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. ACHIEVEMENT FIRST EAST New York CHARTER School C/o Achievement First Inc

    EIN 202574544 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  2. Achievement First Endeavor Charter School C/o Achievement First Inc

    EIN 204776460 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  3. Achievement First Hartford Academy C/o Achievement First Inc

    EIN 262236909 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Achievement Unlimited 2 Inc

    EIN 332768200 · Headquarters: Windsor, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Acjfoundation Haiti School and Orphanage Inc

    EIN 814125206 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Acorn Club

    EIN 066099431 · Headquarters: Berlin, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Acorn Fund

    EIN 200196995 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Acrobatics Circus Troupe Inc

    EIN 842735073 · Headquarters: Norwalk, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Across Nigeria

    EIN 833403994 · Headquarters: new hartford, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. ACT II Thrift Shop Inc

    EIN 262535551 · Headquarters: Madison, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Act Justly Love Mercy Foundation

    EIN 995095833 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Act of Connecticut

    EIN 813092871 · Headquarters: RIDGEFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Act Up Theater Inc

    EIN 811065321 · Headquarters: Hartford, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Acting Company of Greenwich Inc

    EIN 061307437 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. Action Housing Inc

    EIN 060861889 · Headquarters: Stamford, CT, US · Housing & Shelter · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Action Outreach Project Inc

    EIN 392630248 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Action Together Connecticut Inc

    EIN 822867682 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  18. Action Wildlife Foundation Inc

    EIN 061401697 · Headquarters: Goshen, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Active City Inc

    EIN 320433528 · Headquarters: Hartford, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Activities for Kids Inc

    EIN 061091246 · Headquarters: STAMFORD, CT, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  21. Acton Public Library Foundation

    EIN 332748437 · Headquarters: Old Saybrook, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Acts 4 Ministry Inc

    EIN 203676244 · Headquarters: WATERBURY, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. ACTS Ministries International Inc

    EIN 205002741 · Headquarters: West Hartford, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Acts Missions

    EIN 264773863 · Headquarters: Old Lyme, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Actuaries Club of Hartford

    EIN 066081472 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Acucares Foundation

    EIN 842918250 · Headquarters: SHELTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Acute Care Geriatric Nursing Collaborative Inc

    EIN 831414315 · Headquarters: BRIDGEPORT, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Adah Chapter No 22 Order of the Eastern Star Prince Hall Affil

    EIN 060964694 · Headquarters: Hartford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Adam J Lewis Academy Inc

    EIN 453859735 · Headquarters: BRIDGEPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Adam Kreiger Fund

    EIN 061374894 · Headquarters: Fairfield, CT, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Adam Stanton House Incorporated

    EIN 820651118 · Headquarters: CLINTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Adams Adventure

    EIN 274450349 · Headquarters: TOLLAND, CT, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  33. Adams Family Foundation Inc

    EIN 461605185 · Headquarters: EAST HAVEN, CT, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Adassa Martin Foundation Inc

    EIN 934258488 · Headquarters: Stamford, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Add Student Leadership Inc Co Louise Levin

    EIN 203633396 · Headquarters: GREENS FARMS, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  36. Addiction Recovery Resources Corp

    EIN 471162023 · Headquarters: GUILFORD, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. Adding Love & Support Inc

    EIN 204911494 · Headquarters: Westport, CT, US · Medical Research · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  38. Addison Hines Charitable Tr

    EIN 201679943 · Headquarters: OXFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Adelaide Coe Godfrey Trust Fbo Coe Park

    EIN 066090628 · Headquarters: TORRINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. Adelbrook Community Services Inc

    EIN 383714954 · Headquarters: CROMWELL, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Adelbrook Inc

    EIN 060646920 · Headquarters: CROMWELL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Adelphic Literary Society of Wesleyan University

    EIN 066070896 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Adesso Choral Society

    EIN 432032750 · Headquarters: Fairfield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  44. Adha Connecticut Southeastern Inc

    EIN 900618885 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Adha Ct Northeastern Inc

    EIN 066059492 · Headquarters: COLCHESTER, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Adha-Connecticut

    EIN 066056201 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  47. Adha-ct Northwestern

    EIN 824324112 · Headquarters: Thomaston, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Adjacent Possible Studio Inc John Metzner

    EIN 933118206 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Adler Animal Welfare Incorporated C/o Jane Adler

    EIN 454006282 · Headquarters: MADISON, CT, USA · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  50. Administrative & Residual A&r Cope

    EIN 061331142 · Headquarters: ROCKY HILL, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Adminstrative Maintenance Fund

    EIN 061456222 · Headquarters: BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Adolph and Ruth Schnurmacher Foundation Inc

    EIN 132938935 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Adolph R Czepiel Memorial Fund C/o Janet Czepiel Trustee

    EIN 061589945 · Headquarters: SOUTHINGTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Adopta Una Familia Inc

    EIN 454532795 · Headquarters: WEST HARTFORD, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Adoption Hope Foundation Inc

    EIN 472550440 · Headquarters: Fairfield, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  56. Adoption Resource Center of Connecticut Inc

    EIN 061532846 · Headquarters: Glastonbury, CT, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. Adoptive Parents Committee Inc C/o Lisa Hanratty

    EIN 136193701 · Headquarters: DANBURY, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Adp Community Outreach Center Inc

    EIN 475020228 · Headquarters: Waterbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Adriftproject Residency Inc

    EIN 883723170 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Adult Learning Program Inc

    EIN 300826277 · Headquarters: Farmington, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Adult Vocational Programs Inc

    EIN 061114196 · Headquarters: CHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Advance Asia

    EIN 260241373 · Headquarters: STAMFORD, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  63. Advancect Foundation Inc

    EIN 844530545 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Advancing Connecticut Together Inc

    EIN 223014883 · Headquarters: HARTFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Advancing Excellence in Long Term Care Collaborative Inc

    EIN 900609105 · Headquarters: Georgetown, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Advancing Health After Hysterectomy Foundation

    EIN 472116734 · Headquarters: Woodbridge, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Advancing Heroes Fund Incorporated

    EIN 991144364 · Headquarters: Seymour, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Adventures in Astronomy Inc

    EIN 920559324 · Headquarters: GREENWICH, CT, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Adversity to Prosperity

    EIN 463251386 · Headquarters: Norwalk, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Advertising Club of Greater Hartford Inc

    EIN 237295213 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Advocacy Academy Accomplish Education Inc

    EIN 813411341 · Headquarters: Meriden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Advocacy for the Animals Inc

    EIN 392852017 · Headquarters: Cheshire, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Advocacy to Legacy Corp

    EIN 822688039 · Headquarters: Hartford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Advocacy Unlimited Inc

    EIN 061516101 · Headquarters: NEW BRITAIN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Advocate Community Care Agency Inc

    EIN 061529592 · Headquarters: WEST HARTFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Advocate Performing Arts Association Inc

    EIN 061363919 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Advocates for Bristol Seniors Inc

    EIN 060996505 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Advocates for Community Awareness Inc

    EIN 824393481 · Headquarters: Easton, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. Advocates for the African Child Inc

    EIN 030556017 · Headquarters: Monroe, CT, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Advocates of Classical Magnet

    EIN 812030372 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Ae Ski Club Inc

    EIN 061632546 · Headquarters: Hartford, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Aega Ministries International Inc

    EIN 364625614 · Headquarters: STAMFORD, CT, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Aegis

    EIN 333504327 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Aerial Investigation Regiment AIR Inc

    EIN 873408992 · Headquarters: SOUTHINGTON, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Aerial Pet Recovery Inc

    EIN 990965230 · Headquarters: Westport, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Aeris Inc

    EIN 990390117 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Aerospace Components Manufacturers Inc

    EIN 061547223 · Headquarters: EAST HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Aes-ct

    EIN 843371541 · Headquarters: MADISON, CT, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  89. Aetna Foundation Inc

    EIN 237241940 · Headquarters: HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  90. Aetna Retirees Association Inc

    EIN 320122360 · Headquarters: EAST HARTFORD, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Affordable Housing Accreditation Board

    EIN 464458654 · Headquarters: Cheshire, CT, USA · Housing & Shelter · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  92. Affordable Housing Corporation

    EIN 061270903 · Headquarters: WEATOGUE, CT, USA · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  93. Affordable Housing of Ridgefield Rha Inc

    EIN 992187172 · Headquarters: RIDGEFIELD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Afghan Female Student Outreach

    EIN 931909839 · Headquarters: West Hartford, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Afghan Hound Rescue of New England

    EIN 522404473 · Headquarters: Wethersfield, CT, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  96. Afghan Society of Connecticut Inc

    EIN 371487905 · Headquarters: West Hartford, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Afghanistan Human Rights Center Inc

    EIN 932134442 · Headquarters: West Haven, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Afghanistan Iraq Veterans War Memorial Fund Inc

    EIN 883894149 · Headquarters: DANBURY, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Afghanistan Rescue Effort Inc

    EIN 061419677 · Headquarters: Bloomfield, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  100. Afghanistan-pakistan Women S Economic Empowerment Inc

    EIN 870933902 · Headquarters: OAKVILLE, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

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