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

  1. American University of the Caribbean

    EIN 850322460 · Headquarters: BRIDGEPORT, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Veterans Assistance League Inc

    EIN 300579259 · Headquarters: Southbury, CT, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. American Wanderer Foundation

    EIN 262807643 · Headquarters: Weston, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Water Works Association

    EIN 066100180 · Headquarters: NEW HAVEN, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. American Wheat Mission Inc

    EIN 352393848 · Headquarters: South Windsor, CT, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. American Wire Cloth Institute

    EIN 134147427 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. American Youth Football Inc

    EIN 061520935 · Headquarters: MONROE, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. American Youth Football Inc

    EIN 262753380 · Headquarters: New Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. American Youth Football Inc

    EIN 271878540 · Headquarters: Ridgefield, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  10. American Youth Football Inc

    EIN 453233189 · Headquarters: Danbury, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Youth Football Inc

    EIN 814166059 · Headquarters: West Haven, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. American Youth Football Inc

    EIN 821391498 · Headquarters: South Glastonbury, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Youth Football Inc

    EIN 824654658 · Headquarters: Redding, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Youth Football Inc

    EIN 862846741 · Headquarters: New Haven, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Youth Football Inc Dba

    EIN 943472168 · Headquarters: SHELTON, CT, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  16. American Youth Football Inc Hartford Wildcats Inc

    EIN 814904992 · Headquarters: HARTFORD, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  17. American Youth Hostels Inc

    EIN 060796667 · Headquarters: Windsor, CT, US · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  18. Americans with Disabilities Act Coalition of Connecticut Inc

    EIN 061419014 · Headquarters: Newington, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Americanwarriorusinc

    EIN 260758071 · Headquarters: VERSAILLES, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Americares

    EIN 061008595 · Headquarters: STAMFORD, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Americares Free Clinics Inc

    EIN 061422741 · Headquarters: STAMFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Americas Freedom Defenders

    EIN 274622585 · Headquarters: East Hartford, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Americas Freedom Defenders Ct1 Inc

    EIN 820642371 · Headquarters: East Hartford, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Americas Freedom Defendersct1a Inc

    EIN 821781605 · Headquarters: Torrington, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  25. Americo V Napolitano American Legion Post 141

    EIN 066107582 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Amerihope Inc

    EIN 333953945 · Headquarters: Berlin, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Ames Fund of the Ram Island Yacht Club Incorporated

    EIN 300090419 · Headquarters: Noank, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Amesville Association Inc

    EIN 061578813 · Headquarters: Salisbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Amistad Academy Inc C/o Achievement First Inc

    EIN 061546695 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Amita Lien Tri Association

    EIN 863377323 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Amity & Woodbridge Historical Society Incorporated

    EIN 066061829 · Headquarters: Woodbridge, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Amity Animal Rescue Fund Inc

    EIN 753267265 · Headquarters: BETHANY, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Amity Chamber of Commerce

    EIN 061479767 · Headquarters: ORANGE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Amity Education Association

    EIN 061027352 · Headquarters: WOODBRIDGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Amity Girls Youth Lacrosse Association Inc

    EIN 934892811 · Headquarters: Orange, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Amity Gridiron Club

    EIN 474112297 · Headquarters: ORANGE, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Amity High School Athletic Booster Club

    EIN 874773341 · Headquarters: Woodbridge, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Amity High School Ptso Inc

    EIN 464101755 · Headquarters: WOODBRIDGE, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Amity Middle School Orange Ptso Inc

    EIN 464101937 · Headquarters: Orange, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Amity Regional Aquatic Club Inc

    EIN 061358436 · Headquarters: ORANGE, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Amity Spartans Youth Football Inc

    EIN 334178842 · Headquarters: ORANGE, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Amity Teen Center Inc

    EIN 061218010 · Headquarters: Woodbridge, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Amity Travel Basketball Association Inc

    EIN 393755590 · Headquarters: orange, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Amity Youth Football and Cheerleading Inc

    EIN 262512786 · Headquarters: Woodbridge, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Amity Youth Football Inc

    EIN 223013444 · Headquarters: Orange, CT, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Amity Youth Lacrosse

    EIN 061573195 · Headquarters: Orange, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Ammecs Roots Initiative

    EIN 333926951 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Amnesty Community Development Corporation Inc

