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. Lax2win Lacrosse Inc

    EIN 208944466 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. Layavinyasa Company

    EIN 862377427 · Headquarters: GLASTONBURY, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Laz Charitable Foundation Inc

    EIN 364663472 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Lazar Foundation for the Performing Arts Inc

    EIN 454906247 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Lbg Research Institute Incorporated

    EIN 203949128 · Headquarters: Stamford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Lcr-ct Inc

    EIN 872964957 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  7. Lde Foundation

    EIN 542075752 · Headquarters: West Hartford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. Le Grand Orient Des Haitiens Damerique Sc Des 33Rd Inc

    EIN 263086881 · Headquarters: stratford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. Lead Nexus

    EIN 873729387 · Headquarters: danbury, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Leader of the Rescue Pack Inc

    EIN 812212093 · Headquarters: Rowayton, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Leaders of the Next Generation

    EIN 934720973 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Leadership Education and Athletics in Partnership Inc

    EIN 222906547 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Leadership Exchange Inc

    EIN 453694612 · Headquarters: Greenwich, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Leadership Greater Hartford Inc

    EIN 061167174 · Headquarters: HARTFORD, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Leadership Through Sport and Business

    EIN 851926016 · Headquarters: Pomfret, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. LeadingAge Connecticut & Rhode Island

    EIN 510197198 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. League of Women Voters of Connecticut Inc

    EIN 060303635 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. League of Women Voters of Connecticut Inc

    EIN 060606110 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. League of Women Voters of Connecticut Inc

    EIN 061011507 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. League of Women Voters of Connecticut Inc

    EIN 066039719 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. League of Women Voters of Connecticut Inc

    EIN 066040054 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. League of Women Voters of Connecticut Inc

    EIN 066045368 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. League of Women Voters of Connecticut Inc

    EIN 066052740 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. League of Women Voters of Connecticut Inc

    EIN 066052751 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. League of Women Voters of Connecticut Inc

    EIN 066052818 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. League of Women Voters of Connecticut Inc

    EIN 066053029 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. League of Women Voters of Connecticut Inc

    EIN 066054686 · Headquarters: Bethany, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. League of Women Voters of Connecticut Inc

    EIN 066060212 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. League of Women Voters of Connecticut Inc

    EIN 066063450 · Headquarters: Lyme, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. League of Women Voters of Connecticut Inc

    EIN 066066624 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. League of Women Voters of Connecticut Inc

    EIN 066072170 · Headquarters: New Canaan, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. League of Women Voters of Connecticut Inc

    EIN 066076317 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. League of Women Voters of Connecticut Inc

    EIN 066077787 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. League of Women Voters of Connecticut Inc

    EIN 066077795 · Headquarters: Redding, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. League of Women Voters of Connecticut Inc

    EIN 066077800 · Headquarters: Hamden, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. League of Women Voters of Connecticut Inc

    EIN 066077804 · Headquarters: Hamden, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. League of Women Voters of Connecticut Inc

    EIN 066099323 · Headquarters: Danbury, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  38. League of Women Voters of Connecticut Inc

    EIN 222801817 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. League of Women Voters of Connecticut Inc

    EIN 237093072 · Headquarters: Canton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  40. League of Women Voters of Connecticut Inc

    EIN 237093073 · Headquarters: Litchfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. League of Women Voters of Connecticut-education Fund Inc

    EIN 061427498 · Headquarters: HAMDEN, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. League of Women Voters of Greater Middletown Education Fund Inc

    EIN 061242548 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. League of Women Voters of Greenwich Inc

    EIN 237138149 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. League of Women Voters of Ne Connecticut Inc

    EIN 066076318 · Headquarters: Windham, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. League of Women Voters of Ridgefield Inc

    EIN 066077788 · Headquarters: RIDGEFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. League of Women Voters of Weston Inc

    EIN 066076316 · Headquarters: Weston, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. League of Womens Voters of Connecticut Inc

    EIN 066076270 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. League of Womens Voters of Connecticut Inc

    EIN 066077803 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Leah & Sophia Future Foundation

    EIN 883205825 · Headquarters: COS COB, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. Lean Product and Process Development Exchange Inc

    EIN 412251298 · Headquarters: West Hartford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Leap

    EIN 452483855 · Headquarters: DARIEN, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Leaps of Faith Water Ski Club Inc Dba Lof Adaptive Skiers

    EIN 061513214 · Headquarters: SANDY HOOK, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Learn for Life Inc

    EIN 300523254 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Learn From Horses Inc

