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. Halfway Home Rescue Inc

    EIN 201912291 · Headquarters: Woodbridge, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Hall Commons Inc

    EIN 061618093 · Headquarters: BRIDGEPORT, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Hall High Band Boosters

    EIN 824407112 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Hall High Parent-teacher Organization Inc

    EIN 061531299 · Headquarters: West Hartford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Hall Neighborhood House Inc

    EIN 060676851 · Headquarters: BRIDGEPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Hall-Brooke Behavioral Health Services Inc

    EIN 060813283 · Headquarters: Westport, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990

  7. Hallel Project Incorporated

    EIN 331955276 · Headquarters: Manchester, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Hallisey & Dagostino Llp Employees Beneficiary Association

    EIN 061084389 · Headquarters: WETHERSFIELD, CT, USA · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  9. Halloween Yacht Club Inc

    EIN 060379430 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Halos in Healthcare

    EIN 850865258 · Headquarters: New Fairfield, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Halvorsen Family Foundation C/o Ole Andreas Halvorsen Trustee

    EIN 061603158 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Hamburg Cove Yacht Club

    EIN 060970113 · Headquarters: OLD LYME, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Hamdard Foundation Inc

    EIN 920312365 · Headquarters: WETHERSFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Hamden Art League Inc

    EIN 881182570 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Hamden Assoc of School Administrators

    EIN 465754694 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Hamden Black History Committee

    EIN 352781621 · Headquarters: HAMDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Hamden Bocce Club Inc

    EIN 061407835 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Hamden Chamber of Commerce Incorporated

    EIN 060757909 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Hamden Community Playground Inc

    EIN 061403981 · Headquarters: Hamden, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Hamden Economic Development Corporation

    EIN 510495250 · Headquarters: HAMDEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Hamden Education Foundation Inc

    EIN 300066472 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Hamden Fathers' Baseballsoftball Association

    EIN 066069249 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Hamden Figure Skating Association Inc

    EIN 237332784 · Headquarters: WALLINGFORD, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Hamden Fire Retirees Association Inc

    EIN 461590715 · Headquarters: Hamden, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Hamden Fish & Game Protective Association Inc

    EIN 066051304 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Hamden Gridiron Booster Association

    EIN 061594469 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Hamden Hall School Inc

    EIN 060662137 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Hamden High School Music Parents Organization Inc

    EIN 832374270 · Headquarters: HAMDEN, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Hamden High School Track and Field Booster Club

    EIN 394488850 · Headquarters: Hamen, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Hamden Historical Society Inc

    EIN 066069250 · Headquarters: HAMDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Hamden Homicide Memorial Botanical Garden of Healing

    EIN 922510293 · Headquarters: Hamden, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Hamden Land Conservation Trust Inc

    EIN 237153459 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Hamden Lodge #2224 of the BPOE

    EIN 060776113 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Hamden Police Benevolent Association Inc

    EIN 222516120 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Hamden Professional Firefighters Local 2687

    EIN 061021428 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Hamden Regional Youth Basketball League Inc

    EIN 204035617 · Headquarters: North Haven, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Hamden Rovers Incorporated

    EIN 834131187 · Headquarters: Hamden, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Hamden Senior Wish Society

    EIN 432035683 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Hamden Soccer Association

    EIN 204758484 · Headquarters: HAMDEN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Hamden Volunteer Firefighters Fire Works Committee Inc

    EIN 510442912 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Hamden Womans Inc Gfwc

    EIN 300690224 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Hamden Youth Connections Inc

    EIN 862519064 · Headquarters: HAMDEN, CT, USA · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  43. Hamden Youth Hockey Association Inc

    EIN 237027197 · Headquarters: NORTH HAVEN, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Hamden Youth Lacrosse Inc

    EIN 201811243 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Hamid Foundation Inc

    EIN 222580013 · Headquarters: Tolland, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Hamilton Ave School Parent Teacher Assoc

    EIN 060994139 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Hamilton Council No 9 Royal and Select Masters of Connecticut

    EIN 237123382 · Headquarters: Meriden, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Hamilton Rare Breeds Foundationinc C/o Palsa Palsa Llc

    EIN 061497283 · Headquarters: SOUTHPORT, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  49. Hamm Family Foundation Inc

    EIN 203963109 · Headquarters: ESSEX, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. Hammer and Heroes Inc

