Data / Nonprofits / Connecticut / Community improvement and capacity building
Community improvement and capacity building nonprofits in Connecticut: 740 registered with the IRS
740 community improvement and capacity building nonprofits are registered with the IRS in Connecticut, 461 of them 501(c)(3) charities; the 262 that report revenue took in $716.9 million. The most are in Hartford (68), New Haven (55), Stamford (24). The largest by revenue: Common Fund for Non-Profit Organizations ($288.7 million), LL Global Inc ($59.7 million), Connecticut Institute for Communities Inc ($41.4 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Common Fund for Non-Profit Organizations | Wilton | 501(c)(3) | 1970 | $288.7 million | $3.73 billion | 2025-06 |
| LL Global Inc | Windsor | 501(c)(6) | 2008 | $59.7 million | $84.1 million | 2024-12 |
| Connecticut Institute for Communities Inc | Danbury | 501(c)(3) | 2004 | $41.4 million | $30.2 million | 2024-12 |
| Thames Valley Council for Community Action Inc | Jewett City | 501(c)(3) | 1965 | $39.5 million | $13.6 million | 2025-03 |
| Network Inc | Andover | 501(c)(3) | 1991 | $26.1 million | $20 million | 2025-06 |
| Corporation for Public Management | Enfield | 501(c)(3) | 1983 | $16.9 million | $8 million | 2025-06 |
| The Community Action Agency of Western Connecticut Inc | Danbury | 501(c)(3) | 1967 | $14.1 million | $4.9 million | 2025-12 |
| Winton Industrial Center Inc | Hartford | 501(c)(25) | 2001 | $12.2 million | $236.2 million | 2025-06 |
| John Paul II Shrine and Institute Inc | New Haven | 501(c)(3) | 1989 | $12.1 million | $48.7 million | 2024-12 |
| 330 North Brand Inc | Hartford | 501(c)(25) | 2005 | $9.8 million | $69.3 million | 2025-06 |
| Blue Hills Civic Association Incorporated | Hartford | 501(c)(3) | 1969 | $7.8 million | $1 million | 2024-06 |
| Conncorp LLC | New Haven | 501(c)(3) | 2022 | $7.4 million | $81.2 million | 2024-12 |
| Connstep Inc | Hartford | 501(c)(3) | 2000 | $7.3 million | $6.7 million | 2025-06 |
| Science Park Development Corporation | New Haven | 501(c)(3) | 1982 | $6.7 million | $15.6 million | 2024-12 |
| Midnight Sun Inc | Hartford | 501(c)(25) | 2005 | $6.5 million | $189.5 million | 2025-06 |
| International Association of Contract and Commercial Managers I | Ridgefield | 501(c)(6) | 2000 | $5.9 million | $2.4 million | 2025-12 |
| Communicare Inc | North Haven | 501(c)(3) | 1997 | $5.8 million | $1.4 million | 2025-06 |
| Greenwich Town Party Inc | Old Greenwich | 501(c)(3) | 2012 | $5.7 million | $1.7 million | 2025-06 |
| Forge City Works | Hartford | 501(c)(3) | 2008 | $5.6 million | $2.4 million | 2025-12 |
| Virginia Square Office Corporation | Hartford | 501(c)(25) | 2005 | $5.5 million | $36.4 million | 2025-06 |
| Memphis Industrial Park Investors Inc | Hartford | 501(c)(6) | 2001 | $5 million | $69.2 million | 2025-06 |
| Westford Valley Marketplace Inc | Hartford | 501(c)(25) | 2000 | $5 million | $56.5 million | 2025-06 |
| Waterbury Development Corporation | Waterbury | 501(c)(3) | 2000 | $4.7 million | $8.4 million | 2025-06 |
| Northeast Community Innovation Corp | Norwalk | 501(c)(3) | 2016 | $4.3 million | $20.4 million | 2025-06 |
| Hedco Inc | Hartford | 501(c)(3) | 2001 | $4 million | $35.8 million | 2025-05 |
| Metrohartford Alliance Inc | Hartford | 501(c)(6) | 2002 | $3.8 million | $15.6 million | 2025-12 |
| Hockanum Valley Community Council Inc | Vernon | 501(c)(3) | 1972 | $3.8 million | $687,775 | 2025-06 |
| Norwich Community Development Corporation Inc | Norwich | 501(c)(3) | 1983 | $3.8 million | $4.7 million | 2025-06 |
| Midnight Sun Inc II | Hartford | 501(c)(25) | 2008 | $3.5 million | $114 million | 2025-06 |
| Chrysalis Center Real Estate Corporation | Hartford | 501(c)(25) | 2004 | $3.2 million | $46.1 million | 2025-06 |
| Midnight Sun Inc IV | Hartford | 501(c)(25) | 2008 | $3.1 million | $107.5 million | 2025-06 |
| Housing Telecommunications Inc | Cheshire | 501(c)(3) | 1998 | $3 million | $1 million | 2024-12 |
| Sporting Arms and Ammunition Manufacturers Institute Inc | Shelton | 501(c)(6) | 2006 | $2.7 million | $11.9 million | 2025-03 |
| Midnight Sun Inc V | Hartford | 501(c)(25) | 2008 | $2.7 million | $106.2 million | 2025-06 |
| Community Economic Development Fund Foundation Inc | Meriden | 501(c)(3) | 1994 | $2.3 million | $22.1 million | 2024-12 |
| Southside Institutions Neighborhood Alliance Inc | Hartford | 501(c)(3) | 1979 | $2.1 million | $8.1 million | 2024-12 |
| Greater Dwight Community Investment Corporation | New Haven | 501(c)(3) | 1998 | $2.1 million | $10.4 million | 2025-06 |
| New England Business Growth Collective Inc | New Haven | 501(c)(3) | 1980 | $1.9 million | $2.7 million | 2024-12 |
| Dae Inc | New Haven | 501(c)(3) | 2018 | $1.9 million | $1.7 million | 2025-06 |
| Western Connecticut Coalition Inc | Watertown | 501(c)(3) | 1994 | $1.9 million | $1 million | 2025-06 |
| Hartford Community Loan Fund Inc | Hartford | 501(c)(3) | 1995 | $1.9 million | $24.7 million | 2025-06 |
| Winston Park Center Inc A Delaware Corp | Hartford | 501(c)(25) | 1999 | $1.8 million | $20.4 million | 2025-06 |
| Cil Community Resources Incorporated | Hartford | 501(c)(3) | 2009 | $1.7 million | $28.9 million | 2025-06 |
| Connecticut State Dental Association Inc | Southington | 501(c)(6) | 1945 | $1.7 million | $5.9 million | 2025-06 |
| Darien Community Association Inc | Darien | 501(c)(3) | 1967 | $1.7 million | $3.2 million | 2025-05 |
| Jericho Partnership Inc | Danbury | 501(c)(3) | 2006 | $1.7 million | $923,882 | 2025-08 |
| Upper Albany Neighborhood Collaborative Inc | Hartford | 501(c)(3) | 1995 | $1.7 million | $33,259 | 2025-06 |
| Midnight Sun Inc VII | Hartford | 501(c)(25) | 2008 | $1.5 million | $31.8 million | 2025-06 |
| Regional Data Cooperative for Greater New Haven Inc | New Haven | 501(c)(3) | 2000 | $1.5 million | $420,838 | 2024-12 |
| Midnight Sun Inc III | Hartford | 501(c)(25) | 2008 | $1.5 million | $54.3 million | 2025-06 |
| Black Business Alliance Inc | Milford | 501(c)(6) | 2016 | $1.3 million | $392,498 | 2024-12 |
| Northeast Neighborhood Partners Inc | Hartford | 501(c)(3) | 2011 | $1.3 million | $5.7 million | 2024-12 |
