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. Connecticut Association for the Education of Young Children Inc

    EIN 061156469 · Headquarters: Meriden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Connecticut Association for the Gifted Inc

    EIN 222682441 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Connecticut Association for the Treatment of Sexual Offenders Inc

    EIN 320670260 · Headquarters: CROMWELL, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Connecticut Association of Adult Day Centers Inc

    EIN 222672829 · Headquarters: ROCKY HILL, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Connecticut Association of Agricultural Educators

    EIN 471040658 · Headquarters: HARTFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Connecticut Association of Ambulatory Surgery Centers Inc

    EIN 841640904 · Headquarters: AVON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Connecticut Association of Assessing Officers Inc

    EIN 061317665 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Connecticut Association of Athletic Directors Inc

    EIN 061143881 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Connecticut Association of Boards of Education Inc

    EIN 060767770 · Headquarters: WETHERSFIELD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Connecticut Association of Centers for Independent Living Inc

    EIN 061602504 · Headquarters: Stratford, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Connecticut Association of Community Pharmacies Inc

    EIN 061285166 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Connecticut Association of Conservation & Inland Wetlands

    EIN 223209645 · Headquarters: MIDDLETOWN, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Connecticut Association of Directors of Health Cadh Inc

    EIN 061473233 · Headquarters: WILLIMANTIC, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Connecticut Association of Endodontists

    EIN 800466489 · Headquarters: Fairfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. Connecticut Association of Flood Managers

    EIN 465263281 · Headquarters: Norwich, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Connecticut Association of Future Farmers of America

    EIN 066103847 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Connecticut Association of Future Farmers of America Foundation Inc

    EIN 066068535 · Headquarters: DAYVILLE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Connecticut Association of Golf Course S

    EIN 060806903 · Headquarters: Redding Center, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Connecticut Association of Health Care Facilities Inc

    EIN 066070891 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Connecticut Association of Housing Code Enforcement Officials Inc

    EIN 383780196 · Headquarters: New Britain, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Connecticut Association of Independent Schools Inc

    EIN 060848965 · Headquarters: SOUTHINGTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Connecticut Association of Labor Unions Inc

    EIN 820821823 · Headquarters: SHELTON, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. Connecticut Association of Land Surveyors Inc

    EIN 060909076 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Connecticut Association of Latin Americans in Higher Education Inc

    EIN 222562167 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Connecticut Association of Latino Administrators and Superintendents

    EIN 811165470 · Headquarters: HAMPTON, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Connecticut Association of Licensed Homes for the Aged Inc

    EIN 222774602 · Headquarters: Haddam, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Connecticut Association of Municipal Development Commissions

    EIN 222811721 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Connecticut Association of Nonprofits Inc

    EIN 060955333 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990

  29. Connecticut Association of Nurse Anesthetists

    EIN 237371207 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Connecticut Association of Occupational Health Nurses

    EIN 061079831 · Headquarters: Litchfield, CT, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Connecticut Association of Optometrists Inc

    EIN 060874713 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Connecticut Association of Pawnbrokers Inc

    EIN 223455586 · Headquarters: Waterbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. Connecticut Association of Phillippine Physicians

    EIN 061225763 · Headquarters: Canton, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Connecticut Association of Police Officers Inc

    EIN 270023641 · Headquarters: Stamford, CT, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Connecticut Association of Prevention Professionals Inc

    EIN 061323927 · Headquarters: MILFORD, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990

  36. Connecticut Association of Private Special Education Facilities Inc

    EIN 061044412 · Headquarters: GLASTONBURY, CT, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  37. Connecticut Association of Professional Tattooers Inc

    EIN 822702127 · Headquarters: Bolton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Connecticut Association of Public School Superintendents

    EIN 066065157 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990

  39. Connecticut Association of Public School Superintendents

    EIN 455636114 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Connecticut Association of Realtors Foundation Inc

    EIN 264102992 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Connecticut Association of Realtors Inc

    EIN 060766926 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Connecticut Association of School Administrators Inc

    EIN 274642203 · Headquarters: STRATFORD, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Connecticut Association of School Personnel Administrators

    EIN 061180032 · Headquarters: Torrington, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Connecticut Association of Schools Inc

    EIN 060699243 · Headquarters: CHESHIRE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Connecticut Association of Senior Center Personnel

    EIN 061172790 · Headquarters: New Britain, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Connecticut Association of Social Workers Inc

    EIN 202758736 · Headquarters: Middletown, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  47. Connecticut Association of the Deaf Inc

    EIN 061035371 · Headquarters: Wethersfield, CT, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  48. Connecticut Association of Wetland Scientists

    EIN 061497416 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Connecticut Association of Women Police Inc

    EIN 061099694 · Headquarters: SOUTH WINDSOR, CT, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  50. Connecticut Associaton of Paralegals Inc

