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. International Association of Fire Fighters

    EIN 833601301 · Headquarters: West Haven, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. International Association of Fire Fighters

    EIN 912003359 · Headquarters: Farmington, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  3. International Association of Fire Fighters Ladies Auxiliary

    EIN 412258447 · Headquarters: Guilford, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  4. International Association of Fire Fighters Local 1579

    EIN 066084738 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. International Association of Fire Fighters Local 2954 Tolland F D

    EIN 061557828 · Headquarters: TOLLAND, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Association of Fire Fighters Local 760

    EIN 060900782 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. International Association of Fire Fighters Local 892 Norwich

    EIN 066048812 · Headquarters: Norwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. International Association of Fire Fighters Local No 834

    EIN 066068824 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  9. International Association of Fire Fighters West Haven Local 1198

    EIN 066070260 · Headquarters: West Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. International Association of Fire Uniformed Pffa Connecticut

    EIN 060806507 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. International Association of Firefighter Local 1219 Naugatuck

    EIN 066044682 · Headquarters: Naugatuck, CT, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. International Association of Firefighters 1326

    EIN 066084743 · Headquarters: YALESVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. International Association of Firefighters L2233 Wilton

    EIN 237367587 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. International Association of Firefighters Local 1033

    EIN 066084747 · Headquarters: WILLIMANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. International Association of Firefighters No 1426

    EIN 066076250 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. International Association of Firefighters-local 1205

    EIN 066084745 · Headquarters: EAST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. International Association of Jewish Genealogical Societies Inc

    EIN 463705741 · Headquarters: SOUTH WINDSOR, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. International Association of Lions

    EIN 066069318 · Headquarters: Willington, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. International Association of Lions -Lions Club Woodbridge

    EIN 061226767 · Headquarters: Woodbridge, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. International Association of Lions 8981 Meriden

    EIN 066045944 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. International Association of Lions 9016 Berlin Lions Club

    EIN 066068993 · Headquarters: BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. International Association of Lions Club

    EIN 061521591 · Headquarters: Taftville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. International Association of Lions Club

    EIN 066041080 · Headquarters: WOLCOTT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Association of Lions Club

    EIN 331474964 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. International Association of Lions Club

    EIN 332453956 · Headquarters: Chaplin, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. International Association of Lions Club

    EIN 994481169 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. International Association of Lions Clubs

    EIN 042627198 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. International Association of Lions Clubs

    EIN 060850831 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. International Association of Lions Clubs

    EIN 060923752 · Headquarters: TORRINGTON, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. International Association of Lions Clubs

    EIN 060947784 · Headquarters: West Suffield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. International Association of Lions Clubs

    EIN 060963773 · Headquarters: LITCHFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. International Association of Lions Clubs

    EIN 060964500 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. International Association of Lions Clubs

    EIN 061022975 · Headquarters: Oxford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. International Association of Lions Clubs

    EIN 061051190 · Headquarters: East Haddam, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. International Association of Lions Clubs

    EIN 061051578 · Headquarters: Colebrook, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. International Association of Lions Clubs

    EIN 061070596 · Headquarters: Glastonbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  37. International Association of Lions Clubs

    EIN 061071129 · Headquarters: East Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. International Association of Lions Clubs

    EIN 061086495 · Headquarters: Somers, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. International Association of Lions Clubs

    EIN 061098333 · Headquarters: Milford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  40. International Association of Lions Clubs

    EIN 061189950 · Headquarters: Higganum, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. International Association of Lions Clubs

    EIN 061343412 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. International Association of Lions Clubs

    EIN 061350412 · Headquarters: EAST HAMPTON, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  43. International Association of Lions Clubs

    EIN 061350564 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. International Association of Lions Clubs

    EIN 061431273 · Headquarters: Brookfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. International Association of Lions Clubs

    EIN 061472531 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. International Association of Lions Clubs

    EIN 061588433 · Headquarters: Prospect, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  47. International Association of Lions Clubs

    EIN 066047483 · Headquarters: New London, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  48. International Association of Lions Clubs

    EIN 066050705 · Headquarters: Washington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. International Association of Lions Clubs

    EIN 066052824 · Headquarters: Sharon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. International Association of Lions Clubs

