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. Ancient Order of Hibernians in America

    EIN 542093612 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Ancient Order of Hibernians in America

    EIN 811409779 · Headquarters: Glsatonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ancient Order of Hibernians in America 06 Fa 02 Parent Org Gen 0832

    EIN 141869699 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Ancient Order of Hibernians Naugatuck Division

    EIN 060955058 · Headquarters: NAUGATUCK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Anderson-Paffard Foundation Inc

    EIN 061047468 · Headquarters: New London, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. Andino International

    EIN 264423481 · Headquarters: Old Greenwich, CT, USA · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  7. Andover Friends of the Library Inc

    EIN 223056227 · Headquarters: Andover, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Andover Hebron Marlborough Youth and Family Services Inc

    EIN 222595584 · Headquarters: HEBRON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Andover Historical Society

    EIN 061314831 · Headquarters: ANDOVER, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Andover Lake Management Association Inc

    EIN 061233060 · Headquarters: Andover, CT, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  11. Andover Lake Property Owners Association Inc

    EIN 066069082 · Headquarters: Andover, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Andover Sportsmans Club Inc

    EIN 222630170 · Headquarters: ANDOVER, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Andover Volunteer Fire Department Inc

    EIN 331061239 · Headquarters: ANDOVER, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Andre and Elaine Suan Foundation

    EIN 061579439 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Andre Elkon Family Foundation

    EIN 872302038 · Headquarters: W HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Andrea Notman Memorial Scholarship Trust C/o Beryl S Notman

    EIN 061501341 · Headquarters: Enfield, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  17. Andrea T Hope for Life Foundation Inc

    EIN 990643527 · Headquarters: Fairfield, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Andrew & Anna Mae D'elia Foundation

    EIN 300281802 · Headquarters: SCOTLAND, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Andrew & Margaret Rosinger Foundat Alexander Breiner

    EIN 061446387 · Headquarters: FAIRFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Andrew Didomenico Memorial Foundation Inc

    EIN 995101109 · Headquarters: MERIDEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Andrew Foster Afrideaf Foundation

    EIN 465250206 · Headquarters: Norwalk, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Andrew J & Anita G Frankel Family Foundation Inc

    EIN 136167961 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  23. Andrew J & Joyce D Mandell Family Foundation Inc

    EIN 222536600 · Headquarters: NEWINGTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Andrew J Knuth Family Charitable Trust

    EIN 817001072 · Headquarters: WESTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Andrew J Whittingham Family Foundation Inc

    EIN 922217690 · Headquarters: Stamford, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Andrew Morehouse Trust Assn Inc

    EIN 352228640 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Andrew Schemera Foundation for Life

    EIN 208870770 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Andrew Shaw Memorial Trust

    EIN 066444446 · Headquarters: Darien, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Andrews Army Inc

    EIN 464811166 · Headquarters: Norwalk, CT, USA · Medical Research · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. Andrews Ohana Foundation

    EIN 841876238 · Headquarters: ROCKY HILL, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Andy Fund Corporation

    EIN 274018952 · Headquarters: East Hartford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. Andy Mcgann Cce

    EIN 872779969 · Headquarters: NEW MILFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Andy Schatz & Barbara Wolf Family Foundation Inc

    EIN 421688797 · Headquarters: WESTBROOK, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  34. Andy Smiles Forever Foundation Inc

    EIN 352465785 · Headquarters: FAIRFIELD, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Angel Charities Inc

    EIN 472608324 · Headquarters: Old Lyme, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Angel Choir

    EIN 450634643 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Angel Fallen from the Sky - American Organization

    EIN 465001587 · Headquarters: Danbury, CT, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  38. Angel Horses Inc

    EIN 010853010 · Headquarters: West Granby, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Angel of Edgewood Inc

    EIN 853536488 · Headquarters: HARTFORD, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Angel of Ridgefield Inc

    EIN 842606110 · Headquarters: Ridgefield, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Angel Swim Connecticut Trust

    EIN 056138536 · Headquarters: Old Lyme, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  42. Angela Marotta Inho Foundation Inc

    EIN 921176678 · Headquarters: Wethersfield, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Angeles T Arredondo Foundation

    EIN 133100869 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Angelita Baptist Bible Institute Inc

    EIN 474672489 · Headquarters: Windsor, CT, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  45. Angelo S Carrabba Md Foundation

    EIN 823601366 · Headquarters: BLOOMFIELD, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Angelo Tomasso Sr Lodge Order Sons

    EIN 550830367 · Headquarters: NEW BRITAIN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  47. Angels Cat Rescue Inc

    EIN 320284792 · Headquarters: Windsor Locks, CT, US · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  48. Angels Depot Resource Center

    EIN 942891340 · Headquarters: Coventry, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Angels Foundation

    EIN 061503719 · Headquarters: Northford, CT, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  50. Angels Over Ct

    EIN 934125542 · Headquarters: NEWINGTON, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Anglican Foundation of Rhode Island Inc

    EIN 562428376 · Headquarters: Niantic, CT, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  52. Anglican Singers

    EIN 061428521 · Headquarters: New London, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Animal Adoption Network Inc

    EIN 061531624 · Headquarters: Monroe, CT, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Animal Alliance Welfare League Inc

    EIN 061324222 · Headquarters: New Britain, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Animal Center Inc

    EIN 202098257 · Headquarters: Newtown, CT, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Animal Friends of Connecticut Inc

    EIN 061132973 · Headquarters: NEW BRITIAN, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Animal Outreach Society

    EIN 473410836 · Headquarters: Fairfield, CT, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Animal Rescue & K9 Charities Inc

    EIN 815344869 · Headquarters: BROOKFIELD, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Animal Rescue Center Inc

    EIN 461003134 · Headquarters: Westbrook, CT, US · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. Animal Rescue Flights

    EIN 800491284 · Headquarters: Greenwich, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Animal Rescue Foundation Inc

    EIN 237107868 · Headquarters: Terryville, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Animal Rescue Fund Inc

    EIN 061567702 · Headquarters: Waterford, CT, USA · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  63. Animal Rescue International Society Inc

    EIN 833303383 · Headquarters: NORWALK, CT, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Animal Rights Alliance Inc

    EIN 222882521 · Headquarters: Cos Cob, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Animal Rights Front Inc

    EIN 222571801 · Headquarters: Seymour, CT, US · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Animal Rights International

    EIN 133262608 · Headquarters: MIDDLEBURY, CT, USA · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  67. Animal Welfare and Rights Entity Inc

    EIN 061361926 · Headquarters: TOLLAND, CT, USA · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  68. Animal Welfare Federation of Connecticut Inc

    EIN 202526441 · Headquarters: Canterbury, CT, USA · Animal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  69. Animal Welfare League of New London

    EIN 066086758 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Animal Welfare Society Inc

    EIN 066084293 · Headquarters: NEW MILFORD, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Animals for Life Inc

    EIN 061461251 · Headquarters: NAUGATUCK, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Animals Help-line Inc

    EIN 061310564 · Headquarters: Bridgeport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Animals in Distress Inc

    EIN 066085591 · Headquarters: Wilton, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Animalsrfamily Inc

    EIN 454910864 · Headquarters: Stamford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Anita Ava House for Women Inc

    EIN 464814581 · Headquarters: Windsor, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Anita Howe-waxman Foundation Inc

    EIN 043255244 · Headquarters: LAKEVILLE, CT, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  77. Ankorz Up

    EIN 932340385 · Headquarters: Bridgeport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Ann T D'Addario Family Foundation Dated 9500

    EIN 316650736 · Headquarters: West Hartford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  79. Ann Vance Ansanm

    EIN 923018562 · Headquarters: BRIDGEPORT, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Anna Anderson Doering Memorial Scholarship Tr

    EIN 223214513 · Headquarters: Cromwell, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  81. Anna E Nolan Tuw Scholarship Fund

    EIN 066169905 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Anna Haven Llc

    EIN 464674030 · Headquarters: North Haven, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Anna Kobylarz Hope Foundation

    EIN 994791855 · Headquarters: New Britain, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Anna M Fulling Chaplaincy Fund

    EIN 066023883 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. Anna M Heywood Scholarship Foundation

    EIN 923589669 · Headquarters: BRIDGEWATER, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. Anna Reynolds Elementary School Parent Teacher Organization

    EIN 272661170 · Headquarters: NEWINGTON, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Annabellas Angels Inc

    EIN 813811402 · Headquarters: Waterbury, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  88. Annapurna Love Inc

    EIN 842649403 · Headquarters: waterbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Anne and Rollin Bates Foundation Inc C/o Stephen K Gellman

    EIN 831272154 · Headquarters: HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. Anne Bianchi Gundersen Foundation Charles Noble Trustee

    EIN 272035131 · Headquarters: NEW HAVEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Anne Capano Charitable Foundation for Giving Inc C/o Kenneth Capano Jr

    EIN 270227698 · Headquarters: NEW LONDON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Anne E Fowler Foundation Inc

    EIN 270662575 · Headquarters: North Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Anne Li Mcgraw & Charles Robert Mcgraw Family Foundation Inc

    EIN 814330868 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. Annhurst College Alumni Assn Inc

    EIN 061044239 · Headquarters: Putnam, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Annie C Courtney Foundation

    EIN 464114723 · Headquarters: WATERBURY, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Annie E Vinton Pto

    EIN 822523884 · Headquarters: Mansfield CTR, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. Annie Fisher Montessori Parent-teacher Organization Inc

    EIN 471225205 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. Annie Fisher-stem Magnet School Pto

    EIN 364684565 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Annie Mae Craft Foundation Inc

    EIN 882661803 · Headquarters: Windsor, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Annie West Ministries Inc

    EIN 260632306 · Headquarters: Danbury, CT, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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