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. Black Corner Investments Inc

    EIN 883910238 · Headquarters: NEW HAVEN, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Black Economic Justice Institute in C

    EIN 464951690 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Black Girls Get Legaltee

    EIN 994732215 · Headquarters: Norwalk, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Black Graduate Student Network

    EIN 461310388 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  5. Black Hall Club Inc

    EIN 060801438 · Headquarters: Old Lyme, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Black Heritage Incorporated

    EIN 853475688 · Headquarters: WILTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Black Infinity Collective Inc

    EIN 871672962 · Headquarters: Hamden, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990

  8. Black Iv Inc

    EIN 832498144 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Black Leaders and Administrators Consortium Incorporated

    EIN 832633607 · Headquarters: Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Black Moon Wildlife Inc

    EIN 931561548 · Headquarters: Griswold, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Black Psychoanalysts Speak Inc

    EIN 830917183 · Headquarters: WESTPORT, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Black Rock Community Council Inc

    EIN 060961675 · Headquarters: BRIDGEPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Black Rock Families for Excellence Inc

    EIN 264535907 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  14. Black Rock Neighborhood Revitalization Zone Incorporated

    EIN 273722709 · Headquarters: BRIDGEPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Black Rock Rotary Foundation Inc

    EIN 300712272 · Headquarters: Fairfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. Black Rock Sunrise Group of Aa

    EIN 465567164 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Black Rock Theater Corporation

    EIN 811152166 · Headquarters: Fairfield, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Black Rock Yacht Club Inc

    EIN 060264110 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Black Women of the Insurance Industry Incorporated

    EIN 334717066 · Headquarters: Middletown, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Blackberry River Valley Protection Alliance Inc

    EIN 872604052 · Headquarters: East Canaan, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Blackhorse 4 Heros Inc

    EIN 452254917 · Headquarters: Bethany, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  22. Blackledge Mens Golf Association

    EIN 223240600 · Headquarters: Amston CT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Blackledgemusic Inc

    EIN 300137866 · Headquarters: East Hampton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Blacks in Government

    EIN 834585452 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Blackstone Industries Employee Benefit Association

    EIN 222622788 · Headquarters: BETHEL, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990

  26. Blattman Family Foundation

    EIN 137218466 · Headquarters: Norwalk, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. Blau House & Gardens Inc

    EIN 880753928 · Headquarters: Westport, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Blau House and Garden Foundations Inc

    EIN 201983310 · Headquarters: Westport, CT, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  29. Blc Fly Fishers Inc

    EIN 222384948 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Bless It Forward Inc

    EIN 874713048 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Blessbackjamdown Missions Inc

    EIN 871243800 · Headquarters: Manchester, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Blessed Are the Meek Inc

    EIN 843435129 · Headquarters: Coventry, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Blessed Assurance Inc

    EIN 475182111 · Headquarters: Trumbull, CT, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. Blessed Child Inc

    EIN 833837016 · Headquarters: Hartford, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Blessed Dressed Inc

    EIN 994146217 · Headquarters: GREENWICH, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Blessed Keyes Ministries Inc

    EIN 852527801 · Headquarters: Wallingford, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Blessed of the Lord Extension

    EIN 821499338 · Headquarters: BRIDGEPORT, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Blessing Project Inc

    EIN 871785774 · Headquarters: Milford, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Blessings International Inc

    EIN 810605593 · Headquarters: West haven, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. Blet Division 63 C/o Wayne J Bancroft

    EIN 046167893 · Headquarters: ENFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Blet Division 77 C/o Kelvin L Webb

    EIN 066098236 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Blick Medical Allies Inc

    EIN 393715255 · Headquarters: NORWALK, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Blitzer Family Foundation

    EIN 471261557 · Headquarters: OLD GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. Blockchainct Inc

    EIN 832811877 · Headquarters: Weston, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Blocks of Hope Inc

    EIN 994235601 · Headquarters: SOUTH WINDSOR, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Blood Sweat and Gears

    EIN 550880610 · Headquarters: Orange, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Bloody Historical

    EIN 454677529 · Headquarters: MANSFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Bloomfield Access Television

    EIN 222472517 · Headquarters: Bloomfield, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Bloomfield Amateur Radio Club

    EIN 464369525 · Headquarters: Canton, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Bloomfield Athletic Trust Bat

    EIN 060961378 · Headquarters: BLOOMFIELD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Bloomfield Cemetery Association

    EIN 060663372 · Headquarters: BLOOMFIELD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Bloomfield Center Volunteer Fire Company Inc

    EIN 461856687 · Headquarters: Bloomfield, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Bloomfield Chamber of Commerce Foundation Inc

