Data / Nonprofits / Connecticut / Philanthropy, voluntarism and grantmaking foundations
Philanthropy, voluntarism and grantmaking foundations nonprofits in Connecticut: 1,589 registered with the IRS
1,589 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Connecticut, 1,584 of them 501(c)(3) charities; the 270 that report revenue took in $978.2 million. The most are in Greenwich (132), Stamford (96), Westport (76). The largest by revenue: Greater Hartford Gives Foundation ($144.4 million), Charityvest Inc ($113.4 million), Ithuriel Fund ($102.3 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Greater Hartford Gives Foundation | Hartford | 501(c)(3) | 1942 | $144.4 million | $1.20 billion | 2024-12 |
| Charityvest Inc | Fairfield | 501(c)(3) | 2016 | $113.4 million | $103.4 million | 2024-12 |
| Ithuriel Fund | Old Greenwich | 501(c)(3) | 2022 | $102.3 million | $246.6 million | 2025-12 |
| Knights of Columbus Charitable Fund Inc | New Haven | 501(c)(3) | 2017 | $85.5 million | $127.1 million | 2024-12 |
| Community Foundation for Greater New Haven | New Haven | 501(c)(3) | 1941 | $55.7 million | $627.4 million | 2024-12 |
| National Charitable Endowment Inc | Darien | 501(c)(3) | 2018 | $55.2 million | $175.9 million | 2024-12 |
| Greater Hartford Community Foundation Inc | Hartford | 501(c)(3) | 2006 | $42.9 million | $13 million | 2025-08 |
| United Way of Connecticut | Rocky Hill | 501(c)(3) | 1985 | $36.9 million | $20.2 million | 2025-06 |
| Deloitte Foundation | Stamford | 501(c)(3) | 1943 | $28 million | $51.4 million | 2025-05 |
| Fairfield Countys Community Foundation Inc | Norwalk | 501(c)(3) | 1991 | $21.3 million | $291.4 million | 2025-06 |
| Person To Person Inc | Darien | 501(c)(3) | 1995 | $17.5 million | $8.4 million | 2025-06 |
| Foundations in Education Inc | Shelton | 501(c)(3) | 2016 | $17.4 million | $59.8 million | 2025-06 |
| Jewish Community Foundation of Greater Hartford Inc | West Hartford | 501(c)(3) | 1998 | $17.2 million | $192.1 million | 2025-06 |
| Connecticut Community Foundation Inc | Waterbury | 501(c)(3) | 1933 | $15.2 million | $200.1 million | 2025-12 |
| United Way of Greater New Haven Inc | New Haven | 501(c)(3) | 1953 | $14.9 million | $11.7 million | 2025-06 |
| Community Foundation of Eastern Connecticut | New London | 501(c)(3) | 1983 | $13.1 million | $127.4 million | 2024-12 |
| Jewish Federation of Greater Hartford | West Hartford | 501(c)(3) | 1949 | $11.9 million | $16.1 million | 2025-06 |
| United Way Inc Dba United Way of Central & Northeastern CT | Hartford | 501(c)(3) | 1934 | $10.7 million | $23.6 million | 2025-06 |
| Northwest Connecticut Community Foundation Inc | Torrington | 501(c)(3) | 2000 | $10.4 million | $176.3 million | 2025-12 |
| New Canaan Community Foundation Inc | New Canaan | 501(c)(3) | 1978 | $9.8 million | $32 million | 2025-06 |
| United Way of Coastal and Western Connecticut Inc | Danbury | 501(c)(3) | 1942 | $8 million | $8.9 million | 2025-06 |
| Main Street Community Foundation | Bristol | 501(c)(3) | 1996 | $7.8 million | $44.7 million | 2025-12 |
| Hometown Foundation Inc | Cheshire | 501(c)(3) | 2004 | $7.4 million | $12.2 million | 2025-09 |
| North Central Area Agency On Aging Inc | Hartford | 501(c)(3) | 1995 | $7.1 million | $3.6 million | 2025-09 |
| Lyford Cay Foundation Inc | Greenwich | 501(c)(3) | 1969 | $7 million | $39.6 million | 2024-12 |
| Yhb Charitable Endowment Inc | West Hartford | 501(c)(3) | 2010 | $6.8 million | $28.6 million | 2024-12 |
| Maria Seymour Brooker Memorial Inc | Torrington | 501(c)(3) | 1942 | $5.3 million | $52.4 million | 2025-06 |
| Alliance for Cancer Gene Therapy Inc | Stamford | 501(c)(3) | 2001 | $5.2 million | $20.2 million | 2026-04 |
| Community Foundation of Middlesex County Inc | Middletown | 501(c)(3) | 1997 | $4.7 million | $46.2 million | 2025-12 |
| Nfa Foundation Inc | Norwich | 501(c)(3) | 1986 | $4.6 million | $92.3 million | 2025-06 |
| Monks of Norcia Foundation | Norwalk | 501(c)(3) | 2000 | $4.3 million | $1.9 million | 2025-06 |
| Valley Community Foundation Inc | New Haven | 501(c)(3) | 2004 | $3.3 million | $39.6 million | 2024-12 |
| Arrl Foundation Inc | Newington | 501(c)(3) | 2018 | $3.2 million | $12.5 million | 2025-06 |
| Pink Aid Inc | Westport | 501(c)(3) | 2015 | $3.2 million | $3.8 million | 2025-03 |
| Knights of Columbus Charities USA Inc | New Haven | 501(c)(3) | 2004 | $3.1 million | $93.4 million | 2024-12 |
| American Friends of Le Korsa Inc | Bethany | 501(c)(3) | 2010 | $3 million | $3.1 million | 2024-12 |
| Friends of the Cornell Lab of Ornithology Inc | Stamford | 501(c)(3) | 2013 | $2.8 million | $130.8 million | 2024-12 |
| Easton Community Center Inc | Easton | 501(c)(3) | 1998 | $2.3 million | $1.6 million | 2025-08 |
| John T and Jane A Wiederhold Foundation | Torrington | 501(c)(3) | 2018 | $2.3 million | $33 million | 2025-12 |
| Hospital for Special Care Foundation Inc | New Britain | 501(c)(3) | 1999 | $2.2 million | $19 million | 2025-03 |
| Birmingham Group Realty Inc | North Haven | 501(c)(3) | 2007 | $2.1 million | $16 million | 2025-06 |
| Electric Boat Employees Community Service Association | Groton | 501(c)(3) | 1958 | $1.8 million | $39,816 | 2025-12 |
| Stryke Foundation for Rare Disease Research and Treatment | Norwalk | 501(c)(3) | 2024 | $1.8 million | $1.8 million | 2024-12 |
| Catherine Violet Hubbard Foundation Inc | Newtown | 501(c)(3) | 2013 | $1.7 million | $5.9 million | 2024-12 |
| Connecticut Council for Philanthropy | Hartford | 501(c)(3) | 1969 | $1.6 million | $3.3 million | 2024-12 |
| Klein Memorial Auditorium Foundation Inc | Bridgeport | 501(c)(3) | 1998 | $1.6 million | $4.9 million | 2026-06 |
| Sarah Foundation Inc | Guilford | 501(c)(3) | 1992 | $1.6 million | $5.6 million | 2024-12 |
| United Compassion Fund Inc | Stamford | 501(c)(3) | 2014 | $1.5 million | $2.3 million | 2024-12 |
| Charles A Coffin Memorial Fund | New Haven | 501(c)(3) | 1959 | $1.5 million | $13.1 million | 2025-06 |
