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. Craigielea Educational Fund Inc

    EIN 166048156 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Cream Hill Lake Association

    EIN 060672470 · Headquarters: WEST CORNWALL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Create Academy Ct Inc

    EIN 992456105 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Creative Connections Inc

    EIN 133697184 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. Crec Public Safety Academy Pto

    EIN 900635429 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  6. Credit Unions Building Financial Independence Inc

    EIN 061029942 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Crew Ct-the Real Estate Exchange Inc

    EIN 061219446 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Crisis Pregnancy Center Inc

    EIN 222514408 · Headquarters: WINCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  9. Criterion Institute

    EIN 273458737 · Headquarters: HADDAM, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  10. Croatian Fraternal Union of America

    EIN 066049621 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Croatian Fraternal Union of America

    EIN 066049626 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Cromwell Outboard Assoc Inc

    EIN 061501435 · Headquarters: CROMWELL, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Cromwell Professional Firefighters Local 4662

    EIN 332118034 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Crossroads Xp

    EIN 392941655 · Headquarters: Chester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Crosswicks Foundation Ltd

    EIN 132732197 · Headquarters: GOSHEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Crowdfunding Global Alliance Inc

    EIN 821216380 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Crystal Lake Historical Society Inc

    EIN 571231589 · Headquarters: Ellington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Csea Seiu Local 2001 Fund for Political Action

    EIN 841909668 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Csea Staff Union

    EIN 352282398 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. CT 169 Strong

    EIN 884230808 · Headquarters: New Canaan, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. CT Against Gun Violence Inc

    EIN 061363223 · Headquarters: Ridgefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Ct Alpha Sigma Phi Epsilon Fraternity

    EIN 475553343 · Headquarters: STORRS MANSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Ct Alternative Practice Dental Hygienists Association

    EIN 273631880 · Headquarters: Canterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  24. Ct Assn of School Psychologists

    EIN 880678607 · Headquarters: CHESHIRE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Ct Association of Health Plans Inc C/o Robinson & Cole

    EIN 061414026 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Ct Associaton of School Librarians

    EIN 060943020 · Headquarters: Burlington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Ct Bhangra Association Inc

    EIN 465449955 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Ct Council of Child and Adolescent Psychiatry Inc

    EIN 611474522 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Ct Council of Language Teachers Inc

    EIN 237305187 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  30. Ct Council of Small Towns

    EIN 061057499 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Ct Council of Teachers of English

    EIN 393645075 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Ct Crusaders

    EIN 453164353 · Headquarters: Griswold, CT, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  33. Ct Delta Alumni and Volunteer Corporation of Sigma Phi Epsilon

    EIN 264207340 · Headquarters: BETHANY, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Ct Gold Star Mothers Inc

    EIN 270829621 · Headquarters: West Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Ct Hangar Association Inc

    EIN 201510973 · Headquarters: Barkhamsted, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ct League of Conservation Voters Inc

    EIN 061525526 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Ct Lyme Riders Inc

    EIN 260428481 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Ct Mayhem Baseball Inc

    EIN 861495790 · Headquarters: ELLINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Ct Muslim Civic Alliance

    EIN 880959259 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Ct National Dayof Prayer Inc

    EIN 300499453 · Headquarters: Killingworth, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Ct Nbha 01

    EIN 332104933 · Headquarters: NORFOLK, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. CT Riders

    EIN 931815198 · Headquarters: Bridgeport, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  43. Ct Society for Respiratory Care

    EIN 510186652 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Ct State Police Academy Alumni Association Inc

    EIN 222512874 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Ct State Police Academy Alumni Educational Foundation Inc

    EIN 061305632 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Ct Union of Telephone Workers Inc

    EIN 060305375 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. Ct Women at Work Moms Club

    EIN 900843697 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  48. Ct Youth Spirit Conference Inc

    EIN 475130585 · Headquarters: BRIDGEPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Ctrma Inc

    EIN 824376414 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  50. Cuban Lyceum of Bridgeport

    EIN 510189760 · Headquarters: Bridgeport, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Cudworth-st Johns West Hartford Trust

    EIN 061073650 · Headquarters: WEST HARTFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Cullens Memorial Inc

    EIN 061022227 · Headquarters: Newtown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Culturally Correct Creative Inc

    EIN 852865203 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Cuno-cuno Camp

    EIN 066035735 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. CURE Collaborations LLC

    EIN 822470728 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990

  56. Curtiss Cemetery Association Inc

    EIN 066072268 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Cw Group Inc

    EIN 222784283 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Cypress Cemetary Association Inc

    EIN 066044303 · Headquarters: Old Saybrook, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Cyrus M Quigley Foundation C/o Gregory and Adams Pc

    EIN 222547157 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Cyrus W & Amy F Jones & Bessie D Phelps Foundation Inc

    EIN 060943204 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Dahesh Museum of Art

    EIN 133458208 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Danburty Dental Hygienists Association

    EIN 273631951 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. Danbury Arion Singing Society Inc

    EIN 060315210 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  64. Danbury Cemetery Association Inc

    EIN 060315340 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Danbury Chapter No 314 Women of the Moose

    EIN 222564607 · Headquarters: DANBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Danbury Conn Lions Charities Inc

    EIN 222812493 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Danbury Downtown Council Inc

    EIN 061033623 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Danbury Lodge No 120 of the Benevolent and Protective Order Of

    EIN 060258842 · Headquarters: Danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Danbury Nurses Union Unit 47

    EIN 061068117 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Danbury Pal Softball Booster Club Inc

    EIN 472913582 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  71. Danbury Police Benevolent Association In

    EIN 066037149 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Danbury Volunteer Fire Battalion 19 Inc

    EIN 845049867 · Headquarters: Danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Danbury Yacht Club

    EIN 060686200 · Headquarters: Danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Danbury Youth Services

    EIN 060878252 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Danbury Youth Wrestling Inc

    EIN 061263051 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Dance Teachers Club of Connecticut

    EIN 222598389 · Headquarters: SANDY HOOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Dancemakers Inc

    EIN 237425851 · Headquarters: KENT, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Daniel P & Grace I Tully Charitable Trust

    EIN 222804896 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Danish American Club Inc

    EIN 060604283 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Danish Sisterhood of America

    EIN 237534154 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Danish Sisterhood of America

    EIN 237534224 · Headquarters: Windsor Locks, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Darien Advocates for Education of the Gifted

    EIN 061048343 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  83. Darien Board of Realtors Inc

    EIN 060759444 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Darien Boat Club

    EIN 060768024 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Darien Book Aid Plan Inc

    EIN 066041210 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Darien Chamber of Commerce Inc

    EIN 060761584 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Darien Fire Department Inc

    EIN 066037894 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Darien Library Inc

    EIN 060647010 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Darien Little League #2070102

    EIN 061055536 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Darien Police Association Inc

    EIN 060947017 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Darien Quiz Bowl Boosters

    EIN 992824484 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Darien Rotary Foundation Inc

    EIN 237073365 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Dartmouth Club of Hartford Inc

    EIN 510171776 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Dartmouth Club of South East Connecticut Inc

    EIN 061267760 · Headquarters: Old Lyme, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Dartmouth Lawyers Association

    EIN 222547031 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Daughters of Isabella

    EIN 237146937 · Headquarters: PAWCATUCK, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. Daughters of Isabella

    EIN 237513013 · Headquarters: putnam, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Daughters of Isabella

    EIN 237513107 · Headquarters: PUTNAM, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Daughters of Isabella

    EIN 237513112 · Headquarters: NEW LONDON, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Daughters of Isabella

    EIN 237513115 · Headquarters: East Canaan, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages