Data / Nonprofits / Connecticut / Stamford
Nonprofits in Stamford, CT: 847 registered with the IRS
847 nonprofits are registered with the IRS in Stamford, CT, 749 of them 501(c)(3) charities; the 277 that report revenue took in $3.80 billion. The largest by revenue: Americares Foundation Inc ($1.85 billion), Stamford Hospital ($908.9 million), Stamford Health Medical Group Inc ($267.6 million). Most common causes: education (105), philanthropy, voluntarism and grantmaking foundations (96), religion-related (78).
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The 500 largest by revenue
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Americares Foundation Inc | International, foreign affairs and national security | 501(c)(3) | 1979 | $1.85 billion | $372.5 million | 2025-06 |
| Stamford Hospital | Health care | 501(c)(3) | 1934 | $908.9 million | $1.32 billion | 2025-09 |
| Stamford Health Medical Group Inc | Health care | 501(c)(3) | 2011 | $267.6 million | $88.6 million | 2025-09 |
| Stamford Health Pharmacy LLC | Health care | 501(c)(3) | 2024 | $133.7 million | $52 million | 2025-09 |
| Food Rescue Us Inc | Food, agriculture and nutrition | 501(c)(3) | 2011 | $84.3 million | $1.2 million | 2025-12 |
| King School Incorporated | Education | 501(c)(3) | 1989 | $49.7 million | $129.8 million | 2025-06 |
| Deloitte Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1943 | $28 million | $51.4 million | 2025-05 |
| Buildon Inc | International, foreign affairs and national security | 501(c)(3) | 1992 | $24.6 million | $21.8 million | 2024-12 |
| F A Bartlett Tree Expert Co Veba Health Benefits Plan | 501(c)(9) | 1979 | $23.7 million | $620,882 | 2025-12 | |
| Childrens Learning Centers of Fairfield County Inc | Human services | 501(c)(3) | 1954 | $18.7 million | $10.7 million | 2025-06 |
| American Pet Products Association Inc | 501(c)(6) | 1981 | $17.5 million | $30.2 million | 2024-12 | |
| Anchor Health Initiative Corporation | Health care | 501(c)(3) | 2016 | $17.4 million | $2.6 million | 2025-12 |
| Stamford Jewish Center Incorporated | 501(c)(3) | 1949 | $16.8 million | $22.8 million | 2025-06 | |
| Rockrimmon Country Club Inc | 501(c)(7) | 1963 | $13.2 million | $18.1 million | 2025-09 | |
| The Stamford Emergency Medical Services Inc | 501(c)(3) | 1987 | $12.6 million | $9.2 million | 2025-06 | |
| Housing Development Fund Inc | Housing and shelter | 501(c)(3) | 2003 | $12.3 million | $71.9 million | 2025-06 |
| Ferguson Library | Education | 501(c)(3) | 1971 | $11.3 million | $20 million | 2025-06 |
| Waterside School Inc | Education | 501(c)(3) | 2002 | $10.6 million | $78.1 million | 2025-06 |
| New Neighborhoods Inc | 501(c)(3) | 1970 | $10.4 million | $52.3 million | 2025-12 | |
| Italian Center of Stamford Inc | 501(c)(3) | 1958 | $9.7 million | $9.8 million | 2025-12 | |
| Inspirica Inc | 501(c)(3) | 1987 | $9.2 million | $35.3 million | 2025-06 | |
| Stamford Health Inc | Health care | 501(c)(3) | 1983 | $8.9 million | $169.4 million | 2025-09 |
| Stamford Yacht Club | 501(c)(7) | 1915 | $8.7 million | $11.3 million | 2024-12 | |
| Domus Kids Inc | 501(c)(3) | 1973 | $8.7 million | $14.1 million | 2025-06 | |
| Womens Business Development Council Inc | Education | 501(c)(3) | 1997 | $8.2 million | $12.9 million | 2025-12 |
| Stamford Museum and Nature Center Incorporated | Arts, culture and humanities | 501(c)(3) | 1952 | $8.1 million | $22.5 million | 2025-06 |
| Ari of Connecticut Inc | 501(c)(3) | 1955 | $8 million | $6.6 million | 2025-06 | |
| Sackler School of Medicine | 501(c)(3) | 1978 | $8 million | $4.8 million | 2023-09 | |
| Stamford Charter School for Excellence Inc | Education | 501(c)(3) | 2015 | $7.8 million | $14.5 million | 2025-06 |
| Keep America Beautiful Inc | Environment | 501(c)(3) | 1955 | $7.7 million | $4.8 million | 2024-12 |
| Mill River Collaborative Inc | Recreation and sports | 501(c)(3) | 1998 | $7 million | $4.3 million | 2025-06 |
| Avon Theatre Film Center Inc | Arts, culture and humanities | 501(c)(3) | 2003 | $6.7 million | $9.7 million | 2025-03 |
| Building One Community Corp | Human services | 501(c)(3) | 2011 | $6.7 million | $9.6 million | 2025-12 |
| Mead School for Human Development Inc | 501(c)(3) | 1971 | $6.4 million | $4 million | 2025-06 | |
| Pacific House Inc | Housing and shelter | 501(c)(3) | 1986 | $6.2 million | $27.8 million | 2025-06 |
| Stamford Center for the Arts Inc | Arts, culture and humanities | 501(c)(3) | 1982 | $6.1 million | $17.5 million | 2025-06 |
| Long Ridge School Inc | 501(c)(3) | 1955 | $6 million | $12.5 million | 2025-06 | |
| Boys & Girls Club of Stamford Inc | 501(c)(3) | 1954 | $5.3 million | $14.5 million | 2025-06 | |
| Childrens School Inc | Education | 501(c)(3) | 1985 | $5.3 million | $24.1 million | 2025-06 |
| Alliance for Cancer Gene Therapy Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $5.2 million | $20.2 million | 2026-04 |
| American Institute for Foreign Study Foundation | International, foreign affairs and national security | 501(c)(3) | 1993 | $4.3 million | $1.6 million | 2024-12 |
| Oset Inc | Health care | 501(c)(3) | 2015 | $4.3 million | $2 million | 2024-12 |
| Food Bank of Lower Fairfield County Inc | Food, agriculture and nutrition | 501(c)(3) | 2003 | $3.8 million | $9.8 million | 2025-06 |
| Gan Yeladim of Stamford Inc | Education | 501(c)(3) | 2015 | $3.6 million | $4.7 million | 2025-06 |
| Domestic Violence Crisis Center | Human services | 501(c)(3) | 1983 | $3.5 million | $3.5 million | 2025-06 |
| Jewish Education in Media Inc Dba JBS Jewish Broadcasting Servic | Arts, culture and humanities | 501(c)(3) | 1979 | $3.5 million | $3.4 million | 2025-12 |
| Roscco Stamford School Community Organization Inc | Education | 501(c)(3) | 2015 | $3.4 million | $1.2 million | 2025-06 |
| Sound Waters Inc | Environment | 501(c)(3) | 1989 | $3.3 million | $17.8 million | 2025-06 |
| Citibank NA Employees Association | 501(c)(9) | 1977 | $3.1 million | $54 million | 2024-12 | |
| Learning Center at Pipers Hill Inc | Education | 501(c)(3) | 1974 | $3 million | $3.9 million | 2025-06 |
| Stamford Elderly Housing Corporation | Housing and shelter | 501(c)(4) | 1984 | $2.9 million | $783,239 | 2025-09 |
| St John Urban Development Corp | 501(c)(4) | 1973 | $2.9 million | $8.6 million | 2025-06 | |
| United Jewish Federation of Stamford | 501(c)(3) | 1974 | $2.9 million | $4.3 million | 2025-12 | |
| Laurel House Inc | 501(c)(3) | 1985 | $2.9 million | $965,895 | 2025-06 | |
| Friends of the Cornell Lab of Ornithology Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $2.8 million | $130.8 million | 2024-12 |
| Future 5 Inc | Youth development | 501(c)(3) | 2014 | $2.7 million | $4.2 million | 2025-06 |
| Silversource Inc | Housing and shelter | 501(c)(3) | 2024 | $2.5 million | $1.6 million | 2026-02 |
| Reach Prep Inc | Education | 501(c)(3) | 1996 | $2.4 million | $4.5 million | 2025-06 |
| Long Ridge Fire Company Incorporated | 501(c)(3) | 1994 | $2.4 million | $1.1 million | 2025-06 | |
| Jewish Family Service of Stamford Inc | 501(c)(3) | 1986 | $2.2 million | $8.5 million | 2025-08 | |
| Reinstitute Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $2 million | $338,022 | 2025-12 |
| Belltown Fire Department Inc | Health care | 501(c)(3) | 1995 | $1.8 million | $2.1 million | 2025-06 |
| Orchestra Lumos Inc | Arts, culture and humanities | 501(c)(3) | 1967 | $1.8 million | $3.1 million | 2025-06 |
| Saint Joseph Parenting Center | Human services | 501(c)(3) | 2009 | $1.8 million | $373,658 | 2025-12 |
| Fairfield County Hospice House Inc | Human services | 501(c)(3) | 2012 | $1.8 million | $3.5 million | 2024-12 |
| Chabad Jewish Center of Stamford Inc | Food, agriculture and nutrition | 501(c)(3) | 2020 | $1.7 million | $1.2 million | 2025-06 |
| The Rowan Center Inc | 501(c)(3) | 1981 | $1.6 million | $1.1 million | 2025-06 | |
| Orthopaedic Foundation for Active Lifestyles Inc | Medical research | 501(c)(3) | 2002 | $1.6 million | $6.1 million | 2024-12 |
| United Compassion Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $1.5 million | $2.3 million | 2024-12 |
| Polish Scouting Organization Z H P Inc | 501(c)(3) | 1993 | $1.4 million | $411,702 | 2024-12 | |
| Bartlett Arboretum Association Inc | Environment | 501(c)(3) | 1966 | $1.3 million | $2.5 million | 2025-06 |
| Curtain Call Inc | Arts, culture and humanities | 501(c)(3) | 1993 | $1.3 million | $895,102 | 2025-06 |
| Newfield Swim Club Inc | 501(c)(7) | 1962 | $1.3 million | $1.2 million | 2025-09 | |
| Soldier Strong Inc | Education | 501(c)(3) | 2013 | $1.3 million | $160,350 | 2024-12 |
| Exchange Club Center for the Prev of Child Abuse of Southern CT Inc | Crime and legal-related | 501(c)(3) | 1995 | $1.3 million | $86,854 | 2025-12 |
| The Stamford Partnership Incorporated | 501(c)(3) | 1980 | $1.2 million | $820,043 | 2025-06 | |
| Neighborhood Preservation Foundation Inc | Housing and shelter | 501(c)(3) | 1989 | $1.2 million | $3.5 million | 2025-09 |
| Friends of Laurel House Inc | Mental health and crisis intervention | 501(c)(3) | 1988 | $1.2 million | $2.2 million | 2025-06 |
| Clementine Lockwood Peterson Foundation | Education | 501(c)(3) | 1993 | $1.2 million | $32.2 million | 2025-03 |
| Realist Lab | Human services | 501(c)(3) | 2022 | $1.1 million | $1,098 | 2024-12 |
| Glenbrook Road Elderly Housing Corp | 501(c)(4) | 1979 | $1.1 million | $6 million | 2024-12 | |
| Hughes Holden Foundation | Human services | 501(c)(3) | 2024 | $1.1 million | $62,413 | 2024-12 |
| Stamford Public Education Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $1.1 million | $226,562 | 2025-06 |
| Engin Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $1.1 million | $708,470 | 2024-12 |
| Stamford Healthcare Credit Union Inc | 501(c)(14) | 1976 | $1 million | $23.4 million | 2025-12 | |
| Stamford Senior Center Inc | Human services | 501(c)(3) | 1997 | $992,153 | $902,553 | 2025-06 |
| Stamford Youth Hockey Association Inc | Recreation and sports | 501(c)(3) | 1998 | $955,600 | $654,915 | 2025-07 |
| Fraternidad Cristiana Stamford Inc | Religion-related | 501(c)(3) | 2016 | $891,761 | $81,823 | 2023-12 |
| Go Addressable Inc | Community improvement and capacity building | 501(c)(6) | 2025 | $873,798 | $262,662 | 2025-12 |
| Connecticut Ballet Inc | 501(c)(3) | 1981 | $867,225 | $116,609 | 2025-06 | |
| First United Methodist Church Nursery School | 501(c)(3) | 1975 | $830,951 | $362,466 | 2025-06 | |
| Fraternal Order of the Umbrella Inc | Crime and legal-related | 501(c)(3) | 1994 | $796,824 | $612,231 | 2024-12 |
| Ponus Yacht Club Inc | 501(c)(7) | 1963 | $788,515 | $1.8 million | 2024-12 | |
| Stamford Rotary Trust Fund | Community improvement and capacity building | 501(c)(3) | 1962 | $765,768 | $2.2 million | 2025-06 |
| Village Community Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2022 | $722,088 | $90,226 | 2025-12 |
| Roots Fund Incorporated | Education | 501(c)(3) | 2020 | $674,901 | $122,197 | 2025-12 |
| R F Youth Boxing Inc | Recreation and sports | 501(c)(3) | 2007 | $670,530 | $281,741 | 2024-12 |
| Vennue Foundation | Health care | 501(c)(3) | 2023 | $662,171 | $557,391 | 2025-06 |
| Stamford Hellenic Association Inc | Recreation and sports | 501(c)(7) | 2009 | $629,913 | $450,087 | 2025-12 |
| Homefront Inc | Human services | 501(c)(3) | 2006 | $629,227 | $705,619 | 2025-08 |
| Belltown Elderly Housing Inc | 501(c)(3) | 1991 | $621,061 | $1.6 million | 2025-12 | |
| University Network for Internat Training Anduniversity Network for | Civil rights, social action and advocacy | 501(c)(3) | 2018 | $586,299 | $1.3 million | 2024-12 |
| Stamford Police Association Inc | 501(c)(4) | 1947 | $567,467 | $706,325 | 2025-09 | |
| Stamford Chamber of Commerce | 501(c)(6) | 1984 | $563,964 | $811,191 | 2026-06 | |
| Woodland Cemetery Association | 501(c)(13) | 1995 | $506,392 | $22.8 million | 2025-10 | |
| Intempo Organization Inc | 501(c)(3) | 2011 | $498,569 | $1.3 million | 2024-12 | |
| Ukrainian Museum and Library of Stamford Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $494,250 | $286,773 | 2024-12 |
| Project Music Inc | Education | 501(c)(3) | 2016 | $480,088 | $197,913 | 2025-06 |
| Babe Ruth Baseball of Stamford Inc | Recreation and sports | 501(c)(3) | 2003 | $478,275 | $192,473 | 2025-12 |
| International Association of Fire Fighters | 501(c)(5) | 1940 | $476,691 | $574,382 | 2025-12 | |