| Allied Community Services Inc | Enfield | 501(c)(3) | 2023 | $1.4 million | $2.3 million | 2025-06 |
| Suzuki Music School of Westport Inc | Westport | 501(c)(3) | 1998 | $1.4 million | $1.7 million | 2025-08 |
| The Community Fund of Darien | Darien | 501(c)(3) | 1968 | $1.3 million | $3.3 million | 2025-06 |
| Generous Life Inc | Ridgefield | 501(c)(3) | 2019 | $1.3 million | $153,650 | 2024-12 |
| American Friends of Kishorit Inc | West Hartford | 501(c)(3) | 2013 | $1.2 million | $512,784 | 2025-06 |
| Catalytic Impact Foundation Inc | Westport | 501(c)(3) | 2016 | $1.1 million | $1.1 million | 2024-12 |
| Stamford Public Education Foundation Inc | Stamford | 501(c)(3) | 1997 | $1.1 million | $226,562 | 2025-06 |
| 5C Corporation | New Haven | 501(c)(3) | 2005 | $1.1 million | $5.8 million | 2025-06 |
| Simsbury Performing Arts Center Inc | Simsbury | 501(c)(3) | 2012 | $1 million | $1.1 million | 2025-12 |
| Lawyers for Children America Inc | Hartford | 501(c)(3) | 1995 | $985,005 | $2 million | 2025-12 |
| 4-CT Corp | New Haven | 501(c)(3) | 2020 | $972,207 | $775,954 | 2025-09 |
| Mill Reef Fund | Greenwich | 501(c)(3) | 1950 | $951,422 | $1.1 million | 2025-12 |
| Pandemonium Rainforest Project Inc | Deep River | 501(c)(3) | 2016 | $935,387 | $267,573 | 2025-12 |
| Jewish Communities of Western | Southbury | 501(c)(3) | 1952 | $890,984 | $27.8 million | 2025-06 |
| United Way of Meriden and Wallingford Inc | Meriden | 501(c)(3) | 1934 | $788,623 | $1.1 million | 2025-06 |
| International Follicular Lymphoma Challenge Inc | Norwalk | 501(c)(3) | 2020 | $743,265 | $701,890 | 2025-12 |
| Friends of Chikumbuso Inc | N Stonington | 501(c)(3) | 2010 | $717,862 | $493,541 | 2024-12 |
| Middlesex United Way Inc | Middletown | 501(c)(3) | 1950 | $687,569 | $2.1 million | 2025-06 |
| United Way of Naugatuck and Beacon Falls Inc | Naugatuck | 501(c)(3) | 1963 | $686,362 | $721,509 | 2025-12 |
| Education and Hope | Darien | 501(c)(3) | 1999 | $676,876 | $880,317 | 2024-12 |
| Terryville Lions Charities Inc | Terryville | 501(c)(3) | 2016 | $672,959 | $2.1 million | 2025-06 |
| Valley United Way Incorporated | Shelton | 501(c)(3) | 1968 | $649,503 | $621,500 | 2025-06 |
| Golden Hill Foundation Inc | Shelton | 501(c)(3) | 1981 | $638,786 | $12.1 million | 2025-06 |
| Infinite Strength Inc | Madison | 501(c)(3) | 2018 | $637,405 | $112,883 | 2025-12 |
| Chinuch Yehudi Inc | Waterbury | 501(c)(3) | 2017 | $632,730 | $201,344 | 2024-12 |
| Petit Family Foundation | Farmington | 501(c)(3) | 2009 | $584,605 | $5.2 million | 2025-06 |
| Camp Rising Sun Charitablefoundation Inc | Branford | 501(c)(3) | 2007 | $576,158 | $4.5 million | 2024-12 |
| CHC Realty Inc | Middletown | 501(c)(3) | 2014 | $530,879 | $13.2 million | 2025-06 |
| Social Movement Technologies Foundation Inc | Bloomfield | 501(c)(3) | 2015 | $521,188 | $1.2 million | 2025-07 |
| Impact 100 Fairfield County | Greenwich | 501(c)(3) | 2015 | $493,474 | $558,620 | 2025-06 |
| Iris Fund | Ridgefield | 501(c)(3) | 2023 | $488,486 | $431,435 | 2025-12 |
| Branford Community Foundation | Branford | 501(c)(3) | 1980 | $446,973 | $3.3 million | 2024-12 |
| Greystone Foundation Inc | Avon | 501(c)(3) | 2022 | $438,687 | $213,304 | 2025-12 |
| Watertown Foundation Inc | Watertown | 501(c)(3) | 1944 | $427,490 | $6 million | 2025-08 |
| Jordan Porco Foundation | Wethersfield | 501(c)(3) | 2011 | $415,644 | $1.4 million | 2025-12 |
| The Maurice C La Grua Center Inc | Stonington | 501(c)(3) | 2007 | $360,619 | $883,899 | 2025-06 |
| Dematteo Family Foundation Inc | North Haven | 501(c)(3) | 2024 | $346,956 | $339,424 | 2025-12 |
| Bridgeport Public Education Fund Inc | Bridgeport | 501(c)(3) | 1994 | $342,975 | $561,572 | 2024-12 |
| Max Cares Foundation Inc | Hartford | 501(c)(3) | 2016 | $330,907 | $211,354 | 2024-12 |
| The Northwest Connecticut Community Foundation Trust | Torrington | 501(c)(3) | 1970 | $307,387 | $6.4 million | 2025-12 |
| Middlesex Community College Foundation Incorporated | Middletown | 501(c)(3) | 1981 | $303,259 | $1.5 million | 2025-06 |
| United Way of Southington Inc | Southington | 501(c)(3) | 1972 | $296,875 | $617,795 | 2025-06 |
| Childrens Fund for Glycogen Storage Disease Research | Cheshire | 501(c)(3) | 2002 | $274,249 | $1.5 million | 2025-12 |
| SMS Research Foundation | Georgetown | 501(c)(3) | 2010 | $267,378 | $353,248 | 2024-12 |
| India Collective Inc | Southport | 501(c)(3) | 2022 | $262,112 | $23,643 | 2025-12 |
| Tunison Foundation Inc | Oxford | 501(c)(3) | 2018 | $260,109 | $620,660 | 2025-12 |
| Beta Iota Boule Foundation Inc | West Hartford | 501(c)(3) | 2021 | $251,526 | $665,780 | 2024-12 |
| Cedar Hill Cemetery Foundation Inc | Hartford | 501(c)(3) | 1998 | $248,838 | $2.4 million | 2025-09 |
| Kbe Charitable Foundation Inc | Farmington | 501(c)(3) | 2022 | $234,159 | $316,140 | 2024-12 |
| The Farmington Community Chest Incorporated | Farmington | 501(c)(3) | 2003 | $224,324 | $463,434 | 2026-06 |
| Adam Wysota Foundation Inc | Shelton | 501(c)(3) | 2013 | $222,290 | $402,631 | 2025-12 |
| Coalition for A Better Wallingford Inc | Wallingford | 501(c)(3) | 2018 | $217,236 | $31,577 | 2025-12 |
| Washington Community Fund Inc | Washington | 501(c)(3) | 1953 | $212,568 | $2.3 million | 2026-03 |
| Garrett B Smith Foundation | Greenwich | 501(c)(3) | 1995 | $212,351 | $1.7 million | 2025-12 |
| Greenwich Department of Human Services Fund Inc | Greenwich | 501(c)(3) | 2018 | $195,328 | $395,780 | 2025-06 |
| Osterman Community Foundation | Cheshire | 501(c)(3) | 2005 | $194,022 | $458,830 | 2025-12 |
| Abigail Zittoun Family Foundation Inc | Weatogue | 501(c)(3) | 2025 | $193,071 | $268,637 | 2025-12 |
| South Windsor Community Foundation Inc | South Windsor | 501(c)(3) | 2004 | $192,144 | $258,415 | 2025-06 |
| Complex Disorders Alliance Inc | Stamford | 501(c)(3) | 2021 | $192,046 | $853,767 | 2024-12 |
| The New American Dream Foundation Inc | Danbury | 501(c)(3) | 2016 | $190,160 | $124,287 | 2025-12 |
| Hebron Lions Charities Inc | Hebron | 501(c)(3) | 2017 | $188,921 | $1.3 million | 2024-12 |