| Westport Rotary Club Foundation Inc | Westport | 501(c)(3) | 2022 | $1.2 million | $496,985 | 2025-06 |
| New Haven-Urban Resources Initiative Inc | New Haven | 501(c)(3) | 1993 | $1.1 million | $1.7 million | 2025-12 |
| Midnight Sun Inc VIII | Hartford | 501(c)(25) | 2011 | $1.1 million | $46.9 million | 2025-06 |
| Near & Far Aid Association Inc | Southport | 501(c)(3) | 1973 | $1.1 million | $1.8 million | 2025-06 |
| New Haven Middlesex Association of Realtors | Guilford | 501(c)(6) | 2016 | $1.1 million | $3.2 million | 2024-12 |
| Norwalk Acts Inc | Norwalk | 501(c)(3) | 2019 | $1 million | $878,807 | 2025-06 |
| Junior League of Stamford Norwalk Inc | Norwalk | 501(c)(3) | 1942 | $1 million | $1.1 million | 2025-05 |
| Greater Waterbury Chamber of Commerce Foundation Inc | Waterbury | 501(c)(3) | 1983 | $1 million | $744,918 | 2025-03 |
| New Haven Innovation Labs Inc | Cheshire | 501(c)(3) | 2022 | $978,044 | $169,540 | 2024-12 |
| Connecticut Dermatology Nurse PRACTITIONERS&PHYSICIAN Assistants | Newtown | 501(c)(6) | 2022 | $965,640 | $600,848 | 2024-12 |
| Bristol Neighborhood Development Corp | Bristol | 501(c)(3) | 2019 | $933,661 | $3.6 million | 2024-12 |
| Connecticut Main Street Center Inc | Hartford | 501(c)(3) | 2000 | $932,238 | $358,716 | 2025-06 |
| Go Addressable Inc | Stamford | 501(c)(6) | 2025 | $873,798 | $262,662 | 2025-12 |
| Connecticut Alliance To Benefit Law Enforcement Inc | Newington | 501(c)(3) | 2003 | $857,790 | $460,348 | 2024-12 |
| Connecticut Project Inc | Ridgefield | 501(c)(3) | 2022 | $784,628 | $5.1 million | 2024-12 |
| Stamford Rotary Trust Fund | Stamford | 501(c)(3) | 1962 | $765,768 | $2.2 million | 2025-06 |
| Village Community Foundation Inc | Stamford | 501(c)(3) | 2022 | $722,088 | $90,226 | 2025-12 |
| Westport Downtown Association Inc | Westport | 501(c)(3) | 2021 | $708,633 | $207,652 | 2026-01 |
| Aerospace Components Manufacturers Inc | East Hartford | 501(c)(6) | 2001 | $640,523 | $862,980 | 2025-12 |
| Greater Dwight Development Corporation | New Haven | 501(c)(3) | 1996 | $608,745 | $3 million | 2025-06 |
| Financial Executives Networking Group Inc | Weston | 501(c)(3) | 2000 | $561,258 | $192,546 | 2025-12 |
| Iquilt Partnership Inc | Hartford | 501(c)(3) | 2011 | $543,214 | $423,368 | 2025-06 |
| Connecticut Apartment Association | West Hartford | 501(c)(6) | 2013 | $525,380 | $951,731 | 2025-06 |
| Clay Arsenal Community Development Corporation | Hartford | 501(c)(3) | 2023 | $512,390 | $678,899 | 2025-12 |
| Congregations Organized for A New Connecticut Inc | Hamden | 501(c)(3) | 1995 | $511,904 | $633,655 | 2024-12 |
| Ce12 Foundation | Darien | 501(c)(3) | 2013 | $511,438 | $726,472 | 2025-12 |
| Greater Norwalk Chamber of Commerce Inc | Norwalk | 501(c)(6) | 1943 | $506,304 | $691,394 | 2026-03 |
| Rowayton Civic Association Inc | Rowayton | 501(c)(3) | 1991 | $499,477 | $288,474 | 2024-12 |
| Market New Haven Inc | New Haven | 501(c)(6) | 2000 | $497,163 | $930,170 | 2025-06 |
| Turnover Shop of Wilton Inc | Wilton | 501(c)(3) | 1992 | $493,134 | $185,719 | 2025-12 |
| Club Management Association of America Connecticut Chapter Inc | Greenwich | 501(c)(6) | 2020 | $485,130 | $120,198 | 2025-10 |
| Northside Institutions Neighborhood Alliance Inc | Hartford | 501(c)(3) | 2003 | $477,299 | $1.1 million | 2025-12 |
| Southbury Junior Womens Club | Southbury | 501(c)(3) | 2014 | $472,801 | $12,891 | 2025-02 |
| Norwalk Housing Foundation Inc | Norwalk | 501(c)(3) | 2000 | $457,347 | $1.3 million | 2025-03 |
| Economic Development Corporation of New Haven | New Haven | 501(c)(3) | 2008 | $453,860 | $986,022 | 2024-12 |
| East Haddam Youth and Family Services Inc | Moodus | 501(c)(3) | 1996 | $449,866 | $533,199 | 2025-06 |
| Cifc 120 Main Holding Corp | Danbury | 501(c)(2) | 2013 | $418,085 | $17.9 million | 2024-12 |
| Construction Institute Inc | Meriden | 501(c)(3) | 2020 | $415,149 | $124,818 | 2024-12 |
| North American Association of Subway Franchisees Inc | Fairfield | 501(c)(6) | 2014 | $413,130 | $625,622 | 2024-12 |
| Fairfield Chamber of Commerce Inc | Fairfield | 501(c)(6) | 1976 | $412,444 | $213,759 | 2025-06 |
| Peoples Place | Waterbury | 501(c)(3) | 2023 | $412,013 | $539,250 | 2024-12 |
| Central Regional Tourism District Inc | Middletown | 501(c)(3) | 1995 | $400,743 | $170,424 | 2025-06 |
| Tubular Exchanger MFRS Association Inc | Fairfield | 501(c)(6) | 2000 | $398,183 | $844,776 | 2025-06 |
| Hartford Renaissance District Community Development Corporation | Hartford | 501(c)(3) | 2024 | $389,624 | $319,321 | 2024-12 |
| Groundwork Bridgeport Inc | Bridgeport | 501(c)(3) | 2000 | $377,786 | $173,327 | 2024-12 |
| Hartfordsgottalent Inc | East Hartford | 501(c)(3) | 2019 | $369,724 | $44,913 | 2024-12 |
| Womens Mentoring Network Inc | Stamford | 501(c)(3) | 1997 | $368,829 | $480,095 | 2025-06 |
| Black Infinity Collective Inc | Hamden | 501(c)(3) | 2022 | $364,609 | $32,980 | 2023-06 |
| New Haven Rising | New Haven | 501(c)(4) | 2014 | $364,117 | $93,021 | 2024-12 |
| The Connecticut Renaissance Fund Inc | Shelton | 501(c)(3) | 1990 | $355,394 | $2.6 million | 2025-06 |
| Naugatuck Valley Project Inc | Waterbury | 501(c)(3) | 1988 | $349,661 | $120,304 | 2025-08 |
| Soldier Strong Access | Stamford | 501(c)(4) | 2019 | $348,239 | $296,058 | 2025-12 |
| Real Estate Finace Association of Connecticut | Bloomfield | 501(c)(6) | 2002 | $336,352 | $390,424 | 2024-12 |
| Junior League of Greenwich Conn Inc | Greenwich | 501(c)(3) | 1961 | $315,639 | $2.4 million | 2025-06 |
| Pioneering With Passion Ministries PPM Inc | Wolcott | 501(c)(3) | 2014 | $315,223 | $52,008 | 2024-12 |
| Global Coalition On Sustainability Fka Us Coalition On Sustainability | Westport | 501(c)(3) | 2020 | $306,707 | $125,665 | 2024-12 |
| Clinton Cemetery Association Inc | Clinton | 501(c)(13) | 2016 | $282,136 | $2.9 million | 2024-12 |
| Advocacy To Legacy | Hartford | 501(c)(3) | 2017 | $277,310 | $211,517 | 2025-12 |
| Greater Norwich Area Chamber of Commerce Incorporated | Norwich | 501(c)(6) | 2004 | $268,769 | $192,579 | 2025-06 |
