Unknown & Unclassified nonprofits in Connecticut

Unknown & Unclassified nonprofits in Connecticut. Browse 7,402 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. Westport Council of Ptas C/o Denise Acampora

    EIN 900258500 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Westport Entrepreneurs

    EIN 465408075 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Westport Library Association Inc

    EIN 060672798 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Westport Police Athletic League

    EIN 066085613 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Westport Police Benevolent Association Inc

    EIN 237105434 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Westport Professional Firefighters Association Inc

    EIN 061056437 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Westport Volunteer Fire Department Inc

    EIN 223036259 · Headquarters: WESTPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Westport Writers' Workshop I Inc

    EIN 472637118 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Westport Young Woman's League Inc

    EIN 237078891 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Westview Lane Association

    EIN 274016748 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Westwind Foundation

    EIN 526358830 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Westwood Hill Association Inc

    EIN 061038471 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Wethersfield Chamber of Commerce

    EIN 066079960 · Headquarters: Wethersfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Wethersfield Country Club

    EIN 060587310 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. Wethersfield Farmers Market Inc

    EIN 465298936 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Wethersfield Game Club C/o Paul O'keefe

    EIN 066034578 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Wethersfield High School Band Boosters

    EIN 061208499 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Wethersfield High School Cheerleading Booster Club

    EIN 475540876 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Wethersfield Little League Baseball Inc

    EIN 061289205 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Wethersfield Rocky Hill Elks

    EIN 066075573 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Wethersfield-rocky Hill Graduate Nurses Association

    EIN 066058619 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Wheat Inc

    EIN 061197653 · Headquarters: WEST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  23. Wheeler High School Class of 1987

    EIN 473876250 · Headquarters: Stonington, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. Wheeler School & Library of North Stonington

    EIN 060728869 · Headquarters: North Stonington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Where the Love Is Inc

    EIN 463334961 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Whiffenpoofs of Yale University Inc

    EIN 061058196 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. White Eagle Society of Brotherly Help Inc

    EIN 060588510 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Whiting Lane Extended Day Care Inc

    EIN 060973361 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Whitney and Anne Stone Foundation

    EIN 133394681 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Whitneyville Cultural Commons Inc

    EIN 475322239 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Widows Son Lodge No 1 Inc

    EIN 823636852 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Wig Evm Forum Incorporated

    EIN 461352424 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  33. Wilcox Cemetery Association

    EIN 060662435 · Headquarters: EAST BERLIN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Wildemere Beach Association

    EIN 465347920 · Headquarters: MILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. William & Ellen E Macristy Fnd

    EIN 066034030 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. William Babcock Trust C/o Episcopal Church in Connecticut

    EIN 066026216 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. William C Bullock Jr Family Foundation Co

    EIN 016080947 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  38. William Caspar Graustein Memorial Fund

    EIN 046037391 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. William E Raymond Trust

    EIN 066034039 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  40. William H Chapman Foundation

    EIN 066034290 · Headquarters: New London, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  41. Willimantic Bpoe 1311

    EIN 060258965 · Headquarters: WILLIMANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Willimantic Latino Lions Club

    EIN 332412526 · Headquarters: NORTH WINDHAM, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Willimantic Orchestra Inc

    EIN 222997689 · Headquarters: Tolland, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Willington Fish and Game Club Inc

    EIN 066180740 · Headquarters: Willington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Willington Hill Fire Department Inc

    EIN 060889901 · Headquarters: Willington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Willington Historical Society Incorporated

    EIN 237196503 · Headquarters: Willington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Wilmot Wheeler Foundation Inc

    EIN 066039119 · Headquarters: SOUTHPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. Wilson Cove Yacht Club Inc

    EIN 066063807 · Headquarters: ROWAYTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  49. Wilsons Pride Inc

    EIN 113243041 · Headquarters: WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Wilton Arts Council Inc

    EIN 061004552 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. Wilton Career Firefighters Fund Inc

    EIN 061312384 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Wilton Chamber of Commerce

    EIN 061304441 · Headquarters: Wilton, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Wilton Children's Theater

    EIN 061317306 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Wilton High 35Th Reunion

    EIN 383839946 · Headquarters: WILTON, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  55. Wilton High School PTSA CO Mark Shaner

    EIN 060994422 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Wilton Library Association Inc

    EIN 060662194 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Wilton Police Benevolent Associatio

    EIN 061209228 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Wilton Police Explorers Post 58

    EIN 061252491 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Wilton Police Fund

    EIN 061033755 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Wilton Police Union Local 1429

    EIN 061076845 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Wilton Riding Club Inc

    EIN 060592525 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  62. Wilton Singers Incorporated

    EIN 222571199 · Headquarters: WILTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Wilton Soccer Association

    EIN 060972628 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Wilton Sports Council

    EIN 900405511 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  65. Wilton Volunteer Fire Dept Inc

    EIN 066013397 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  66. Winchester Historical Society

    EIN 066039538 · Headquarters: WINSTED, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Windham County 4-H Foundation Inc

    EIN 066044157 · Headquarters: POMFRET, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Windham County Farm Bureau Inc

    EIN 060836668 · Headquarters: North Grosvenordale, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Windham County Kennel Club Inc

    EIN 066076959 · Headquarters: Lebanon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Windham County Medical Association

    EIN 061081180 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Windham Free Library Association

    EIN 066039708 · Headquarters: WINDHAM, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Windham Region Chamber of Commerce Foundation Inc

    EIN 060591400 · Headquarters: Willimantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Windham Regional Community Council Inc

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

  74. Windham Youth Organization Inc

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

  75. Winding Trails Inc

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

  76. 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

  77. Windsor African Violet Society

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

  78. Windsor Chamber of Commerce

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

  79. Windsor Climate Action Inc

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

  80. Windsor Food and Fuel Bank Inc

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

  81. Windsor Garden Club

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

  82. 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

  83. Windsor Independent Living Association Inc

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

  84. Windsor Library Association Inc

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

  85. Windsor Locks Public Library Inc

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

  86. 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

  87. Windsor Soccer Club Inc

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

  88. 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

  89. Wingfield Family Society

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

  90. Winning Ways

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

  91. Winokur Family Foundation Inc

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

  92. Winsted Area Child Care Center Inc

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

  93. Wintonbury Historical Society Inc

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

  94. Wiremold Plan for Giving

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

  95. Wista USA

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

  96. Wl Gilbert Trust Corporation

    EIN 060669114 · Headquarters: WINSTED, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Wolcott Historical Society Inc

    EIN 066059331 · Headquarters: Wolcott, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Wolcott Land Convervation Trust Inc

    EIN 222606938 · Headquarters: Wolcott, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Wolcott Land Owners Protective Association Inc

    EIN 066070356 · Headquarters: WOLCOTT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Wolcott Lions Agricultural Society Inc

    EIN 061441739 · Headquarters: WOLCOTT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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