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. Citizens Commission on Human Rights

    EIN 061435334 · Headquarters: Higganum, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Citizens for Gmo Labeling

    EIN 463839003 · Headquarters: Tolland, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  3. City & Regional Magazine Association

    EIN 222269813 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. City Angels Baseball Academy

    EIN 851632821 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. City Church

    EIN 933568150 · Headquarters: WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. City Missionary Association of New Haven C/o Brian Borgerson Cpa

    EIN 066032939 · Headquarters: WOODBRIDGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. City Point Yacht Club Inc

    EIN 060708424 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Citysingers of Hartford Inc

    EIN 061193754 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Citywide Youth Coalition

    EIN 061386638 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Civic Orchestra of New Haven Inc

    EIN 060849570 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Civics First Inc

    EIN 060998367 · Headquarters: Kensington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Civil Service Employees Association

    EIN 270379931 · Headquarters: New Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Civil Service Employees Association

    EIN 412675512 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Cjr Fund Inc

    EIN 061265380 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Claire & Marie Schifellite Foundation

    EIN 060956961 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Claire & Maurits Edersheim Foundation

    EIN 136075353 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Claire & Randy Salvatore Charitable Trust

    EIN 476841457 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  18. Clam Shell Quilters

    EIN 061315122 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Clan Donnachaidh Society of New England Inc

    EIN 222849105 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Clark Commandery Association of New Haven Commandery 2

    EIN 900360077 · Headquarters: West Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Clasp Homes Inc

    EIN 061074055 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Class of 1965 of Smith College

    EIN 953690322 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Claytors Ministry of Prayer and Deliverance Inc

    EIN 061018855 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Clement Ministries

    EIN 844205969 · Headquarters: East Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Clemons Productions Inc Aka That's the Spirit Productions

    EIN 133025846 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  26. Clifford Beers Community Care Center

    EIN 060646757 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Clifford R French Post 22

    EIN 060684930 · Headquarters: Thomaston, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  28. Clinicians Cove

    EIN 992480955 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Clinton Child Care Service Inc

    EIN 060987535 · Headquarters: CLINTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Clinton Council of Associations Inc

    EIN 061160042 · Headquarters: Clinton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Clinton Country Club Inc

    EIN 061308519 · Headquarters: CLINTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Clinton Historical Society Inc

    EIN 066046513 · Headquarters: CLINTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Clinton Land Conservation Trust Inc

    EIN 237402115 · Headquarters: CLINTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Clinton Volunteer Fire Department Inc

    EIN 222951589 · Headquarters: CLINTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Clock City Temple 895

    EIN 412579266 · Headquarters: WATERBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Clothes to Kids of Fairfield Countyinc

    EIN 474706495 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Coalition Against Casino Expansion in Connecticut

    EIN 821072305 · Headquarters: Madison, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Codehers Initiative

    EIN 934206955 · Headquarters: Rocky Hill, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Coginchaug Basketball Club Llc

    EIN 223916158 · Headquarters: East Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  40. Coginchaug Little League

    EIN 223073648 · Headquarters: Durham, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Coginchaug Regional High School Scholarship Fund Inc

    EIN 060882459 · Headquarters: DURHAM, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Colchester Alternative School-aged Total Learning Experience Inc

    EIN 061325728 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Colchester Community Theatre Inc

    EIN 934157632 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Colchester Cooperative Nursery School

    EIN 060756836 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Colchester Cougars Midget Football Inc

    EIN 237301109 · Headquarters: COLCHESTER, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Colchester Fish and Game Club Inc

    EIN 060918389 · Headquarters: Colchester, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Colchester Hayward Volunteer Fire Company

    EIN 066199925 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Colchester Historical Society Incorporated

    EIN 060960683 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Colchester Police Union

    EIN 061430652 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Colebrook Historical Society Incorporated

    EIN 066046798 · Headquarters: Colebrook, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. College Club of Hartford

    EIN 066038633 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. College Reading and Learning Association Northeast Chapter

    EIN 464767701 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Collins Group Inc

    EIN 061377616 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Colonel Daniel Putnam Association I

    EIN 066041260 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Colony Foundation

    EIN 060261454 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Columbia Autumn Classic Road Race

    EIN 465463375 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. Columbia Burying Ground Association

    EIN 066040744 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Columbia Cooperative Nursery School

    EIN 060867955 · Headquarters: Hebron, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  59. Columbia Council 9 R & S M

    EIN 900634645 · Headquarters: East Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. Columbia Volunteer Fire Department Inc

    EIN 060799489 · Headquarters: COLUMBIA, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Columbian Charities of Ct Inc

    EIN 060972133 · Headquarters: BRISTOL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Columbiettes Incorporated

    EIN 061064331 · Headquarters: Wolcott, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Columbiettes Incorporated

    EIN 061398596 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Columbiettes Incorporated

    EIN 061629055 · Headquarters: STamford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Columbiettes Incorporated

    EIN 066172162 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Columbiettes Incorporated

    EIN 222186954 · Headquarters: Fairfeld, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Columbiettes Incorporated

    EIN 364744686 · Headquarters: Griswold, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Columbiettes Incorporated

    EIN 450575882 · Headquarters: Monroe, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Columbiettes Incorporated

    EIN 452093367 · Headquarters: Killingworth, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Columbiettes Incorporated

    EIN 462795195 · Headquarters: WILTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Columbiettes Incorporated

    EIN 510220128 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Columbiettes Incorporated

    EIN 510220207 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Columbiettes Incorporated

    EIN 510246661 · Headquarters: Old Saybrook, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Columbiettes Incorporated

    EIN 814351478 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Columbus Association

    EIN 060797900 · Headquarters: BRISTOL, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  76. Columbus Day Committee Inc Attn Mary Lou Nuzzo Treasurer

    EIN 061055636 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Columbus Home Association

    EIN 060712040 · Headquarters: WATERBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Columbus Scholarship Board

    EIN 060967153 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Combined Organization of Police

    EIN 222549620 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Committee for Humane Legislation Inc

    EIN 132589924 · Headquarters: DARIEN, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Committee on a Community College for Northwestern Connecticut Inc

    EIN 066073401 · Headquarters: Winsted, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Communication Workers of America

    EIN 060873150 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Communication Workers of America Local 51014 Nabet 14

    EIN 066076311 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Communications Workers of America

    EIN 066207254 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Communitas Inc

    EIN 061242172 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Community Accounting Aid Services Inc C/o Michael Blezard

    EIN 237425853 · Headquarters: VERNON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Community Action Agency of New Haven Inc

    EIN 060979507 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  88. Community Associations Institute

    EIN 061051798 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Community Avon Inc

    EIN 061018518 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Community Catalyst Partners

    EIN 852218333 · Headquarters: WOODSTOCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Community Child Guidance Clinic Inc

    EIN 060735879 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Community Credit Union of New Milford In

    EIN 060759505 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Community Cultural Committee of Northeastern Connecticut Inc

    EIN 222951603 · Headquarters: Pomfret, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Community Dining Room Inc

    EIN 223037133 · Headquarters: BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Community Foundation of Greater New Britain

    EIN 066036461 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Community Health Facilities Fund Inc

    EIN 521750670 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Community Healthcare Credit Union Inc

    EIN 060767732 · Headquarters: Manchester, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Community Investment Corporation

    EIN 060968039 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Community Investment Development Corporation

    EIN 060963903 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Community Mental Health Affiliates Inc

    EIN 060934544 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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