| Upper Albany Main Street Program Inc | Hartford | 501(c)(3) | 2002 | $267,859 | $76,796 | 2025-06 |
| Redwood Endeavors Inc | Wilton | 501(c)(3) | 2025 | $264,653 | $234,932 | 2025-12 |
| Connecticut Association of Ambulatory Surgery Centers Inc | Avon | 501(c)(6) | 2005 | $249,950 | $435,483 | 2024-12 |
| Friends of the Greenwich Senior Center Inc | Greenwich | 501(c)(3) | 2010 | $249,644 | $5.7 million | 2025-08 |
| Hartford Next Inc | Hartford | 501(c)(3) | 2006 | $243,686 | $237,931 | 2024-12 |
| Shoreline Chamber of Commerce Guilford Branford Alliance Inc | Guilford | 501(c)(6) | 2012 | $240,691 | $20,137 | 2025-12 |
| 698 South Main Street Inc | Waterbury | 501(c)(3) | 2018 | $232,122 | $8.5 million | 2025-06 |
| Plaza Terrace Mutual Housing Association Inc | Hartford | 501(c)(3) | 1995 | $226,362 | $679,298 | 2024-12 |
| Junior League of Hartford Incorporated | West Hartford | 501(c)(3) | 1935 | $225,804 | $751,253 | 2025-05 |
| Credit Roundtable Association | Fairfield | 501(c)(6) | 2020 | $221,524 | $547,491 | 2025-12 |
| Friends of Ridgefield Community Programs Inc | Ridgefield | 501(c)(3) | 2003 | $216,980 | $11,994 | 2025-06 |
| Headmasters Association | Watertown | 501(c)(4) | 2002 | $212,216 | $171,434 | 2025-09 |
| New Milford Economic Development Corporation | New Milford | 501(c)(3) | 2012 | $211,809 | $65,136 | 2025-06 |
| Local Union 488 Ibew Building Corporation | Monroe | 501(c)(2) | 2010 | $211,292 | $5.5 million | 2025-12 |
| Greenwich Association of Realtors Community Foundation Inc | Greenwich | 501(c)(3) | 2023 | $210,465 | $105,665 | 2024-12 |
| Family Life Lifters Inc | Bloomfield | 501(c)(3) | 2020 | $205,771 | $60,931 | 2024-12 |
| Eastern Seaboard Apprenticeship Conference Inc | Wallingford | 501(c)(6) | 2000 | $199,282 | $100,764 | 2024-12 |
| Benincasa Community Inc | Guilford | 501(c)(3) | 2016 | $190,331 | $474,665 | 2026-07 |
| Connecticut Trauma Conference Inc | Cromwell | 501(c)(6) | 2006 | $186,134 | $114,566 | 2025-06 |
| 100 Black Men of Stamford Inc | Stamford | 501(c)(3) | 1994 | $185,610 | $274,097 | 2024-12 |
| Riverfront Land Inc | Hartford | 501(c)(3) | 2022 | $185,103 | $1.6 million | 2025-12 |
| Connecticut Tax Collectors Association Inc | Milford | 501(c)(3) | 2006 | $183,784 | $110,627 | 2024-12 |
| The Madison Chamber of Commerce | Madison | 501(c)(6) | 1984 | $178,172 | $227,532 | 2025-12 |
| Bridgeport Generation Now Inc | Bridgeport | 501(c)(3) | 2017 | $177,320 | $143,954 | 2025-09 |
| The Annex Young Mens Association Incorporated | New Haven | 501(c)(4) | 1999 | $171,537 | $165,297 | 2025-12 |
| Connecticut Chapter of Professional Women in Construction | New Haven | 501(c)(3) | 2005 | $170,973 | $199,668 | 2025-06 |
| Real Estate Research Institute | Hartford | 501(c)(3) | 1988 | $167,776 | $452,432 | 2024-12 |
| Meals-On-Wheels of New Canaan Inc | New Canaan | 501(c)(3) | 1990 | $167,131 | $695,930 | 2025-06 |
| New Colony Development Corporation | Hamden | 501(c)(3) | 2017 | $166,553 | $65,775 | 2025-06 |
| Father Coleman Foundation of Fair Field Inc | Fairfield | 501(c)(4) | 2016 | $161,313 | $4.2 million | 2024-12 |
| Financial Planning Association | East Haven | 501(c)(6) | 2000 | $159,503 | $94,126 | 2025-12 |
| Rain Collective Incorporated | Berlin | 501(c)(3) | 2022 | $156,075 | $22,884 | 2025-12 |
| 06880 Inc | Westport | 501(c)(3) | 2022 | $152,229 | $83,755 | 2025-12 |
| Gxila Foundation Trust | Unionville | 501(c)(3) | 2024 | $145,628 | $286,695 | 2024-12 |
| Orange Economic Development Corp | Orange | 501(c)(3) | 2000 | $145,376 | $122,284 | 2025-12 |
| Atelier for Community Transformation | Stamford | 501(c)(3) | 2021 | $144,677 | $116,051 | 2024-12 |
| Society for Information Management Fairfield Westchester Inc | Stratford | 501(c)(6) | 2024 | $143,526 | $191,099 | 2025-12 |
| Winston Ireland Corporaton | New Haven | 501(c)(3) | 2014 | $140,918 | $436,506 | 2025-06 |
| Panel of National Pathology Leaders | Woodbridge | 501(c)(6) | 2022 | $135,807 | $17,386 | 2025-12 |
| Connecticut Masonry Industry Advancement Fund Inc | Granby | 501(c)(6) | 1984 | $133,286 | $271,101 | 2024-12 |
| Friends of Westport Parks and Recreation Inc | Westport | 501(c)(3) | 2014 | $130,614 | $393,837 | 2025-12 |
| Connecticut Physical Therapy Association Inc | Tolland | 501(c)(6) | 2017 | $128,663 | $72,066 | 2024-12 |
| Rotary Foundation of the Stoningtons Inc | Stonington | 501(c)(3) | 2000 | $126,815 | $220,494 | 2025-06 |
| Womens Transportation Seminar | Newington | 501(c)(6) | 1980 | $125,468 | $100,902 | 2025-12 |
| American College of Healthcare Executives | Greenwich | 501(c)(6) | 1983 | $123,991 | $161,998 | 2025-12 |
| Connecticut Lodging Association Inc | Old Saybrook | 501(c)(6) | 1974 | $119,125 | $134,865 | 2025-09 |
| Startup Westport Inc | Westport | 501(c)(3) | 2024 | $118,216 | $95,521 | 2025-12 |
| Soundview Empowerment Alliance Inc | Westport | 501(c)(3) | 2022 | $117,984 | $1.6 million | 2025-12 |
| Rmcaana Inc | Glastonbury | 501(c)(3) | 2024 | $113,376 | $79,251 | 2025-12 |
| National Exchange Club | Norwalk | 501(c)(4) | 1950 | $113,361 | $78,097 | 2024-12 |
| The St Margaret Willow Plaza Neighborhood Revitalization Zone | Waterbury | 501(c)(3) | 2003 | $111,872 | $827,408 | 2024-12 |
| Wire & Cable Manufacturers Alliance Inc | Wethersfield | 501(c)(6) | 2005 | $111,750 | $150,763 | 2024-12 |
| Stonington Village Improvement Association Incorporated | Stonington | 501(c)(3) | 1953 | $111,279 | $366,239 | 2026-03 |
| Connecticut Chapter of the American Coll of Health Care Administr Inc | Middletown | 501(c)(6) | 2011 | $110,154 | $164,974 | 2025-03 |
| MWH Holdings Inc | New Haven | 501(c)(2) | 2002 | $108,680 | $415,568 | 2025-09 |
| Connecticut Brewers Guild Inc | Canterbury | 501(c)(6) | 2013 | $107,421 | $3,250 | 2022-12 |
| Things Matter | Orange | 501(c)(3) | 2022 | $105,362 | $2,292 | 2024-12 |
| Business-Industry Foundation of Western Connecticut Inc | Danbury | 501(c)(3) | 2004 | $104,302 | $86,208 | 2025-09 |
| Amity Chamber of Commerce | Orange | 501(c)(6) | 2007 | $102,756 | $51,666 | 2025-12 |
| Simsbury Main Street Partnership Inc | Simsbury | 501(c)(3) | 1996 | $99,640 | $72,266 | 2023-12 |
