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
- Yale Russian Chorus Inc
EIN 824604233 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yale Sappern Memorial Fund Inc
EIN 061524537 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Yale Science & Engineering Association Inc
EIN 061056561 · Headquarters: MILFORD, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Yale Scientific Publications Inc
EIN 060947186 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yale Southern Observatory Inc
EIN 066068906 · Headquarters: New Haven, CT, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Yale Street Mutual Housing Inc
EIN 061466506 · Headquarters: Trumbull, CT, US · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Yale Student Environmental Coalition Inc
EIN 061424469 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yale Taiwanese Student Association
EIN 334625161 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yale Undergraduate Diversified Investments
EIN 474756094 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Yale Undergraduate Gospel Choir Inc
EIN 371590883 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Yale Undergraduate Mock Trial Association
EIN 061495920 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Yale Undergraduate Research Association
EIN 473924880 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Yale University
EIN 060646973 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale University - Subordinates
EIN 911864328 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale University Dramatic Association Inc
EIN 066069930 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale University Elizabethan Club Corp
EIN 060332975 · Headquarters: NEW HAVEN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale University Retiree Health Benefits Coverage Trust
EIN 066414276 · Headquarters: New Haven, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale University Women's Organization Incorporating Yale Newcomers
EIN 061132921 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Yale Veterans Association Inc
EIN 454441087 · Headquarters: Woodbridge, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yale Whiffenpoof Alumni Inc
EIN 110039015 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale Whiffenpoofs of 1954
EIN 812734772 · Headquarters: Stamford, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Yale Youth Hockey Association Inc
EIN 061053241 · Headquarters: BRANFORD, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale-China Association Inc
EIN 060646971 · Headquarters: New Haven, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yale-scripps Trust-cust
EIN 060983815 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Yalesville Little League Inc
EIN 061108689 · Headquarters: YALESVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Yalesville Senior Ancient Fife and Drum Corps
EIN 477035625 · Headquarters: Berlin, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yalesville Volunteer Fire Department Inc
EIN 462999839 · Headquarters: WALLINGFORD, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Yalewomen Inc
EIN 455385703 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Yama Ki Bonsai Society Inc
EIN 222514403 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Yamama Services for Women Inc
EIN 992517778 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yancy Forums Educational Initiative Inc
EIN 463284034 · Headquarters: Milford, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Yando Corp
EIN 453170791 · Headquarters: Stamford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yankee Alaskan Malamute Club
EIN 222603267 · Headquarters: TOLLAND, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Yankee Clipper Contest Club Inc
EIN 884274341 · Headquarters: Newtown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Yankee Institute for Public Policy
EIN 521358144 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yankee Invention Exposition Inc
EIN 061487310 · Headquarters: Waterbury, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Yankee Paw Paddlers Inc
EIN 452488542 · Headquarters: Bridgeport, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yankee Scholarship Foundation Inc
EIN 061045656 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Yankee Security Convention Inc
EIN 060985894 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yankee Tango Foundation Inc
EIN 264286707 · Headquarters: New Canaan, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- Yankee Territory Coinshooters
EIN 900620446 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yankee Toys Incorporated
EIN 831018092 · Headquarters: NORTH HAVEN, CT, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Yankee Weimaraner Club
EIN 852492570 · Headquarters: South Windsor, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yankee Yesteryear Car Club Inc
EIN 900617826 · Headquarters: Canterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yankef and Leibisch Family Circle Inc
EIN 112937558 · Headquarters: WOODBRIDGE, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yantic Vol Fire Engine Co Inc
EIN 834495798 · Headquarters: YANTIC, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yappy Tails Animal Rescue Inc
EIN 832760467 · Headquarters: Windsor, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Yaysh Inc
EIN 933469431 · Headquarters: Glastonbury, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Yb Chesed Fund Inc
EIN 272765063 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yblsaa Inc
EIN 264827834 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Ydn Foundation Inc
EIN 060967838 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ye Connecticut Gun Guild Inc
EIN 066079331 · Headquarters: East Hartford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ye Olde Kings Highway Stamp Club Incorporated
EIN 061143586 · Headquarters: DARIEN, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Ye Olde Lebanon Towne Militia
EIN 061612488 · Headquarters: FORESTVILLE, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yedidei Hagan Inc
EIN 222510850 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yellow Farmhouse Education Center Inc
EIN 823732013 · Headquarters: STONINGTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yellow Mill Village Scholarship Fund Inc
EIN 300315356 · Headquarters: Bridgeport, CT, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Yelow Inc
EIN 810816422 · Headquarters: ORANGE, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Yerwood Center Inc
EIN 060646958 · Headquarters: STAMFORD, CT, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990
- Yes Grace Rocks Inc
EIN 271349556 · Headquarters: Southbury, CT, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Yeshiva Gedolah Rabbinical Institute of New England Inc
EIN 060943492 · Headquarters: West Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yeshiva of New Haven
EIN 060968380 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990
- Yeshua Project
EIN 204165285 · Headquarters: BRIDGEPORT, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Yesterdays Kittens Inc
EIN 830477541 · Headquarters: Deep River, CT, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Yesu Asobola Ministries Inc
EIN 462462209 · Headquarters: NEW HARTFORD, CT, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Yevshan Ukrainian Vocal Ensemble
EIN 432049404 · Headquarters: Newington, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ygrfc
EIN 822748176 · Headquarters: New Haven, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yhb Charitable Endowment Inc
EIN 262552404 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Yl Trapped Organization
EIN 274442274 · Headquarters: NORWALK, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- YMCA of Greenwich
EIN 060646976 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ymca of Manchester
EIN 066048502 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ymca of New Britain-berlin
EIN 222680676 · Headquarters: NEW BRITAIN, CT, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990
- Ymca of Wallingford Inc
EIN 060646987 · Headquarters: WALLINGFORD, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ynh Acquisition Corporation One
EIN 922374918 · Headquarters: NEW HAVEN, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ynh Acquisition Corporation Two
EIN 922353660 · Headquarters: NEW HAVEN, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Ynh Network Corporation
EIN 061513687 · Headquarters: NEW HAVEN, CT, USA · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990
- Yoga Against Antisemitism Inc
EIN 990398938 · Headquarters: Oxford, CT, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Yoga Association USA Inc
EIN 332344246 · Headquarters: SOUTH WINDSOR, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Yoga for All Cooperative Inc
EIN 454830423 · Headquarters: TRUMBULL, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Yoga4change
EIN 471037229 · Headquarters: New Haven, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- York Masons Hall Incorporated
EIN 205620352 · Headquarters: East Hartford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- York Rite Sovereign College of North America
EIN 066085978 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Yoruba Community of Connecticut
EIN 830372181 · Headquarters: BRIDGEPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Yoshi's Club Inc
EIN 300499465 · Headquarters: MILFORD, CT, US · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- You Are the Hero Inc
EIN 844326290 · Headquarters: danbury, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- You Can Love Life Inc
EIN 821154415 · Headquarters: berlin, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- You Emerge Motivations Inc
EIN 843527788 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Young Achievers Foundation Ghana Inc
EIN 825119458 · Headquarters: New Canaan, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Young Artists Philharmonic Inc
EIN 237195755 · Headquarters: Stamford, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Young Astronauts Inc
EIN 461792198 · Headquarters: Wilton, CT, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Young Bulgarian Voices New York Inc
EIN 463621743 · Headquarters: Wilton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Young Composers & Improvisors Workshop
EIN 471390086 · Headquarters: WALLINGFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Young Emissaries of Greater Bridgeport Inc
EIN 204786126 · Headquarters: Easton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Young Filmmakers
EIN 992746654 · Headquarters: Canton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Young Jewish Network Inc
EIN 842870896 · Headquarters: Stamford, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Young Leadership Addiction Awareness Inc
EIN 841971832 · Headquarters: Westport, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Young Life Basketball Academy
EIN 882643499 · Headquarters: Newtown, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Young Mariners Foundation Inc
EIN 061427077 · Headquarters: Stamford, CT, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990
- Young Men's Christian Association C/o Paul Macari
EIN 060646985 · Headquarters: STAMFORD, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Young Men's Christian Association of Metropolitan Hartford Inc
EIN 060881325 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990