| Neighborhood Housing Services of Stamford Inc | Housing and shelter | 501(c)(3) | 1982 | $461,626 | $975,338 | 2024-12 |
| Yale Polo and Equestrian Center Inc | Recreation and sports | 501(c)(3) | 2014 | $456,825 | $1.2 million | 2024-12 |
| Piston Foundation Inc | Education | 501(c)(3) | 2021 | $451,889 | $99,005 | 2025-12 |
| Turn of River Fire Dept Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 1981 | $449,205 | $962,464 | 2025-06 |
| Saugatuck Cooperative Inc | Housing and shelter | 501(c)(3) | 2002 | $435,253 | $3.1 million | 2024-06 |
| Friendship Circle of Connecticut | Education | 501(c)(3) | 2010 | $418,928 | $120,994 | 2025-11 |
| Veritas Catholic Network Inc | Religion-related | 501(c)(3) | 2018 | $404,038 | $333,788 | 2024-12 |
| Telemachus Foundation Inc | Religion-related | 501(c)(3) | 2011 | $401,550 | $406,707 | 2025-12 |
| Gateway Youth Football League of Greenwich CT Inc | 501(c)(3) | 1992 | $398,625 | $169,250 | 2024-12 | |
| We Are Moving the Needle Inc | Education | 501(c)(3) | 2023 | $397,803 | $227,456 | 2024-12 |
| Womens Mentoring Network Inc | Community improvement and capacity building | 501(c)(3) | 1997 | $368,829 | $480,095 | 2025-06 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $361,855 | $223,707 | 2025-09 | |
| German School of Connecticut Inc | Education | 501(c)(3) | 1999 | $353,733 | $907,806 | 2025-06 |
| Kids Helping Kids Inc | Youth development | 501(c)(3) | 2010 | $352,243 | $165,236 | 2024-12 |
| Health Information Network Inc | Health care | 501(c)(3) | 2019 | $349,212 | $5,940 | 2026-05 |
| Soldier Strong Access | Community improvement and capacity building | 501(c)(4) | 2019 | $348,239 | $296,058 | 2025-12 |
| Stamford Peace Youth Foundation Inc | Youth development | 501(c)(3) | 2014 | $334,187 | $262,543 | 2024-08 |
| Chatham Rock Island Inc | Environment | 501(c)(3) | 2023 | $330,483 | $991,180 | 2025-12 |
| Stamford Board of Realtors Inc | 501(c)(6) | 1969 | $325,838 | $752,137 | 2024-12 | |
| Colonial Cemeteries Inc | Mutual and membership benefit | 501(c)(13) | 2005 | $318,635 | $200,036 | 2024-12 |
| Over 60 Club Inc | Human services | 501(c)(3) | 2019 | $316,421 | $241,114 | 2024-12 |
| Cardinal Kung Foundation Inc | Human services | 501(c)(3) | 1992 | $308,899 | $1 million | 2025-06 |
| John L Starks Foundation Inc | Recreation and sports | 501(c)(3) | 1996 | $303,397 | $280,714 | 2024-12 |
| International Association for Aquatic Animal Medicine | Animal-related | 501(c)(3) | 1975 | $298,562 | $287,449 | 2025-12 |
| Stamford Iglesia de Dios de La Profecia Inc | Religion-related | 501(c)(3) | 2014 | $282,965 | $0 | 2025-12 |
| Saint John School Support Foundation Inc | Education | 501(c)(3) | 2025 | $280,821 | $716,686 | 2025-06 |
| International Union United Auto Aerospace & Agricultural Workers | Employment | 501(c)(5) | 1941 | $279,379 | $401,107 | 2025-12 |
| St Augustine Building Association of Stamford Inc | 501(c)(10) | 1986 | $266,384 | $3.1 million | 2025-09 | |
| Ballet School of Stamford | Arts, culture and humanities | 501(c)(3) | 1999 | $265,615 | $90,126 | 2025-06 |
| Connecticut Maritime Association | 501(c)(6) | 1986 | $256,540 | $468,174 | 2025-06 | |
| Friends of Felines Inc | Animal-related | 501(c)(3) | 2003 | $255,890 | $63,208 | 2025-03 |
| Halloween Yacht Club Inc | 501(c)(7) | 1944 | $245,455 | $725,934 | 2025-09 | |
| Melsopp & Mills Nalc Merged Branch 60 | 501(c)(5) | 1955 | $227,883 | $146,578 | 2025-12 | |
| Keep Stamford Beautiful Inc | Environment | 501(c)(3) | 1999 | $210,544 | $160,776 | 2025-06 |
| Long Ridge Union Cemetery Association | 501(c)(13) | 1941 | $209,644 | $1.7 million | 2024-12 | |
| Revive Inc | Religion-related | 501(c)(3) | 2016 | $207,266 | $0 | 2024-12 |
| Friends of the Ferguson Library Inc | Education | 501(c)(3) | 1980 | $202,890 | $1.3 million | 2025-06 |
| My Architecture Workshops Inc | Youth development | 501(c)(3) | 2022 | $202,787 | $84,958 | 2024-12 |
| Sbybc Inc | Recreation and sports | 501(c)(3) | 2021 | $195,021 | $44,398 | 2024-12 |
| Rotary International | 501(c)(4) | 1942 | $192,134 | $133,147 | 2025-06 | |
| Complex Disorders Alliance Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $192,046 | $853,767 | 2024-12 |
| 100 Black Men of Stamford Inc | Community improvement and capacity building | 501(c)(3) | 1994 | $185,610 | $274,097 | 2024-12 |
| New Hope Fire Co the | 501(c)(3) | 1979 | $184,119 | $499,109 | 2025-06 | |
| Clothes To Kids of Fairfield County Inc | 501(c)(3) | 2015 | $179,368 | $244,171 | 2025-12 | |
| Church of the Archangels Foundation Inc | Religion-related | 501(c)(3) | 1998 | $173,626 | $4.4 million | 2024-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $173,171 | $326,081 | 2024-12 | |
| Newtown Fish & Game Club Incorporated | 501(c)(7) | 1946 | $170,129 | $675,191 | 2025-12 | |
| The Gift of Hope USA Inc | International, foreign affairs and national security | 501(c)(3) | 2008 | $167,323 | $47,765 | 2025-12 |
| Hebrew Wizards Inc | Religion-related | 501(c)(3) | 2006 | $163,592 | $61,397 | 2025-06 |
| Springdale Fire Company Inc | 501(c)(4) | 1978 | $163,163 | $746,175 | 2024-06 | |
| The Schuyler Foundation for Career Bridges Incorporated | Arts, culture and humanities | 501(c)(3) | 2000 | $157,681 | $6,647 | 2024-12 |
| Stamford Historical Society Inc | 501(c)(3) | 1942 | $157,521 | $557,152 | 2025-06 | |
| Southern Connecticut Synchronized Skating Inc | Recreation and sports | 501(c)(3) | 2021 | $152,645 | $87,547 | 2025-03 |
| Cfa Society of Stamford Inc | 501(c)(6) | 1998 | $148,346 | $540,295 | 2025-06 | |
| Iglesia de Dios Pentecostal Jesucristo Es El Camino | Religion-related | 501(c)(3) | 2020 | $148,284 | $269,998 | 2024-12 |
| State Street Debating Society LTD | Education | 501(c)(3) | 2013 | $147,061 | $376,247 | 2025-12 |
| Loft Artists Association Inc | 501(c)(3) | 1987 | $146,694 | $48,831 | 2024-12 | |
| Atelier for Community Transformation | Community improvement and capacity building | 501(c)(3) | 2021 | $144,677 | $116,051 | 2024-12 |
| American Friends of Tikvot | Human services | 501(c)(3) | 2013 | $144,383 | $184,079 | 2024-12 |
| Stamford Affordable Homes Inc | Housing and shelter | 501(c)(3) | 2017 | $141,907 | $3.4 million | 2025-06 |
