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. Wolcott Volunteer Fire Dept Co 2

    EIN 912018866 · Headquarters: WOLCOTT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Woman's Seamen's Friend Society of Ct Inc

    EIN 060655133 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Womans Club of Woodbury

    EIN 066058525 · Headquarters: Woodbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Women Marines Association

    EIN 060996530 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Women Radio Operators of New England

    EIN 061006584 · Headquarters: Goshen, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Womens Christian Coalition

    EIN 562479619 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Womens Club of East Granby Ct

    EIN 060992980 · Headquarters: East Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  8. Womens Club of Weston Inc

    EIN 237123490 · Headquarters: Weston, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Womens Council of Realtors

    EIN 061574865 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  10. Womens Council of Realtors State

    EIN 900350931 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  11. Womens Flag Football of Ridgefield

    EIN 833895571 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Womens Medical Association of Fairfield County Inc

    EIN 061351969 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Womens Softball Association of Greater Willimantic Inc

    EIN 061042220 · Headquarters: Willimantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Womens Tri-county Golf Association Inc

    EIN 060834822 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Womens Westchester and Fairfield County Golf Assoc Inc

    EIN 060695428 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Woodbridge Club Inc

    EIN 060669016 · Headquarters: Woodbridge, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Woodbridge Ct Rotary Inc

    EIN 263152072 · Headquarters: ORANGE, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Woodbridge Park Association Inc

    EIN 237361141 · Headquarters: WOODBRIDGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Woodbridge Police Union Local 362

    EIN 237076589 · Headquarters: Woodbridge, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Woodbury - Bethlehem Youth Soccer

    EIN 061237499 · Headquarters: WOODBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Woodbury Cemetery Association

    EIN 060594909 · Headquarters: WOODBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Woodbury Interfaith Elderly Housing Corp

    EIN 061064182 · Headquarters: WOODBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Woodbury Lions Club Inc

    EIN 061013722 · Headquarters: WOODBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Woodbury Yoga Center Inc

    EIN 061123259 · Headquarters: WOODBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Woodburysouthbury Rod&gun Club Inc

    EIN 060849952 · Headquarters: MORRIS, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Woodhaven Foundation

    EIN 352050235 · Headquarters: Stonington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Woodland Cemetary Association

    EIN 060595120 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Woodland Jr Hawks Youth Football & Cheer Inc

    EIN 462932699 · Headquarters: PROSPECT, CT, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  29. Woodledge Club Inc

    EIN 060771815 · Headquarters: SOUTH GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. Woodmen of the World Life Insurance Society

    EIN 237630686 · Headquarters: WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Woodridge Association Inc

    EIN 060716762 · Headquarters: West Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Woodridge Lake Property Owners Association Inc

    EIN 237366229 · Headquarters: GOSHEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Woods Edge Housing Inc

    EIN 061064330 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Woodshouse Foundation

    EIN 136983078 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Woodstock Academy

    EIN 060704624 · Headquarters: Woodstock, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Woodstock Boy Scouts Troop 27

    EIN 134307854 · Headquarters: WOODSTOCK, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. Woodstock Cemetery Associationinc

    EIN 237406006 · Headquarters: WOODSTOCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. Woodstock Historical Society Incorporated

    EIN 237102783 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Woodway Scholarship Fund in Memory of Robert C Leverich

    EIN 060993265 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Wooster Masonic Building Corporation

    EIN 061027375 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Wooster School Corporation

    EIN 060653144 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Workforce Alliance Inc

    EIN 061090440 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Worthington Hooker Basketball Association Inc

    EIN 274279876 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Wsmsa Pto

    EIN 814925692 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Wyllys-st Johns Lodge #4 Af & Am

    EIN 066042629 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Xmpie User Group Inc

    EIN 205519995 · Headquarters: NORWALK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Y S Men of Westport Weston Inc

    EIN 061408351 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Yale Adelphic Literary Society

    EIN 900349115 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Yale Alumni Association of Greenwich Inc

    EIN 060886060 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  50. Yale Alumni in Public Health

    EIN 066074541 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Yale Aviation Inc

    EIN 060841045 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  52. Yale Biomedical Engineering Society

    EIN 933338889 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Yale Chaarg

    EIN 861666450 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Yale Club of Northwestern Connecticut Inc

    EIN 061045553 · Headquarters: HARWINTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  55. Yale College Dems Inc

    EIN 332841770 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Yale Emergency Medicine Residents

    EIN 020789314 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  57. Yale International Relations Inc

    EIN 237403870 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. Yale Journal on Regulation Inc

    EIN 061313567 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Yale Law School Learning Center Inc

    EIN 061214651 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Yale Medical Foundation Inc

    EIN 352672947 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Yale Orthopedic Foundation Attn Dr Ken Kramer

    EIN 237168322 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Yale Police Benevolent Association

    EIN 222974951 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Yale Political Union

    EIN 066069119 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Yale Record Corporation

    EIN 061071222 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Yale Student Environmental Coalition Inc

    EIN 061424469 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Yale Taiwanese Student Association

    EIN 334625161 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Yale University - Subordinates

    EIN 911864328 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Yale University Women's Organization Incorporating Yale Newcomers

    EIN 061132921 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Yalesville Little League Inc

    EIN 061108689 · Headquarters: YALESVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Yama Ki Bonsai Society Inc

    EIN 222514403 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Yankee Institute for Public Policy

    EIN 521358144 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Yankee Scholarship Foundation Inc

    EIN 061045656 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Yankee Security Convention Inc

    EIN 060985894 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Yankee Territory Coinshooters

    EIN 900620446 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Yankee Yesteryear Car Club Inc

    EIN 900617826 · Headquarters: Canterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Ydn Foundation Inc

    EIN 060967838 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Yeshiva Gedolah Rabbinical Institute of New England Inc

    EIN 060943492 · Headquarters: West Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Yeshiva of New Haven

    EIN 060968380 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  79. Ymca of Manchester

    EIN 066048502 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. York Rite Sovereign College of North America

    EIN 066085978 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. Young Mens Christian Association of Naugatuck Inc

    EIN 060646770 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Young Mens Service League Greenwich Chapter

    EIN 393276357 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Young Presidents Organization Inc - Greenwich Gold Chapter

    EIN 202073344 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Young Womens Christian Association of New Britain Inc

    EIN 060598620 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Young Womens League of New Canaan

    EIN 066175064 · Headquarters: NEW CANAAN, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Youre Just My Type Inc

    EIN 813507372 · Headquarters: Danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Youth & Family Services of Haddam-killingworth Inc

    EIN 061366680 · Headquarters: HIGGANUM, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Youth Soccer Association of New Haven Inc

    EIN 222774504 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Ypo New York Polaris Inc

    EIN 923844854 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Ywca Hartford Region Inc

    EIN 060646993 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Z Rink Sports Foundation Inc

    EIN 204786738 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  92. Zane Foundation Inc

    EIN 061378537 · Headquarters: BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Zero Hunger Inc

    EIN 474122623 · Headquarters: DANBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Zeta Beta Tau Eta Omicron Fraternit Y

    EIN 921659228 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Zeta Phi Beta Sorority Inc

    EIN 205784096 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Zeta Phi Beta Sorority Inc Epsilon Phi Chapter

    EIN 820590208 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  97. Zieff Family Fund Inc

    EIN 066050400 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Zimmel Family Foundation

    EIN 133596015 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  99. Zions Hill Cemetery Association

    EIN 320302378 · Headquarters: West Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Zoar Cemetery Association Inc

    EIN 066044505 · Headquarters: Sandy Hook, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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