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. Conn Defense Lawyers Association Inc

    EIN 223153474 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Conn Independent College & Univ Ins for Research & Public Service Inc

    EIN 061408702 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Conn Labor Mgmt Coop Comm Trust Fund

    EIN 066400524 · Headquarters: BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Conn Masonry Industry Advancement Fund Inc

    EIN 222519853 · Headquarters: GRANBY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Conn River Valley Golden Retriever Club Inc

    EIN 223305504 · Headquarters: West Suffield, CT, US · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  6. Conn Roofing Contractors Association

    EIN 061253658 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Conncorp Llc

    EIN 823795053 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Connecitcut Panthers Youth Baseball Incorporated

    EIN 843372172 · Headquarters: Mansfield Center, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. Connect Kids Outreach Services

    EIN 854336895 · Headquarters: Waterbury, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  10. Connect Us Inc

    EIN 384043924 · Headquarters: BRIDGEPORT, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Connect Veterans

    EIN 273919881 · Headquarters: Orange, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Connectcare Community Center Inc

    EIN 334589870 · Headquarters: Danbury, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Connected Arts Inc

    EIN 884238111 · Headquarters: Southbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Connected Cultures

    EIN 061510900 · Headquarters: Southbury, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  15. Connecticosh Health Technical Committee Inc

    EIN 222509533 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Connectictut Grey Rugby Union Football Club

    EIN 993443596 · Headquarters: salem, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Connecticut 4-H Foundation Inc

    EIN 473806389 · Headquarters: Storrs, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Connecticut Academy for the Arts Inc

    EIN 273460511 · Headquarters: Torrington, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Connecticut Academy of Arts and Sciences

    EIN 237094274 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Connecticut Academy of Audiology Inc

    EIN 550910690 · Headquarters: Vernon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Connecticut Academy of Family Physicians Foundation

    EIN 208523884 · Headquarters: Bloomfield, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Connecticut Academy of Fine Arts

    EIN 061301159 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Connecticut Academy of Physician Associates Inc

    EIN 060955569 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Connecticut Academy of Science & Engineering Inc

    EIN 060945458 · Headquarters: EAST HARTFORD, CT, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Connecticut Action Network Inc

    EIN 830696283 · Headquarters: New Canaan, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  26. Connecticut Actors Studio and Theatre Incorporated

    EIN 222474728 · Headquarters: NORWALK, CT, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  27. Connecticut Adoption & Family Services Inc

    EIN 061289319 · Headquarters: NEW LONDON, CT, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990

  28. Connecticut Adult Soccer League Inc

    EIN 472071531 · Headquarters: New Haven, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Connecticut Advocates for Parkinsons Inc

    EIN 452558163 · Headquarters: MARLBOROUGH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  30. Connecticut Aeronautical Historical Association Inc

    EIN 066069083 · Headquarters: WINDSOR LOCKS, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Connecticut Aerospace Hall of Fame & Mus

    EIN 311604748 · Headquarters: STRATFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Connecticut Agricultural Business

    EIN 020556478 · Headquarters: WINDSOR, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  33. Connecticut Agricultural Education Foundation Inc

    EIN 222635686 · Headquarters: ENFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Connecticut Agricultural Experiment Station Research Foundation Inc

    EIN 260367921 · Headquarters: New Haven, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Connecticut Airgunners Club Inc

    EIN 824437736 · Headquarters: Meriden, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Connecticut Al-anon Family Groups Services Inc

    EIN 522403168 · Headquarters: HARTFORD, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Connecticut Alarm & Systems Integrators Association Inc

    EIN 061039173 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Connecticut Alcohol Retailers Exchange Inc

    EIN 814236973 · Headquarters: East Hampton, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Connecticut Allergy Society

    EIN 061354047 · Headquarters: West Hartford, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Connecticut Alliance Against Casino Expansion Inc

    EIN 522384777 · Headquarters: RIDGEFIELD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. Connecticut Alliance for Arts Education

    EIN 352449477 · Headquarters: Norwalk, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Connecticut Alliance for Better Communities

    EIN 760752730 · Headquarters: HARTFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Connecticut Alliance for Long Term Care

    EIN 061465316 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  44. Connecticut Alliance for Music Inc C/o Barry Persky

    EIN 237202884 · Headquarters: TRUMBULL, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  45. Connecticut Alliance for Retired Americans Inc

    EIN 471705125 · Headquarters: wethersfield, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Connecticut Alliance for Victims of Violence and Their Families

    EIN 030466336 · Headquarters: West Hartford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Connecticut Alliance of City Police

    EIN 455204029 · Headquarters: WATERBURY, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Connecticut Alliance of City Police Elm City Local Cacp

    EIN 465595886 · Headquarters: NEW HAVEN, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Connecticut Alliance of Foster and Adoptive Families Inc

    EIN 061431360 · Headquarters: ROCKY HILL, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Connecticut Alliance of Recovery Residences