| Stamford Polish Saturday School Inc | Education | 501(c)(3) | 2025 | $141,269 | $13,339 | 2025-06 |
| Beth El Cemetery Association Incorporated | 501(c)(13) | 1963 | $136,438 | $1.1 million | 2025-06 | |
| First Down Club Inc | Recreation and sports | 501(c)(3) | 2018 | $135,553 | $80,938 | 2024-12 |
| Amalgamated Transit Union | 501(c)(5) | 1971 | $134,912 | $6,534 | 2025-12 | |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $133,896 | $831,221 | 2025-05 | |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $131,897 | $54,754 | 2025-08 |
| Glenbrook Athletic Club Inc | 501(c)(7) | 1972 | $127,323 | $268,766 | 2025-07 | |
| Westhill Band Parent Association Incorporated | Education | 501(c)(3) | 2019 | $127,190 | $38,315 | 2025-06 |
| Holy Name Athletic Club of Stamford Inc | 501(c)(7) | 1959 | $126,311 | $107,874 | 2025-11 | |
| Iglesia Pentecostal Unida Hispana de Stamford | Religion-related | 501(c)(3) | 2022 | $125,965 | $42,329 | 2025-12 |
| Dovetail Sip Inc | Human services | 501(c)(3) | 2017 | $123,911 | $245,141 | 2025-06 |
| The Matthew Gaffney Foundation Inc | Education | 501(c)(3) | 2004 | $122,604 | $1,629 | 2024-12 |
| Sterling Farms Mens Club | Recreation and sports | 501(c)(7) | 2002 | $117,117 | $1,958 | 2025-12 |
| Cma Education Foundation Inc | Education | 501(c)(3) | 2011 | $115,326 | $786,362 | 2025-06 |
| Stamford Troy Softball Inc | Recreation and sports | 501(c)(3) | 2023 | $114,828 | $54,910 | 2024-12 |
| Back To School Shop Inc | Education | 501(c)(3) | 2017 | $111,082 | $208,646 | 2025-08 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $108,594 | $99,432 | 2025-06 |
| Italian Center Mens Club Inc | Recreation and sports | 501(c)(7) | 2025 | $107,475 | $19,525 | 2024-12 |
| Stamford Board of Education Employees Association-Easa | Human services | 501(c)(5) | 2002 | $100,414 | $230,448 | 2024-12 |
| North Street Elderly Housing Corporation | Housing and shelter | 501(c)(4) | 2018 | $98,650 | $0 | 2024-12 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $97,038 | $72,333 | 2025-06 |
| Police Athletic League of Stamford Inc | 501(c)(3) | 1987 | $96,597 | $17,945 | 2025-09 | |
| Connecticut State Soccer Association Inc | Recreation and sports | 501(c)(3) | 1994 | $95,260 | $240,984 | 2025-08 |
| Minturnese Social Club Inc | 501(c)(7) | 1963 | $93,249 | $115,818 | 2025-12 | |
| Wheat House S A | Religion-related | 501(c)(3) | 2022 | $88,228 | $156,209 | 2025-12 |
| New Paradigm Theatre Company Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $85,432 | $59,768 | 2025-06 |
| East Side Cardinals Athletic Assoc Inc | 501(c)(7) | 1996 | $83,033 | $64,609 | 2026-06 | |
| The Connecticut Chapter of the American College of Surgeons | Community improvement and capacity building | 501(c)(6) | 2006 | $81,830 | $22,093 | 2025-12 |
| Arena Parents Club Inc | 501(c)(7) | 1983 | $80,259 | $25,876 | 2026-06 | |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $79,677 | $98,060 | 2025-06 |
| Red Leash Rescue Inc | Animal-related | 501(c)(3) | 2015 | $79,296 | $174,687 | 2025-12 |
| Starfish Connection Inc | Education | 501(c)(3) | 2008 | $78,869 | $199,018 | 2025-06 |
| Effort To Empower Foundation | Education | 501(c)(3) | 2024 | $77,659 | $1.1 million | 2025-12 |
| Pto Northeast School | Education | 501(c)(3) | 1992 | $77,269 | $121,934 | 2025-06 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $77,130 | $105,473 | 2025-06 |
| Project Precious Rescue Inc | Animal-related | 501(c)(3) | 2015 | $75,622 | $9,212 | 2024-12 |
| Stamford Art Association | 501(c)(3) | 1971 | $75,346 | $132,322 | 2025-12 | |
| Children of Eros Foundation Inc | International, foreign affairs and national security | 501(c)(3) | 2008 | $74,974 | $6,866 | 2025-12 |
| Roxbury Organization of Parents and Educators | Education | 501(c)(3) | 2022 | $74,285 | $87,730 | 2025-06 |
| Stamford Spartans Youth Football | 501(c)(3) | 2021 | $73,638 | $61,280 | 2024-12 | |
| English Learner Support Services of Fairfield County Inc | Education | 501(c)(3) | 2017 | $72,355 | $17,946 | 2026-06 |
| Bakhtiar Sunni Society of North America Inc | Religion-related | 501(c)(3) | 2016 | $72,152 | $105,586 | 2024-12 |
| Fight for Two Foundation Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2021 | $71,011 | $1,908 | 2024-12 |
| Ole Farmers Association North America Inc | Education | 501(c)(3) | 2011 | $68,962 | $73,140 | 2025-12 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $67,879 | $68,122 | 2024-12 |
| Stamford Land Conservation Trust Inc | Environment | 501(c)(3) | 1972 | $63,633 | $60.8 million | 2025-12 |
| Dolphin Cove Yacht Club Corporation | Recreation and sports | 501(c)(7) | 2012 | $61,967 | $134,470 | 2025-09 |
| Cenveo Worldwide Limited Employment Transition Benefit Trust | Mutual and membership benefit | 501(c)(17) | 2011 | $61,569 | $0 | 2025-12 |
| Pitney Bowes Relief Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $60,123 | $280,843 | 2023-12 |
| Links Inc | 501(c)(4) | 1961 | $58,936 | $28,958 | 2026-04 | |
| Rockin Appalachian Moms Project | Human services | 501(c)(3) | 2010 | $58,800 | $40,457 | 2024-12 |
| Stamford Veterans Park Partnership Inc | Public and societal benefit | 501(c)(3) | 2018 | $57,293 | $2 million | 2025-06 |
| Greenwich Education Groups School Foundation Inc | Education | 501(c)(3) | 2012 | $57,291 | $167,224 | 2024-12 |
| Prometheum Inc | Recreation and sports | 501(c)(7) | 2010 | $56,682 | $57,185 | 2024-12 |
| American Federation of State County & Municipal Employees | 501(c)(5) | 1967 | $54,726 | $211,544 | 2025-06 | |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $51,278 | $67,030 | 2025-06 |
| Stamford Chorale Inc | Arts, culture and humanities | 501(c)(3) | 2004 | $49,431 | $30,046 | 2025-06 |
| Stamford Old Timers Athletic Assoc Inc | Education | 501(c)(3) | 2016 | $49,173 | $64,898 | 2025-06 |
| Westover Pto | Education | 501(c)(3) | 1989 | $46,332 | $76,081 | 2025-06 |
| Chamber Music Central | Arts, culture and humanities | 501(c)(3) | 2005 | $41,504 | $51,898 | 2024-12 |
| Community Health Facilities Fund Inc | 501(c)(3) | 1992 | $40,805 | $475,168 | 2024-12 | |
| Saint John School Charitable Foundation Trust | Education | 501(c)(3) | 2016 | $39,127 | $425,142 | 2025-06 |