| Newtown Action Alliance Foundation | Newtown | 501(c)(3) | 2013 | $185,952 | $438,748 | 2025-12 |
| Mikeys Way Foundation | Fairfield | 501(c)(3) | 2006 | $181,179 | $210,301 | 2024-12 |
| Simsbury Community Television Inc Eno Memorial Hall | Simsbury | 501(c)(3) | 1984 | $179,204 | $169,441 | 2025-12 |
| Rukwa Foundation | Suffield | 501(c)(3) | 2021 | $175,926 | $167,715 | 2024-12 |
| Exchange Club of New Canaan Foundation Inc | New Canaan | 501(c)(3) | 2023 | $175,518 | $152,858 | 2025-06 |
| Benefit Others Foundation | Branford | 501(c)(3) | 2020 | $174,796 | $154,852 | 2025-12 |
| Fads Enriching Lives Foundation | Enfield | 501(c)(3) | 2023 | $170,035 | $140,202 | 2024-12 |
| The Cheshire Half Marathon 5K Foundation Inc | Branford | 501(c)(3) | 2014 | $168,455 | $25,092 | 2025-06 |
| Barnum Foundation for Life Inc | Shelton | 501(c)(3) | 2008 | $167,623 | $362,068 | 2025-12 |
| Westport Uniformed Firefighters Charitable Foundation | Westport | 501(c)(3) | 2014 | $165,101 | $203,445 | 2024-12 |
| The Meriden-Wallingford Community F Foundation Inc | Meriden | 501(c)(3) | 1998 | $163,561 | $4 million | 2025-06 |
| Hannah Storm Foundation | Darien | 501(c)(3) | 2008 | $159,512 | $365,460 | 2024-12 |
| Kent Community Fund Inc | Kent | 501(c)(3) | 2006 | $159,220 | $1.1 million | 2025-12 |
| Dimatteo Family Charitable Foundation Inc | Shelton | 501(c)(3) | 2006 | $156,765 | $11,443 | 2025-12 |
| Caroline Previdi Foundation Inc | Newtown | 501(c)(3) | 2013 | $155,597 | $1.3 million | 2025-12 |
| Old Saybrook Rotary Foundation Inc | Old Saybrook | 501(c)(3) | 2014 | $154,450 | $801,660 | 2026-06 |
| Wishes On Wheels Inc | East Hartford | 501(c)(3) | 2009 | $152,618 | $18,667 | 2024-12 |
| United Way of Milford Inc | Milford | 501(c)(3) | 1971 | $152,489 | $596,731 | 2025-06 |
| The United Way of Northwest Connecticut Inc | Torrington | 501(c)(3) | 1972 | $151,914 | $653,684 | 2024-12 |
| Rosalind Franklin Society | Westport | 501(c)(3) | 2008 | $151,082 | $189,621 | 2024-12 |
| Friends of the Cyrenius H Booth Library Inc | Newtown | 501(c)(3) | 1993 | $150,444 | $442,724 | 2025-07 |
| East Hampton Lions Charities Inc | East Hampton | 501(c)(3) | 2018 | $149,037 | $97,261 | 2025-06 |
| Aces Education Foundation Inc | Wallingford | 501(c)(3) | 2004 | $148,483 | $208,630 | 2025-06 |
| Cingari Family Foundation | Norwalk | 501(c)(3) | 2010 | $148,207 | $64,397 | 2025-12 |
| Guilford Community Fund | Guilford | 501(c)(3) | 1956 | $146,117 | $119,509 | 2025-12 |
| Sunrise Rotary 21St Century Foundation Inc | Westport | 501(c)(3) | 2001 | $146,072 | $129,971 | 2026-06 |
| Greenwich Catholic Education Trust Fund | Greenwich | 501(c)(3) | 1971 | $145,017 | $4.1 million | 2026-06 |
| Wilton Education Foundation Inc | Wilton | 501(c)(3) | 1993 | $144,444 | $151,009 | 2025-06 |
| Ur Community Cares Inc | Manchester | 501(c)(3) | 2019 | $143,829 | $119,863 | 2025-12 |
| Procyon Strong Foundation Inc | Shelton | 501(c)(3) | 2019 | $140,356 | $61,503 | 2024-12 |
| Tandem Fund Inc | Old Greenwich | 501(c)(3) | 2025 | $139,204 | $41,005 | 2025-12 |
| Berlin Lions Charities Inc | Berlin | 501(c)(3) | 2005 | $128,648 | $595,183 | 2025-06 |
| Fairfield Fire Fighters Charitable Foundation | Fairfield | 501(c)(3) | 2014 | $125,280 | $124,393 | 2024-12 |
| Sharedimpact Foundation Inc | Hebron | 501(c)(3) | 2014 | $123,410 | $3.5 million | 2024-12 |
| Joe Garassino Foundation Inc | Watertown | 501(c)(3) | 2013 | $122,770 | $502,360 | 2024-12 |
| Johnnys Jog for Charity Inc | West Hartford | 501(c)(3) | 2011 | $118,770 | $2,129 | 2025-12 |
| Ethan Miller Song Foundation Inc | Guilford | 501(c)(3) | 2018 | $116,410 | $345,436 | 2024-12 |
| Straight Caribbean Spine Foundation | Norwalk | 501(c)(3) | 2007 | $111,573 | $92,906 | 2024-12 |
| Farms Country Club Foundation Inc | Wallingford | 501(c)(3) | 2021 | $109,232 | $129,140 | 2024-12 |
| Orange Foundation | Orange | 501(c)(3) | 1977 | $107,480 | $2.5 million | 2025-12 |
| KFK Dancing for Life Inc | North Haven | 501(c)(3) | 2024 | $107,075 | $35,382 | 2025-08 |
| United Steel Foundation Inc | East Hartford | 501(c)(3) | 2022 | $105,249 | $48,739 | 2024-12 |
| Simione Scillia Larrow & Dowling Charitable Foundation Inc | New Haven | 501(c)(3) | 1999 | $102,666 | $9,996 | 2025-06 |
| The Institute of Ministry Management & Leadership Inc | Niantic | 501(c)(3) | 2003 | $101,753 | $2,021 | 2025-12 |
| Trumbull Rotary Foundation | Trumbull | 501(c)(3) | 2011 | $101,416 | $180,918 | 2025-06 |
| Wallingford Foundation Sponsored By the Rotary Club of Wallingford | Wallingford | 501(c)(3) | 1989 | $101,241 | $1.6 million | 2025-06 |
| Luke Roux Foundation Inc | Farmington | 501(c)(3) | 2024 | $99,579 | $138,966 | 2026-01 |
| Mystic Irish Parade Foundation | Mystic | 501(c)(3) | 2004 | $97,627 | $101,461 | 2024-12 |
| Joe and Kay Calvanese Foundation Incorporated | Plantsville | 501(c)(3) | 1996 | $96,999 | $619,481 | 2024-12 |
| Stratford Old Timers Athletic Association Inc | Stratford | 501(c)(3) | 2019 | $95,803 | $76,517 | 2025-12 |
| Sticks for Soldiers Inc | Fairfield | 501(c)(3) | 2014 | $94,027 | $58,904 | 2025-06 |
| Hugz4haiti | Danbury | 501(c)(3) | 2011 | $92,753 | $15,379 | 2024-12 |
| Random Tuesday Inc | Madison | 501(c)(3) | 2016 | $91,773 | $4,575 | 2025-12 |
| Ccarc Foundation Inc | New Britain | 501(c)(3) | 2007 | $90,568 | $3.5 million | 2025-06 |
| Anne Capano Charitable Foundation for Giving Inc | New London | 501(c)(3) | 2010 | $89,687 | $1.4 million | 2024-12 |
| Community Foundation for St Vincent and the Grenadines Inc | Hebron | 501(c)(3) | 2009 | $89,648 | $22,035 | 2025-09 |
| Rabbonis Love Inc | Hartford | 501(c)(3) | 2020 | $88,232 | $1,289 | 2025-12 |
| Guilford Fund for Education Inc | Guilford | 501(c)(3) | 2007 | $88,214 | $400,581 | 2023-06 |
| Impact 100 Southern Connecticut Inc | Glastonbury | 501(c)(3) | 2024 | $87,105 | $88,525 | 2025-12 |
| Hartford County Bar Foundation Inc | Hartford | 501(c)(3) | 2000 | $86,737 | $81,477 | 2025-02 |
