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. The Winderful Foundation Inc

    EIN 931657250 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. The Windham Historical Society

    EIN 066107746 · Headquarters: Willimantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. The Windsor Fife and Drum Corp

    EIN 222702765 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. The Windsor Historical Society of Windsor Conn Inc

    EIN 060851583 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. The Wing Stc Revision Project Inc

    EIN 061440675 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. The Winthrop H Smith Jr Charitable Foundation Inc

    EIN 202642648 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. The Wire & Cable Manufacturers Alliance Inc

    EIN 203384124 · Headquarters: WETHERSFIELD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. The Wire Association International Inc

    EIN 066060608 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. The Wire Foundation Inc

    EIN 510189160 · Headquarters: Madison, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. The Witness Project of Connecticut Inc

    EIN 010668736 · Headquarters: Windsor, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. The Witthoey Foundation Inc

    EIN 522143620 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. The Wolcott Temple Corporation of Stafford

    EIN 320256025 · Headquarters: Stafford Springs, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. The Wolverine Foundation

    EIN 510394484 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. The Wolverine Foundationinc

    EIN 272004512 · Headquarters: DANBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. The Womans Club of Greenwich Inc

    EIN 060679087 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Womans Exchange of Old Lyme Inc

    EIN 222768721 · Headquarters: OLD LYME, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. The Womans Syndicate Association Inc

    EIN 133121439 · Headquarters: STAMFORD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. The Women's Auxiliary of Jhe of Fairfield County

    EIN 061055236 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. The Women's Auxiliary of Saint Francis Hospital and Medical Center Inc

    EIN 060660403 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. The Womens Advancement Initiative Inc

    EIN 272560346 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. The Womens Forum of Litchfield Inc

    EIN 061448950 · Headquarters: LITCHFIELD, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. The Woodbridge Land Trust Incorporated

    EIN 066067127 · Headquarters: WOODBRIDGE, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The Woodhall School Inc

    EIN 061076770 · Headquarters: BETHLEHEM, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. The Woodstock Connecticut Little League Inc

    EIN 060958921 · Headquarters: WOODSTOCK, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. The Woodway Country Club Incorporated

    EIN 060595440 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  26. The WorkPlace

    EIN 222484517 · Headquarters: Bridgeport, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. The World Energy Foundation Inc

    EIN 463585175 · Headquarters: Stamford, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. The World Health Clinicians Inc

    EIN 272210659 · Headquarters: NORWALK, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The Worthy & Fran Johnson Scholarship Trust

    EIN 061522118 · Headquarters: SOUTHPORT, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. The Wrexham Foundation Inc

    EIN 060769957 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Wright Foundation Inc

    EIN 134141287 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. The Yale Alley Cats Inc

    EIN 061590061 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. The Yale Club of New Haven Inc

    EIN 237066059 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. The Yale Herald Inc

    EIN 223270062 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  35. The Yale Law Journal Company Inc

    EIN 066071072 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. The Yale Law Journal Fund Inc

    EIN 454471135 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The Yale Nrotc Undergraduate Association

    EIN 464990716 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. The Yale-mulago Medical Fellowship Corp C/o Dr Jock Lawrason

    EIN 263610097 · Headquarters: LITCHFIELD, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. The Yankee Charitable Foundation

    EIN 061590568 · Headquarters: WEATOGUE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. The Yankee Flyers of Connecticut Inc

    EIN 043495476 · Headquarters: Woodstock, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  41. The Yantic Fire Engine Company

    EIN 066066161 · Headquarters: YANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. The Young Family Charitable Foundation

    EIN 136976453 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. The Young Peoples Center for Creative Arts Inc

    EIN 412226558 · Headquarters: East Hampton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. The Yoyaadi Foundation

    EIN 475603760 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. The Ys Women Inc Barbara Morrow

    EIN 471564432 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. The Yukon Fund Inc

    EIN 204767814 · Headquarters: Greenwich, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. The Yung Wing Institute for Interna Tional Education Inc

    EIN 394076725 · Headquarters: Cheshire, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. The Yvonne Lee Legacy Foundation Inc Care of Wanda Broaden

    EIN 815407001 · Headquarters: Bloomfield, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  49. The Zachs Family Foundation Inc

    EIN 061157320 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. The ZelnickBelzberg Charitable Trust

    EIN 137187853 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. The Zoom Foundation

    EIN 061600601 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. Theater Makers Lab

    EIN 922741903 · Headquarters: Middletown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Theater New Haven Inc

    EIN 452434190 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Theaterworks Inc