| Treetops Chamber Music Society Inc | Arts, culture and humanities | 501(c)(3) | 2006 | $38,036 | $24,983 | 2025-06 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $36,918 | $56,301 | 2026-06 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $33,747 | $62,698 | 2025-06 |
| Jewish Historical Society of Greater Stamford Inc | 501(c)(3) | 1985 | $31,883 | $141,123 | 2024-12 | |
| Northeast Community Cycles Inc | Recreation and sports | 501(c)(3) | 2012 | $31,820 | $20,913 | 2025-12 |
| Stamford Indian Community | Religion-related | 501(c)(3) | 2024 | $29,775 | $11,100 | 2025-12 |
| Going Coastal Inc | Environment | 501(c)(3) | 2003 | $29,682 | $592,003 | 2025-12 |
| Dr Hugh RK Barber Obgyn Memorialfoundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $29,410 | $343,857 | 2024-12 |
| Sistergood Inc | Education | 501(c)(3) | 2024 | $29,235 | $7,396 | 2025-12 |
| Stamford Professional Fire Fighters Charitable Foundation Corp | Human services | 501(c)(3) | 2025 | $29,020 | $7,382 | 2025-12 |
| Young Artists Philharmonic Inc | Arts, culture and humanities | 501(c)(3) | 1973 | $28,400 | $96,515 | 2025-08 |
| International Hildreth Meiere Association Inc | Education | 501(c)(3) | 2006 | $27,761 | $88,885 | 2025-06 |
| Foundation for Society Law and Art in South Africa | International, foreign affairs and national security | 501(c)(3) | 2014 | $27,693 | $881,447 | 2025-12 |
| The Integrated Life Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 2022 | $27,333 | $262,706 | 2025-12 |
| Rotary International | 501(c)(4) | 1942 | $27,280 | $21,165 | 2025-06 | |
| Stamford Legion Baseball Inc | Recreation and sports | 501(c)(3) | 2015 | $26,366 | $64,910 | 2024-12 |
| Insights Association | Community improvement and capacity building | 501(c)(6) | 2016 | $25,440 | $64,745 | 2025-12 |
| Mead School Foundation Inc | Education | 501(c)(3) | 2000 | $25,200 | $1.2 million | 2025-06 |
| Organization of Chinese Americans F Airfield County Inc | Arts, culture and humanities | 501(c)(3) | 2026 | $24,493 | $104,383 | 2021-08 |
| The Chi Rho Fund Inc | 501(c)(3) | 1983 | $23,204 | $316,825 | 2025-12 | |
| Mickey Lione Jr Fund Inc | Education | 501(c)(3) | 2007 | $22,691 | $844,840 | 2026-06 |
| JWV Community Scholarships Inc | Education | 501(c)(3) | 2007 | $22,199 | $267,420 | 2025-12 |
| CT Stem Kids Club Inc | Youth development | 501(c)(3) | 2015 | $20,500 | $16,909 | 2026-06 |
| Friends of Mianus River Park Inc | Recreation and sports | 501(c)(3) | 2011 | $20,315 | $60,947 | 2025-12 |
| Merritt Parkway Conservancy Inc | Environment | 501(c)(3) | 2002 | $20,158 | $139,532 | 2025-06 |
| St Francis Naggalama Hospital Uganda Inc | Health care | 501(c)(3) | 2019 | $20,001 | $1,773 | 2025-12 |
| Raise the Bar Inc | Health care | 501(c)(3) | 1999 | $16,120 | $45,331 | 2025-06 |
| The Parent Teacher Council of Stamford | Education | 501(c)(3) | 2003 | $16,032 | $41,092 | 2025-06 |
| Tedmed Foundation | Medical research | 501(c)(3) | 2016 | $11,167 | $63.2 million | 2024-12 |
| Pender-Keady Irish Arts Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $9,909 | $55,511 | 2025-10 |
| Uaya Stamford Inc | Arts, culture and humanities | 501(c)(3) | 2020 | $9,002 | $3,860 | 2024-12 |
| Chara Inc | Human services | 501(c)(3) | 2022 | $6,660 | $7,560 | 2025-12 |
| Strategic Business Alliance Inc | Community improvement and capacity building | 501(c)(7) | 2017 | $6,411 | $2,049 | 2025-12 |
| Fudan Fuzhong Overseas Foundationinc | Education | 501(c)(3) | 2007 | $5,600 | $139,935 | 2025-12 |
| Metropolitan Association of Professional Travel Agents Inc | 501(c)(6) | 1997 | $5,526 | $52,549 | 2024-12 | |
| Peter Cernansky Memorial Fund Inc | Education | 501(c)(3) | 2014 | $5,259 | $30,548 | 2024-12 |
| Nation Voice Foundation | Human services | 501(c)(3) | 2024 | $4,355 | $1,775 | 2025-12 |
| Greater Fairfield County Foundation Incorporated | Human services | 501(c)(3) | 2011 | $3,284 | $361,591 | 2026-04 |
| Historic Neighborhood Preservation Program Inc | Arts, culture and humanities | 501(c)(3) | 1984 | $2,200 | $3,752 | 2026-04 |
| Allyson Rioux Memorial Foundation Inc | Education | 501(c)(3) | 2010 | $1,694 | $56,311 | 2025-08 |
| Highland Green Foundation Inc | Religion-related | 501(c)(3) | 2011 | $1,658 | $21,938 | 2025-12 |
| Organization of Collinoises of Aquin for the Development of Haiti | Human services | 501(c)(3) | 2022 | $1,175 | $1,175 | 2023-12 |
| Hedgeye Cares Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $200 | $52,111 | 2024-12 |
| 20TH Century Trends Institute Inc | 501(c)(3) | 1968 | $27,565 | 2025-12 | ||
| A Passion for the Truth | Religion-related | 501(c)(3) | 2010 | $0 | $0 | 2023-12 |
| Acceptdance | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Acjfoundation Haiti School and Orphanage Inc | 501(c)(3) | 2016 | $0 | $0 | 2024-12 | |
| Adassa Martin Foundation Inc | Health care | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ahm Trust | International, foreign affairs and national security | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Alex G Nason Foundation Inc | 501(c)(3) | 1993 | $3.7 million | 2025-12 | ||
| Alfred A and Mary A Johnson Foundation | 501(c)(3) | 1998 | $249,292 | 2025-12 | ||
| Aligned Alliance Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| All for Cats Foundation | Animal-related | 501(c)(3) | 2021 | $215,818 | 2025-12 | |
| Alliance of Claims Assistance Professionals | 501(c)(6) | 1998 | $0 | $0 | 2025-12 | |
| Alpha & Omega Ministries Inc | Religion-related | 501(c)(3) | 1999 | |||
| Amaris Living Foundation Inc | Religion-related | 501(c)(3) | 2017 | $1 | 2023-12 | |
| Amc Innovative Health Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $500,000 | 2025-12 | |
| American Federation of State County & Municipal Employees | Employment | 501(c)(5) | 1957 | $0 | $0 | 2025-12 |
| American Inns of Court Foundation | 501(c)(3) | 1986 | $0 | $0 | 2025-06 | |
| Amy E Shapiro Scholarship Foundation Inc | 501(c)(3) | 1994 | $259,566 | 2025-12 | ||
| Ancient Free & Accepted Masons of Connecticut | 501(c)(10) | 1943 | $0 | $0 | 2025-11 | |
| Ancient Order of Hibernians in America | 501(c)(8) | 1945 | $0 | $0 | 2025-12 | |