| Knights Trust Inc | New Haven | 501(c)(3) | 1996 | $81,311 | $1 million | 2025-06 |
| General Federation of Womens Clubs | Tolland | 501(c)(3) | 2013 | $75,848 | $1.1 million | 2025-05 |
| Haitian Educational Initiatives | Fairfield | 501(c)(3) | 2012 | $75,201 | $24,437 | 2025-12 |
| Comunidades Sin Fronteras CSF-CT Inc | Norwalk | 501(c)(3) | 2021 | $72,754 | $21,319 | 2025-12 |
| Chad A Jacobs Memorial Foundation | Westport | 501(c)(3) | 2011 | $72,751 | $461,185 | 2024-12 |
| Killingworth Lions Charities Inc | Killingworth | 501(c)(3) | 1999 | $72,573 | $53,121 | 2025-06 |
| Capital City Education Foundation Inc | Glastonbury | 501(c)(3) | 2022 | $71,209 | $2.4 million | 2024-12 |
| Rotary Club of Orange Foundation Inc | Orange | 501(c)(3) | 2003 | $69,448 | $1.1 million | 2025-06 |
| Stamford Unico | Norwalk | 501(c)(3) | 2022 | $68,182 | $55,695 | 2024-06 |
| Imperial Sovereign Court of Connecticut Inc | Hartford | 501(c)(3) | 2003 | $68,059 | $43,769 | 2025-12 |
| Elbowbumpkid Inc | Higganum | 501(c)(3) | 2019 | $67,902 | $115,245 | 2025-12 |
| Andrew Didomenico Memorial Foundation Inc | Meriden | 501(c)(3) | 2024 | $67,646 | $107,355 | 2025-12 |
| Newtown Lions Foundation Inc | Newtown | 501(c)(3) | 2011 | $65,755 | $80,354 | 2025-06 |
| National Charity League Inc | New Canaan | 501(c)(3) | 1996 | $65,582 | $97,767 | 2025-05 |
| Plainville Rotary Foundation Inc | Plainville | 501(c)(3) | 2018 | $60,760 | $63,954 | 2026-06 |
| Pitney Bowes Relief Fund Inc | Stamford | 501(c)(3) | 2011 | $60,123 | $280,843 | 2023-12 |
| Olde Crabs Hockey Club Inc | Danbury | 501(c)(3) | 2007 | $59,374 | $26,572 | 2024-12 |
| Cactus Jack Foundation Inc | Waterford | 501(c)(3) | 2001 | $58,975 | $85,400 | 2025-06 |
| New Fairfield Community Foundation Inc | New Fairfield | 501(c)(3) | 1999 | $58,760 | $415,180 | 2023-12 |
| Capital City Education Alliance Inc | Glastonbury | 501(c)(3) | 1972 | $57,431 | $4,389 | 2024-12 |
| New London Rotary Foundation Inc | New London | 501(c)(3) | 1994 | $54,592 | $566,429 | 2025-06 |
| Granby Community Fund Inc | Granby | 501(c)(3) | 1962 | $53,278 | $133,088 | 2025-12 |
| Henry E & Nancy H Bartels Trust Fbo | Hamden | 501(c)(3) | 1989 | $52,755 | $3.8 million | 2024-12 |
| Richard Klett Charitable Foundation | East Hampton | 501(c)(3) | 2021 | $52,378 | $3,630 | 2023-12 |
| GHS Friends of Glastonbury Baseball Inc | Glastonbury | 501(c)(3) | 2020 | $50,885 | $37,192 | 2024-12 |
| Skydive for Veterans Inc | Branford | 501(c)(3) | 2020 | $50,759 | $6,289 | 2025-12 |
| Butler Family Foundation Inc | Windsor | 501(c)(3) | 2024 | $48,593 | $56,485 | 2024-12 |
| Newington Rotary Chairites Inc | Newington | 501(c)(3) | 2011 | $47,521 | $138,000 | 2025-06 |
| Lions of New Britain Charities Inc | New Britain | 501(c)(3) | 2000 | $47,251 | $121,444 | 2026-06 |
| Cheshire High School Football Alumni Association Inc | Cheshire | 501(c)(3) | 2016 | $46,625 | $67,207 | 2025-12 |
| Granby Lions Foundation Inc | Granby | 501(c)(3) | 2022 | $45,816 | $58,863 | 2025-06 |
| Candlewood Heights Beach Club Inc | New Milford | 501(c)(7) | 2002 | $44,591 | $60,472 | 2025-12 |
| East Hampton Parent Teacher Organization Inc | East Hampton | 501(c)(3) | 1996 | $44,527 | $45,216 | 2025-08 |
| Giving Fairfield Inc | Fairfield | 501(c)(3) | 2025 | $44,435 | $11,204 | 2025-12 |
| Firemens Benevolent Association of New Haven | New Haven | 501(c)(3) | 2023 | $44,382 | $648,334 | 2022-12 |
| Compassion Fund Inc | Middletown | 501(c)(3) | 2018 | $43,552 | $163,380 | 2025-12 |
| Bridge To Cure Inc | Watertown | 501(c)(3) | 2018 | $42,796 | $5,269 | 2025-12 |
| Manchester Rotary Club Foundation Inc | Manchester | 501(c)(3) | 2011 | $42,395 | $103,838 | 2025-06 |
| Goshen Stampede Inc | Goshen | 501(c)(3) | 2009 | $42,163 | $157,094 | 2025-12 |
| Weevster 18 Inc | Old Greenwich | 501(c)(3) | 2021 | $41,769 | $1,608 | 2025-12 |
| Canaan Foundation Inc | Canaan | 501(c)(3) | 2000 | $41,385 | $374,246 | 2025-06 |
| Maplewood Senior Living Heart Foundation Inc | Westport | 501(c)(3) | 2016 | $40,011 | $7,872 | 2024-12 |
| Ufcw Local 371 Community Charity Inc | Westport | 501(c)(3) | 2010 | $39,698 | $10,015 | 2024-12 |
| Madison Jaycees Foundation Inc | Madison | 501(c)(3) | 2014 | $37,307 | $64,244 | 2025-06 |
| Intercommunity Foundation Inc | East Hartford | 501(c)(3) | 2011 | $36,678 | $1.4 million | 2025-06 |
| Optimus Foundation Inc | Stratford | 501(c)(3) | 2011 | $36,534 | $171,521 | 2025-06 |
| Pink Chair Project Inc | Watertown | 501(c)(3) | 2018 | $36,287 | $100,673 | 2025-12 |
| Rotary Club of Hamden Foundation Inc | Hamden | 501(c)(3) | 1995 | $35,992 | $706,619 | 2025-06 |
| Utopia & Queen of Sheba Benevolent | Hartford | 501(c)(3) | 1998 | $35,343 | $1.2 million | 2025-12 |
| Greater New Haven Business & Professional Association Inc | New Haven | 501(c)(3) | 2025 | $35,100 | $1.8 million | 2024-12 |
| Upffa Charitable Foundation | West Hartford | 501(c)(3) | 2022 | $32,945 | $57,884 | 2025-07 |
| Ryan Martin Foundation Inc | Norwalk | 501(c)(3) | 2012 | $32,694 | $37,729 | 2025-12 |
| Glastonbury Rotary Charitable Corporation Inc | Glastonbury | 501(c)(3) | 2015 | $31,518 | $30,024 | 2025-06 |
| Coach Vic Foundation Inc | Mystic | 501(c)(3) | 2022 | $31,174 | $1,273 | 2024-12 |
| Michael Vincent Sage Dragonheart Foundation Inc | Wallingford | 501(c)(3) | 2012 | $31,000 | $18,247 | 2024-12 |
| Charter Oak Challenge Foundation Inc | Westport | 501(c)(3) | 2002 | $30,503 | $106,758 | 2025-12 |
| Greater Hartford Association of Realtors Foundation Inc | Hartford | 501(c)(3) | 2016 | $30,200 | $131,891 | 2025-06 |
| Friends of Malta House | Norwalk | 501(c)(3) | 2008 | $30,024 | $1.8 million | 2025-06 |
| Dr Hugh RK Barber Obgyn Memorialfoundation Inc | Stamford | 501(c)(3) | 2008 | $29,410 | $343,857 | 2024-12 |
| Alexander Franklin Charitable Foundation | Farmington | 501(c)(3) | 1999 | $29,220 | $27,519 | 2025-12 |
| Watertown Lions Foundation Inc | Watertown | 501(c)(3) | 1996 | $28,067 | $47,198 | 2025-06 |
