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. Butterflies with Voices Inc

    EIN 465612016 · Headquarters: Waterbury, CT, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  2. Butterfly Project Fund Inc

    EIN 263705938 · Headquarters: STAMFORD, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Buttonball Lane School Pto

    EIN 911950056 · Headquarters: Glastonbury, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Buttoned Together Inc

    EIN 392445637 · Headquarters: Naugatuck, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Buttoned Up Inc

    EIN 201608762 · Headquarters: Fairfield, CT, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  6. Buttonwood Tree Performing Arts Center Inc

    EIN 061328551 · Headquarters: MIDDLETOWN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Buzz Robotics

    EIN 833061928 · Headquarters: ENFIELD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Bwase Lavi Inc

    EIN 475125065 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Byram Archibald Neighborhood Center Trust Inc

    EIN 060985313 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Byram Neighborhood Association Corp

    EIN 861811640 · Headquarters: greenwich, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Byram Shore Boat Club Inc

    EIN 061097882 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Byram Veterans Association Inc

    EIN 060775034 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Byram Volunteer Fire Department Inc

    EIN 061420116 · Headquarters: GREENWICH, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Bytebloom Robotics Inc

    EIN 394920693 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. C a T S Northeast Inc

    EIN 061547046 · Headquarters: MANSFIELD CTR, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. C Me Now Inc

    EIN 043736852 · Headquarters: Westbrook, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. C O I N S Organization Inc

    EIN 821214924 · Headquarters: Norwalk, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. C V L C Inc

    EIN 464969149 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  19. C12b1 Inc

    EIN 992205490 · Headquarters: Meriden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Caad Foundation Inc

    EIN 460945771 · Headquarters: CHESHIRE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Cabbage Hill Country School Inc

    EIN 060791357 · Headquarters: Woodbridge, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  22. Cabo Foundation Llc

    EIN 455514035 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  23. Cabo Inc

    EIN 261100743 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Cabo Verdeans United Foundation

    EIN 932615441 · Headquarters: South Windsor, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Cabo Verdeans United Organization

    EIN 050519411 · Headquarters: South Windsor, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. CACNA1A Foundation

    EIN 844985747 · Headquarters: Norwalk, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Cadence of Yale

    EIN 934621358 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. CAIR Connecticut

    EIN 200511794 · Headquarters: South Lyme, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Cajal Academy Inc

    EIN 834590052 · Headquarters: NORWALK, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Calabria Mia Inc

    EIN 061135251 · Headquarters: new britain, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. Calendar House Membership Assoc Inc

    EIN 061271063 · Headquarters: SOUTHINGTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Calf Island Conservancy Inc

    EIN 010809168 · Headquarters: Westbrook, CT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  33. Calf Island Foundation C/o W M Jennings & B Dater

    EIN 066304990 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Calkins Family Association

    EIN 262807518 · Headquarters: NORWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Call Before You Dig Inc

    EIN 060972151 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. Call to Care Uganda Inc

    EIN 320217823 · Headquarters: Madison, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Call-A-Ride of Greenwich Inc

    EIN 060970902 · Headquarters: Greenwich, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Callahan House Association

    EIN 800426146 · Headquarters: SEYMOUR, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  39. Calvary Set Apart Deliverance Ministry Inc

    EIN 843425921 · Headquarters: PROSPECT, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Calvin Hill Day Care Center Inc

    EIN 060865321 · Headquarters: New Haven, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Calvin K Kazanjian Economics Foundation Inc

    EIN 060665174 · Headquarters: Glastonbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Calvin Leete Parent Teacher Organization

    EIN 455378100 · Headquarters: Guilford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Cambodian Foundation for Higher Education Inc

    EIN 264476929 · Headquarters: West Haven, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  44. Cambodias Children Education Fund Inc

    EIN 611545069 · Headquarters: Old Greenwich, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Cambriella Academy School of Excellence Inc

    EIN 853434399 · Headquarters: East Hartford, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. Camellas Cupboard Incorporated

    EIN 832491257 · Headquarters: New Milford, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Camelot Faith and Leadership Institute Inc

    EIN 453505790 · Headquarters: Darien, CT, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  48. Camera Club of Oxford Greens Inc

    EIN 272595410 · Headquarters: Norwalk, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Camerata D Amici Inc

    EIN 593840585 · Headquarters: Ridgefield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Cameron Family Foundation Inc

    EIN 208085838 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Cameron James Neville Foundation Inc

    EIN 331484945 · Headquarters: Durham, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Cameroonian Community of Connecticut- Inc

    EIN 854279360 · Headquarters: North Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Camilles Place Inc

