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. Windham Regional Community Council Inc

    EIN 060990205 · Headquarters: WILLIMANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Windham Regional Vocational Technical School Pfo Inc

    EIN 371666853 · Headquarters: Willimantic, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Windham Textile and History Museum Inc

    EIN 061137719 · Headquarters: WILLIMANTIC, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Windham Theatre Guild Inc

    EIN 222721945 · Headquarters: Willimantic, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Windham Willimantic Child Care & Family Dev Program Inc

    EIN 060871784 · Headquarters: WILLIMANTIC, CT, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990

  6. Windham Youth Football and Cheerleading Inc

    EIN 923613403 · Headquarters: Willimantic, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Windham Youth Organization Inc

    EIN 010600102 · Headquarters: WINDHAM, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Winding Trails Inc

    EIN 060670252 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Windmill Foundation Inc C/o Pkf O'connor Davies Llp

    EIN 133411161 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Windsor African Violet Society

    EIN 542192583 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Windsor Art Center Inc

    EIN 261422815 · Headquarters: Windsor, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Windsor Chamber of Commerce

    EIN 066180000 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Windsor Climate Action Inc

    EIN 852074949 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Windsor Community Television Inc

    EIN 061055778 · Headquarters: Windsor, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Windsor Cricket Club

    EIN 202356581 · Headquarters: Windsor, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Windsor Diamond Club Inc

    EIN 462230387 · Headquarters: WINDSOR, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Windsor Dispensary Clinic Inc

    EIN 113772847 · Headquarters: Windsor, CT, US · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. Windsor Education Foundation Inc

    EIN 208776574 · Headquarters: Windsor, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Windsor Food and Fuel Bank Inc

    EIN 060960898 · Headquarters: Windsor, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Windsor Garden Club

    EIN 352824851 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Windsor Giants Midget Football Team Inc

    EIN 311655147 · Headquarters: WINDSOR, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Windsor High School Alumni Scholars

    EIN 066026061 · Headquarters: West Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  23. Windsor High School Band Boosters Inc

    EIN 993778673 · Headquarters: WINDSOR, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Windsor High School Project Graduat Ion Inc

    EIN 393870121 · Headquarters: Windsor, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Windsor Independent Living Association Inc

    EIN 510201148 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Windsor Jaycees

    EIN 060384381 · Headquarters: Windsor, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Windsor Jaycees Foundation Inc

    EIN 060965685 · Headquarters: Windsor, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  28. Windsor Land Trust Inc

    EIN 134222707 · Headquarters: Windsor, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Windsor Library Association Inc

    EIN 066026062 · Headquarters: Windsor, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Windsor Locks Athletic Hall of Fame Inc

    EIN 203553506 · Headquarters: Windsor Locks, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Windsor Locks Chamber of Commerce Inc

    EIN 061534111 · Headquarters: Windsor Locks, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  32. Windsor Locks Fire Deptartment Special Assignment

    EIN 061314538 · Headquarters: Windsor Locks, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  33. Windsor Locks Historical Society Incorporated

    EIN 222817489 · Headquarters: Windsor Locks, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Windsor Locks Lions Charities Inc

    EIN 061313128 · Headquarters: Windsor Locks, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Windsor Locks Neighbors Fund Inc

    EIN 331395436 · Headquarters: Windsor Locks, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Windsor Locks Preservation Association Inc

    EIN 593786411 · Headquarters: Windsor Locks, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  37. Windsor Locks Pto Inc

    EIN 471630691 · Headquarters: Windsor Locks, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Windsor Locks Public Library Inc

    EIN 060714787 · Headquarters: Windsor Locks, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Windsor Locks Scout Foundation Inc

    EIN 223120373 · Headquarters: Windsor Locks, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Windsor Locks Senior Citizens Club Inc

    EIN 510178510 · Headquarters: Windsor Locks, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. Windsor Locks Soccer Club Inc

    EIN 061391972 · Headquarters: Windsor Locks, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Windsor Locks War Veterans Memorial

    EIN 066033340 · Headquarters: Windsor Locks, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Windsor Marksmens Association Inc

    EIN 061279545 · Headquarters: Windsor, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Windsor Masonic Building Association Incorporated 153 Broad

    EIN 237060096 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Windsor Police Cadets Inc

    EIN 205190035 · Headquarters: WINDSOR, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Windsor Police Department Employees Association

    EIN 061330035 · Headquarters: WINDSOR, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Windsor Rotary Club Charitable Fund Inc

    EIN 814034787 · Headquarters: Windsor, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Windsor School of Self Defense Inc