| Family Security Plan Foundation Inc | Orange | 501(c)(3) | 2016 | $27,856 | $106,728 | 2025-12 |
| The Tyler Hughes Fund | Enfield | 501(c)(3) | 2009 | $27,663 | $296,088 | 2024-12 |
| Princess Ball | Danbury | 501(c)(3) | 2002 | $27,484 | $28,229 | 2025-06 |
| Newtown Rotary Club Foundation | Newtown | 501(c)(3) | 1997 | $21,700 | $165,759 | 2024-06 |
| Patrick W Guerrette Memorial Scholarship Fund Inc | Wallingford | 501(c)(3) | 2025 | $21,436 | $16,436 | 2025-12 |
| Caribbean American Dance Company | Windsor | 501(c)(3) | 2016 | $20,989 | $420 | 2025-12 |
| Watertown Police Department | Watertown | 501(c)(3) | 2015 | $19,680 | $20,585 | 2025-12 |
| Henry Barnard Memorial Fund Inc | Kensington | 501(c)(3) | 2016 | $19,187 | $183,000 | 2025-06 |
| Parent Teacher Organization of the Woodstock Public Schools | Woodstock | 501(c)(3) | 2007 | $18,967 | $56,458 | 2025-08 |
| Danny Wallace Foundation Inc | Trumbull | 501(c)(3) | 2019 | $18,852 | $121,712 | 2024-12 |
| West Haven Rotary Club Foundation Inc | North Haven | 501(c)(3) | 2003 | $18,610 | $324,843 | 2026-06 |
| Cheshire Education Foundation Inc | Cheshire | 501(c)(3) | 1996 | $17,636 | $1.5 million | 2024-12 |
| Tabitha Yao Foundation | Bridgeport | 501(c)(3) | 2022 | $16,630 | $7,203 | 2024-12 |
| Mid-State Realtors Community Foundation | Plainville | 501(c)(3) | 2011 | $16,225 | $17,892 | 2024-12 |
| Wilton Rotary Charitable Foundation | Wilton | 501(c)(3) | 2022 | $16,085 | $81,010 | 2024-12 |
| Jacob Roger Poulin Foundation Inc | Ellington | 501(c)(3) | 2016 | $14,842 | $169,487 | 2025-12 |
| Christian Rakoczy Memorial Fund Inc | Trumbull | 501(c)(3) | 2025 | $13,603 | $5,864 | 2025-12 |
| DK Movement Cares Inc | Bristol | 501(c)(3) | 2023 | $12,292 | $16,351 | 2025-12 |
| Killingly Brooklyn Rotary Club | Danielson | 501(c)(3) | 2012 | $11,070 | $125,830 | 2025-06 |
| Civitan International | Middletown | 501(c)(4) | 2006 | $10,996 | $31,508 | 2025-09 |
| Infused Impact Inc | Orange | 501(c)(3) | 2020 | $10,187 | $828,386 | 2025-12 |
| Tpo Go Cares Inc | Avon | 501(c)(3) | 2015 | $9,104 | $17,879 | 2024-12 |
| Williams Syndrome Charitable Foundation USA Inc | Greenwich | 501(c)(3) | 2017 | $9,049 | $4,701 | 2024-12 |
| Bloomfield Rotary Foundation Inc | Bloomfield | 501(c)(3) | 2010 | $9,018 | $21,022 | 2025-12 |
| Yoruba Community of Connecticut | Bridgeport | 501(c)(3) | 2023 | $7,517 | $42,705 | 2025-12 |
| Julia A Humiston Trust | Cheshire | 501(c)(3) | 1973 | $7,486 | $168,981 | 2025-12 |
| Scholarscripts Inc | Collinsville | 501(c)(3) | 2018 | $5,000 | $55,816 | 2025-12 |
| Cheshires Lights of Hope | Cheshire | 501(c)(3) | 2008 | $4,468 | $61,877 | 2025-06 |
| Wilton Rocks for Food | Wilton | 501(c)(3) | 2021 | $2,776 | $10,102 | 2025-12 |
| Yankee Charitable Foundation | Weatogue | 501(c)(3) | 2000 | $2,663 | $343,837 | 2025-12 |
| Bridgeway Foundation Co | Newtown | 501(c)(3) | 2022 | $2,248 | $151,729 | 2024-12 |
| Lauren E Avezzie Charitable Foundation Inc | Avon | 501(c)(3) | 2011 | $2,033 | $49,656 | 2025-06 |
| Home Builders Association of Hartford County Charitable Foundat | Rocky Hill | 501(c)(3) | 2011 | $1,919 | $49,505 | 2024-12 |
| Benjamins Love Inc | Bristol | 501(c)(3) | 2021 | $1,900 | $146 | 2025-12 |
| WN Foundation Inc | Avon | 501(c)(3) | 2023 | $1,732 | $125,190 | 2025-06 |
| Good Night Sleep Tight PJ Program Inc | Woodbridge | 501(c)(3) | 2021 | $1,144 | $17,386 | 2026-03 |
| Ben Was Here Inc | Southington | 501(c)(3) | 2015 | $1,051 | $56,183 | 2025-12 |
| Generation Ubuntu NFP | Westport | 501(c)(3) | 2008 | $841 | $4,499 | 2024-12 |
| Hedgeye Cares Inc | Stamford | 501(c)(3) | 2015 | $200 | $52,111 | 2024-12 |
| 1772 Foundation Inc | Pomfret Center | 501(c)(3) | 1985 | $81.1 million | 2024-12 | |
| 460 Foundation Inc | Westport | 501(c)(3) | 2005 | $1.1 million | 2025-05 | |
| 522 Foundation Inc | Darien | 501(c)(3) | 2019 | $18 million | 2024-12 | |
| 9 Fruit Foundation Inc | Westport | 501(c)(3) | 2026 | |||
| A & C de Coster Foundation | Greenwich | 501(c)(3) | 2021 | $9.8 million | 2026-01 | |
| A & F Foundation Inc | Danbury | 501(c)(3) | 2026 | $652,981 | 2023-12 | |
| A C T International Inc | South Windsor | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| A Good Laugh Inc | Mystic | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| A James Bach and Vona Hopkins Foundation Inc | New Canaan | 501(c)(3) | 2002 | $1.3 million | 2025-07 | |
| Aaron and Betty Lee Stern Foundation | Greenwich | 501(c)(3) | 2010 | $3.4 million | 2025-12 | |
| Abbas Ambassadors Inc | Ridgefield | 501(c)(3) | 2007 | $408,390 | 2025-12 | |
| Accounting Cornerstone Foundation Inc | Windham | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Acheinu Waterbury Inc | Waterbury | 501(c)(3) | 2026 | |||
| Acucares Foundation | Shelton | 501(c)(3) | 2020 | $2.2 million | 2025-12 | |
| Addison Hines Charitable Trust | Oxford | 501(c)(3) | 2005 | $15.3 million | 2025-12 | |
| Adelman Family Foundation Inc | Meriden | 501(c)(3) | 2001 | $7,622 | 2024-12 | |
| Adolf and Virginia Dehn Foundation | West Hartford | 501(c)(3) | 2005 | $461,202 | 2025-12 | |
| Adolph R Czepiel Memorial Fund | Southington | 501(c)(3) | 2000 | $155,922 | 2025-12 | |
| Afoofa Inc | Fairfield | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Africa2world Foundation | Shelton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Afterparty | Wilton | 501(c)(3) | 2026 | |||
| Agape Foundation Inc | Fairfield | 501(c)(3) | 2006 | $274,333 | 2024-12 | |
| Agrawal Jajodia Foundation | West Hartford | 501(c)(3) | 2016 | $111,940 | 2025-07 | |
| Ahearn Family Foundation | New Canaan | 501(c)(3) | 1995 | $1.5 million | 2024-12 | |
| Ahepa Hartford Foundation Inc | Wethersfield | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Alani Kailani Blue Lotus White Star Foundation | Guilford | 501(c)(3) | 2011 | $8,366 | 2025-12 | |
| Albert and Alice Brunalli Foundation | Southington | 501(c)(3) | 2002 | $805,429 | 2025-12 | |
| Alderman Family Foundation | Salisbury | 501(c)(3) | 2009 | $48,393 | 2025-12 | |
| Alec and Tamar Ellison Family Foundation | Greenwich | 501(c)(3) | 2001 | $411,187 | 2025-12 | |
| Alex Charitable Trust | Woodbridge | 501(c)(3) | 1999 | $476,158 | 2025-12 | |
| Alexander Charitable Foundation Trust | New Haven | 501(c)(3) | 2001 | $2.5 million | 2025-12 | |
| Alexander Family Foundation | Hamden | 501(c)(3) | 2014 | $1.2 million | 2025-12 | |
| Alexander M and Catherine M Wright Trust | Hartford | 501(c)(3) | 2002 | $563,869 | 2025-12 | |
| Alfa Foundation | Greenwich | 501(c)(3) | 2001 | $24.1 million | 2025-12 | |
| All Waste Charitable Foundation | Hartford | 501(c)(3) | 2006 | $461,108 | 2025-12 | |
| Allied Printing Services Charitable Foundation | Manchester | 501(c)(3) | 2008 | $79,710 | 2024-12 | |
| Allwin Family Foundation | Greenwich | 501(c)(3) | 1997 | $1,877 | 2025-12 | |
| Alma Persiani Residuary Trust Uw | Plantsville | 501(c)(3) | 2011 | $397,699 | 2025-12 | |
| Amc Innovative Health Foundation Inc | Stamford | 501(c)(3) | 2025 | $500,000 | 2025-12 | |
| American Friends of Argentinean Yeshivot Inc | Waterbury | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| American Friends of Leo Baeck College Inc | Orange | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| American Savings Foundation Inc | New Britain | 501(c)(3) | 2005 | $107 million | 2025-12 | |
| Amour Propre Fund Inc | New Haven | 501(c)(3) | 2019 | $5.5 million | 2025-12 | |
| Amp Angels Foundation Inc | Bridgeport | 501(c)(3) | 2026 | |||
| An-Noor International Foundation Inc | Milford | 501(c)(3) | 2000 | $985,130 | 2025-06 | |
| Anantaa-Om Foundation | Greenwich | 501(c)(3) | 2015 | $28.1 million | 2024-12 | |
| Andre Elkon Family Foundation | W Hartford | 501(c)(3) | 2022 | $708,430 | 2025-12 | |
| Andre and Elaine Suan Foundation | Darien | 501(c)(3) | 2000 | $27,968 | 2025-12 | |
| Andrew & Margaret Rosinger Foundation | Fairfield | 501(c)(3) | 1997 | $155,978 | 2025-12 | |
| Andrew J & Joyce D Mandell Family Foundation Inc | Newington | 501(c)(3) | 1984 | $4.5 million | 2026-04 | |
| Andrew J Knuth Family Charitable Trust | Weston | 501(c)(3) | 2026 | $5.2 million | 2025-12 | |
| Andrew Schemera Foundation for Life | Stamford | 501(c)(3) | 2007 | $1 | 2024-12 | |
| Andrew and Anna Mae Delia Foundation | Scotland | 501(c)(3) | 2004 | $2.7 million | 2025-12 | |
| Andy Schatz and Barbara Wolf Family Foundation Inc | Westbrook | 501(c)(3) | 2007 | $705,017 | 2023-12 | |
| Anikstein Family Fund Inc | Greenwich | 501(c)(3) | 2017 | $2.4 million | 2024-12 | |
| Ann M and Sultan Ahamed Foundation | Mystic | 501(c)(3) | 1999 | $263,094 | 2025-12 | |
| Ann T Daddario Family Foundation | Trumbull | 501(c)(3) | 2026 | $476,013 | 2026-04 | |
| Anna M Heywood Scholarship Foundation | Bridgewater | 501(c)(3) | 2024 | $2.5 million | 2025-12 | |
| Anne Bianchi Gundersen Foundation | New Haven | 501(c)(3) | 2012 | $2.4 million | 2025-12 | |
| Anne Li McGraw and Charles Robert McGraw Family Foundation Inc | Greenwich | 501(c)(3) | 2019 | $1 | 2025-12 | |
| Anne and Rollin Bates Foundation Inc | Hartford | 501(c)(3) | 2019 | $8.4 million | 2025-12 | |
| Antonicelli Foundation | New Haven | 501(c)(3) | 2026 | |||
| Aphrodite & Peter Skeadas Charitable Foundation Inc | Greenwich | 501(c)(3) | 2024 | |||
| Apotheneum Foundation | Westport | 501(c)(3) | 2026 | |||
| Armstrong Angel Foundation | Riverside | 501(c)(3) | 2016 | $13.1 million | 2024-12 | |
| Arora Foundation Inc | Greenwich | 501(c)(3) | 2007 | $3.2 million | 2025-12 | |
| Arpin Charitable Fund Inc | Essex | 501(c)(3) | 2022 | $3.1 million | 2024-12 | |
| Art of Giving Corporation | Ellington | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Artemis Foundation Inc | Mystic | 501(c)(3) | 2000 | $1.2 million | 2025-12 | |
| Arthur and Claudia Cohen Family Foundation Inc | Westport | 501(c)(3) | 2025 | $2 million | 2024-12 | |
| Asher Family Foundation Inc | Old Greenwich | 501(c)(3) | 1998 | $248,600 | 2025-12 | |
| Ask Family Foundation | Greenwich | 501(c)(3) | 2001 | $55,932 | 2025-12 | |
| Assisi Foundation Inc | Mystic | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Association for Firefighters Inc | Naugatuck | 501(c)(3) | 2024 | |||
| Aton Forest Fellowship Irrevocable Trust | Winsted | 501(c)(3) | 2000 | $445,987 | 2025-12 | |
| August Family Foundation Trust | Greenwich | 501(c)(3) | 2022 | $2,027 | 2024-12 | |
| Avangrid Foundation Inc | Orange | 501(c)(3) | 2002 | $5.5 million | 2025-12 | |
| Avatar Meher Baba Foundation Inc | Bolton | 501(c)(3) | 1998 | $1.5 million | 2025-12 | |
| Avon Lions Charities Inc | Avon | 501(c)(3) | 1999 | $0 | $0 | 2025-06 |
| Azcat Foundation | Greenwich | 501(c)(3) | 2017 | $66.2 million | 2025-12 | |
| B Love Inc | Westport | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| BJ Ryans Foundation Inc | Norwalk | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| BSPC Foundation | Wethersfield | 501(c)(3) | 2007 | $651,590 | 2025-12 | |
| BT Charities Inc | Portland | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Bags To Riches Inc | Riverside | 501(c)(3) | 2026 | |||
| Bailey Farmington Village Green and Library Trust | Farmington | 501(c)(3) | 2010 | $560,596 | 2025-06 | |
| Bailey-Desmet Foundation | Guilford | 501(c)(3) | 2023 | $174,501 | 2025-12 | |
| Bangladesh Society of Connecticut | Middletown | 501(c)(3) | 2018 | $0 | $0 | 2025-09 |
| Bantle & Walker Family Foundation I NC | Rowayton | 501(c)(3) | 2026 | |||
| Barak Zelinsky Foundation Inc | New Haven | 501(c)(3) | 1998 | $994,890 | 2025-12 | |
| Barbara L Thomas Foundation | Killingworth | 501(c)(3) | 2001 | $745,713 | 2025-12 | |
| Barbara Pellegrino Family Charitable Foundation | Guilford | 501(c)(3) | 2017 | $3,246 | 2024-12 | |
| Barbara S and Benjamin M Cardozo Foundation | Westport | 501(c)(3) | 2000 | $236,584 | 2026-04 | |
| Barbara and Edward Netter Foundation Inc | Stamford | 501(c)(3) | 2011 | $1.4 million | 2025-10 | |
| Barbara and Gary Brandt Family Foundation | Greenwich | 501(c)(3) | 2008 | $2.8 million | 2024-12 | |