    EIN 020562760 · Headquarters: Bloomfield, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Bloomfield Chamber of Commerce Inc

    EIN 066076899 · Headquarters: Bloomfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Bloomfield Diabetes Wellness Center

    EIN 352342163 · Headquarters: Bloomfield, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  56. Bloomfield Early Learning Center Inc

    EIN 510202871 · Headquarters: Bloomfield, CT, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  57. Bloomfield Education Association

    EIN 237127978 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Bloomfield Education Foundation Inc

    EIN 061551447 · Headquarters: bloomfield, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  59. Bloomfield Farm Implement Museum Inc

    EIN 061030940 · Headquarters: Bloomfield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  60. Bloomfield Fire Auxilary

    EIN 824067593 · Headquarters: Bloomfield, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Bloomfield Fish & Game Club Terry Plains Rd Ext

    EIN 061280594 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Bloomfield Jr Warhawks Inc

    EIN 990701696 · Headquarters: Bloomfield, CT, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Bloomfield Junior Soccer Association Inc

    EIN 222512472 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Bloomfield Raiders Youth Football Inc

    EIN 223348867 · Headquarters: BLOOMFIELD, CT, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  65. Bloomfield Rotary Foundation Inc

    EIN 562330097 · Headquarters: Bloomfield, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Bloomfield Volunteer Ambulance Fund Inc C/o Daniel Rosenthal

    EIN 060957252 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Bloomfield Youth Basketball League

    EIN 061520439 · Headquarters: Bloomfield, CT, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  68. Blooming Into Greatness

    EIN 851791612 · Headquarters: Norwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Blossom Hill Foundation Inc

    EIN 264094865 · Headquarters: New Canaan, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Blue & White Knights Inc

    EIN 461146210 · Headquarters: Darien, CT, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Blue Angels Foundation Inc

    EIN 300267545 · Headquarters: Manchester, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Blue Back Farmers Market Inc

    EIN 872531660 · Headquarters: Farmington, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Blue Bag Foundation Inc

    EIN 932789371 · Headquarters: Mystic, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Blue Beast Athletics Inc

    EIN 475175121 · Headquarters: Colchester, CT, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Blue Booby Inc

    EIN 883552667 · Headquarters: New Haven, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Blue Buffalo Foundation Inc C/o Mr Tom Donovan

    EIN 550842410 · Headquarters: WILTON, CT, USA · Medical Research · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  77. Blue Edge Figure Skating Club of Connecticut Inc

    EIN 743153418 · Headquarters: New Haven, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Blue Fire Stage Company

    EIN 842759194 · Headquarters: HADDAM, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Blue Hills Civic Association

    EIN 060876558 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. Blue Hills Theatre Corporation

    EIN 263642735 · Headquarters: HAMDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Blue Iris Farm Rescue & Retreat Inc

    EIN 923868305 · Headquarters: Lebanon, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Blue Knights Ct Vii

    EIN 061197103 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Blue Knights Motorcycle Club

    EIN 222710569 · Headquarters: Orange, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Blue Knights Motorcycle Club

    EIN 222829305 · Headquarters: Groton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Blue Knights Motorcycle Club

    EIN 223212590 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Blue Knights Motorcycle Club

    EIN 223212596 · Headquarters: Ansonia, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Blue Line Jars Inc

    EIN 933203554 · Headquarters: West Haven, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Blue Lodge Council Fourth Masonic District

    EIN 473407089 · Headquarters: Bethany, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Blue Moon Raptors Inc

    EIN 832451765 · Headquarters: Guilford, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Blue Sheep Company

    EIN 423383236 · Headquarters: Watertwon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Blue Sky Farm and Sanctuary Inc

    EIN 992268311 · Headquarters: Canterbury, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Blue Sky Ukraine Inc

    EIN 921419444 · Headquarters: NORWALK, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Blue Slope Country Museum Inc

    EIN 061597692 · Headquarters: Franklin, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Blue Star Mothers and Families of Stratford Inc

    EIN 204402226 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  95. Blue Star Mothers of America Inc

    EIN 205207950 · Headquarters: Plymouth, CT, US · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  96. Blue Star Mothers of America Inc

    EIN 261777430 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Blue Star Mothers of America Inc

    EIN 263591799 · Headquarters: Bethel, CT, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  98. Blue Star Mothers of America Inc

    EIN 843068665 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Blue Trails Water Association Inc

    EIN 066075035 · Headquarters: NORTHFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Blue Wave Pride Club

    EIN 205232855 · Headquarters: Darien, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

First page and all pages