    EIN 061172413 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Theatre 4 Company

    EIN 261535367 · Headquarters: Woodbridge, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Theatre Artists Workshop of Westport Inc

    EIN 061093382 · Headquarters: BRIDGEPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Theatre Arts & Opportunities

    EIN 822072988 · Headquarters: Newtown, CT, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Theatre Guild of Simsbury Ltd

    EIN 222978126 · Headquarters: Simsbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Theatre Newington Incorporated

    EIN 060963617 · Headquarters: Newington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  60. Theatre of Imagination Novum

    EIN 475187944 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Theatre of NorthEastern CT Inc

    EIN 223122890 · Headquarters: Putnam, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Theatreworks New Milford

    EIN 066103835 · Headquarters: NEW MILFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Theblackmancan Inc

    EIN 812480578 · Headquarters: East Windsor, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Theconnecticut Chapter of the American Association of Blacks In

    EIN 743198010 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  65. Theodore a Hungerford Memorial Museum Association Incorporated

    EIN 060883256 · Headquarters: Harwinton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Theodore a Rapp Foundation

    EIN 331013781 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Theorem Media Inc

    EIN 833371047 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Therapeutic Movements of Connecticut Inc

    EIN 843815994 · Headquarters: NEWINGTON, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Therapeutic Touch East Coast Inc

    EIN 465403109 · Headquarters: Ansonia, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. There Is Hope Outreach Ministries I

    EIN 061753568 · Headquarters: Bridgeport, CT, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  71. There's No Place Like Home

    EIN 222898845 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Theresas Battleship Foundation Inc

    EIN 472145723 · Headquarters: WEST HARTFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Theta Alpha Sigma Greater Legacy Foundation

    EIN 932869175 · Headquarters: Hartford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Theta Elders Association Inc

    EIN 237336439 · Headquarters: East Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Theta Nu Xi Multicultural Society Incoroporated

    EIN 562163357 · Headquarters: SOUTH WINDSOR, CT, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  76. Thimble Islands Sailing Club Inc

    EIN 800452002 · Headquarters: Branford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Thin Line Peer Support Team Inc

    EIN 884324436 · Headquarters: MIDDLETOWN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Things Matter Incorporated

    EIN 883823956 · Headquarters: Orange, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Think Pink Monroe Inc

    EIN 883046115 · Headquarters: Monroe, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Thinkerland Inc

    EIN 824747486 · Headquarters: Stamford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Third Millennium Foundation Inc

    EIN 061554774 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Third Wave Television Inc

    EIN 061488724 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  83. Thirty Six Club Inc

    EIN 205676721 · Headquarters: Waterford, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. This Is Me Foundation Inc

    EIN 812843350 · Headquarters: Ridegfield, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. This Little Light -9T

    EIN 473050231 · Headquarters: New Britain, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Thomas & Carolyn Witt Foundation Inc

    EIN 383920900 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Thomas & Dorothy Lackman Charitable Foundation

    EIN 061565397 · Headquarters: Willington, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  88. Thomas & Marguerite Moore Family Foundation

    EIN 061484436 · Headquarters: STONINGTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  89. Thomas & Martha Aguwa Educational Foundation Inc

    EIN 842320883 · Headquarters: BETHEL, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Thomas and Maria Wilcox Family Foundation

    EIN 454009043 · Headquarters: WILTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Thomas Cholnoky Foundation

    EIN 222610435 · Headquarters: GREENWICHTH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Thomas D Manchesi Memorial Art Scholarship Fund

    EIN 562563187 · Headquarters: Berlin, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  93. Thomas Delitto & Sons Scholarship Fund

    EIN 205918693 · Headquarters: Trumbull, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Thomas G Alcorn P T O

    EIN 061250012 · Headquarters: Enfield, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  95. Thomas Hooker Parent Teacher Group of Meriden Connecticut Inc

    EIN 223195352 · Headquarters: Meriden, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Thomas J Bergeron Iii Memorial Scholarship Foundation Inc

    EIN 934229322 · Headquarters: RIDGEFIELD, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Thomas J Mckenna Memorial Scholarship Fund

    EIN 800665877 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Thomas J Serra Memorial Fund Inc

    EIN 844159845 · Headquarters: MIDDLETOWN, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Thomas W Dutton James J Dutton Iii and Paul G Dutton Memorial Award

    EIN 066177579 · Headquarters: Norwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. Thomas W Fritsch Memorial Scholarship

    EIN 271666192 · Headquarters: CROMWELL, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages