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. Deep River Junior Ancient Fife & Drum Corps Inc

    EIN 237413431 · Headquarters: Deep River, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Deep River Land Trust Inc

    EIN 510144889 · Headquarters: Deep River, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Deep River Little League

    EIN 061485746 · Headquarters: deep river, CT, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Deep River Rotary Foundation Incorporated

    EIN 061598631 · Headquarters: Deep River, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Deep River Taxpayers Association Inc

    EIN 651168804 · Headquarters: Deep River, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Deep River Town Hall Restoration Association Inc

    EIN 061017000 · Headquarters: Deep River, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. Defiant Crew Mc of Torrington Ct

    EIN 274289332 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  8. Dej International Heritage Foundation Inc

    EIN 510541244 · Headquarters: WEST HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Dekker Foundation

    EIN 061479508 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  10. Del Function Incorporated

    EIN 222553654 · Headquarters: norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Delafield Island Social Group Inc

    EIN 262876768 · Headquarters: DARIEN, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Delaware Valley Chapter American Academy of Psychiatry and the Law

    EIN 223358040 · Headquarters: Bloomfield, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  13. Deld Family Foundation

    EIN 542075753 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Deliverance Temple Pentecostal Ministries Inc & Outreach Center

    EIN 222585800 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Dellora a & Lester J Norris Foundation

    EIN 363054939 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Delmont & Elfriede Pfeffer Scholarship Fund

    EIN 061458034 · Headquarters: MIDDLEBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Deloitte

    EIN 136400341 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Delta Chi Fraternity

    EIN 061033621 · Headquarters: West Haven, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  19. Delta Chi Housing Corporation of Connecticut

    EIN 222995682 · Headquarters: Manchester, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  20. Delta Foundation of Greater New Haven Inc

    EIN 260529146 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Delta Gamma Fraternity

    EIN 066079749 · Headquarters: Windsor, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  22. Delta Gamma Fraternity

    EIN 066105328 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Delta Kappa Epsilon Council

    EIN 066071074 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. Delta Kappa Epsilon Council

    EIN 932511282 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Delta Kappa Gamma Society

    EIN 061013815 · Headquarters: North Haven, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  26. Delta Kappa Gamma Society

    EIN 061014253 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Delta Kappa Gamma Society

    EIN 061025862 · Headquarters: Winsted, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  28. Delta Kappa Gamma Society

    EIN 066062514 · Headquarters: Fairfield, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  29. Delta Kappa Gamma Society

    EIN 066083860 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Delta Kappa Gamma Society

    EIN 066083892 · Headquarters: WINSTED, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Delta Kappa Gamma Society

    EIN 066084040 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Delta Kappa Gamma Society

    EIN 066084041 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Delta Kappa Gamma Society

    EIN 066084046 · Headquarters: COLUMBIA, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Delta Kappa Gamma Society

    EIN 066085466 · Headquarters: North Haven, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Delta Kappa Gamma Society

    EIN 742541548 · Headquarters: North Haven, CT, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. Delta Kappa Gamma Society International

    EIN 061025863 · Headquarters: Torrington, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. Delta Kappa Gamma Society International

    EIN 066083894 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Delta Kappa Gamma Society International

    EIN 066084011 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Delta Kappa Gamma Society International

    EIN 066084014 · Headquarters: New Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Delta Kappa Gamma Society International

    EIN 066085462 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Delta Kappa Gamma Society International

    EIN 066085469 · Headquarters: Middlebury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Delta Kappa Gamma Society International

    EIN 237085635 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Delta Kappa Gamma Society International

    EIN 510226496 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Delta Tau Delta Fraternity

    EIN 271128990 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Delta Tau Delta Fraternity

    EIN 823040084 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Delta Upsilon International Fraternity Inc

    EIN 462293861 · Headquarters: HAMDEN, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  47. Delta Upsilon International Fraternity Inc