    EIN 061370653 · Headquarters: WINDSOR, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Windsor Soccer Club Inc

    EIN 061074283 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Windsor Volunteer Ambulance Inc

    EIN 061062811 · Headquarters: WINDSOR, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Windsor Water Rats Express Swim Team Inc

    EIN 061633190 · Headquarters: WINDSOR, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Windy Hill Skating Club Inc Dorothy Hamil Skating Rink

    EIN 222522002 · Headquarters: GREENWICH, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Wine & Spirit Education Trust America Inc

    EIN 813635792 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Wine and Spirits Wholesalers of Connecticut Inc

    EIN 060305490 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Wingfield Family Society

    EIN 541422939 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Wings Charity Fund

    EIN 820955919 · Headquarters: hamden, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Wings for Things Foundation Inc

    EIN 461160696 · Headquarters: SANDY HOOK, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Wings Inc

    EIN 612020819 · Headquarters: RIVERSIDE, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Wings of Freedom Animal Rescue Inc

    EIN 465488391 · Headquarters: Norwich, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Winifred M Purdy Foundation C/o Cbiz Advisors Llc

    EIN 061603324 · Headquarters: HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. WINiT - Women in Travel Inc

    EIN 464953347 · Headquarters: Vernon, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990

  62. Winnett Food Forest

    EIN 880758119 · Headquarters: Hamden, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Winning Ways

    EIN 814056668 · Headquarters: Branford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Winningpolicies-org

    EIN 831296921 · Headquarters: Stonington, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  65. Winokur Family Foundation Inc

    EIN 943065806 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Winsol Economic Development Corporation

    EIN 471256795 · Headquarters: Stamford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  67. Winsted Area Ambulance Assoc Inc

    EIN 061332287 · Headquarters: WINSTED, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Winsted Area Child Care Center Inc

    EIN 061016063 · Headquarters: Winsted, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Winsted Health Center Foundation Inc

    EIN 061488440 · Headquarters: WINSTED, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Winsted Health Center Inc

    EIN 061488439 · Headquarters: WINSTED, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Winsted Lions Club Inc

    EIN 066150640 · Headquarters: Winsted, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Winsted Phoenix News Inc

    EIN 842638887 · Headquarters: Winsted, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. WINSTED PLAYGROUND ASSOCIATION UA Dated October 11 2005

    EIN 204337169 · Headquarters: Colebrook, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Winsted Youth Baseball Association Inc

    EIN 272552511 · Headquarters: Winsted, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Winsted Youth Soccer Assoc

    EIN 264108289 · Headquarters: Winsted, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Winston E Allen Foundation Inc

    EIN 061541825 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Winston Ireland Corporation

    EIN 460906867 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Winston Park Center Inc C/o Ubs Realty Investors Llc

    EIN 330825666 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Winston Spence Foundation Inc

    EIN 471119249 · Headquarters: Norwalk, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Winter Grove Inc

    EIN 455559338 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Winter Lights of Woodbury Ct

    EIN 872904597 · Headquarters: Woodbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Winthrop Stem Magnet Pto

    EIN 464922053 · Headquarters: New London, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  83. Winton Industrial Center Inc C/o Ubs Realty Investors Llc

    EIN 330871388 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Winton S Filipek Scholarship Fund

    EIN 510636464 · Headquarters: Southington, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Wintonbury Historical Society Inc

    EIN 066066644 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Wintonbury Mens Golf Association

    EIN 991538197 · Headquarters: West Hartford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Wireless Zone Foundation for Giving Inc

    EIN 030515666 · Headquarters: Rocky Hill, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990

  88. Wiremold Plan for Giving

    EIN 066068712 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. WISE Network Inc

    EIN 862130036 · Headquarters: Windsor, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Wise Street Foundation

    EIN 274154778 · Headquarters: WALLINGFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  91. Wish Inc

    EIN 461148544 · Headquarters: PLAINVILLE, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Wish Truck Inc

    EIN 843332605 · Headquarters: COLUMBIA, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Wish Upon a Par Inc

    EIN 010927527 · Headquarters: RIDGEFIELD, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  94. Wishes for Horses Inc

    EIN 454752871 · Headquarters: NORWALK, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Wishes on Wheels Inc

    EIN 262492597 · Headquarters: East Hartford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Wisp Performances Inc

    EIN 823456596 · Headquarters: Guilford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Wista USA

    EIN 133952621 · Headquarters: Old Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. With Ajayu

    EIN 334599000 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. With Distinction Foundation Inc

    EIN 823938504 · Headquarters: STAMFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. With Faith Foundation

    EIN 873821906 · Headquarters: Trumbull, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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