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
- United States Naval Academy Class of 1965 Area Alumni Chapter
EIN 521370275 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066045953 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066045978 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066046446 · Headquarters: DARIEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066047498 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066048044 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066051498 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066051632 · Headquarters: Prospect, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066055634 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066063086 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066066030 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066066182 · Headquarters: Newtown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066067370 · Headquarters: new britain, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066068846 · Headquarters: Essex, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066069028 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066069086 · Headquarters: Coventry, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066069099 · Headquarters: NEW BRITAIN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066069933 · Headquarters: Norwalk, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066070057 · Headquarters: Old Saybrook, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 066105533 · Headquarters: Essex, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 146046218 · Headquarters: DARIEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Power Squadrons
EIN 237040035 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United States Swimming Connecticut
EIN 742277298 · Headquarters: BRANFORD, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990
- United States Taekwondo Instructors Union Inc
EIN 223242716 · Headquarters: Manchester, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Steel Foundation Inc
EIN 920403416 · Headquarters: EAST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Steelworkers
EIN 060670005 · Headquarters: MERIDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 060706314 · Headquarters: Wallingford, CT, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 060760856 · Headquarters: Orange, CT, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 060859705 · Headquarters: Newmilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 060865554 · Headquarters: Goshen, CT, US · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 060903984 · Headquarters: Versailles, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 061581665 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 066068706 · Headquarters: Manchester, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 066069655 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 066070290 · Headquarters: Putman, CT, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 066089324 · Headquarters: NAUGATUCK, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 066109874 · Headquarters: STRATFORD, CT, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- United Steelworkers
EIN 237105848 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Steelworkers Local Union 09411
EIN 061482776 · Headquarters: Uncasville, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- United Steelworkers Local Union 12000
EIN 061403548 · Headquarters: Orange, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- United Steelworkers Local Union 12160
EIN 066068677 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- United Steelworkers Local Union 134L
EIN 060687313 · Headquarters: Orange, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- United Steelworkers Local Union 46
EIN 066059532 · Headquarters: Rogers, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- United Technologies Corporation Employees Benefit Plan Trust
EIN 061009612 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Union of Roofers Local 12
EIN 060572055 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Union of Roofers Local 9
EIN 060473057 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- United Union of Roofers Waterproofers & Allied Workers Local # 12 Health Fund
EIN 060878220 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Union of Roofers Waterproofers & Allied Workers Local #12 Vacation Fund
EIN 510488884 · Headquarters: WALLINGFORD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Village Inc
EIN 061814120 · Headquarters: Vernon, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Voices Chorale Inc
EIN 061361703 · Headquarters: Middletown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- United War Veterans Grand Army of the Republic Buckingham Memorial
EIN 593841943 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- United Waste and Recycling Workers Union Local 393 Iujat
EIN 871292803 · Headquarters: danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- United Way Inc United Way of Cent & Ne Connecticut
EIN 060646653 · Headquarters: HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Coastal and Western Connecticut Inc
EIN 060646577 · Headquarters: DANBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Coastal Fairfield County Inc
EIN 060864341 · Headquarters: BRIDGEPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990
- United Way of Connecticut Inc
EIN 061084194 · Headquarters: ROCKY HILL, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Greater New Haven Inc
EIN 060646761 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Greenwich Inc
EIN 060646578 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Meriden & Wallingford Inc
EIN 060646714 · Headquarters: MERIDEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Milford Inc
EIN 060724409 · Headquarters: MILFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Naugatuck and Beacon Falls Inc
EIN 060788028 · Headquarters: NAUGATUCK, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- United Way of Northwest Connecticut Inc
EIN 066009309 · Headquarters: TORRINGTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Southeastern Connecticut Inc
EIN 060771393 · Headquarters: Gales Ferry, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of Southington Inc
EIN 060790621 · Headquarters: SOUTHINGTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United Way of West Central Connecticut Inc
EIN 060653262 · Headquarters: BRISTOL, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- United with Kenya Inc
EIN 272550767 · Headquarters: Fairfield, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Unity Dance Ensemble Inc
EIN 061490853 · Headquarters: BRISTOL, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Unity for Autism Non Profit Organization Corporation
EIN 333038538 · Headquarters: Ledyard, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Unity Lodge No 148 Af& Am of Ct
EIN 100004457 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Unity Project Inc
EIN 043525951 · Headquarters: Newtown, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Unity Worship Center Inc
EIN 061501141 · Headquarters: west haven, CT, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Unityct Inc
EIN 845091521 · Headquarters: Mystic, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Univ of Chinese Academy of Sciences Alumni Association of America
EIN 931509070 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Univ of Conn Health Center Auxiliary
EIN 237187838 · Headquarters: FARMINGTON, CT, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Universal Church of Religious Rebirth
EIN 061003727 · Headquarters: Brookfield, CT, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Universal Community Resource
EIN 853997634 · Headquarters: BRIDGEPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Universal Fraternity 149
EIN 883344049 · Headquarters: STRATFORD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Universal Health Care Action Inc
EIN 854028283 · Headquarters: MIDDLETOWN, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Universal Health Care Fndtn of Ct Inc
EIN 061590060 · Headquarters: MIDDLETOWN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Universal Outreach Inc
EIN 800420696 · Headquarters: Bridgeport, CT, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Universal Presbyterian Church of God
EIN 474326180 · Headquarters: EAST HARTFORD, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- University Glee Club of New Haven Inc
EIN 800766852 · Headquarters: BRANFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- University Health Professionals Aft Local 3837
EIN 060983534 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- University Network for International Training and Engagement for Human Rights
EIN 831413195 · Headquarters: West Hartford, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- University of Conecticut Rugby Football Club Alumni Association
EIN 311564878 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- University of Connecticut Alumni Association
EIN 510193548 · Headquarters: STORRS, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- University Of Connecticut Cooperative Corporation
EIN 066184873 · Headquarters: Storrs Mansfield, CT, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990
- University of Connecticut Law School Alumni Association Inc
EIN 061064893 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- University of Connecticut League
EIN 237305328 · Headquarters: Mansfield Center, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- University of Connecticut Pharmacy Alumni Association
EIN 222505202 · Headquarters: Storrs, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- University of Connecticut Police Benevolent Association Inc
EIN 205099927 · Headquarters: Storrs, CT, US · Crime & Legal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- University of Ct Chapter of the American Assoc of Univ Professors
EIN 060949733 · Headquarters: STORRS, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- University of Hartford
EIN 060731360 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- University of Hartford Pto
EIN 931493073 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- University of New Haven
EIN 060761704 · Headquarters: West Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- University of New Haven Dental Center Inc
EIN 061629143 · Headquarters: WEST HAVEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- University of Saint Joseph
EIN 060646829 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- University Park Inc
EIN 223226219 · Headquarters: West hartford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- University Row Homes Inc C/o Better Quality Management
EIN 060857606 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Unload Foundation Inc
EIN 824585594 · Headquarters: Cos Cob, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N