Nonprofits in Connecticut
Nonprofits in Connecticut. Browse 26,993 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Augustana Homes East Bridgeport Inc Dba Bishop Curtis Homes East Bridgeport
EIN 061461019 · Headquarters: BRIDGEPORT, CT, USA · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990
- Augustana Homes Inc
EIN 066085508 · Headquarters: Bridgeport, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Augustana Homes Jewett Inc D/b/a Bishop Curtis Homes Jewett
EIN 061324239 · Headquarters: BRIDGEPORT, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990
- Augustana Homes of Bridgeport Inc Dba the Bishop Curtis Homes Bridgeport
EIN 061081117 · Headquarters: BRIDGEPORT, CT, USA · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990
- Augustana Homes of Fairfield Inc Dba Bishop Curtis Homes Fairfield
EIN 222511035 · Headquarters: BRIDGEPORT, CT, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990
- Augustana Homes of Greenwich Inc
EIN 222511034 · Headquarters: Bridgeport, CT, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990
- Aunt Hack Swim Club Inc
EIN 060898507 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Aunt Terry Inc
EIN 455574648 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Aurelian Honor Society Incorporated
EIN 066071632 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Aurora Women and Girls Foundation Inc
EIN 061587403 · Headquarters: WEST HARTFORD, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Austin Brook Sportsmens Association
EIN 300678802 · Headquarters: SUFFIELD, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Austin Hall
EIN 421618108 · Headquarters: Cromwell, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Austin Stefano Memorial Foundation Inc
EIN 993465393 · Headquarters: Rocky Hill, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Austin-healey Club of America Beverly Sealand Treasurer
EIN 621069864 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Authentic Coaching
EIN 820599479 · Headquarters: Avon, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Autism Age
EIN 471831987 · Headquarters: Trumbull, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Autism Ai Initiative Inc
EIN 933082565 · Headquarters: WEST SIMSBURY, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Autism Anchor
EIN 811291445 · Headquarters: GUILFORD, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Autism Destigma Company
EIN 994846982 · Headquarters: Manchester, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Autism Education Alliance C/o Andersen
EIN 873318352 · Headquarters: OLD GREENWICH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Autism Families Connecticut Inc
EIN 800527796 · Headquarters: WEST HARTFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Autism Happens Foundation Inc
EIN 208615090 · Headquarters: Enfield, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Autism on the Seas Foundation Inc
EIN 471504695 · Headquarters: SHELTON, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Autism Services & Resources Connecticut
EIN 061494475 · Headquarters: WALLINGFORD, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990
- Auto Body Association of Connecticut Inc
EIN 061247029 · Headquarters: PROSPECT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Autochthonous Social Club
EIN 412325793 · Headquarters: WATERBURY, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Autoimmune Registry Inc
EIN 811688265 · Headquarters: Guilford, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Automotive Museum Inc
EIN 066077938 · Headquarters: EAST BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Auxil Tech Foundation
EIN 842503995 · Headquarters: East Hartford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Auxiliary of Hebrew Health Care In
EIN 222571202 · Headquarters: WEST HARTFORD, CT, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Auxiliary of the Lawrence and Memorial Hospital Inc
EIN 060983682 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Auxiliary to Sons of Union Veterans of the Civil War Conklin-
EIN 066107737 · Headquarters: CROMWELL, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avalonia Land Conservancy Inc
EIN 066103893 · Headquarters: OLD MYSTIC, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avangrid Foundation Inc
EIN 134200689 · Headquarters: ORANGE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Avangrid Renewables Llc Post-retirement Medical Plan Trust
EIN 680629872 · Headquarters: ORANGE, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990
- Avas Way
EIN 883275502 · Headquarters: Wethersfield, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avatar Meher Baba Foundation Inc
EIN 061516691 · Headquarters: BOLTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ave Maria Inc
EIN 300541760 · Headquarters: Willimantic, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Avenir Health Inc
EIN 204816286 · Headquarters: GLASTONBURY, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avery Concerts Inc
EIN 262713714 · Headquarters: West Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avery Copp Museum
EIN 208096779 · Headquarters: Groton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avery Heights Auxillary Inc
EIN 061545807 · Headquarters: Hartford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avery Memorial Association
EIN 237073820 · Headquarters: Groton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Avery-stoddard Cemetery Association Inc
EIN 066044486 · Headquarters: Ledyard, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Averys Little Army Inc
EIN 993548679 · Headquarters: Milford, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Avian Ambassadors Inc
EIN 922812410 · Headquarters: MANCHESTER, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avielle Foundation Inc