| Andrew J & Anita G Frankel Family Foundation Inc | 501(c)(3) | 1964 | $1.3 million | 2025-12 | ||
| Andrew J Whittingham Family Foundation Inc | Human services | 501(c)(3) | 2023 | $103,324 | 2025-12 | |
| Andrew Schemera Foundation for Life | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1 | 2024-12 | |
| Angeles T Arredondo Foundation | 501(c)(3) | 1982 | $3 million | 2025-12 | ||
| Animalsrfamily Inc | Animal-related | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Annunciation Greek Orthodox Church | Religion-related | 501(c)(3) | 2022 | |||
| Annunciation of Stamford Capital Campaign Inc | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Apko Inc | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2025-04 |
| Assembly of God World Vision Ministries | Religion-related | 501(c)(3) | 2000 | |||
| Association Des Femmes En Action Inc | 501(c)(3) | 2002 | $0 | $0 | 2024-12 | |
| Association of Corporate Counsel | 501(c)(6) | 1983 | 2013-12 | |||
| Astronomy Beyond Borders Inc | Science and technology | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| B L Manger Foundation Inc | 501(c)(3) | 1975 | $5.4 million | 2026-04 | ||
| BNB Human Services | Religion-related | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Bahais of Stamford | Religion-related | 501(c)(3) | 1995 | |||
| Baking Happiness Incorporated | Food, agriculture and nutrition | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Bangladesh Medical Association of North America Connecticut Chapter | Education | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Barbara and Edward Netter Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $1.4 million | 2025-10 | |
| Bartlett Tree Foundation Inc | 501(c)(3) | 1987 | $1.6 million | 2025-09 | ||
| Barton Foundation Trust Ua 122895 | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $157,460 | 2025-12 | |
| Be Well Holistic Therapeutic Center Inc | Health care | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Bellas Way Equine Rescue Inc | Animal-related | 501(c)(3) | 2013 | $0 | $0 | 2023-12 |
| Bethany Assembly of God | 501(c)(3) | 1964 | ||||
| Bethany French Speaking FMC | 501(c)(3) | 1958 | ||||
| Bethel Evangelical Alliance Church | 501(c)(3) | 1972 | ||||
| Beyond Kids Foundation Inc | Youth development | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Birkat Avraham Foundation | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Birthright of Greater Norwalk Inc | 501(c)(3) | 1986 | $0 | $0 | 2024-12 | |
| Boehm Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $1.4 million | 2025-12 | |
| Bread of Life Ministries | Religion-related | 501(c)(3) | 2000 | |||
| Breakwater Irregulars | Recreation and sports | 501(c)(7) | 2017 | $0 | $0 | 2025-12 |
| Brent and Courtney Montgomery Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $259 | 2025-12 | |
| Brian R Bill Legacy Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $66,228 | 2025-12 | |
| Bridge Foundation for Student Athletes Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Brim Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $662,347 | 2025-12 | |
| Bringing Accountability for Sherwin S Harms-Bash | Environment | 501(c)(3) | 2026 | |||
| Brothers Brook Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $104.2 million | 2025-12 | |
| Brownstein Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $4,099 | 2025-12 | |
| Butterfly Project Fund Inc | Education | 501(c)(3) | 2009 | $0 | $0 | 2025-08 |
| CPC of the WMM - Stamford CT - One Inc | Religion-related | 501(c)(3) | 2015 | |||
| Capaba Educational Foundation Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Cardinal Kung Academy Inc | 501(c)(3) | 1946 | ||||
| Cardinal Spirit Club Inc | Recreation and sports | 501(c)(3) | 2016 | $0 | $0 | 2024-06 |
| Care for All Foundation Inc | Human services | 501(c)(3) | 2025 | |||
| Catherine R and Anthony A Clifton Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $5.9 million | 2025-12 | |
| Catholic Academy of Stamford Inc | 501(c)(3) | 1946 | ||||
| Catholic Daughters of the Americas | 501(c)(3) | 1946 | ||||
| Center for Integrative Oncology | Diseases, disorders and medical disciplines | 501(c)(3) | 2012 | $0 | $0 | 2026-02 |
| Center for Wellbeing-Centro Bienestar Inc | Mental health and crisis intervention | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Chamber Music Institue for Young Musicians | Arts, culture and humanities | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Charles H and Melanie K Berman Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $942,666 | 2025-12 | |
| Chester Square Foundation | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Childrens Community Library of Stamford Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Chilton Family Foundation | 501(c)(3) | 1996 | $2.6 million | 2024-12 | ||
| Chilton Trust Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $13,804 | 2025-12 | |
| Chordale Booker Go the Distance Foundation Inc | Crime and legal-related | 501(c)(3) | 2025 | |||
| Christ Sanctified Church of the Haitian Ministry | Religion-related | 501(c)(3) | 2023 | |||
| Christian Assembly of the Upper Room Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Church of God | 501(c)(3) | 1972 | ||||
| Church of God of Prophecy Bible Place | 501(c)(3) | 1969 | ||||
| Church of God of the New Jerusalem World Mission Inc | 501(c)(3) | 1989 | ||||
| Church of Jesus Christ of the Last Season | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Church of the Holy Name Jesus | 501(c)(3) | 1946 | ||||
| City Church New York | 501(c)(3) | 1994 | ||||
| City Housing Development Inc | Housing and shelter | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Civil Service Employees Association | Employment | 501(c)(5) | 1970 | $0 | $0 | 2025-09 |
| Claire L Helsing Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $2.4 million | 2024-12 | |
| Claire and Randy Salvatore Pooled Common Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $1,322 | 2025-12 | |
| Classical Judo Institute Inc | Recreation and sports | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Clinical Hypnosis Association Corporation | Mental health and crisis intervention | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Cohen Veterans Network Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $28.5 million | 2024-12 | |