    EIN 861352019 · Headquarters: Meridian, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Camp Argo

    EIN 461967224 · Headquarters: Orange, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Camp Boyd Committee Inc

    EIN 274105329 · Headquarters: Litchfield, CT, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. Camp Care Inc

    EIN 030469864 · Headquarters: COLUMBIA, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Camp Claire Inc

    EIN 060762788 · Headquarters: OLD LYME, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Camp Cocoa Animal Care

    EIN 884032903 · Headquarters: Woodstock, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Camp Columbia Disc Golf Course

    EIN 823288585 · Headquarters: Bethlehem, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. Camp Connecticut Independent Order of Odd Fellows and Rebekahs Inc

    EIN 237106384 · Headquarters: East Hampton, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Camp Courant Inc

    EIN 061018155 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Camp Erio Marketing Inc

    EIN 881376415 · Headquarters: BRANFORD, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Camp Gan Israel of Greater New Haven Inc

    EIN 061077439 · Headquarters: ORANGE, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Camp Gilead Inc

    EIN 811158399 · Headquarters: PLANTSVILLE, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Camp Harkness Booster Club Inc

    EIN 061024997 · Headquarters: waterford, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  66. Camp Harkness Foundation Inc

    EIN 831937067 · Headquarters: Waterford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Camp Hazen Young Men's Christian Association Inc

    EIN 060860014 · Headquarters: CHESTER, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Camp Hispaniola

    EIN 272134718 · Headquarters: Newington, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Camp Jonathan Inc

    EIN 061551558 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Camp Kayak USA Inc

    EIN 452197492 · Headquarters: Branford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Camp Kirkham Corporation

    EIN 261667567 · Headquarters: MANCHESTER, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Camp Laurelwood Inc

    EIN 060693092 · Headquarters: MADINSON, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  73. Camp Lavalley Inc

    EIN 060953025 · Headquarters: windsor locks, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  74. Camp Mohawk Incorporated

    EIN 060646565 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Camp Rising Sun Charitable Foundation Inc

    EIN 204853548 · Headquarters: Oakdale, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Camp Rising Sun Inc

    EIN 464493253 · Headquarters: Oakdale, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Camp Sloane YMCA

    EIN 131739939 · Headquarters: LAKEVILLE, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Camp Wightman Camping & Conference Center

    EIN 874741953 · Headquarters: Griswold, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Camp Workcoeman Alumni Association Incorporated

    EIN 821708330 · Headquarters: GLASTONBURY, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Campaign for Linda and Laura

    EIN 464452206 · Headquarters: TRUMBULL, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Campct Inc

    EIN 472647725 · Headquarters: Sharon, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Campus for Succesful Learning Inc

    EIN 203289353 · Headquarters: Wilton, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  83. Can Do Inc

    EIN 223066459 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Cana Mission

    EIN 510427371 · Headquarters: East Hartford, CT, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  85. Canaan Cemetery Association

    EIN 066056634 · Headquarters: FALLS VILLAGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Canaan Chamber of Commerce Inc

    EIN 113822870 · Headquarters: Canaan, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  87. Canaan Child Care Inc

    EIN 060931866 · Headquarters: Canaan, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Canaan Community Tr Inc

    EIN 061305611 · Headquarters: Canaan, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Canaan Fire Company Inc

    EIN 066034312 · Headquarters: CANAAN, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Canaan Foundation Inc

    EIN 061502083 · Headquarters: NEW CANAAN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Canaan Institutional Baptist Church

    EIN 061404144 · Headquarters: SOUTH NORWALK, CT, USA · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  92. Canaan Kids Artspace Inc

    EIN 333001613 · Headquarters: NORTH CANAAN, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Canaan Ridge School Corp

    EIN 060970018 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  94. Canal Dock Boathouse Incorporated

    EIN 464634200 · Headquarters: New Haven, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Canavan Research Foundation Inc

    EIN 061579083 · Headquarters: NEW FAIRFIELD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Cancer Education Foundation Inc

    EIN 270955932 · Headquarters: Clinton, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. Cancer Fight Club USA Inc

    EIN 475150633 · Headquarters: POMFRET CENTER, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  98. Cancer Research for Integrative Medicine Research & Education Inc

    EIN 200228934 · Headquarters: GREENWICH, CT, US · Medical Research · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  99. Cancer Support Community - Southern Connecticut

    EIN 562542098 · Headquarters: RIDGEFIELD, CT, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  100. Cancer Survivors Who Can Charities Inc

    EIN 462468545 · Headquarters: Avon, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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