    EIN 831308082 · Headquarters: Newtown, CT, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Learn2flyorg Inc

    EIN 461177996 · Headquarters: Norwalk, CT, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  56. Learnerspace Inc

    EIN 273297104 · Headquarters: West Redding, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Learning Community Inc

    EIN 060870653 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Learning Disabilities Association of Connecticut

    EIN 844636651 · Headquarters: Fairfield, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Learning Forward Ct Incorporated

    EIN 851299079 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Learning in Retirement

    EIN 992902944 · Headquarters: Danielson, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Learning in Retirement Inc C/o Temple Beth El

    EIN 270400305 · Headquarters: STAMFORD, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Learning Tails Inc

    EIN 392221104 · Headquarters: Wethersfield, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Learning to Thrive Inc

    EIN 392273611 · Headquarters: Shelton, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Leas Foundation for Leukemia Research

    EIN 061520923 · Headquarters: BLOOMFIELD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Leaves a Human Service Institute Incorporated

    EIN 731694141 · Headquarters: Guilford, CT, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  66. Lebanon American Club of Danbury Incorporated

    EIN 060424259 · Headquarters: Danbury, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Lebanon Connecticut Business Association Llc

    EIN 331116200 · Headquarters: Lebanon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. Lebanon Cooperative Nursery School

    EIN 060861115 · Headquarters: Lebanon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Lebanon Education Foundation Inc

    EIN 841628456 · Headquarters: Lebanon, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  70. Lebanon Elementary PTA

    EIN 222683701 · Headquarters: Lebanon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Lebanon Historical Society

    EIN 060942503 · Headquarters: LEBANON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. Lebanon Junior Soccer Club Inc

    EIN 060996604 · Headquarters: Lebanon, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Lebanon Lions Club Inc

    EIN 060994570 · Headquarters: LEBANON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Lebanon Middle School Parent Association

    EIN 061777110 · Headquarters: lebanon, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. Lebanon Middle School PTO

    EIN 880685540 · Headquarters: Lebanon, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  76. Lebanon Regional Ffa Parent & Alumni Assoc

    EIN 335029037 · Headquarters: Lebanon, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Lebanon Volunteer Fire Department, Inc.

    EIN 100006500 · Headquarters: LEBANON, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Led by Christ Church Inc

    EIN 854331953 · Headquarters: Bridgeport, CT, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. Ledge Light Foundation

    EIN 471831785 · Headquarters: GROTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ledyard Athletic Booster Club

    EIN 800536247 · Headquarters: Ledyard, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Ledyard Chain Inc

    EIN 462202268 · Headquarters: LEDYARD, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Ledyard Ecclesiastical Society

    EIN 066041057 · Headquarters: Ledyard, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Ledyard Education Advancement Foundation

    EIN 412076557 · Headquarters: Ledyard, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Ledyard Fair Inc

    EIN 061100663 · Headquarters: Ledyard, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  85. Ledyard Fire Co Dist 1

    EIN 061019185 · Headquarters: Ledyard, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ledyard High School Alumni Assoc

    EIN 061312186 · Headquarters: Preston, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  87. Ledyard High School Class of 2020 Parent Organization

    EIN 821684591 · Headquarters: Gales Ferry, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  88. Ledyard Historical Society Inc

    EIN 066098857 · Headquarters: Ledyard, CT, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. Ledyard Inter Church Emergency Assistance Fund Inc

    EIN 061177057 · Headquarters: Gales Ferry, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Ledyard Little League Inc

    EIN 061390558 · Headquarters: Ledyard, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Ledyard Police Union Local 2693

    EIN 223487343 · Headquarters: Ledyard, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Ledyard Rotary Foundation Inc

    EIN 061515528 · Headquarters: Gales Ferry, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Ledyard Soccer Club Inc

    EIN 061084118 · Headquarters: LEDYARD, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  94. Ledyard Youth Basketball League Inc

    EIN 831908341 · Headquarters: Ledyard, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Ledyard Youth League Cheerleading

    EIN 260487311 · Headquarters: Ledyard, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Ledyard Youth League Inc

    EIN 061525615 · Headquarters: LEDYARD, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Lee Shubert Uw Tr Fbo Shubert

    EIN 136260534 · Headquarters: POMFRET, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Lee-career High Alumni Association

    EIN 932299923 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Leead International Inc

    EIN 061571147 · Headquarters: Portland, CT, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Leegeorge Pantry

    EIN 863523512 · Headquarters: WEST HAVEN, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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