| Columbiettes Incorporated | 501(c)(10) | 1977 | $0 | $0 | 2025-12 | |
| Community of Jesish Life Inc | 501(c)(3) | 1975 | ||||
| Comunidad Cristiana Vida Abundante | Religion-related | 501(c)(3) | 2022 | |||
| Concerned Alimodiananon Resource On Education Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Connect Community Church | Religion-related | 501(c)(3) | 2014 | |||
| Connecticut Ancestry Society Inc | 501(c)(3) | 1965 | $0 | $0 | 2026-05 | |
| Connecticut Chapter Piano Technicians Guild Inc | 501(c)(6) | 1990 | $0 | $0 | 2026-03 | |
| Connecticut Chinese Dance Company | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2024-08 | |
| Connecticut Hindu Cultural Community Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Connecticut Playmakers Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Connecticut Surgical Quality Collaborative Inc | 501(c)(3) | 1983 | $0 | $0 | 2025-12 | |
| Connecticut Telugu Community of USA Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Connecticut United Youth Foundation Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Corners | Community improvement and capacity building | 501(c)(3) | 2022 | $25,516 | 2025-10 | |
| Cornerstone Church of God in Christ | 501(c)(3) | 1969 | ||||
| Cove Island Park Conservancy | Environment | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Cove Island Wildlife Sanctuary | Environment | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Craig B Tate Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $1.7 million | 2025-10 | |
| Crest House Inc | Human services | 501(c)(3) | 2026 | |||
| Crosswols | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $908,717 | 2025-12 | |
| Cultivaite Futures Inc | Science and technology | 501(c)(3) | 2026 | |||
| Cultured Pearl Foundation Inc | Human services | 501(c)(3) | 2010 | $0 | $58,257 | 2024-12 |
| Cummings & Lockwood Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $24,585 | 2024-12 | |
| Cyco Social & Athletic Club Inc | Recreation and sports | 501(c)(7) | 2023 | $0 | $0 | 2025-12 |
| DMMN Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $266,288 | 2025-12 | |
| Daniel K Roberts and Betty Roberts Family Foundation Inc | 501(c)(3) | 1990 | $1 million | 2025-10 | ||
| Danish American Club Inc | 501(c)(7) | 1992 | $0 | $0 | 2025-12 | |
| Daualtrao Gulaji Jadhav Fioundation Inc | Education | 501(c)(3) | 2021 | $3.1 million | 2024-12 | |
| David Russo Cancer Foundation | 501(c)(3) | 1996 | $7,839 | 2025-12 | ||
| David and Hilda Fins Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $306,242 | 2025-12 | |
| Daycroft School Inc | 501(c)(3) | 1995 | $6.6 million | 2024-12 | ||
| Deliverance Center World Ministries Inc | Religion-related | 501(c)(3) | 2001 | |||
| Delta Gamma Fraternity | 501(c)(7) | 1970 | $0 | $7,625 | 2025-06 | |
| Disclosure Advocacy Group Inc | International, foreign affairs and national security | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Diversity Celebrated Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Dog Friends of Stamford Inc | Animal-related | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Dreams Within Reach Inc | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Eagles Wings Apostolic Ministry | Religion-related | 501(c)(3) | 2022 | |||
| East Side Community Partnership Inc | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| East Side Partnership Inc | Community improvement and capacity building | 501(c)(3) | 2009 | $0 | $0 | 2026-06 |
| Eastern Soccer Foundation Inc | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Ebenezer Ministries World Wide Inc | Religion-related | 501(c)(3) | 1999 | |||
| Ecuadorian Civic Committee of Fairfield County | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| El-Shaddai Supernatural Tabernacle of Glory Inc | Religion-related | 501(c)(3) | 2026 | |||
| El-Shammah Apostolic Church Inc | 501(c)(3) | 1984 | ||||
| Emanuel | 501(c)(3) | 1972 | ||||
| Emerson Hall Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Empowerment and Adventure Program USA Inc | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Erik Brunetti Foundation for the Arts Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Eversource Living Waters | Human services | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Ezili Network Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Fairgate Farm Inc | 501(c)(3) | 2017 | ||||
| Fairwest Public School Squash League Association | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Faith Cares Community Development Corporation | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Faith Tabernacle Baptist Church | 501(c)(3) | 1974 | ||||
| Family Enrichment New York Inc | Human services | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Faragel 2005 | International, foreign affairs and national security | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Fcne Foundation Inc | Recreation and sports | 501(c)(3) | 2025 | |||
| Federated Garden Clubs of CT | Environment | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-06 | |
| Fem and Fierce Inc | Youth development | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Fencers Dogood Inc | Animal-related | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Ferguson Library Foundation Inc | 501(c)(3) | 2025 | $1.5 million | 2025-06 | ||
| Financial Executives International | 501(c)(6) | 1948 | $0 | $0 | 2025-06 | |
| Finkelstein Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1996 | $863,338 | 2025-12 | |
| Fire Island Foundation for Culture and the Arts Inc | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| First & Well Foundation Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| First County Bank Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $7.7 million | 2025-12 | |
| First Methodist Church | 501(c)(3) | 1974 | 2013-12 | |||
| First Skate Hockey Camp Inc | Recreation and sports | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Fish of Stamford Inc | 501(c)(3) | 1974 | $0 | $0 | 2026-04 | |
| Fondation de Dynastie Spirituel Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Foundation Cozmad USA Corp | Recreation and sports | 501(c)(3) | 2025 | |||
| Foxwood Lake Association Inc | 501(c)(4) | 1964 | $0 | $0 | 2025-12 | |
| Frank J Bosak Learning Academy Inc | Education | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Frank and Barbara Axel Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $765,100 | 2024-12 | |
| Fred and Donna Nives Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $65.3 million | 2025-12 | |
| Freefare Inc | Science and technology | 501(c)(3) | 2024 | |||
| Fren From When Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| French Speaking Baptist Church of Stamford | 501(c)(3) | 1990 | ||||
| Friends of Silversource Inc | Human services | 501(c)(3) | 1935 | $14.2 million | 2026-02 | |
| Friends of Stamford Music and Arts Academy Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friendship Baptist Chruch of Stamford Incorporated | 501(c)(3) | 1987 | 2004-12 | |||
| Friendship Circle Development Fund Inc | Human services | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Fundacion Magdalena | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| G W S Inc | 501(c)(3) | 1991 | $0 | $0 | 2025-06 | |
| GSR District 6 | Mental health and crisis intervention | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Gabriellas Wings Co | Mental health and crisis intervention | 501(c)(3) | 2025 | |||
| Game of Life Foundation-Golf-Inc | Religion-related | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Gamers for Life Inc | Health care | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Garden Homes Fund | Education | 501(c)(3) | 2014 | $28.6 million | 2025-12 | |
| Gary Desalvo Memorial Scholarship Fund Inc | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| George & Frances Armour Foundation Inc | 501(c)(3) | 1957 | $1.7 million | 2025-03 | ||
| George J & Jessica Harris Foundation | 501(c)(3) | 1994 | $4.8 million | 2025-06 | ||
| Geraldine W and Robert J Dellenback Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $3.4 million | 2025-12 | |
| Getv Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Gifts Foundation | Human services | 501(c)(3) | 2026 | |||
| Girl Friends Inc | 501(c)(4) | 1967 | ||||
| Glenbrook Neighborhood Association | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Global Indian Diaspora Foundation | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Global Organization of People of Indian Origin Inc | 501(c)(3) | 1994 | $0 | $0 | 2025-12 | |
| Goldman Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $357,539 | 2024-12 | |
| Gopio-Ct - Global Organization of People of Indian Origin-Ct Chapter | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Gorman Foundation Inc | 501(c)(3) | 1991 | $61 | 2025-12 | ||
| Grace Christian School Inc | Education | 501(c)(3) | 2000 | |||
| Grace Church Stamford Inc | Religion-related | 501(c)(3) | 2018 | |||
| Grace J Fippinger Foundation Inc | 501(c)(3) | $5.1 million | 2024-12 | |||
| Graceworks Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Grad To Grad Incorporated | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Grand Boule of the Sigma Pi Phi Fraternity | Mutual and membership benefit | 501(c)(10) | 2010 | |||
| Gravinese Mutual Aid Society of Stamford Conn | 501(c)(4) | 1957 | $0 | $0 | 2025-12 | |
| Greater Faith Tabernacle Baptist Church | Religion-related | 501(c)(3) | 2000 | |||
| Greek Orthodox Church of the Archangels Inc | Religion-related | 501(c)(3) | 2022 | |||
| Greenaway Foundation | 501(c)(3) | 1961 | $175,367 | 2025-04 | ||
| Greenwich Ypg | Community improvement and capacity building | 501(c)(6) | 2016 | $0 | $0 | 2024-12 |
| Guardianship and Advocacy Resource Program Inc | 501(c)(3) | 1989 | ||||
| Gunnar and Lorraine Johansen Charitable Trust | Arts, culture and humanities | 501(c)(3) | 2005 | $171,912 | 2025-12 | |
| Gunner Cares Corp | Community improvement and capacity building | 501(c)(3) | 2024 | |||
| H3 Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $7 million | 2025-12 | |
| H5R1 Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| HDF Community Land Trust Inc | Housing and shelter | 501(c)(3) | 2021 | $0 | $159 | 2025-06 |
| HQHT Foundation | Health care | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Haiti Freedom Project Incorporated | Human services | 501(c)(3) | 2025 | |||
| Haitian American Christian Center of New Jerusalem Church Inc | Religion-related | 501(c)(3) | 2008 | |||
| Haitian American Soccer Association of Connecticut | Recreation and sports | 501(c)(3) | 2012 | $0 | $0 | 2025-07 |
| Halvorsen Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $365.4 million | 2025-11 | |
| Hanau Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1.1 million | 2025-11 | |
| Hands To Haiti | Public and societal benefit | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Hands of Hope Outreach Ministries Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 | |
| Harold W McGraw III Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $16.6 million | 2024-12 | |
| Harold W McGraw Jr Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $51 million | 2024-12 | |
| Hayek Institute for American Renewal Inc | Human services | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Healing Hearts Adaptive Recreation Inc | Health care | 501(c)(3) | 2007 | $0 | $0 | 2025-06 |
| Helping Hands Stamford Norwalk Inc | Food, agriculture and nutrition | 501(c)(3) | 2026 |
By cause in Stamford, CT
- Education 105
- Philanthropy, voluntarism and grantmaking foundations 96
- Religion-related 78
- Human services 59
- Arts, culture and humanities 57
- Recreation and sports 38
- Community improvement and capacity building 24
- Health care 21
- Animal-related 16
- Youth development 16
- Housing and shelter 15
- International, foreign affairs and national security 13
- Environment 13
- Mental health and crisis intervention 12
- Public and societal benefit 11
- Food, agriculture and nutrition 7
- Diseases, disorders and medical disciplines 6
- Mutual and membership benefit 5
- Public safety, disaster preparedness and relief 4
- Crime and legal-related 4
- Employment 4
- Medical research 3
- Science and technology 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.