| Kent Chamber of Commerce Inc | Kent | 501(c)(6) | 2003 | $98,776 | $39,338 | 2025-12 |
| Connecticut Franchisee Association Inc | Meriden | 501(c)(6) | 2019 | $98,500 | $40,990 | 2025-12 |
| Call A Ride of Greenwich | Greenwich | 501(c)(3) | 1992 | $94,533 | $689,029 | 2025-06 |
| Junior League of Eastern Fairfield County Inc | Fairfield | 501(c)(3) | 1934 | $90,740 | $267,127 | 2025-06 |
| Sunny Reach Property Owners Association Inc | West Hartford | 501(c)(4) | 2012 | $90,703 | $376,122 | 2025-12 |
| Cara Holdings Inc | Hartford | 501(c)(2) | 2015 | $89,446 | $1 million | 2025-08 |
| The Exchange Club of New Canaan Connecticut Inc | New Canaan | 501(c)(4) | 2023 | $89,166 | $41,546 | 2025-06 |
| Central Connecticut Board No 6 Inc | West Hartford | 501(c)(6) | 2020 | $88,992 | $46,256 | 2025-06 |
| Project Management Institute | West Hartford | 501(c)(6) | 2001 | $88,730 | $146,754 | 2024-12 |
| Wilton Kiwanis Foundation Inc | Wilton | 501(c)(3) | 1988 | $88,440 | $48,279 | 2025-09 |
| The Community Fire Company of North | N Grosvenordl | 501(c)(4) | 2013 | $88,192 | $491,272 | 2025-06 |
| Torrington Development Corporation | Torrington | 501(c)(4) | 2006 | $87,812 | $60,519 | 2025-06 |
| Police Officer Association of Connecticut | East Granby | 501(c)(6) | 2022 | $87,528 | $11,256 | 2025-12 |
| Hezekiah Beardsley CT Chapter American Academy of Pediatric | Hartford | 501(c)(6) | 2022 | $86,581 | $51,078 | 2025-06 |
| Friends of Newtown Community Center Inc | Newtown | 501(c)(3) | 2019 | $86,355 | $200,215 | 2024-12 |
| Hayes-Velhage Post No 96 Holding Company | West Hartford | 501(c)(2) | 2019 | $84,520 | $1.4 million | 2025-09 |
| Norwich Rotary Foundation Inc | Bozrah | 501(c)(3) | 1993 | $82,454 | $541,177 | 2025-06 |
| Commons Community Development Corporation | Hebron | 501(c)(3) | 2022 | $81,861 | $420,449 | 2025-12 |
| The Connecticut Chapter of the American College of Surgeons | Stamford | 501(c)(6) | 2006 | $81,830 | $22,093 | 2025-12 |
| Connecticut State Chapter of the Asmbs Inc | Redding | 501(c)(6) | 2012 | $80,192 | $63,003 | 2024-12 |
| Connecticut Vineyard and Winery Association Inc | West Hartford | 501(c)(6) | 2001 | $78,387 | $110,073 | 2025-12 |
| Sasquanaug Association for Southport Improvement Inc | Southport | 501(c)(3) | 2021 | $77,979 | $435,751 | 2024-12 |
| Iaabo Board 10 Inc | Orange | 501(c)(6) | 2021 | $77,524 | $50,377 | 2025-12 |
| Ua Legacy Fund Inc | East Hartford | 501(c)(3) | 2021 | $77,493 | $2.2 million | 2025-12 |
| Casualty Actuaries of New England | West Hartford | 501(c)(6) | 2008 | $76,943 | $49,078 | 2025-12 |
| Section of Dermatology of the Connecticut State Medical Society | Plantsville | 501(c)(6) | 2005 | $73,891 | $89,257 | 2025-12 |
| Rotary International | Westport | 501(c)(4) | 2022 | $73,328 | $16,360 | 2025-06 |
| Wwire Inc | Westport | 501(c)(6) | 2023 | $71,512 | $1 | 2024-12 |
| Connecticut Womens Council Inc | West Hartford | 501(c)(6) | 2006 | $64,787 | $22,539 | 2025-12 |
| Renew East Lyme Inc | Niantic | 501(c)(3) | 2001 | $63,995 | $96,896 | 2025-06 |
| Connecticut Cpcu Society Chapter Inc | Cheshire | 501(c)(6) | 2014 | $63,507 | $77,945 | 2025-12 |
| Connecticut Naturopathic Physcians Association Inc | Newtown | 501(c)(6) | 2007 | $61,381 | $58,159 | 2024-12 |
| Naugatuck Economic Development Corporation | Naugatuck | 501(c)(3) | 2004 | $60,550 | $65,637 | 2026-06 |
| Association for Women in Psychology | Weatogue | 501(c)(3) | 1988 | $59,756 | $85,816 | 2025-12 |
| Norfolk Community Association Inc | Norfolk | 501(c)(3) | 1984 | $57,558 | $95,816 | 2025-12 |
| Putnam Business Association Inc | Putnam | 501(c)(6) | 2014 | $56,859 | $31,812 | 2025-12 |
| Our Community Heros Inc | Guilford | 501(c)(3) | 2022 | $56,001 | $113,332 | 2024-12 |
| Maria S S Della Libera Title Holding Company | Hartford | 501(c)(2) | 2004 | $55,680 | $29,751 | 2025-12 |
| Alliance for Intercollegiate Sports Medicine Inc | Storrs | 501(c)(6) | 2009 | $55,250 | $3,800 | 2024-12 |
| Childrens League of Connecticut Inc | Glastonbury | 501(c)(6) | 2005 | $55,000 | $61,428 | 2025-12 |
| Association of Educational Service Agencies Foundation | Cheshire | 501(c)(3) | 2000 | $53,795 | $152,435 | 2025-06 |
| Cabo Inc | Hartford | 501(c)(6) | 2024 | $53,179 | $24,268 | 2024-12 |
| Bridgeport Generation Now Votes | Bridgeport | 501(c)(4) | 2020 | $52,114 | $31,407 | 2025-09 |
| Connecticut Onsite Wastewater Recycling Association Inc | East Hampton | 501(c)(6) | 2010 | $51,726 | $32,240 | 2025-12 |
| Network of Executive Women of Milford Inc | Milford | 501(c)(6) | 2014 | $50,438 | $41,088 | 2024-06 |
| Chapel College Marketing Fund Inc | New Haven | 501(c)(6) | 2007 | $47,009 | $61,062 | 2025-06 |
| First Town Downtown Inc | Windsor | 501(c)(3) | 1997 | $46,723 | $85,937 | 2025-06 |
| American Subcontractors Association of Connecticut Inc | Bloomfield | 501(c)(6) | 2001 | $46,255 | $2,624 | 2025-06 |
| Association of College and University Policy Administrators | Cromwell | 501(c)(6) | 2016 | $45,747 | $150,767 | 2025-12 |
| Hundred Year Association of New York Inc | Monroe | 501(c)(3) | 1993 | $43,160 | $167,388 | 2025-12 |
| Outdoor Advertising Association of Connecticut Inc | West Haven | 501(c)(6) | 2006 | $42,944 | $10,273 | 2025-06 |
| Hoc Realty | New Haven | 501(c)(3) | 2015 | $42,925 | $8,524 | 2025-12 |
| Association of Divorce Financial Planners Inc | Greenwich | 501(c)(6) | 2017 | $40,730 | $103,588 | 2025-12 |
| Wilton Womens Club Inc | Wilton | 501(c)(3) | 2002 | $38,112 | $52,328 | 2026-05 |
| South Asian Bar Association of Connecticut Inc | Wethersfield | 501(c)(6) | 2022 | $36,626 | $76,243 | 2025-12 |
| Healing Tree Economic Development Inc | Bridgeport | 501(c)(3) | 1997 | $34,370 | $45,070 | 2024-12 |
| Hispanic Chamber of Commerce of Greater Bridgeport Inc | Bridgeport | 501(c)(6) | 2022 | $30,896 | $31,905 | 2025-12 |
| Old Greenwich Merchants Inc | Old Greenwich | 501(c)(6) | 2025 | $30,502 | $12,737 | 2023-12 |
| Connecticut Captive Insurance Association Inc | Hartford | 501(c)(6) | 2013 | $30,098 | $1,523 | 2025-06 |
| The Nutmeg Chapter of the Association of Legal | Simsbury | 501(c)(6) | 2001 | $28,754 | $29,593 | 2025-12 |