| Barbara and Gil Kemp Foundation Inc | Darien | 501(c)(3) | 2006 | $738,331 | 2024-12 | |
| Barbetta Family Foundation | Fairfield | 501(c)(3) | 2015 | $3.5 million | 2025-12 | |
| Barbourtown Foundation | West Hartford | 501(c)(3) | 2014 | $526,543 | 2025-05 | |
| Barton Foundation Trust Ua 122895 | Stamford | 501(c)(3) | 1997 | $157,460 | 2025-12 | |
| Bassler Family Foundation Inc | Darien | 501(c)(3) | 2009 | $566,192 | 2024-12 | |
| Baxter Foundation Trust | Westport | 501(c)(3) | 1999 | $390,264 | 2025-12 | |
| Beckerer Foundation Inc | Bridgeport | 501(c)(3) | 1998 | $1.1 million | 2025-12 | |
| Beekley Family Foundation Inc | Moodus | 501(c)(3) | 2001 | $11.2 million | 2025-12 | |
| Befriend-A-Family | Waterford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Believe Your Grreatness Corp | Fairfield | 501(c)(3) | 2023 | $18,901 | 2025-12 | |
| Bellas Hope Foundation Inc | Danbury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Bemc Foundation | Greenwich | 501(c)(3) | 2021 | $33.4 million | 2024-12 | |
| Bennack-Polan Foundation | New Canaan | 501(c)(3) | 2006 | $3.8 million | 2025-11 | |
| Bennett Family Foundation | Guilford | 501(c)(3) | 2016 | $1.9 million | 2024-12 | |
| Berger Family Foundation Inc | Riverside | 501(c)(3) | 2012 | $6.2 million | 2025-12 | |
| Berkley Foundation for Historical Books and Documents | Greenwich | 501(c)(3) | 2024 | $100 million | 2024-12 | |
| Bermel Family Foundation | Simsbury | 501(c)(3) | 2017 | $458,472 | 2025-09 | |
| Bertram Steinman Family Foundation Inc | Westport | 501(c)(3) | 2000 | $1.9 million | 2025-12 | |
| Bethany Lions Charities Inc | Bethany | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| Beyond Yourself Foundation | South Windsor | 501(c)(3) | 2024 | $1 | 2024-12 | |
| Bharat Impact Foundation | Ellington | 501(c)(3) | 2025 | |||
| Bharucha Charitable Foundation | Bridgeport | 501(c)(3) | 2001 | $260,619 | 2025-12 | |
| Bianchi-Barbarotta Foundation Inc | Suffield | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Big Red Memorial Fund Inc | Groton | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Bike Westport | Westport | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Billie & George Ross Foundation Inc | Litchfield | 501(c)(3) | 2003 | $408,412 | 2024-12 | |
| Bimah Foundation | Greenwich | 501(c)(3) | 2012 | $14.5 million | 2024-12 | |
| Bishop Family Foundation Inc | New Canaan | 501(c)(3) | 2025 | $734,239 | 2025-12 | |
| Bittersweet Foundation Inc | Westport | 501(c)(3) | 2010 | $1 | 2025-12 | |
| Black IV Inc | Greenwich | 501(c)(3) | 2019 | $1.2 million | 2025-12 | |
| Blattman Fam Foundation Trust | Norwalk | 501(c)(3) | 2000 | $2,564 | 2025-12 | |
| Blitzer Family Foundation | Old Greenwich | 501(c)(3) | 2014 | $5.2 million | 2024-12 | |
| Blocks of Hope Inc | South Windsor | 501(c)(3) | 2024 | $0 | $0 | 2026-07 |
| Blue Booby Inc | New Haven | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Bluebird Foundation Inc | Mystic | 501(c)(3) | 1999 | $38,980 | 2025-06 | |
| Bluestone Foundation | West Hartford | 501(c)(3) | 1998 | $1.5 million | 2025-12 | |
| Bobs Discount Furniture Charitable Foundation Inc | Oakdale | 501(c)(3) | 1997 | $56,791 | 2025-12 | |
| Boehm Family Foundation Inc | Stamford | 501(c)(3) | 2004 | $1.4 million | 2025-12 | |
| Bogies for the Brave Inc | Newington | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Bok Fam Foundation Trust | Canaan | 501(c)(3) | 2005 | $45.6 million | 2024-12 | |
| Bolduc Schuster Family Foundation | West Hartford | 501(c)(3) | 2022 | $12.4 million | 2025-12 | |
| Bolton Womens Club Inc | Bolton | 501(c)(3) | 2006 | $0 | $0 | 2025-05 |
| Bondi Foundation Inc | Greenwich | 501(c)(3) | 1999 | $7 million | 2025-12 | |
| Boroughs Fam Foundation | Westport | 501(c)(3) | 2007 | $580,876 | 2025-12 | |
| Bottle It Up | Westbrook | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Boyd Family Foundation | Cos Cob | 501(c)(3) | 2006 | $175,211 | 2025-12 | |
| Brackets Club Inc | Killingworth | 501(c)(3) | 2024 | |||
| Bravery Foundation Inc | Windsor Locks | 501(c)(3) | 2026 | |||
| Brendofest Inc | Higganum | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Brent and Courtney Montgomery Family Foundation Inc | Stamford | 501(c)(3) | 2020 | $259 | 2025-12 | |
| Brewer Family Foundation Inc | Rowayton | 501(c)(3) | 2018 | $4.7 million | 2025-12 | |
| Brian J Kelley Foundation for Hope Inc | Branford | 501(c)(3) | 2010 | $1 | 2023-12 | |
| Brian R Bill Legacy Inc | Stamford | 501(c)(3) | 2019 | $66,228 | 2025-12 | |
| Brian and Marilyn Lindsay Foundation Inc | Avon | 501(c)(3) | 2018 | $5,551 | 2025-12 | |
| Bridgeport Kiwanis Club Foundation Inc | Milford | 501(c)(3) | 2000 | $6,597 | 2025-09 | |
| Bridgeport Rotary Club Foundationinc | Shelton | 501(c)(3) | 2007 | $3.7 million | 2025-06 | |
| Bridgewood Fieldwater Foundation | Bridgewater | 501(c)(3) | 1996 | $1.9 million | 2025-10 | |
| Brightwater Fund | Darien | 501(c)(3) | 2010 | $2.3 million | 2025-06 | |
| Brille Family Foundation | Greenwich | 501(c)(3) | 2005 | $83,691 | 2025-12 | |
| Brim Fund | Stamford | 501(c)(3) | 2009 | $662,347 | 2025-12 | |
| Bristol Lions Charities Inc | Bristol | 501(c)(3) | 2005 | $0 | $0 | 2025-06 |
| Bronc Callahan Community Fund Inc | Harwinton | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Brookfield Burke Foundation Inc | Greenwich | 501(c)(3) | 1998 | $205,549 | 2025-12 | |
| Brothers Brook Foundation | Stamford | 501(c)(3) | 2014 | $104.2 million | 2025-12 | |
| Brownstein Family Foundation | Stamford | 501(c)(3) | 2019 | $4,099 | 2025-12 | |
| Brucato Family Foundation Inc | Greenwich | 501(c)(3) | 2021 | $7,282 | 2025-12 | |
| Bruce and Janet Sargent Foundation | Darien | 501(c)(3) | 2000 | $187,840 | 2025-06 | |
| Bruised Camel Charitable Foundation | Greenwich | 501(c)(3) | 2013 | $813,668 | 2024-12 | |
| Brunstad Foundation for Advancement of Law Education & Legal | New Haven | 501(c)(3) | 2014 | $410,253 | 2024-12 | |
| Bryan C Cary Statutory Trust Foundation | Old Greenwich | 501(c)(3) | 2016 | $809,520 | 2024-12 | |