EIN 461864791 · Headquarters: SANDY HOOK, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Aviglianese Athletic Club Inc
EIN 066058887 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Avoda Institute Ltd
EIN 743094375 · Headquarters: WESTPORT, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Arts Association Inc
EIN 060957855 · Headquarters: Avon, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avon Baseball League Inc
EIN 454288882 · Headquarters: Avon, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avon Boys Travel Basketball Inc
EIN 824726403 · Headquarters: AVON, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Canton Farmington Youth Hockey Association
EIN 237413685 · Headquarters: AVON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon Chamber of Commerce Inc
EIN 061026616 · Headquarters: Avon, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Avon Chapter of Unico National Inc
EIN 061101468 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Avon Community Recreation Neighborhood Inc
EIN 061477195 · Headquarters: Avon, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Avon Community Robotics Inc
EIN 872140811 · Headquarters: Avon, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avon Education Foundation Inc
EIN 200944178 · Headquarters: Avon, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Free Public Library Inc
EIN 060001957 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon Friends for Equity Inc
EIN 923123791 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Avon High School Booster Club Inc
EIN 061244290 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon High School Parent Teacher Organization Inc
EIN 852687503 · Headquarters: AVON, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon High School Robotics Team
EIN 464360911 · Headquarters: Simsbury, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avon Historical Society Inc
EIN 237346729 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Junior Women's Club
EIN 061419830 · Headquarters: AVON, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Avon Land Trust Inc
EIN 060897842 · Headquarters: Avon, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Lions Charities Inc
EIN 061519148 · Headquarters: Avon, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Little League
EIN 061423314 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Avon Middle School Parent Teacher Organization Inc
EIN 814637064 · Headquarters: AVON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Avon Newcomers Club
EIN 237105390 · Headquarters: Avon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Avon Old Farms School
EIN 060655480 · Headquarters: AVON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon Old Farms School Foundation
EIN 066386828 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon Old Farms Skiers Inc
EIN 831712865 · Headquarters: AVON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon Police Association
EIN 261968830 · Headquarters: Avon, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Avon Soccer Club
EIN 223236840 · Headquarters: Weatogue, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Avon Theatre Film Center Inc
EIN 900069073 · Headquarters: STAMFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon United Fund Inc
EIN 061045948 · Headquarters: Hartford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Avon Volunteer Fire Department Inc
EIN 237178416 · Headquarters: Avon, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- Avon Youth Lacrosse Inc
EIN 471322199 · Headquarters: AVON, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Axe-Houghton Foundation
EIN 136200200 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Axia Women Inc
EIN 851114264 · Headquarters: WEST HARTFORD, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Axial Theatre Inc C/o Joseph Daponte
EIN 134196682 · Headquarters: DANBURY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Axion Cushing-fulton Corporation
EIN 223081085 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ayeka Ltd
EIN 264376528 · Headquarters: Stamford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ayers Family Foundation
EIN 873596254 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Aylus Cheshire Branch
EIN 884101290 · Headquarters: FARMINGTON, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Azcat Foundation
EIN 814754238 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Azdaks Garden Inc
EIN 061357912 · Headquarters: New Haven, CT, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Azeri America Inc Azerbaijani Society of North America
EIN 463407236 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- B a S I C House Outreach Ministries Inc
EIN 061571644 · Headquarters: Norwalk, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- B Cured Inc
EIN 261906165 · Headquarters: GREENWICH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990
- B Kind Foundation
EIN 471762228 · Headquarters: New Canaan, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- B L F C Academy Inc
EIN 883682800 · Headquarters: New Britain, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- B L Manger Foundation C/o Renee Manger
EIN 237405994 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- B Love Inc
EIN 852738946 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- B Loved Foundation Ct Inc
EIN 823881982 · Headquarters: Simsbury, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- B Stigma-free
EIN 472940711 · Headquarters: FAIRFIELD, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- B'nai B'rith Housing of New Haven Inc
EIN 061476036 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Babe Ruth Baseball of Stamford Inc
EIN 061539572 · Headquarters: STAMFORD, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Babe Ruth League of Simsbury Inc
EIN 061309891 · Headquarters: SIMSBURY, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