    EIN 824826904 · Headquarters: East Haven, CT, US · Housing & Shelter · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. Connecticut Alliance To Benefit Law Enforcement

    EIN 270034635 · Headquarters: Newington, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Connecticut Alliance to End Sexual Violence Inc

    EIN 061076946 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Connecticut Alpha of Pi Beta Phi House Association Inc

    EIN 237215163 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Connecticut Alpha of Sigma Phi Epsilon Fraternity Alumni and Volunteer Corp

    EIN 812608029 · Headquarters: NORTH HAVEN, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Connecticut Alumni Senior Drum and Bugle Corps

    EIN 061440487 · Headquarters: SHELTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Connecticut American Legion Foundation Inc

    EIN 832722405 · Headquarters: Cromwell, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Connecticut Amvets Service Foundation Inc

    EIN 222986432 · Headquarters: WALLINGFORD, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Connecticut Ancestry Society Inc

    EIN 066070228 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Connecticut and Rhode Island Coastal Fixfishers Inc

    EIN 223506732 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Connecticut and Rhode Island State Alliance of Ymcas Inc

    EIN 882721805 · Headquarters: CHESTER, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Connecticut and Rhode Island Ymca Partnership Inc

    EIN 882789422 · Headquarters: CHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Connecticut Angels Incorporated

    EIN 473145507 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Connecticut Animal Care & Control Officers Alliance Inc

    EIN 923085127 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Connecticut Antique Fire Apparatus Assoc Inc

    EIN 237295196 · Headquarters: EAST WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Connecticut Antique Machinery Association Inc

    EIN 061090238 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Connecticut Apartment Association

    EIN 100006520 · Headquarters: Wethersfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Connecticut Apple Marketing Board

    EIN 061208238 · Headquarters: Hartford, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  68. Connecticut Appleseed Center for Law and Justice Inc

    EIN 061501061 · Headquarters: Vernon, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Connecticut Appraisal Education Foundation Inc

    EIN 061197293 · Headquarters: New Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Connecticut Aquatic Club Boosters Inc

    EIN 510474199 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Connecticut Architecture Foundation

    EIN 060986218 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Connecticut Area Reef Society

    EIN 383720427 · Headquarters: Waterford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Connecticut Art Directors Club Inc

    EIN 060932222 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Connecticut Art Education Associationinc

    EIN 061423399 · Headquarters: NEW CANAAN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Connecticut Arts Administrators Association

    EIN 812679688 · Headquarters: SOUTHINGTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Connecticut Arts Advocacy Network Incorporation

    EIN 203524605 · Headquarters: Kent, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Connecticut Arts Alliance Inc

    EIN 851608469 · Headquarters: KENT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Connecticut Arts Council Foundation Inc

    EIN 475365580 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Connecticut Arts Docent Network

    EIN 061780183 · Headquarters: WEST HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Connecticut Asia Culture Center Inc

    EIN 844361463 · Headquarters: Norfolk, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Connecticut Asian Pacific Bar Association

    EIN 061582376 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Connecticut Asphalt & Aggregate Producers Association Inc

    EIN 066068537 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Connecticut Assets Network Inc

    EIN 061604490 · Headquarters: WETHERSFIELD, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990

  84. Connecticut Assisted Living Association

    EIN 061432143 · Headquarters: Old Lyme, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Connecticut Assn of Physicians of Indian Origin Inc

    EIN 061309460 · Headquarters: Unionville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Connecticut Assoc of Adult & Continuing Education

    EIN 061268661 · Headquarters: UNIONVILLE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Connecticut Assoc of Filipino American Families Inc

    EIN 300521501 · Headquarters: Norwalk, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Connecticut Assoc of Personnel Serv C/o Barbara Wisausky

    EIN 061003668 · Headquarters: CHESHIRE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990

  89. Connecticut Assoc of Prof Financial Aid Adm

    EIN 060986627 · Headquarters: NEW LONDON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Connecticut Assoc Therapeutic Rec

    EIN 061045621 · Headquarters: torrington, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Connecticut Association for Aviculture Inc

    EIN 061099423 · Headquarters: Hartford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Connecticut Association for Behavior Analysis Inc

    EIN 010973916 · Headquarters: Prospect, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Connecticut Association for Community Action Inc

    EIN 060924931 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  94. Connecticut Association for Community Transportation

    EIN 061508216 · Headquarters: Canton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Connecticut Association for Healthcare at Home Inc

    EIN 060867238 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Connecticut Association for Healthcare Quality

    EIN 061498545 · Headquarters: Branford, CT, US · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  97. Connecticut Association for Human Services Inc

    EIN 060653158 · Headquarters: HARTFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Connecticut Association for Infant Mental Health Inc

    EIN 262749756 · Headquarters: NEW HAVEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Connecticut Association for Jungian Psychology Inc

    EIN 061050149 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Connecticut Association for Reading Research

    EIN 060951286 · Headquarters: SIMSBURY, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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