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. Transplant Team of Connecticut

    EIN 800778187 · Headquarters: Trumbull, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Transport Workers Union Local 2055

    EIN 237087752 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Transportation Communications Union

    EIN 136019415 · Headquarters: Meriden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Transportation Energy Partnership

    EIN 043398439 · Headquarters: South Windsor, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Transportation Energy Partnership - Greater New Haven Clean Cities Coalition

    EIN 061572258 · Headquarters: NEW HAVEN, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Transportation-communications Union

    EIN 363878761 · Headquarters: Meriden, CT, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. Transportation-communications Union

    EIN 363879132 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  8. Trap Falls Kennel Club Inc

    EIN 237405509 · Headquarters: MILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Traprock Ridge Land Conservancy Inc

    EIN 222490127 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Trashbusters of Bridgeport Inc

    EIN 061369253 · Headquarters: Bridgeport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Trauma Research Education and Training Institute Inc

    EIN 223428267 · Headquarters: NEW BRITAIN, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Traurig Scholarship Trust

    EIN 222936329 · Headquarters: MIDDLEBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Travel Association of Connecticut

    EIN 461173570 · Headquarters: HAMDEN, CT, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Traveler on a Mission

    EIN 842357564 · Headquarters: Ansonia, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Travelers Choral Club Inc

    EIN 208155452 · Headquarters: Hartford, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Travelers Employees Club of Hartford

    EIN 994741196 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Traveling Toys Inc

    EIN 834182965 · Headquarters: Guilford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Travelscrum Inc

    EIN 851417644 · Headquarters: Bristol, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Trcc Inc

    EIN 061522292 · Headquarters: Waterbury, CT, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Treasure Chest Inc

    EIN 061549817 · Headquarters: NOANK, CT, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  21. Treasured K9s Inc

    EIN 262826165 · Headquarters: Georgetown, CT, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Treasured Time Inc

    EIN 462969616 · Headquarters: SEYMOUR, CT, USA · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  23. Treatment Trunk Corp

    EIN 834281038 · Headquarters: West Hartford, CT, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. Tree Conservancy of Darien

    EIN 272139746 · Headquarters: Darien, CT, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Tree of Life Educational Fund Inc

    EIN 261124295 · Headquarters: Old Lyme, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Tree Wardens Association of Connecticut Inc

    EIN 223292354 · Headquarters: Wallingford, CT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Treetops Chamber Music Society Inc

    EIN 204519702 · Headquarters: STAMFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Tregurtha Family Foundation Inc

    EIN 461611912 · Headquarters: NEW CANAAN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. Tres Dias of Fairfield County Inc

    EIN 060970632 · Headquarters: Norwalk, CT, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  30. Tri Corner Food Equity Education and Distribution Inc

    EIN 923760182 · Headquarters: SHARON, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Tri County Babe Ruth League Inc

    EIN 743059981 · Headquarters: Marlborough, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Tri County Collie Breeders Association

    EIN 061616280 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Tri Town Trail Association Inc

    EIN 463546159 · Headquarters: LEDYARD, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Tri Valley Cheer C/o Tri Valley Cheer Pop Warner Inc

    EIN 921641247 · Headquarters: NAUGATUCK, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Tri-community Homeowners Association Inc

    EIN 061299641 · Headquarters: Danbury, CT, US · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  36. Tri-County Alliance of Realtors Inc

    EIN 237134472 · Headquarters: Manchester, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Tri-county Arc Inc

    EIN 222542391 · Headquarters: VERNON, CT, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990

  38. Tri-county Fire Police Association

    EIN 060974862 · Headquarters: Willimantic, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. Tri-state Arab American Association of Architects and Engineers

    EIN 273732399 · Headquarters: wolcott, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Tri-state Center for the Arts Inc

    EIN 141729925 · Headquarters: SHARON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Tri-state Chamber Foundation Inc

    EIN 830467429 · Headquarters: Lakeville, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  42. Tri-state Chamber of Commerce Inc

    EIN 061076759 · Headquarters: Lakeville, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. Tri-state Horsemen's Association I

    EIN 061107324 · Headquarters: VOLUNTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Tri-state Joint Fund

    EIN 060850110 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Tri-state Kart Club Inc

    EIN 061290886 · Headquarters: POMFRET CENTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Tri-State Public Communications Inc

    EIN 020550612 · Headquarters: Sharon, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Tri-town Cruzers Inc

    EIN 061563674 · Headquarters: Vernon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  48. Tri-town Football Booster Club Association

    EIN 364726884 · Headquarters: Enfield, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Tri-town Youth Football and Cheerleading Association Inc

