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. Iglesia Pentecostal Unida Hispana Inc El Gran Yo Soy New Haven Ct

    EIN 475571128 · Headquarters: NEW HAVEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Iglesia Remanente Del Septimo Dia

    EIN 934578459 · Headquarters: NEW LONDON, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ignite the Voice

    EIN 812852578 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Igor I Sikorsky Historical Archivesinc C/o Sacred Heart University

    EIN 061451625 · Headquarters: FAIRFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Iha Inc

    EIN 061566759 · Headquarters: WESTPORT, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Ihs Sonlile Support Services Inc

    EIN 264735824 · Headquarters: CROMWELL, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  7. Ikenga-nri Community USA

    EIN 010875681 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Ilias Kementzidis Musical Scholarship Fund Inc

    EIN 640952598 · Headquarters: NORWALK, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Im Possible Project Inc

    EIN 472748900 · Headquarters: Wallingford, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Im-safe Institute Inc

    EIN 273397033 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  11. Imagine College Ct

    EIN 923819982 · Headquarters: West Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Imagine Connecticut Inc

    EIN 812588490 · Headquarters: WESTPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Imagine Main Street Inc

    EIN 461674838 · Headquarters: Manchester, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Imagine Manchester Inc

    EIN 993315152 · Headquarters: Manchester, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Imagine RBC Inc

    EIN 824917580 · Headquarters: Waterford, CT, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  16. Imaginex Productions

    EIN 921899905 · Headquarters: Coventry, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Imago Dei Classical Academy Inc

    EIN 810798683 · Headquarters: New Britain, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Imhotep Connecticut Nma Society Inc

    EIN 853063001 · Headquarters: FARMINGTON, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Immacare Inc

    EIN 223121606 · Headquarters: HARTFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Immanuel Church Housing Corporation

    EIN 066089863 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Immanuel House Foundation for The

    EIN 222480380 · Headquarters: Hartford, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Immanuel Hudson House Inc

    EIN 205128371 · Headquarters: Hartford, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Immanuel Lutheran Foundation

    EIN 061503246 · Headquarters: Bristol, CT, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Immigration Advocacy & Support Center

    EIN 822660138 · Headquarters: New London, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Immix Dance Project Inc

    EIN 872445378 · Headquarters: Ellington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Impact 100 Fairfield County

    EIN 472770533 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Impact 100 Southern Connecticut

    EIN 331312101 · Headquarters: GLASTONBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Impact Futures Inc

    EIN 933668915 · Headquarters: New London, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Impact Inc

    EIN 066011968 · Headquarters: MIDDLETOWN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Impact Inc

    EIN 261865469 · Headquarters: Berlin, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Impact Others Inc

    EIN 453157384 · Headquarters: Norwalk, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Impact Travel

    EIN 822036282 · Headquarters: Branford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Impactrumbull

    EIN 461731875 · Headquarters: Trumbull, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Imperial Sovereign Court of All Connecticut Inc

    EIN 061545624 · Headquarters: Hartford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Imploy Inc

    EIN 832470418 · Headquarters: Oxford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Improved Benevolent & Protective Order of Elks of the World

    EIN 060470624 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Improved Benevolent & Protective Order of Elks of the World

    EIN 066150611 · Headquarters: STAMFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

  38. Improved Benevolent & Protective Order of Elks of the World

    EIN 510181499 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Improved Benevolent & Protective Order of Elks of the World

    EIN 510207794 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Improved Benevolent & Protective Order of Elks of the World

    EIN 510210766 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Improved Benevolent & Protective Order of Elks of the World

    EIN 510212062 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  42. Improved Benevolent & Protective Order of Elks of the World

    EIN 510214868 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. Improved Order of Redmen Degree of Pocahontas Great Council of Connec

    EIN 237111214 · Headquarters: Oakdale, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  44. Improved Order of Redmen Degree of Pocahontas Great Council of Connec

    EIN 237111225 · Headquarters: Torrington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Improved Order of Redmen Degree of Pocahontas Great Council of Connec

    EIN 237111229 · Headquarters: Branford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  46. Improved Order of Redmen Degree of Pocahontas Great Council of Connec

    EIN 237111236 · Headquarters: Naugatuck, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  47. Improvement Through Education Inc

    EIN 861968773 · Headquarters: darien, CT, US · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  48. Imran Khan Cancer Appeal Inc

    EIN 133626299 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. In a Heartbeat Inc

    EIN 474844713 · Headquarters: WALLINGFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. In Care of Creatures Inc

    EIN 932569123 · Headquarters: BRIDGEWATER, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. In Care of Dad

    EIN 473067601 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. In Care of Dad Inc

    EIN 811529028 · Headquarters: HARTFORD, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. In Gods Hands Inc

    EIN 853897576 · Headquarters: wolcott, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. In Good Company Inc

    EIN 061442906 · Headquarters: Branford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. In Memoriam Cemetery Assoc

    EIN 060400075 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. In My Hands Inc

    EIN 922106219 · Headquarters: Branford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. In Our Blessed Mother S Arms Inc

    EIN 464099907 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. In Soccer Outreach Inc

    EIN 454124298 · Headquarters: Hawleyville, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. In the Nick of Time Inc

    EIN 992764542 · Headquarters: Ellington, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. In-home Addiction Treatment Institute Inc

    EIN 832747834 · Headquarters: WALLINGFORD, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2021 · Primary form: IRS Form 990

  61. In-home Angels Foundation Inc

    EIN 931483684 · Headquarters: Derby, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. In-the-making Inc

    EIN 061521333 · Headquarters: WATERBURY, CT, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  63. Incarnation Center

    EIN 135657791 · Headquarters: Deep River, CT, United States · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Incentives for Global Health

    EIN 260844075 · Headquarters: New Haven, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Inclusion A Sylvestre Foundation Inc

    EIN 832250521 · Headquarters: Stonington, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Inclusionbridge Inc

    EIN 881166644 · Headquarters: Norwalk, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Inclusive Abundance Action Inc

    EIN 993705569 · Headquarters: GREENWICH, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Inclusive Abundance Initiative Inc

    EIN 933864714 · Headquarters: GREENWICH, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Inclusive Industries Inc

    EIN 332134456 · Headquarters: DARIEN, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Inclusive Prosperity Capital Inc

    EIN 830808658 · Headquarters: HARTFORD, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Inclusive Together Co

    EIN 934174919 · Headquarters: New Canaan, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Independence Northwest Inc

    EIN 061246618 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Independence Unlimited Inc

    EIN 112848994 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Independent Connecticut Artist Network Inc

    EIN 882015678 · Headquarters: Bridgeport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Independent Connecticut Petroleum Association Education Foundation Inc

    EIN 542145297 · Headquarters: Cromwell, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Independent Connecticut Petroleum Association Inc

    EIN 237106331 · Headquarters: Cromwell, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Independent Electrical Contractors of New England Inc

    EIN 237121437 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Independent Insurance Agents of Connecti

    EIN 060605491 · Headquarters: W HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Independent Order of Foresters

    EIN 237562967 · Headquarters: Torrington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Independent Order of Odd Fellows

    EIN 060936336 · Headquarters: WATERBURY, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Independent Order of Odd Fellows

    EIN 060953183 · Headquarters: Stamford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  82. Independent Order of Odd Fellows

    EIN 060993828 · Headquarters: Naugatuck, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  83. Independent Order of Odd Fellows

    EIN 061012988 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Independent Order of Odd Fellows

    EIN 061095086 · Headquarters: Mystic, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Independent Order of Odd Fellows

    EIN 061096920 · Headquarters: Salem, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  86. Independent Order of Odd Fellows

    EIN 061139551 · Headquarters: New Milford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  87. Independent Order of Odd Fellows

    EIN 061182745 · Headquarters: Cheshire, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  88. Independent Order of Odd Fellows

    EIN 061191654 · Headquarters: Waterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. Independent Order of Odd Fellows

    EIN 066038061 · Headquarters: East Hartford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  90. Independent Order of Odd Fellows

    EIN 066038748 · Headquarters: New Milford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Independent Order of Odd Fellows

    EIN 066044509 · Headquarters: Waterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  92. Independent Order of Odd Fellows

    EIN 066047128 · Headquarters: Waterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  93. Independent Order of Odd Fellows

    EIN 066053394 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Independent Order of Odd Fellows

    EIN 066053992 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Independent Order of Odd Fellows

    EIN 066054140 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Independent Order of Odd Fellows

    EIN 066057990 · Headquarters: NAUGATUCK, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. Independent Order of Odd Fellows

    EIN 066065225 · Headquarters: WARREN, CT, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  98. Independent Order of Odd Fellows

    EIN 066086406 · Headquarters: Stratford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. Independent Order of Odd Fellows

    EIN 066182013 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Independent Order of Odd Fellows

    EIN 161652509 · Headquarters: warren, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

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