| Valley Freemasons Building Association of Connecticut | Simsbury | 501(c)(2) | 2008 | $27,372 | $417,666 | 2025-12 |
| Insights Association | Stamford | 501(c)(6) | 2016 | $25,440 | $64,745 | 2025-12 |
| York Masons Hall Incorporated | East Hartford | 501(c)(2) | 2007 | $24,950 | $157,291 | 2025-12 |
| Garveymeade Incorporated | Waterbury | 501(c)(3) | 2025 | $18,720 | $4,553 | 2025-12 |
| Black Rock Community Council Inc | Bridgeport | 501(c)(3) | 2019 | $14,904 | $78,350 | 2024-12 |
| Connecticut Creditor Bar Association Inc | New Canaan | 501(c)(6) | 2010 | $13,680 | $5,697 | 2024-12 |
| Community Development Initiatives Foundation Inc | Hartford | 501(c)(3) | 2010 | $12,557 | $8,471 | 2025-06 |
| Hog Island Improvement Association Inc | W Hartford | 501(c)(4) | 2002 | $12,407 | $68,577 | 2025-12 |
| Swords To Plowshares Northeast Incc | Hamden | 501(c)(3) | 2021 | $10,800 | $92,296 | 2025-12 |
| Wilton CT Rotary Club | Wilton | 501(c)(4) | 2020 | $10,410 | $3,551 | 2025-06 |
| Weston Community Fund Inc | Weston | 501(c)(3) | 2025 | $7,250 | $6,421 | 2025-12 |
| Edgewood Corners Inc | New Haven | 501(c)(3) | 1997 | $7,051 | $126,955 | 2024-12 |
| Ahlan-Ny | Greenwich | 501(c)(3) | 2023 | $7,025 | $14,349 | 2025-12 |
| Three Wise Women | N Stonington | 501(c)(3) | 2025 | $6,882 | $3,490 | 2025-12 |
| Advancect Foundation Inc | New Haven | 501(c)(3) | 2020 | $6,424 | $187,732 | 2025-12 |
| Strategic Business Alliance Inc | Stamford | 501(c)(7) | 2017 | $6,411 | $2,049 | 2025-12 |
| George W Crawford Black Bar Association | Colchester | 501(c)(6) | 2024 | $6,092 | $29,549 | 2024-12 |
| Multidimensional Learning Initiative | Plainville | 501(c)(3) | 2024 | $5,000 | $5,000 | 2024-12 |
| Manchester Latino Affairs Council | Manchester | 501(c)(3) | 2025 | $4,344 | $1 | 2025-12 |
| First City Fund Corporation | New Haven | 501(c)(3) | 2005 | $4,000 | $15.9 million | 2025-12 |
| Connecticut Environmental and Utilities Contractors Association | Wethersfield | 501(c)(6) | 2010 | $3,500 | $4,778 | 2025-12 |
| Ironwood Community Partners Inc | Bloomfield | 501(c)(3) | 2014 | $3,324 | $15,182 | 2025-12 |
| Hamden Economic Developmente Corporation | Hamden | 501(c)(4) | 2006 | $2,998 | $587,441 | 2025-06 |
| Metropolitan Community Development Corporation | Hartford | 501(c)(3) | 2024 | $2,050 | $5,793 | 2020-06 |
| Shahgustafsson Foundation | Greenwich | 501(c)(3) | 2025 | $714 | $52,507 | 2023-12 |
| Local 777 Jatc Realty Inc | Meriden | 501(c)(2) | 2007 | $62 | $8.2 million | 2024-12 |
| Bloomfield Chamber of Commerce Foundation Inc | Bloomfield | 501(c)(3) | 2004 | $50 | $3,020 | 2024-12 |
| 1 Freedom for All | Danbury | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| 9027 Granby | Granby | 501(c)(4) | 2022 | $0 | $0 | 2026-06 |
| A Greater Purpose Inc | Manchester | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Aace International | Hamden | 501(c)(3) | 1964 | $0 | $0 | 2025-12 |
| Adha CT Northeastern Inc | Colchester | 501(c)(6) | 2011 | $0 | $0 | 2026-06 |
| Adp Community Outreach Center Inc | Waterbury | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Adversity To Prosperity | Norwalk | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Agbenyo Foundation Inc | Danbury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Aj Dimasi Foundation Inc | Cos Cob | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Amenuveve Inc | Westport | 501(c)(3) | 2020 | $0 | $0 | 2025-03 |
| American College of Nurse-Midwives | Branford | 501(c)(6) | 2010 | $0 | $0 | 2024-12 |
| American Federation of State County & Municipal Employees | East Hampton | 501(c)(5) | 1957 | $0 | $0 | 2026-06 |
| Amesville Association Inc | Salisbury | 501(c)(4) | 2000 | $0 | $0 | 2024-12 |
| Ankorz Up | Bridgeport | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Asociacion de Dominicanos de New London Inc | New London | 501(c)(3) | 2023 | $0 | $1 | 2025-12 |
| Avon Newcomers Club | Avon | 501(c)(4) | 2013 | $0 | $0 | 2024-12 |
| Baltic New England Development Network Inc | Newington | 501(c)(6) | 2008 | $0 | $0 | 2025-12 |
| Barkhamsted Womens Club | Pleasant Vly | 501(c)(3) | 2014 | $0 | $0 | 2025-05 |
| Bayview Masonic Temple Association Incorporated | Niantic | 501(c)(2) | 2013 | $0 | $0 | 2024-12 |
| Because It S Right Inc | Guilford | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Belltown Antique Car Club Inc | East Haddam | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Bethelhem Lions Club Inc | Bethlehem | 501(c)(4) | 2018 | $0 | $0 | 2025-06 |
| Bike West Hartford Inc | West Hartford | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Black Rock Neighborhood Revitalization Zone Incorporated | Bridgeport | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Black Wealth Alliance Company | Bridgeport | 501(c)(3) | 2026 | |||
| Blockchainct Inc | Weston | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Boame Helping Hands Foundation Inc | Darien | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Bradley Regional Chamber of Commerce Inc | East Granby | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Brazil - Connecticut Chamber of Com Merce Inc | Vernon | 501(c)(6) | 2026 | |||
| Breaking Barriers & Beyond Inc | Bloomfield | 501(c)(3) | 2024 | |||
| Brian Codys Brothers & Sisters Foundation LLC | New Milford | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Bridgeport Host Lions Charities Inc | Shelton | 501(c)(4) | 2012 | $0 | $0 | 2026-06 |
| Bristol Downtown Developmentcorporation | Bristol | 501(c)(3) | 2007 | |||
| Brookfield Cares Inc | Brookfield | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Brooklyn Business Association Inc | Brooklyn | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Brown Skin Women Foundation | Hartford | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Building A Legacy Foundation | Bloomfield | 501(c)(3) | 2023 | $11,066 | 2025-12 | |
| Building Bridgeport From Within Inc | Bridgeport | 501(c)(3) | 2025 | |||
| Bunker Hill Neighborhood Association Inc | Waterbury | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Byram Neighborhood Association Corp | Greenwich | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| CCND Inc | Prospect | 501(c)(6) | 2025 | |||
| CDM Riva Foundation Inc | West Haven | 501(c)(3) | 2026 | |||
| CT Food Launchpad Inc | New Haven | 501(c)(3) | 2026 | |||
| CT State Assembly of Ast | Monroe | 501(c)(6) | 2005 | $0 | $0 | 2025-12 |
| Canton Advocates for Responsible Expansion Inc | Canton | 501(c)(4) | 2014 | $0 | $0 | 2025-12 |
| Canton Main Street Inc | Collinsville | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Capitol Region Council Ofgovernments Foundation Inc | Hartford | 501(c)(3) | 2006 | $0 | $0 | 2026-06 |
| Carabetta Cares Incorporated | Meriden | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Center for Inclusive Growth Inc | New Haven | 501(c)(3) | 2026 | |||
| Central Connecticut Online Journalism Project Inc | Bristol | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Chamber of Commerce of the Town of Bethel CT | Bethel | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Chapel Company | New Haven | 501(c)(2) | 2000 | $0 | $0 | 2026-06 |
| Chefa Community Development Corporation | Hartford | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Cheshire Rotary Charitable Foundation Inc | Cheshire | 501(c)(3) | 1994 | $0 | $0 | 2025-06 |
| Chinese American Professors Association in Connecticut Inc | Cheshire | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Cifc Ehb Holding Corp | Danbury | 501(c)(2) | 2019 | $0 | $1.4 million | 2024-12 |
| Cifc Ysf Holding Corp | Danbury | 501(c)(2) | 2011 | $0 | $2.4 million | 2024-12 |
| Civic Works Dept Inc | New Haven | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Clinton Placemakers Inc | Clinton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Cloud Security Alliance Hartford Chapter Inc | Glastonbury | 501(c)(6) | 2020 | $0 | $0 | 2025-12 |
| Coalition To Strengthen the Sheldon Charter Oak Neighborhood Inc | Hartford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Coalition for A Sustainable Cheshire Inc | Cheshire | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Coastal Masonic Temple Corp | Pawcatuck | 501(c)(2) | 2005 | $0 | $0 | 2024-10 |
| Collab Incorporated | New Haven | 501(c)(3) | 2021 | $0 | $32,903 | 2024-06 |
| Common Ground Committee Inc | Wilton | 501(c)(3) | 2021 | $74,066 | 2023-12 | |
| Community Inreach Co | Waterbury | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Communitylink | Rocky Hill | 501(c)(3) | 2026 | |||
| Compassionate Restoration Inc | Wallingford | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Concerned Homeowners of Greenwich | Greenwich | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Connecticut Academy of Audiology Inc | Vernon | 501(c)(6) | 2006 | $0 | $0 | 2025-12 |
| Connecticut Asian Pacific Bar Association | New Haven | 501(c)(6) | 2016 | $0 | $0 | 2024-12 |
| Connecticut Association for Community Transportation | Canton | 501(c)(6) | 1999 | $0 | $0 | 2025-06 |
| Connecticut Association of Agricultural Educators | Hartford | 501(c)(6) | 2015 | $0 | $0 | 2025-06 |
| Connecticut Association of Municipal Development Commissions | New Haven | 501(c)(6) | 2009 | $0 | $0 | 2025-12 |
| Connecticut Association of Senior Center Personnel | New Britain | 501(c)(6) | 2016 | $0 | $0 | 2025-06 |
| Connecticut Blockchain Association Inc | Glastonbury | 501(c)(6) | 2023 | $0 | $0 | 2025-12 |
| Connecticut Blue Economy Coalition Inc | Old Lyme | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Connecticut Building Officials Association Incorporated | Marlborough | 501(c)(6) | 2000 | $0 | $0 | 2025-06 |
| Connecticut Business Aviation Group | Sandy Hook | 501(c)(6) | 2006 | $0 | $0 | 2025-12 |
| Connecticut Business Leadership Network Inc | West Hartford | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Connecticut Center for A New Economy Inc | Hartford | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Connecticut Center for Employee Ownership | Old Lyme | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Connecticut Chapter of Certified Fraud Examiners | Cheshire | 501(c)(6) | 1999 | $0 | $0 | 2025-07 |
| Connecticut Driving School Professionals | Tolland | 501(c)(6) | 2015 | $0 | $0 | 2025-12 |
| Connecticut Entertainment Business Association | Stratford | 501(c)(6) | 2004 | $0 | $0 | 2024-12 |
| Connecticut Environmental Forum Inc | Norwalk | 501(c)(6) | 1992 | $0 | $0 | 2025-12 |
| Connecticut Genetic Counselors Association | Farmington | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| Connecticut Health Lawyers Association Inc | New Haven | 501(c)(6) | 2012 | $0 | $0 | 2025-09 |
| Connecticut Judges Association Inc | New Haven | 501(c)(6) | 2013 | $0 | $0 | 2025-12 |
| Connecticut Junior Women Inc | Stratford | 501(c)(3) | 2001 | $0 | $0 | 2025-05 |
| Connecticut Junior Women Inc | Simsbury | 501(c)(3) | 2001 | $0 | $0 | 2026-05 |
| Connecticut Lions Charities Inc | Danbury | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Connecticut Martime Coalition Inc | Stonington | 501(c)(6) | 2000 | $0 | $1,798 | 2025-12 |
| Connecticut Pain Society | Fairfield | 501(c)(6) | 2003 | $0 | $0 | 2025-12 |
| Connecticut Pregnancy Care Coalition Inc | Torrington | 501(c)(6) | 2018 | $0 | $0 | 2025-12 |
| Connecticut Prevention Network Inc | North Haven | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Connecticut Psychological Foundation Inc | Old Saybrook | 501(c)(3) | 2003 | $0 | $0 | 2024-12 |
| Connecticut Sherpa Society USA Inc | Enfield | 501(c)(3) | 2023 | $1 | 2023-12 | |
| Connecticut Small Business-Key To the Future Inc | East Hartford | 501(c)(6) | 2014 | $0 | $0 | 2025-06 |
| Connecticut Society of Acupuncturists | Shelton | 501(c)(6) | 2009 | $0 | $0 | 2025-12 |
| Connecticut Society of Radiologic Technologist Inc | Cromwell | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Connecticut State Dental Association | Manchester | 501(c)(6) | 2002 | |||
| Connecticut State Dental Association Inc | Milford | 501(c)(6) | 2002 | $0 | $0 | 2025-12 |
| Connecticut State Dental Foundation Inc | Southington | 501(c)(3) | 1991 | $1.3 million | 2025-05 | |
| Connecticut Surety Association Inc | Hartford | 501(c)(6) | 2012 | $0 | $0 | 2025-12 |
