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 State Grange Patrons of Husbandry

    EIN 066197979 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Connecticut State Grange Patrons of Husbandry

    EIN 222989650 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Connecticut State Grange Patrons of Husbandry

    EIN 222990218 · Headquarters: Glastonbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  4. Connecticut State Grange Patrons of Husbandry

    EIN 222990220 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Connecticut State Grange Patrons of Husbandry

    EIN 237211295 · Headquarters: Glastonbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  6. Connecticut State Grange Patrons of Husbandry

    EIN 237218828 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Connecticut State Grange Patrons of Husbandry

    EIN 237231543 · Headquarters: Glastonbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. Connecticut State Grange Patrons of Husbandry

    EIN 237273852 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Connecticut State Grange Patrons of Husbandry

    EIN 237278988 · Headquarters: Winchester Center, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  10. Connecticut State Grange Patrons of Husbandry

    EIN 237298617 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Connecticut State Grange Patrons of Husbandry

    EIN 237318729 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. Connecticut State Grange Patrons of Husbandry

    EIN 237584819 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Connecticut State Grange Patrons of Husbandry

    EIN 237584820 · Headquarters: Glastonbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  14. Connecticut State Grange Patrons of Husbandry

    EIN 237584832 · Headquarters: North Haven, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  15. Connecticut State Grange Patrons of Husbandry

    EIN 237584836 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Connecticut State Grange Patrons of Husbandry

    EIN 237584846 · Headquarters: Middletown, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Connecticut State Grange Patrons of Husbandry

    EIN 237584847 · Headquarters: Willington, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  18. Connecticut State Grange Patrons of Husbandry

    EIN 237584871 · Headquarters: Milford, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  19. Connecticut State Grange Patrons of Husbandry

    EIN 237584873 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Connecticut State Grange Patrons of Husbandry

    EIN 237584876 · Headquarters: Colchester, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  21. Connecticut State Grange Patrons of Husbandry

    EIN 237584882 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Connecticut State Grange Patrons of Husbandry

    EIN 237584887 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Connecticut State Grange Patrons of Husbandry

    EIN 237584898 · Headquarters: Putnam, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  24. Connecticut State Grange Patrons of Husbandry

    EIN 237584902 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Connecticut State Grange Patrons of Husbandry

    EIN 237584908 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Connecticut State Grange Patrons of Husbandry

    EIN 237584918 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Connecticut State Grange Patrons of Husbandry

    EIN 237584920 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Connecticut State Grange Patrons of Husbandry

    EIN 237584926 · Headquarters: OLD LYME, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  29. Connecticut State Grange Patrons of Husbandry

    EIN 237584934 · Headquarters: Norwich, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  30. Connecticut State Grange Patrons of Husbandry

    EIN 237584935 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Connecticut State Grange Patrons of Husbandry

    EIN 237584939 · Headquarters: Glastonbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Connecticut State Grange Patrons of Husbandry

    EIN 237584952 · Headquarters: WEST SUFFIELD, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  33. Connecticut State Grange Patrons of Husbandry

    EIN 237584956 · Headquarters: Columbia, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  34. Connecticut State Grange Patrons of Husbandry

    EIN 237584959 · Headquarters: Canton, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  35. Connecticut State Grange Patrons of Husbandry

    EIN 237584961 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Connecticut State Grange Patrons of Husbandry

    EIN 237584966 · Headquarters: Cheshire, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  37. Connecticut State Grange Patrons of Husbandry

    EIN 237584974 · Headquarters: Vernon, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  38. Connecticut State Grange Patrons of Husbandry

    EIN 300590639 · Headquarters: Lebanon, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  39. Connecticut State Grange Patrons of Husbandry

    EIN 342060042 · Headquarters: Winchester Center, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Connecticut State Grange Patrons of Husbandry

    EIN 463372215 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Connecticut State Grange Patrons of Husbandry

    EIN 800535383 · Headquarters: Winchester Center, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  42. Connecticut State Grange Patrons of Husbandry

    EIN 824902360 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Connecticut State Grange Patrons of Husbandry

    EIN 825410034 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Connecticut State Grange Patrons of Husbandry

    EIN 825414039 · Headquarters: Winchester Center, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Connecticut State Independent Living Council

    EIN 061664597 · Headquarters: Hartford, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Connecticut State Marksmanship Training Inc

    EIN 995050942 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Connecticut State Medical Society Charitable Trust

    EIN 066340079 · Headquarters: NORTH HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Connecticut State Medical Society Inc

    EIN 060665164 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Connecticut State Missionary Baptist Convention Community Devel

    EIN 825353183 · Headquarters: Norwalk, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Connecticut State Police Union Inc

    EIN 061046318 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Connecticut State Referee Program Inc

    EIN 463300249 · Headquarters: NEWINGTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Connecticut State Rifle & Revolver Association Inc

    EIN 061002416 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Connecticut State Seniors Golf Association Inc

    EIN 237253365 · Headquarters: SOUTHPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Connecticut State Soccer Association

    EIN 223262252 · Headquarters: Stamford, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Connecticut State Society of Anesthesiologists Inc

    EIN 066079041 · Headquarters: UNIONVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Connecticut State Society of Orthodontists Inc

    EIN 823212916 · Headquarters: Cheshire, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Connecticut State Univers American

    EIN 060942016 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Connecticut State Veterans Memorial Inc

    EIN 262627700 · Headquarters: Rocky Hill, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  59. Connecticut Stem Foundation Inc

    EIN 200001652 · Headquarters: Southbury, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Connecticut Sterile Processing Assoc Inc

    EIN 882986820 · Headquarters: MIDDLETOWN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Connecticut Stonewall Foundation Inc

    EIN 222784840 · Headquarters: West Hartford, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Connecticut Storm Basketball Club Inc

    EIN 061441040 · Headquarters: COLCHESTER, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Connecticut Storytelling Center Inc

    EIN 061467199 · Headquarters: NEW LONDON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Connecticut Street Rod Association

    EIN 223032480 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Connecticut Student Journalism Collaborative Inc

    EIN 332235310 · Headquarters: Stonington, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Connecticut Student Loan Foundation

    EIN 060812178 · Headquarters: HARTFORD, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Connecticut Subcontractors Association Inc

    EIN 061589804 · Headquarters: BLOOMFIELD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Connecticut Summer Opera Foundation Inc

    EIN 460566560 · Headquarters: Waterbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Connecticut Summerfest Inc

    EIN 475031850 · Headquarters: FARMINGTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Connecticut Support Treatment and Reentry Inc

    EIN 472139467 · Headquarters: Fairfield, CT, US · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Connecticut Supreme Court Historical Society

    EIN 203136369 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Connecticut Surety Association Inc

    EIN 432010633 · Headquarters: HARTFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Connecticut Surfcasters Assn Inc

    EIN 061368632 · Headquarters: New Haven, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Connecticut Surgical Quality Collaborative Inc

    EIN 061046679 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Connecticut Surgical Research &

    EIN 061570077 · Headquarters: HARTFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  76. Connecticut Sustainable Business Council Inc

    EIN 813372785 · Headquarters: Bethel, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Connecticut Swing Dance Society Inc

    EIN 061379335 · Headquarters: West Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Connecticut Symphonic Winds Inc

    EIN 061459367 · Headquarters: STRATFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Connecticut Symphony Orchestra Inc

    EIN 237085685 · Headquarters: Canton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Connecticut Taekwondo Alliance Inc

    EIN 823537636 · Headquarters: NEW HAVEN, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Connecticut Takeover Incorporated

    EIN 841887697 · Headquarters: Berline, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Connecticut Talent Assistance Cooperativ Conntac Inc

    EIN 222496290 · Headquarters: MERIDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Connecticut Tamil Sangam Inc

    EIN 223196735 · Headquarters: Orange, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Connecticut Tax Collectors Assn In

    EIN 061514329 · Headquarters: Milford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Connecticut Teacher of the Year Council Inc

    EIN 272498234 · Headquarters: NORTH BRANFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Connecticut Teachers of English to Speakers of Other Languages Mcclea

    EIN 222577087 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Connecticut Technology Council Inc

    EIN 061387547 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Connecticut Technology Education Association Inc

    EIN 842238937 · Headquarters: Shelton, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Connecticut Telugu Community of USA Inc

    EIN 332639561 · Headquarters: STAMFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Connecticut Theater Company Inc

    EIN 464260784 · Headquarters: NEW BRITAIN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Connecticut Theater Dance Company

    EIN 471033842 · Headquarters: Norwalk, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Connecticut Theater Women Network Inc

    EIN 334817376 · Headquarters: Madison, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Connecticut Theatre Exchange Inc

    EIN 884196153 · Headquarters: WASHINGTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Connecticut Title Assocation Inc

    EIN 222712755 · Headquarters: Rocky Hill, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. Connecticut Tooling and Machining Association

    EIN 060797654 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Connecticut Tourism Coalition Inc

    EIN 811507947 · Headquarters: OLD SAYBROOK, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Connecticut Town and City Management Association Inc

    EIN 352507110 · Headquarters: Wethersfield, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Connecticut Town Clerks Associationinc

    EIN 223076161 · Headquarters: CROMWELL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Connecticut Training Center Inc

    EIN 223235660 · Headquarters: East Hartford, CT, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  100. Connecticut Transadvocacy Coalition Inc

    EIN 272418103 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

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