    EIN 066054104 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. International Association of Lions Clubs

    EIN 066055824 · Headquarters: Milford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  52. International Association of Lions Clubs

    EIN 066056412 · Headquarters: WEST HARTFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  53. International Association of Lions Clubs

    EIN 066058780 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. International Association of Lions Clubs

    EIN 066059408 · Headquarters: NEW MILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. International Association of Lions Clubs

    EIN 066061801 · Headquarters: Enfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. International Association of Lions Clubs

    EIN 066063721 · Headquarters: Middlebury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. International Association of Lions Clubs

    EIN 066068180 · Headquarters: Northford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. International Association of Lions Clubs

    EIN 066068192 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. International Association of Lions Clubs

    EIN 066068750 · Headquarters: BLOOMFIELD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. International Association of Lions Clubs

    EIN 066068751 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. International Association of Lions Clubs

    EIN 066068754 · Headquarters: Durham, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. International Association of Lions Clubs

    EIN 066068759 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. International Association of Lions Clubs

    EIN 066068761 · Headquarters: Niantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. International Association of Lions Clubs

    EIN 066068764 · Headquarters: Seymour, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. International Association of Lions Clubs

    EIN 066068765 · Headquarters: South Windsor, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. International Association of Lions Clubs

    EIN 066068767 · Headquarters: Thompson, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. International Association of Lions Clubs

    EIN 066068768 · Headquarters: Windsor Locks, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. International Association of Lions Clubs

    EIN 066068994 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. International Association of Lions Clubs

    EIN 066068996 · Headquarters: Deep River, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. International Association of Lions Clubs

    EIN 066068998 · Headquarters: Gales Ferry, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. International Association of Lions Clubs

    EIN 066069001 · Headquarters: Stafford Springs, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. International Association of Lions Clubs

    EIN 066069941 · Headquarters: Rocky Hill, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. International Association of Lions Clubs

    EIN 066070014 · Headquarters: Monroe, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. International Association of Lions Clubs

    EIN 066070018 · Headquarters: Waterford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  75. International Association of Lions Clubs

    EIN 066070020 · Headquarters: Willimantic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. International Association of Lions Clubs

    EIN 066070264 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. International Association of Lions Clubs

    EIN 066070303 · Headquarters: Broad Brook, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. International Association of Lions Clubs

    EIN 066070305 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. International Association of Lions Clubs

    EIN 066070352 · Headquarters: STRATFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. International Association of Lions Clubs

    EIN 066070354 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. International Association of Lions Clubs

    EIN 066070880 · Headquarters: Norwalk, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  82. International Association of Lions Clubs

    EIN 066070881 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  83. International Association of Lions Clubs

    EIN 066070882 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. International Association of Lions Clubs

    EIN 066071137 · Headquarters: Bethany, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. International Association of Lions Clubs

    EIN 066079920 · Headquarters: Killingworth, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. International Association of Lions Clubs

    EIN 066081962 · Headquarters: Terryville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. International Association of Lions Clubs

    EIN 066081965 · Headquarters: Plainville, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. International Association of Lions Clubs

    EIN 066081966 · Headquarters: Orange, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  89. International Association of Lions Clubs

    EIN 066081967 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. International Association of Lions Clubs

    EIN 066081968 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. International Association of Lions Clubs

    EIN 066081972 · Headquarters: Guilford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  92. International Association of Lions Clubs

    EIN 066081973 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. International Association of Lions Clubs

    EIN 066081977 · Headquarters: Coventry, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. International Association of Lions Clubs

    EIN 066090490 · Headquarters: Pleasant Valley, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. International Association of Lions Clubs

    EIN 066098199 · Headquarters: Stratford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  96. International Association of Lions Clubs

    EIN 066109863 · Headquarters: North Stonington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. International Association of Lions Clubs

    EIN 066109866 · Headquarters: Wallingford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. International Association of Lions Clubs

    EIN 066153735 · Headquarters: Oxford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  99. International Association of Lions Clubs

    EIN 222629434 · Headquarters: Cheshire, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. International Association of Lions Clubs

    EIN 222779312 · Headquarters: Beacon Falls, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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