    EIN 800375798 · Headquarters: MIDDLETOWN, CT, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Amogerone Volunteer Fire Co #1 Inc

    EIN 066041123 · Headquarters: Greenwich, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Amoris Foundation Inc

    EIN 462265164 · Headquarters: Old Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  51. Amos House Inc

    EIN 061186179 · Headquarters: DANBURY, CT, USA · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990

  52. Amos Lake Association

    EIN 204081517 · Headquarters: Preston, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Amos Resources

    EIN 821707947 · Headquarters: Bridgeport, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Amour Propre Fund Inc C/o Cbiz

    EIN 834581458 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Amplify Inc

    EIN 060935780 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Ampufly Co

    EIN 842104110 · Headquarters: CHESHIRE, CT, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  57. Amston Lake Improvement Association

    EIN 223153618 · Headquarters: Amston, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Amvets

    EIN 020689086 · Headquarters: Harwinton, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  59. Amvets

    EIN 060980663 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Amvets

    EIN 061026511 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Amvets

    EIN 061253654 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Amvets

    EIN 061316626 · Headquarters: Sterling, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. Amvets

    EIN 061317283 · Headquarters: Hamden, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  64. Amvets

    EIN 061328901 · Headquarters: Wallingford, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. Amvets

    EIN 061473241 · Headquarters: Brooklyn, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Amvets

    EIN 061548826 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Amvets

    EIN 066068496 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Amvets

    EIN 066076503 · Headquarters: Somers, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Amvets

    EIN 066086878 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Amvets

    EIN 066087854 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Amvets

    EIN 222547628 · Headquarters: Enfierld, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  72. Amvets

    EIN 260849513 · Headquarters: Greenwich, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  73. Amvets

    EIN 264768481 · Headquarters: Windsor Locks, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. Amvets

    EIN 272954711 · Headquarters: Litchfield, CT, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Amvets

    EIN 300585345 · Headquarters: wauregan, CT, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  76. Amvets

    EIN 352376907 · Headquarters: Brooklyn, CT, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  77. Amvets

    EIN 510523113 · Headquarters: ENFIELD, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  78. Amvets

    EIN 834014230 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Amvets Aka Cindy M Beaudoin Amvets Post 47

    EIN 061016821 · Headquarters: Central Village, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Amy Romano Memorial Fund

    EIN 260550119 · Headquarters: enfield, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Amy Shapiro Scholarship Foundation Inc C/o Act Financial and Tax Services Llc

    EIN 133693797 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. Amy's Angels Corporation

    EIN 464657078 · Headquarters: SIMSBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Amydor Equine Rescue Inc

    EIN 332729920 · Headquarters: PRESTON, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Amz Global Outreach Inc

    EIN 352654724 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. An Anchor of H O P E Missions Inc

    EIN 874094363 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. An-Noor International Foundation Inc

    EIN 061565643 · Headquarters: Milford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Ana Grace Academy of the Arts Paren T Teacher Organization Inc

    EIN 461678569 · Headquarters: Avon, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Anajali Ministries Inc

    EIN 262890390 · Headquarters: Scotland, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  89. Anam Cara Sanctuary Inc

    EIN 923739039 · Headquarters: EAST HADDAM, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Ananda Marga Gurukula Inc - Aka Neohumanist Education Foundation Inc

    EIN 474695042 · Headquarters: EAST HAVEN, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Ananda Unlimited

    EIN 473526013 · Headquarters: Waterford, CT, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  92. Anantaa-om Foundation

    EIN 472531318 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Anastasiathinks

    EIN 453235514 · Headquarters: Weston, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Anchor Academy Inc

    EIN 203300692 · Headquarters: NORWALK, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Anchor and Key Ministries Incorporated

    EIN 933146403 · Headquarters: Avon, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Anchor Early Years Inc

    EIN 332826047 · Headquarters: Wolcott, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Anchor Fasteners Employees Association of Waterbury Conn 0670

    EIN 237058570 · Headquarters: Waterbury, CT, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  98. Anchor Health Initiative Corp

    EIN 812826560 · Headquarters: STAMFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Anchors for Hope Inc

    EIN 812490714 · Headquarters: GREENWICH, CT, US · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  100. Anchors Up Rescue Group

    EIN 813129212 · Headquarters: Plainfield, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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