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
- The Children First Foundation Inc
EIN 943371035 · Headquarters: Cromwell, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Children of Eros Foundation Inc
EIN 260655186 · Headquarters: STAMFORD, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Children's Center
EIN 060653066 · Headquarters: HAMDEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's Center of Hamden Inc
EIN 061580427 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's Center of New Milford Inc
EIN 237137832 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's Community Development Center Incorporated
EIN 061030028 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's Community Programs of Ct
EIN 061579606 · Headquarters: NEW HAVEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's Foundation at St Francis
EIN 061460761 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990
- The Children's Museum Inc
EIN 060896043 · Headquarters: WEST HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's Preschool Inc
EIN 060872694 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Children's School
EIN 061104354 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Childrens Education Foundation
EIN 550914080 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-PF
- The Childrens Investment Fund Foundation Dba Big Win Philanthropy C/o Day Pitney
EIN 043632641 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- The Chilton Foundation
EIN 137077903 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Choir School of Hartford Inc
EIN 204120118 · Headquarters: HARTFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Christian and Katharine Roth Family Foundation
EIN 462942236 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Christian Rakoczy Memorial Fund Inc
EIN 333334676 · Headquarters: Trumbill, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Church of God and Saints of Christ Incorporated
EIN 061129297 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- The Chutjian Foundation
EIN 202027970 · Headquarters: New Canaan, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Cindy and John Sites Charitable Foundation
EIN 133802846 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Circle of Hands Foundation Inc
EIN 130449923 · Headquarters: WEST HARTFORD, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Circularity Project Inc
EIN 991644486 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Claire C Bennitt Watershed Fund Inc
EIN 061534484 · Headquarters: NEW HAVEN, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Claus Academy Incorporated
EIN 900510118 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- The Clinton Roberts Foundation Inc
EIN 222867088 · Headquarters: BRISTOL, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Coach Vic Foundation Inc
EIN 880877231 · Headquarters: MYSTIC, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Cobb School Montessori Inc
EIN 060964699 · Headquarters: Simsbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The CODE Booster Club Corporation
EIN 393948918 · Headquarters: Middletown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Coleman Family Foundation
EIN 814671841 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The College Voter Inc
EIN 851543671 · Headquarters: Cos Cob, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Collinsville Masonic Building Association Incorporated
EIN 237331435 · Headquarters: Collinsville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Colonial Fund C/o Jat Capital Partners Lp
EIN 274349512 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- The Color a Positive Thought Organ
EIN 851201104 · Headquarters: Bridgeport, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Colt Trust Inc
EIN 061464434 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Columbia Lake Association
EIN 061033610 · Headquarters: COLUMBIA, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Comer Family Foundation Inc C/o James Comer
EIN 061469067 · Headquarters: HAMDEN, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Committee to Reduce Infection Deaths Inc
EIN 202479678 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Common Sense Fund Inc
EIN 133157570 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Community Action Agency of Western Connecticut Inc
EIN 060813725 · Headquarters: DANBURY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Chest of New Britain and Berlin Inc
EIN 060662153 · Headquarters: NEW BRITAIN, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Community Cooperative Nursery School
EIN 060734484 · Headquarters: ROWAYTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Economic Development Fund Foundation Inc
EIN 061380472 · Headquarters: MERIDEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Fire Company of North Grosvenordale Ct Inc
EIN 066087798 · Headquarters: NORTH GROSVENORDALE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Foundation for Greater New Haven
EIN 066032106 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Foundation for St Vincent and the Grenadines Inc
EIN 264306194 · Headquarters: HEBRON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Community Foundation of Eastern Connecticut Inc
EIN 061080097 · Headquarters: NEW LONDON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Fund of Darien
EIN 060737286 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Music School Inc
EIN 222552861 · Headquarters: CENTERBROOK, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Community Nursery School Inc
EIN 060709287 · Headquarters: Guilford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Company of Fifers and Drummers Inc
EIN 237003258 · Headquarters: IVORYTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Complex Sag Harbor Inc
EIN 852656502 · Headquarters: RIVERSIDE, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Conference of Churches Inc
EIN 060693695 · Headquarters: hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Association of Alternative Schools & Programs
EIN 061614502 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- The Connecticut Association of School Based Health Centers Inc
EIN 061454857 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Association of Street and Highway Officals Inc
EIN 061021885 · Headquarters: MIDDELTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Blaze Baseball Club
EIN 061578093 · Headquarters: BRISTOL, CT, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- The Connecticut Blues Society Inc
EIN 061434658 · Headquarters: FARMINGTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Connecticut Center for Nursing Workforce Inc
EIN 831941799 · Headquarters: NORTH HAVEN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Center for Primary Care Inc
EIN 030441188 · Headquarters: FARMINGTON, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990
- The Connecticut Chapter of the American College of Health Care Administrator Inc
EIN 202549574 · Headquarters: MIDDLETOWN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Connecticut Chronic Fatigue and Immune Dysfunction Syndrome Association
EIN 061354867 · Headquarters: Milford, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- The Connecticut Clippers Inc
EIN 311732026 · Headquarters: CROMWELL, CT, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990
- The Connecticut Colts Inc
EIN 203617990 · Headquarters: Wethersfield, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- The Connecticut Community Empowerment Foundation Inc
EIN 850636757 · Headquarters: CHESHIRE, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Community Foundation
EIN 066038074 · Headquarters: WATERBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Connecticut Construction Industries Association Inc
EIN 060681712 · Headquarters: WETHERSFIELD, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Council for Non-adv
EIN 201646759 · Headquarters: SOUTHBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- The Connecticut Council for Occupational Safety and Health Inc
EIN 222509525 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Connecticut Daily Newspapers
EIN 222545567 · Headquarters: GLASTONBURY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- The Connecticut Democracy Center Inc
EIN 061502343 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Economic Resource Center Inc
EIN 061369657 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Environmental Health Association Inc
EIN 237337663 · Headquarters: SOUTHINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- The Connecticut Fire Marshals Association Inc
EIN 061302042 · Headquarters: Storrs, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- The Connecticut Firemen's Historical Society Inc
EIN 237099755 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Forum Inc
EIN 061343149 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Golf Club Incorporated
EIN 060842905 · Headquarters: EASTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Golf Foundation Inc the First Tee of Connecticut
EIN 061510744 · Headquarters: CROMWELL, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- THE Connecticut HISTORICAL SOCIETY Connecticut Museum of Culture & History
EIN 066026012 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Horticultural Society Inc
EIN 066048899 · Headquarters: WEST HARTFORD, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Hospice Inc
EIN 060878822 · Headquarters: BRANFORD, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Connecticut Industrial Council Inc
EIN 060623529 · Headquarters: MERIDEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- The Connecticut Institute for the Blind Inc
EIN 060669111 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Institute for the Blind Inc
EIN 223319897 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Interscholatic Ski League LTD
EIN 061462570 · Headquarters: Monroe, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Connecticut Neurological Society
EIN 061227535 · Headquarters: Danbury, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- The Connecticut Orthopaedic Society Inc
EIN 200213167 · Headquarters: W HARTFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Connecticut Players Foundation Inc D/b/a Long Wharf Theatre
EIN 066073063 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Poultry Association Incorporated C/o Robert Feldman
EIN 060948323 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Connecticut Prince Hall Scottish Rite Scholarship Fund Inc
EIN 043815803 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- The Connecticut Project Action Fund Inc
EIN 883389005 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Project Inc
EIN 872622825 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut Retail Merchants Association Charitable And
EIN 270056651 · Headquarters: MILFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Connecticut River Foundation at Steamboat Dock Inc
EIN 237417579 · Headquarters: ESSEX, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Connecticut River Salmon Association Inc
EIN 060938591 · Headquarters: West Hartford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Connecticut School Counselor Association Inc
EIN 161740995 · Headquarters: Wallingford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Connecticut Traditional Jazz Festival Inc
EIN 061221412 · Headquarters: CROMWELL, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ
- The Connecticut Trail Rides Association Inc
EIN 263868419 · Headquarters: HARWINTON, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Connecticut Unit of the Herb Society of America
EIN 068932771 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Connecticut Us Lacrosse Inc
EIN 061407020 · Headquarters: CHESHIRE, CT, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- The Connecticut Valley Local Sectio of the American Chemical Society
EIN 042320822 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