    EIN 208390862 · Headquarters: Ashford, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  50. Tri-town Youth Services Bureau Inc

    EIN 222537187 · Headquarters: DEEP RIVER, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Triangle Community Center Inc

    EIN 223079559 · Headquarters: NORWALK, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Tribal Crafts Inc

    EIN 222873667 · Headquarters: Old Lyme, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Tribury Chamber of Commerce Inc

    EIN 200847607 · Headquarters: SOUTHBURY, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Tribury Rotary Club Foundation Inc

    EIN 061494027 · Headquarters: Southybury, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Tributary Mill Conservancy

    EIN 611460758 · Headquarters: Old Lyme, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Tribute Journey Inc

    EIN 472024728 · Headquarters: Glastonbury, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Tributes Inc

    EIN 320184018 · Headquarters: West Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Tricircle Corporation

    EIN 813883437 · Headquarters: MERIDEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Trick or Trot Inc

    EIN 460985718 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Tricoastal Foundation

    EIN 452431974 · Headquarters: MONROE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Trinbago American Association of Southern Connecticut

    EIN 453738626 · Headquarters: Bridgeport, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Trinity Academy Hartford Inc

    EIN 272901529 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Trinity Cemetery Association Inc

    EIN 060566737 · Headquarters: SEYMOUR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Trinity Cemetery Association Inc

    EIN 060633253 · Headquarters: PORTLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Trinity Club of Hartford

    EIN 510187846 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Trinity College

    EIN 060646927 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Trinity College Community Child Center Inc

    EIN 222557793 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Trinity Community Development Corporation

    EIN 923442870 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Trinity Day School of Newtown Inc

    EIN 061256666 · Headquarters: NEWTOWN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Trinity Education Development Corporation

    EIN 274404180 · Headquarters: Windsor, CT, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Trinity Health Of New England

    EIN 060646813 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  72. Trinity Health Of New England

    EIN 061491191 · Headquarters: Hartford, CT, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  73. Trinity Health Of New England

    EIN 222584082 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Trinity Health of New England Emergency Medical Services Inc

    EIN 833546613 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Trinity Health of New England Provider Network Organization Inc

    EIN 061450168 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Trinity Home Board

    EIN 060669126 · Headquarters: NEW HAVEN, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Trinity Institute for Applied Neuroscience & Spirituality Llc

    EIN 811593145 · Headquarters: BRANFORD, CT, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Trinity Park Mutual Housing Association Inc

    EIN 061403846 · Headquarters: BRIDGEPORT, CT, USA · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990

  79. Trinity Productions Inc

    EIN 061587809 · Headquarters: Newtown, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Trinity-on-main Ltd

    EIN 200802317 · Headquarters: NEW BRITAIN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Trischman Family Foundation Inc

    EIN 472206181 · Headquarters: FAIRFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Tristan D Barhorst Memorial Scholarship

    EIN 861435181 · Headquarters: Wallingford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Tristas Ride Co

    EIN 392566496 · Headquarters: Sandy Hook, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Troilo Family Scholarship Inc

    EIN 812819569 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Troop 3 Derby Bsa Alumni & Friends Foundation Inc

    EIN 455482702 · Headquarters: DERBY, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Trotta Lane Association Inc

    EIN 061383975 · Headquarters: MORRIS, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Troupers Light Opera Company Inc

    EIN 066047512 · Headquarters: Norwalk, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Trout Brook Realty Advisors Inc

    EIN 061624050 · Headquarters: WEST HARTFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Trout Unlimited Mianus Chapter

    EIN 510225098 · Headquarters: WILTON, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Trowbridge Renaissance Inc

    EIN 061555337 · Headquarters: NEW HAVEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  91. Troy Simoncelli Memorial Golf Campership

    EIN 883371167 · Headquarters: Bethlehem, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Tru Care Inc

    EIN 465284376 · Headquarters: NEW MILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Truck Drivers Chauffeurs Warehousemen & Helpers Local No 671

    EIN 060400878 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. True Colors Inc Sexual Minority Youth and Family Services of Ct

    EIN 061537001 · Headquarters: HARTFORD, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2020 · Primary form: IRS Form 990

  95. True Crime Replay Inc

    EIN 920423770 · Headquarters: Colchester, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  96. True Gospel Inc

    EIN 334257604 · Headquarters: Bristol, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. True Health Initiative Inc

    EIN 814749965 · Headquarters: HAMDEN, CT, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  98. True Loving Companion Inc

    EIN 331047024 · Headquarters: WATERBURY, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. True North

    EIN 472383492 · Headquarters: COLLINSVILLE, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  100. True North Owners Association

    EIN 800198510 · Headquarters: GUILFORD, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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