | 1964 | 2025-12 | |||
| Institute for Studies Ineducational Mathematics | 501(c)(3) | 1980 | $0 | $0 | 2026-01 | |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2025-06 | |
| International Association of Machinists & Aerospace Workers | 501(c)(5) | 1940 | $0 | $0 | 2024-12 | |
| International Association of Sheet Metal Air Rail & Transportation | Employment | 501(c)(5) | 2015 | $0 | $0 | 2025-12 |
| International Film Association of Connecticut Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Italian American Youth Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| JP Fletcher Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $9 million | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2026-06 | |
| La Leche International | 501(c)(3) | 1979 | $0 | $0 | 2026-03 | |
| Lancraft Fife & Drum Corps | Arts, culture and humanities | 501(c)(3) | 2007 | $0 | $0 | 2025-10 |
| Leied | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Liberty Community Church | Arts, culture and humanities | 501(c)(3) | 1999 | |||
| Lippincott Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1987 | $641,987 | 2025-08 | |
| Litchfield County Medical Association | 501(c)(6) | 1982 | $0 | $0 | 2025-12 | |
| Literacy How Inc | Education | 501(c)(3) | 2019 | $403,504 | 2025-12 | |
| Louis & Dora T Mohill Foundation Inc | 501(c)(3) | 1968 | $721,483 | 2026-03 | ||
| Max Sinoway Babe Ruth League | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-09 |
| Mickey Barrett Scholarship Fund | Health care | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Montowese Baptist Church | 501(c)(3) | 1955 | ||||
| Montowese Volunteer Fire Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| More Than Likes | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Mothers Demand Action Corporation | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Mount Carmel Christian Church | 501(c)(3) | 1975 | ||||
| Mount Carmel Christian Church Inc | Religion-related | 501(c)(3) | 2019 | |||
| National Active and Retired Federal Employees Association | 501(c)(5) | 1967 | $0 | $0 | 2025-12 | |
| New Canaan Society Inc | Religion-related | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| New England Assembly of Student Registered Nurse Anesthetists Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| New Haven County Extension Center Resource Council Inc | 501(c)(3) | 1971 | $0 | $0 | 2025-06 | |
| New Haven County Veterinary Medical Association Inc | Community improvement and capacity building | 501(c)(6) | 2009 | $0 | $0 | 2024-12 |
| New Heaven Korean Presbyterian Church | 501(c)(3) | 1992 | ||||
| North American Mulligan Concept Teachers Association Inc | Medical research | 501(c)(3) | 2025 | |||
| North Haven Arts Collaborative | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| North Haven Education Foundation Inc | Education | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| North Haven Girls Softball League Inc | Recreation and sports | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| North Haven High School Golf Boosters Inc | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| North Haven High School Hall of Fame Inc | Education | 501(c)(3) | 2002 | $0 | $0 | 2024-09 |
| North Haven Historical Society Inc | 501(c)(3) | 1959 | $0 | $0 | 2025-12 | |
| North Haven Hockey Boosters | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| North Haven Lions Charities Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| North Haven Pride Inc | Civil rights, social action and advocacy | 501(c)(3) | 2023 | $0 | $0 | 2026-02 |
| North Haven Rotary Foundaton | 501(c)(3) | 1972 | $287,594 | 2025-06 | ||
| North Haven Senior Basketball Leagu E | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| North Haven Trail Association Inc | Recreation and sports | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Northeast Volunteer Fire Fighters Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Our Lady of Guadalupe Home Foundation Inc | Human services | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Parent Teacher Association of Connecticut Inc | 501(c)(3) | 1979 | $0 | $0 | 2025-06 | |
| Peters Rock Association Inc | Environment | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Polish Roman Catholic Union of America | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Pond Hill Baptist Church | 501(c)(3) | 1986 | ||||
| Prader-Willi Syndrome Association Connecticut Chapter Inc | 501(c)(3) | 1984 | $0 | $0 | 2025-10 | |
| Probus Club of Greater New Haven | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Pta Connecticut Congress | 501(c)(3) | 1955 | $0 | $0 | 2024-06 | |
| Ptsa Connecticut Congress | 501(c)(3) | 1955 | $0 | $0 | 2026-06 | |
| Ptsa Connecticut Inc | 501(c)(3) | 1955 | $0 | $0 | 2025-06 | |
| Ptsa Connecticut Inc | 501(c)(3) | 1955 | $0 | $0 | 2025-06 | |
| Ptsa Connecticut Inc | 501(c)(3) | 1955 | $0 | $0 | 2025-06 | |
| Ptsa Connecticut Inc | 501(c)(3) | 1955 | $0 | $0 | 2025-06 | |
| Ptsa Connecticut Inc | 501(c)(3) | 1955 | $0 | $0 | 2024-06 | |
| Religious Science International | 501(c)(3) | 1950 | ||||
| Rotary International | 501(c)(4) | 1958 | $0 | $0 | 2025-06 | |
| Saint Elizabeth of the Trinity Parish Corporation | 501(c)(3) | 1946 | ||||
| St Barnabas Church Corp of North Haven | 501(c)(3) | 1946 | ||||
| St Frances Cabrini Church Corporation of North Haven | 501(c)(3) | 1946 | ||||
| St Therese Church Corporation | 501(c)(3) | 1946 | ||||
| Tau Beta Pi Association Inc | 501(c)(7) | 1947 | $0 | $0 | 2026-05 | |
| Tennis & Sports for the Kommunity Inc | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2021-12 |
| Tennis for All | 501(c)(3) | 2020 | $907 | 2023-12 | ||
| The Lions Club of Hamden Incorporated | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| The Purr Project Group | Animal-related | 501(c)(3) | 2026 | |||
| The Well Church | 501(c)(3) | 1964 | ||||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Token Tabernacle | 501(c)(3) | 1993 | ||||
| Unity Secondary School Ode Aye Alumni Association North America | Education | 501(c)(3) | 2025 | |||
| Womens Global Health Network Inc | Education | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Zachary Ryan Fappiano Memorial Fund | Education | 501(c)(3) | 2024 | |||
| Lincoln Society Inc | Education | 501(c)(3) | 2012 | $-7,224 | $955,979 | 2025-06 |
By cause in North Haven, CT
- Education 27
- Recreation and sports 15
- Arts, culture and humanities 11
- Housing and shelter 10
- Human services 7
- Philanthropy, voluntarism and grantmaking foundations 7
- Animal-related 6
- Mental health and crisis intervention 5
- Community improvement and capacity building 5
- Health care 4
- Environment 3
- Public and societal benefit 3
- Diseases, disorders and medical disciplines 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.