    EIN 844737718 · Headquarters: WOODBURY, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Hammers and Hearts Inc

    EIN 823808064 · Headquarters: Cos Cob, CT, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. Hammonassett Fishing Association

    EIN 060380120 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Hampstead Hill Club

    EIN 060621061 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Hampton Antiquarian and Historical Society Inc

    EIN 237003270 · Headquarters: Hampton, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Hampton Cemetery Assoc

    EIN 060740493 · Headquarters: Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Hampton Foundation Inc

    EIN 853835422 · Headquarters: DANBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Hampton Gazette

    EIN 060987479 · Headquarters: Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Hampton-Chaplin Ambulance Corps Inc

    EIN 061367147 · Headquarters: Hampton, CT, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  59. Hamr Softball Inc

    EIN 822596219 · Headquarters: Hebron, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Hanau Family Foundation

    EIN 207179376 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. Hand by Hand Education Foundation

    EIN 680641184 · Headquarters: Mansfield Center, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Hand Girls Hockey Booster Club

    EIN 814465534 · Headquarters: Madison, CT, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Hand Help

    EIN 273940034 · Headquarters: Guilford, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Hand to Hand Direct Care Ministry Inc

    EIN 371568841 · Headquarters: Bristol, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Hand to Hand for Haiti

    EIN 061251435 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Hand Tools Institute Inc

    EIN 136158829 · Headquarters: Fairfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Hands Helping Paws Project Inc

    EIN 331441395 · Headquarters: Ashford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Hands of Hope Outreach Ministries Inc

    EIN 862479789 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Hands Offering Hope Foundation Inc

    EIN 453798076 · Headquarters: TRUMBULL, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Hands on Hartford Inc

    EIN 060861268 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Hands to Haiti

    EIN 812485331 · Headquarters: Stamford, CT, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. Hands Up Global Foundation Inc

    EIN 872970445 · Headquarters: GROTON, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Hands-on-food Inc C/o Lauren Groveman

    EIN 134163867 · Headquarters: WESTON, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  74. Handweavers Guild of Connecticut Inc

    EIN 061008553 · Headquarters: Tolland, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Handy Dandy Handyman Co

    EIN 320092917 · Headquarters: Brookfield, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Handz-on Inc

    EIN 020648086 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. Hang Your Hat Foundation

    EIN 061602834 · Headquarters: WESTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  78. Hanmer Pto

    EIN 475632960 · Headquarters: Wethersfield, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Hannah Gray Development Corporation Dba Ella B Scantlebury

    EIN 223011882 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Hannah Gray Home Inc

    EIN 060709291 · Headquarters: New Haven, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Hannah Storm Foundation Inc C/o Vincent Andrews Management Corp

    EIN 262193616 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Hanover School Parent Teacher Organization

    EIN 222599420 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Hanover Supportive Housing Program Inc

    EIN 934061415 · Headquarters: waterbury, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Hanoverian Foundation Inc

    EIN 061575480 · Headquarters: Redding, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Hans Christian Andersen Montessori School

    EIN 060855974 · Headquarters: Bolton, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Hansel Foundation

    EIN 320475339 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  87. Happily Furever After Rescue Inc

    EIN 852683135 · Headquarters: Bethel, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Happy Birthday Foundation

    EIN 462726650 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  89. Happy Code Club Inc

    EIN 830675028 · Headquarters: STAMFORD, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  90. Happy Family Community Services Inc

    EIN 320437568 · Headquarters: New Haven, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  91. Happy Hearts Indonesia Inc

    EIN 872082733 · Headquarters: Weston, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Happy Helping Hands

    EIN 994613698 · Headquarters: Trumbull, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Happy People Foundation

    EIN 852699593 · Headquarters: SEYMOUR, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Har-bur Parent-teacher Organization

    EIN 842341363 · Headquarters: Burlington, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Harambee Center Inc

    EIN 061470450 · Headquarters: DANBURY, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Harbor House of Litchfield County Inc

    EIN 334134347 · Headquarters: Torrington, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Harbor Light Foundation Inc

    EIN 262296614 · Headquarters: FAIRFIELD, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Harbor Shalom Inc

    EIN 451220205 · Headquarters: New Britain, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Harbor Valley Yacht Club Inc Commodore/board of Governors

    EIN 263841041 · Headquarters: SHELTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Harborside Middle School Parent-tea Cher Organization Inc

    EIN 273799207 · Headquarters: Milford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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