    EIN 462368919 · Headquarters: Fairfield, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  48. Delta Zeta Sorority

    EIN 066068585 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Delvivo Foundation Inc

    EIN 332040131 · Headquarters: NEW BRITAIN, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. DeMalia House of Hope

    EIN 993964171 · Headquarters: Plainfield, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Demarco Memorial Inc

    EIN 831334633 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Deming Young Farm Foundation Inc

    EIN 061615992 · Headquarters: Newington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Demolay International

    EIN 061320582 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Demolay International

    EIN 061326177 · Headquarters: South Woodstock, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Demolay International

    EIN 061790312 · Headquarters: Wallingford, CT, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  56. Demolay International

    EIN 066057963 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Demolay International

    EIN 161668518 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Demolay International

    EIN 237110154 · Headquarters: West Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Demolay International

    EIN 237346752 · Headquarters: Suffield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Demolay International

    EIN 237587499 · Headquarters: East Norwalk, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Demolay International

    EIN 237587500 · Headquarters: Wallingford, CT, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Demolay International

    EIN 237587503 · Headquarters: Wallingford, CT, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Demolay International

    EIN 237587505 · Headquarters: Wallingford, CT, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Demolay International

    EIN 237587507 · Headquarters: Milford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Demolay International

    EIN 237587522 · Headquarters: Wallingford, CT, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Demolay International

    EIN 392561639 · Headquarters: Winsted, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Demolay International

    EIN 475097091 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Demolay International

    EIN 842891095 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Demolay International

    EIN 883826926 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Demolay International Connnecticut Chapter

    EIN 237208707 · Headquarters: PLANTSVILLE, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Denaina Strong Inc

    EIN 833304201 · Headquarters: Middletown, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Denison Pequotsepos Nature Center

    EIN 060884024 · Headquarters: MYSTIC, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Depalma Roy Scholarship Fund

    EIN 992181035 · Headquarters: NORTH GRANBY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Depaolo Family Foundation Inc

    EIN 205974638 · Headquarters: Southington, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Depaolo Junior High School Parent Teacher Organization Inc

    EIN 061213994 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 010898064 · Headquarters: Rocky Hill, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  77. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 061279148 · Headquarters: Centerbrook, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  78. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 061351920 · Headquarters: Quinebaug, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  79. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 113828860 · Headquarters: Uncasville, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  80. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 237328927 · Headquarters: Stamford, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 237333036 · Headquarters: East Hartford, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  82. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 262514840 · Headquarters: Plainfield, CT, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 270887250 · Headquarters: Norwalk, CT, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 270887537 · Headquarters: WEST HAVEN, CT, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  85. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 270887741 · Headquarters: Meriden, CT, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  86. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 270887805 · Headquarters: Bridgeport, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  87. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 271149363 · Headquarters: Meriden, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  88. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 300688775 · Headquarters: North Stonington, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  89. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 352322884 · Headquarters: Oakville, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  90. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 352339213 · Headquarters: Fairfield, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  91. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 450464592 · Headquarters: bridgeport, CT, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  92. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 800179143 · Headquarters: Glastonbury, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  93. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 800216701 · Headquarters: Northford, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  94. Department of Connecticut Ladies Auxiliary to the Vfw of the U S

    EIN 900399007 · Headquarters: West Granby, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  95. Department of Connecticut Vfw Foundation Inc

    EIN 331876649 · Headquarters: ROCKY HILL, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Department of Rhode Island Aux Vfw

    EIN 611566406 · Headquarters: Stonington, CT, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. DePaul Health Services Corporation

    EIN 061157544 · Headquarters: New Haven, CT, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990

  98. Dependable Engines Association Inc

    EIN 331299793 · Headquarters: Glastonbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Depression and Bipolar Support Alliance

    EIN 900592241 · Headquarters: West Hartford, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Derby Day Care Center Inc

    EIN 060879904 · Headquarters: DERBY, CT, USA · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990

First page and all pages