    EIN 061016073 · Headquarters: Bridgeport, CT, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  51. Connecticut Athletic Trainers Association Inc

    EIN 222989065 · Headquarters: Washington Depot, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Connecticut Attack

    EIN 452508897 · Headquarters: South Windsor, CT, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990

  53. Connecticut Audubon Society Inc

    EIN 060653531 · Headquarters: FAIRFIELD, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Connecticut Authors and Publishers Association Inc

    EIN 991917816 · Headquarters: Avon, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Connecticut Autocross and Rally Team Inc Paul Omichinski

    EIN 222695856 · Headquarters: Burlington, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Connecticut Automotive Retailers Association Inc

    EIN 060302510 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Connecticut Ballet Inc

    EIN 061039302 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Connecticut Ballet School

    EIN 061388107 · Headquarters: FAIRFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Connecticut Bandits Inc

    EIN 061556361 · Headquarters: Avon, CT, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Connecticut Bankers Association

    EIN 060550070 · Headquarters: Farmington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Connecticut Bankers Foundation Inc

    EIN 270287954 · Headquarters: Farmington, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. Connecticut Bankers Reward Assoc

    EIN 222965225 · Headquarters: Naugatuck, CT, US · Crime & Legal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  63. Connecticut Baptist Homes Inc

    EIN 061017444 · Headquarters: MERIDEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Connecticut Baptist Housing Inc

    EIN 061350567 · Headquarters: MERIDEN, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Connecticut Bar Association Inc

    EIN 060635307 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Connecticut Bar Foundation

    EIN 066079763 · Headquarters: HARTFORD, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Connecticut Baseball Charitable Foundation Inc

    EIN 208634451 · Headquarters: Glastonbury, CT, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. Connecticut Baseball Club Inc

    EIN 262577390 · Headquarters: BRISTOL, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990

  69. Connecticut Bass Nation Inc

    EIN 061306552 · Headquarters: WATERBURY, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Connecticut Bead Society

    EIN 061556696 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Connecticut Bee-keepers Association

    EIN 222558702 · Headquarters: WOODBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Connecticut Beer Wholesalers Association Inc

    EIN 060271338 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Connecticut Benefit Brokers Inc

    EIN 061361779 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Connecticut Beta of Pi Beta Phi House Corporation

    EIN 061364796 · Headquarters: Haven, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. Connecticut Beverage Coalition Incorporated

    EIN 461116394 · Headquarters: MANCHESTER, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  76. Connecticut Bicycle Coalition Inc

    EIN 060966226 · Headquarters: Stamford, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  77. Connecticut Black Sox Inc

    EIN 263339517 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Connecticut Bldg Officals Assoc Inc

    EIN 061414575 · Headquarters: MARLBOROUGH, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Connecticut Blockchain Association

    EIN 920999894 · Headquarters: GLASTONBURY, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Connecticut Blue Economy Coalition Inc

    EIN 414781980 · Headquarters: Old Lyme, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Connecticut Board of Volleyball Officials Southern Region

    EIN 743097163 · Headquarters: Marion, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  82. Connecticut Boat Club Inc

    EIN 273276437 · Headquarters: NORWALK, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Connecticut Book Festivals Inc

    EIN 334732996 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Connecticut Botanical Society Inc

    EIN 066051998 · Headquarters: Kensington, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Connecticut Boxer Club Inc

    EIN 300244938 · Headquarters: Woodbury, CT, US · Animal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  86. Connecticut Boxing Hall of Fame Inc

    EIN 542179245 · Headquarters: Rocky Hill, CT, USA · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  87. Connecticut Boys and Girls State Foundation

    EIN 812255879 · Headquarters: Bethel, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  88. Connecticut Braille Association Inc

    EIN 060776791 · Headquarters: WESTPORT, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Connecticut Brain Tumor Alliance Inc

    EIN 260307367 · Headquarters: AVON, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Connecticut Branches Academy Inc

    EIN 475481858 · Headquarters: WOODBRIDGE, CT, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  91. Connecticut Breast Cancer Coalition

    EIN 061415451 · Headquarters: LITCHFIELD, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  92. Connecticut Breast Feeding Coalition

    EIN 571184656 · Headquarters: Groton, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Connecticut Brewers Guild Inc

    EIN 455549494 · Headquarters: CANTERBURY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  94. Connecticut Broadcasters Association Inc

    EIN 066069238 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Connecticut Brownfield Land Bank

    EIN 463377961 · Headquarters: Essex, CT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Connecticut Buiding Congress Scholarship

    EIN 061014702 · Headquarters: MONROE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Connecticut Building Congress Inc

    EIN 060675684 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Connecticut Burns Care Foundation Inc

    EIN 061017365 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Connecticut Bus Association

    EIN 066048548 · Headquarters: Old Saybrook, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Connecticut Business Alliance Llc

    EIN 264818794 · Headquarters: wallingford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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