| Bryant Family Foundation Inc | New Canaan | 501(c)(3) | 1999 | $128,038 | 2024-12 | |
| Brzezicki Family Foundation | Wethersfield | 501(c)(3) | 2002 | $1.3 million | 2025-06 | |
| Bullfrogs and Butterflies Foundation Trust | New Canaan | 501(c)(3) | 1998 | $10.2 million | 2025-12 | |
| Bursky Family Foundation | Greenwich | 501(c)(3) | 2025 | $25.3 million | 2024-12 | |
| Burt Family Foundation Inc | Waterford | 501(c)(3) | 2010 | $1.8 million | 2025-12 | |
| Burton & Phyllis Hoffman Foundation Inc | East Hartford | 501(c)(3) | 2000 | $449,183 | 2025-06 | |
| Bussmann Family Foundation Inc | Guilford | 501(c)(3) | 2000 | $988,476 | 2025-06 | |
| C I Baker Global Private Family Fou Ndation | Windsor | 501(c)(3) | 2026 | |||
| CLSJ Foundation Inc | West Hartford | 501(c)(3) | 2000 | $373,283 | 2025-12 | |
| CPPF Inc | Meriden | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| CRC Foundation Corp | East Haven | 501(c)(3) | 2026 | |||
| CT Waverunners | Clinton | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| CTGLC Foundation Inc | Hartford | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| CW Meis Family Foundation Inc | Farmington | 501(c)(3) | 2025 | $40,750 | 2025-12 | |
| Cacouna Foundation Inc | Westport | 501(c)(3) | 2023 | $1 | 2025-12 | |
| Calarco Family Foundation Inc | Woodbridge | 501(c)(3) | 2005 | $1.1 million | 2025-12 | |
| Cameron Family Foundation Inc | Greenwich | 501(c)(3) | 2008 | $564,227 | 2025-09 | |
| Cameron James Neville Foundation Inc | Durham | 501(c)(3) | 2025 | $0 | $0 | 2024-10 |
| Cancer Survivors Who Can Charities Inc | Avon | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Candlewood Farm Arts Foundation | Higganum | 501(c)(3) | 2009 | $19,600 | 2024-12 | |
| Candlewood Lions Charities Inc | Bethel | 501(c)(3) | 2007 | $0 | $0 | 2024-06 |
| Canino Family Charitable Foundation | Hartford | 501(c)(3) | 2009 | $702,600 | 2025-12 | |
| Canton Community Health Fund Inc | Collinsville | 501(c)(3) | 1999 | $890,550 | 2025-12 | |
| Cantonct Lions Charities Inc | Collinsville | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Caplan Fam Foundation Trust Agreement 102700 | Greenwich | 501(c)(3) | 2001 | $478,968 | 2024-12 | |
| Carey Family Foundation | Darien | 501(c)(3) | 2005 | $40.8 million | 2025-06 | |
| Carlson Family Foundation | Essex | 501(c)(3) | 2012 | $1.2 million | 2025-12 | |
| Carol L Sirot Foundation | Guilford | 501(c)(3) | 2001 | $2.3 million | 2025-12 | |
| Carrot Seed Foundation Inc | Bethany | 501(c)(3) | 2017 | $5 million | 2025-12 | |
| Castle Family Foundation | Stonington | 501(c)(3) | 1999 | $206,831 | 2025-12 | |
| Catherine R and Anthony A Clifton Foundation | Stamford | 501(c)(3) | 2001 | $5.9 million | 2025-12 | |
| Cathy Kangas Foundation for Animals Inc | New Canaan | 501(c)(3) | 2018 | $5,600 | 2024-12 | |
| Catic Foundation Inc | Rocky Hill | 501(c)(3) | 2000 | $1.4 million | 2025-12 | |
| Center for Contemporary Domentation Inc | Greenwich | 501(c)(3) | 2023 | $105,327 | 2025-12 | |
| Chace J Wood Memorial Scholarship Trust | Danielson | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Chaikin-Wile Foundation Inc | Bloomfield | 501(c)(3) | 1996 | $649,984 | 2024-12 | |
| Chambers Family Foundation | Southport | 501(c)(3) | 2014 | $7.6 million | 2024-12 | |
| Chaney Family Foundation Inc | Guilford | 501(c)(3) | 2005 | $843,655 | 2025-12 | |
| Charles D Fleischman Charitable Trust | Oxford | 501(c)(3) | 2023 | $14.3 million | 2025-12 | |
| Charles H Weinman Foundation for Developing Minds | Weston | 501(c)(3) | 2000 | $420,659 | 2025-12 | |
| Charles H and Melanie K Berman Foundation | Stamford | 501(c)(3) | 2005 | $942,666 | 2025-12 | |
| Charles and Brenda Block Family Foundation | West Hartford | 501(c)(3) | 2023 | $1 | 2025-12 | |
| Charles and Ellen Cogut Family Foundation Inc | South Kent | 501(c)(3) | 1996 | $1.4 million | 2024-12 | |
| Charley With A Y Foundation Inc | Westport | 501(c)(3) | 2011 | $0 | $0 | 2025-07 |
| Charter Oak Fools Inc | Weatogue | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Chase Collegiate School Foundation Inc | Waterbury | 501(c)(3) | 2019 | $11.6 million | 2025-06 | |
| Chelsea Groton Foundation | Groton | 501(c)(3) | 1999 | $10.4 million | 2025-12 | |
| Cherry Family Foundation | West Hartford | 501(c)(3) | 2014 | $776,677 | 2025-06 | |
| Cheryl Chase and Stuart Bear Fam Foundation Inc | Hartford | 501(c)(3) | 2000 | $1.6 million | 2025-09 | |
| Chesed Shel Emes of CT | Waterbury | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Childless Mother Foundation Corporation | New Haven | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Children Helping Children Association | Riverside | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Childrens Open Charitable Trust Inc | Trumbull | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Chilton Trust Foundation Inc | Stamford | 501(c)(3) | 2020 | $13,804 | 2025-12 | |
| Christ Mission International Inc | Danbury | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Christian J and Eva W Trefz Family Foundation Inc | Westport | 501(c)(3) | 2014 | $125,021 | 2025-06 | |
| Christine Anderson Family Foundation | New Britain | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Christopher Corgan Memorial Fund | Clinton | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Chu Family Foundation | New Canaan | 501(c)(3) | 2009 | $29,681 | 2024-12 | |
| Chutjian Foundation | New Canaan | 501(c)(3) | 2006 | $727,001 | 2024-12 | |
| Chuza Foundation | Darien | 501(c)(3) | 1998 | $210,372 | 2024-12 | |
| Cindy Lynn Sherwin Memorialfoundation | Guilford | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Citrone Foundation Inc | Norwalk | 501(c)(3) | 2015 | $134,248 | 2024-12 | |
| Civitan International | Middletown | 501(c)(3) | 2006 | $0 | $0 | 2023-12 |
| Claire L Helsing Foundation | Stamford | 501(c)(3) | 2015 | $2.4 million | 2024-12 |
Every nonprofit in Connecticut
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.