| Connecticut Trust for Historic Preservation Revolving Fund Inc | Hamden | 501(c)(3) | 2014 | $0 | $0 | 2024-06 |
| Connecticut Veterinary Technician Association Inc | North Haven | 501(c)(6) | 2019 | $0 | $0 | 2024-12 |
| Connecticut Young Professionals Inc | New Haven | 501(c)(6) | 2018 | $0 | $0 | 2023-12 |
| Conneticut Charter Party Boat Association | N Branford | 501(c)(6) | 2006 | $0 | $0 | 2024-12 |
| Consortium of Eastern Regional Theatres Inc | Cos Cob | 501(c)(6) | 2019 | $0 | $0 | 2025-06 |
| Contagiously Kind Network Inc | Hartford | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Corawill Inc | Danbury | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Corners | Stamford | 501(c)(3) | 2022 | $25,516 | 2025-10 | |
| Cornwall Association Inc | Cornwall | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Cornwall Womans Society Inc | Cornwall | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Cpen-Community Placemaking Engagement Network | New Haven | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Cross-Company Abuse Liability Council Inc | Lebanon | 501(c)(6) | 2017 | $0 | $0 | 2025-12 |
| Csda Inc | Bristol | 501(c)(6) | 2002 | $0 | $0 | 2024-12 |
| Csda Incorporated | New Canaan | 501(c)(6) | 2002 | $0 | $0 | 2025-12 |
| Cultural Ambassadors for Clinical Research Inc | Branford | 501(c)(3) | 2024 | |||
| Culture for Service Inc | Vernon | 501(c)(3) | 2021 | $0 | $0 | 2025-06 |
| Curtis and Sheila Robinson Foundation Inc | Hartford | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Darien Environmental Group Inc | Darien | 501(c)(3) | 1991 | $0 | $0 | 2025-06 |
| Daughter2daughter Inc | Waterbury | 501(c)(3) | 2024 | $0 | $0 | 2025-08 |
| Dietary Managers Association | Granby | 501(c)(6) | 1997 | $0 | $0 | 2025-05 |
| Digital Empowerment Project Inc | Weston | 501(c)(3) | 2024 | |||
| Dixon Development Institute Inc | Windsor | 501(c)(3) | 2015 | $0 | $0 | 2023-09 |
| Dominican Community Center | Danbury | 501(c)(3) | 2020 | 2024-12 | ||
| Dominique Dalessio Memorial Fund | Bethlehem | 501(c)(3) | 2025 | $45,058 | 2025-12 | |
| Downtown Loves NHV Inc | New Haven | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Each One Reach One Radical Generation Inc | West Haven | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Eagles Nest Community Development Corporation | Bridgeport | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| East Haddam Business Association Inc | East Haddam | 501(c)(6) | 2011 | $0 | $0 | 2024-12 |
| East Haddam Community Lions Charitable Foundation | East Haddam | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| East Litchfield Village Improvement Society | Litchfield | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| East Main Street Revitalization Association Inc | Bridgeport | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| East Side Community Partnership Inc | Stamford | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| East Side Partnership Inc | Stamford | 501(c)(3) | 2009 | $0 | $0 | 2026-06 |
| East Windsor Lions Charities Inc | Broad Brook | 501(c)(3) | 2004 | $0 | $0 | 2026-06 |
| Eastern Norwalk Neighborhood Association Inc | Norwalk | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Easton Exchange Club Charitable Foundation Inc | Easton | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Edifying Women Eternally Inc | Bridgeport | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Eight Six Go Co | Hartford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Electronic Valley Inc | Oxford | 501(c)(3) | 2001 | $0 | $0 | 2024-12 |
| Empowering and Nurturing Our Families Inc | Hartford | 501(c)(3) | 2021 | $0 | $0 | 2026-06 |
| Enhanced Geothermal Systems Deployment Coalition Inc | Greenwich | 501(c)(6) | 2025 | |||
| Escrec Development Inc | Windsor | 501(c)(3) | 2010 | $0 | $0 | 2025-06 |
| Essex Board of Trade Inc | Essex | 501(c)(6) | 2004 | $0 | $0 | 2025-12 |
| Excutive Womens Golf Association Inc | Middletown | 501(c)(6) | 1997 | $0 | $0 | 2025-12 |
| Executive Womens Golf Association Inc | Shelton | 501(c)(6) | 1997 | $0 | $0 | 2025-12 |
| Fairfield County Detectives Conference Inc | Ridgefield | 501(c)(6) | 2015 | $0 | $0 | 2025-12 |
| Fairfield County Tax Collectors Association Inc | Ridgefield | 501(c)(6) | 2015 | $0 | $0 | 2025-06 |
| Fairfield Moms | Fairfield | 501(c)(3) | 2026 | |||
| Fairfield Westchester Chapter of the Risk and Insurance Management | Wilton | 501(c)(6) | 2015 | $0 | $0 | 2025-12 |
| Faith Revival Community Development Corporation | New Haven | 501(c)(3) | 2005 | |||
| Fearless Finley Inc | Milford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Flatiron Foundation Inc | Westport | 501(c)(3) | 2022 | $846 | 2025-12 | |
| Focus On Canton Inc | Canton | 501(c)(3) | 1999 | $0 | $0 | 2024-12 |
| Food for Friends | Middlebury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Foundation for Economic Democracy Inc | West Hartford | 501(c)(3) | 1996 | $0 | $0 | 2023-12 |
| Friends of Bayley Beach Rowayton | Norwalk | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Friends of Glastonbury Aquatics Inc | S Glastonbury | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of Kensington Playground | New Haven | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of New Hartford Inc | New Hartford | 501(c)(3) | 2024 | |||
| Friends of Winchester Park and Recreation Department Inc | Winchestr Center | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Friends of the Sandy Hook Permanent Memorial Inc | Sandy Hook | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Functional Use of Nature at Groton Corporation | South Windsor | 501(c)(4) | 2010 | $0 | $0 | 2024-12 |
| Fundacion Cielos Abiertos Inc | Bridgeport | 501(c)(3) | 2026 | |||
| Fundacion Sos Mujer Extraordinaria Corp | East Hartford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| GFWC Womens Club of North Haven | Hamden | 501(c)(3) | 2016 | $0 | $0 | 2026-05 |
| Georgetown Village Restoration Inc | Georgetown | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Girl Uplift | Derby | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Glenbrook Neighborhood Association | Stamford | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Glimmer of Light Inc | New Milford | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Global Action Network Inc | Danbury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Granby Chapter of Unico Inc | Granby | 501(c)(4) | 2025 | |||
| Greater Hartford Alliance of Black Social Workers Inc | Hartford | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Greater Norwalk Hispanic Chamber of Commerce Inc | Norwalk | 501(c)(6) | 2016 | $0 | $0 | 2025-12 |
| Greenwich Dental Society Inc | Greenwich | 501(c)(6) | 2014 | $0 | $0 | 2023-12 |
| Greenwich Property Owners Association Inc | Cos Cob | 501(c)(4) | 2015 | $0 | $0 | 2025-12 |
| Greenwich Ypg | Stamford | 501(c)(6) | 2016 | $0 | $0 | 2024-12 |
| Guanyin Citta Inc | Hamden | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Gunner Cares Corp | Stamford | 501(c)(3) | 2024 | |||
| HFPG Special Assets Inc | Hartford | 501(c)(3) | 2006 | $0 | $1.4 million | 2025-12 |
| Haddam Volunteer Fire Company Auxiliary | Higganum | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Haitian American Chamber of Commerc E of Connecticut | Bridgeport | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
| Hamden Business and Professional Womens Club | Hamden | 501(c)(3) | 2025 | |||
| Hamden Newhall Neighborhood Association | Hamden | 501(c)(3) | 2026 | |||
| Hartford County Tax Collectors Association Inc | Simsbury | 501(c)(6) | 2015 | $0 | $0 | 2024-06 |
| Hartford Decides Inc | Hartford | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Hartford Fire Emerald Society | Hartford | 501(c)(4) | 2020 | $0 | $0 | 2025-06 |
| Hayden Station Fire Company Inc | Windsor | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Health Benefits Holdings Inc | New Haven | 501(c)(2) | 1999 | $0 | $0 | 2025-12 |
| Heart To Art Inc | Darien | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Hill City Point Neighborhood Action Group Inc | New Haven | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Hill Development Corporation of New Haven | New Haven | 501(c)(3) | 1987 | |||
| Hillside Historic District Association Inc | Waterbury | 501(c)(3) | 2019 | $0 | $945 | 2025-12 |
| Historic Wooster Square Association | New Haven | 501(c)(4) | 2022 | $0 | $0 | 2025-12 |
| Hollow Spring Road Association | Norwalk | 501(c)(4) | 2025 | $0 | $0 | 2026-02 |
| Home Design District of West Hartford LTD | Oxford | 501(c)(4) | 2010 | $0 | $0 | 2025-12 |
| Hope Builders Inc | New Haven | 501(c)(3) | 2026 | |||
| House of Fire Ministries Inc | Bristol | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| I3 Foundation Inc | Riverside | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Icf CT Chapter Inc | Milford | 501(c)(6) | 2001 | $0 | $0 | 2024-12 |
| Impact Lives Foundation Inc | Bloomfield | 501(c)(3) | 2025 | |||
| Impact Networking Inc | Oakville | 501(c)(3) | 2024 | |||
| Indie Sellers Guild | Quaker Hill | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Inner Vision Group Inc | Weston | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Inspired Communities Inc | New Haven | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| International Association of Lions Clubs | South Windsor | 501(c)(4) | 1940 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | Torrington | 501(c)(4) | 1940 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | Plainville | 501(c)(4) | 2025 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | Bloomfield | 501(c)(4) | 1940 | $0 | $0 | 2025-12 |
| International Association of Lions Clubs | Enfield | 501(c)(4) | 1940 | $0 | $0 | 2025-06 |
| International Association of Lions Clubs | Stafford SPGS | 501(c)(4) | 1940 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | Durham | 501(c)(4) | 1940 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | West Suffield | 501(c)(4) | 1940 | $0 | $0 | 2024-06 |
| International Association of Lions Clubs | Pomfret Center | 501(c)(4) | 2025 | $0 | $0 | 2026-06 |
| International Womens Forum Connecticut Inc | Branford | 501(c)(6) | 2006 | $0 | $0 | 2025-12 |
| Iota Chi Sigma Foundation | Bridgeport | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| J Lewis Community Services Inc | Hamden | 501(c)(3) | 2024 | |||
| James W and Esther Maguire Fund | Meriden | 501(c)(3) | 1998 | $1.2 million | 2025-12 | |
| Jensen Charles Lynn Memorial Fund Inc | Cromwell | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Jills Teal Appeal | Bristol | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Jubilee Community Development Corporation | New Haven | 501(c)(3) | 2000 | |||
| Junior Womens Club of Wolcott Inc | Wolcott | 501(c)(3) | 2018 | $0 | $0 | 2026-05 |
| Kadeem Carson Memorial Foundation | New Britain | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Kaydde Foundation Inc | West Haven | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Killingworth Womens Organization- GFWC Inc | Killingworth | 501(c)(3) | 2005 | $0 | $0 | 2026-05 |
| Kingdom Alliance Corporation Inc | New London | 501(c)(2) | 2017 | $0 | $0 | 2024-12 |
| Kiwanis Club of Greenwich Foundation Inc | Stamford | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Kiwanis Foundation of Greater Enfield | Enfield | 501(c)(3) | 2025 | $0 | $0 | 2025-09 |
| Kiwanis International Inc | New London | 501(c)(4) | 1940 | $0 | $0 | 2025-09 |
| Know Thy Neighbor Corp | Hartford | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Know Your Beautiful Women Empowerment | Avon | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Knownpreneurs Inc | Guilford | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Kog Family Outreach Inc | Manchester | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Lace Up for Kids Inc | Guilford | 501(c)(3) | 2026 | |||
| Lao American New Generation Inc | East Hartford | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Last Planet | Middle Haddam | 501(c)(3) | 2026 | |||
| Latin Empowered Dreamers Ledre Inc | Wethersfield | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Leaders for Educational Advocay and Diversity | Danbury | 501(c)(3) | 2026 |
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.