Unknown & Unclassified nonprofits in Connecticut

Unknown & Unclassified nonprofits in Connecticut. Browse 7,402 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. Heavy Hitters USA Inc

    EIN 571215069 · Headquarters: WATERFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Hebrew Health Care Foundation Inc

    EIN 061310204 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  3. Hebron Historical Society Inc

    EIN 060953328 · Headquarters: HEBRON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Hebron Interfaith Human Services Inc

    EIN 223004882 · Headquarters: Hebron, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Hebron Lions Club Inc

    EIN 237113136 · Headquarters: Hebron, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Hebron Public Schools Pta Inc

    EIN 061381685 · Headquarters: HEBRON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Helen M Daghlian Trust Daghlian

    EIN 816536444 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. Helen S Donaldson Charitable Remainder Unitrust

    EIN 066471443 · Headquarters: Winsted, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Helpers Club Scholarship Foundation Inc

    EIN 061301186 · Headquarters: OXFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Henry & Rosa Segal Foundation Inc

    EIN 136163177 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Henry E & Nancy H Bartels Trust Fbo Cornell University

    EIN 222774533 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Henry E Niles Foundation Inc C/o Ashley Garan

    EIN 061252486 · Headquarters: SOUTHBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Henry H Peck Trust

    EIN 066035792 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Henry James Memorial School Parent Teacher Council

    EIN 273499250 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Henry Unger Family Foundation Inc

    EIN 061457223 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. Herbert F Dawley Trust Uad 9-23-1929

    EIN 066031235 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Hercules Parandes Testamentary Trust

    EIN 996232104 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  18. Heritage Singers

    EIN 237388631 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Heritage Village Foundation Inc

    EIN 237427884 · Headquarters: SOUTHBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Heritage Village Library

    EIN 237381190 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Heritage Village Memorial American Leagion Unit 204

    EIN 812579989 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Heritage Village River Garden Club

    EIN 066184094 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. Hexcel Foundation

    EIN 942972860 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Hicks Elizabeth Trust Uw Art 22 42315000240

    EIN 066172599 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. Hicks School Trust A

    EIN 066035760 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Higganum Cemetery Association Inc

    EIN 066045240 · Headquarters: Higganum, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. High Hopes Therapeutic Riding Inc

    EIN 060987749 · Headquarters: OLD LYME, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. High Rock Sportsmen Assoc Inc

    EIN 061307505 · Headquarters: NORTHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. High Watch Recovery Center Inc

    EIN 060674970 · Headquarters: KENT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Highland Employees Assoc

    EIN 510190742 · Headquarters: waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Highland Golf Club of Shelton Inc

    EIN 060389720 · Headquarters: SHELTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Highstead Foundation Inc

    EIN 061108612 · Headquarters: REDDING, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Hillside Cemetery Association

    EIN 060390328 · Headquarters: TORRINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Hillside Game Club Inc

    EIN 843049841 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Hilltop Foundation Inc

    EIN 133345688 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  36. Hispanic American Cultural Council Inc

    EIN 061027369 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Hispanic Coalition of Greater Waterbury

    EIN 061349937 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Hispanic Health Council Properties Inc

    EIN 061527685 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Historic Rowayton

    EIN 066105257 · Headquarters: Rowayton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Historical Society of East Hartford Incorporated

    EIN 237079151 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Historical Society of Easton Inc

    EIN 060850150 · Headquarters: Easton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Hitchcock Lake Improvement Association Inc

    EIN 510197307 · Headquarters: WOLCOTT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Holistic Reserves International Inc

    EIN 873857571 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Hollander Foundation

    EIN 222952194 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Holstein Foundation

    EIN 237012134 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Holy Name Athletic Club of Stamford Inc

    EIN 060392829 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Home Builders & Remodelers Assoc of Connecticut Inc

    EIN 060803244 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Home Builders & Remodelers Association of Central Connecticut

    EIN 060661571 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Home Care Plus Inc

    EIN 061044331 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  50. Home Development Inc C/o Home Inc

    EIN 222874259 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Home Management Inc

    EIN 222873560 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Homebuilders & Remodelers Association of Fairfield County Inc

    EIN 060709010 · Headquarters: Fairfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Homegrown National Park Inc

    EIN 861228991 · Headquarters: SHARON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Homes with Hope

    EIN 222534326 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Honor Society of Phi Kappa Phi

    EIN 621784008 · Headquarters: STORRS, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Hop Brook Tennis Club Inc

    EIN 066099130 · Headquarters: West Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Hop Meadow Country Club Inc

    EIN 060766860 · Headquarters: SIMSBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Hop River Chamber Music Incororated

    EIN 222475009 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Hope and Healing Homes Inc

    EIN 823556400 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Hope for Life Inc

    EIN 061207213 · Headquarters: Cheshire, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Hope in Harmony Inc

    EIN 473952695 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. HOPE Inc

    EIN 061269812 · Headquarters: New London, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Hopeline Women's Center Inc

    EIN 061336310 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Hopkins Mariner Swim Team LLC

    EIN 264670182 · Headquarters: Clinton, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  65. Horace Bushnell Congregate Homes Inc C/o Better Quality Management

    EIN 061020159 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Horace Bushnell Management Resources Inc

    EIN 061137687 · Headquarters: hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  67. Horace Staples Trust

    EIN 066039258 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Horace Wells Trust Fund

    EIN 066037032 · Headquarters: SIMSBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Horse Council of Granby Inc

    EIN 061033611 · Headquarters: GRANBY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Horton Family Foundation Inc

    EIN 222859557 · Headquarters: BROOKFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  71. Hotchkiss Library of Sharon Inc

    EIN 060655489 · Headquarters: SHARON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Housatonic Cairn Terrier Club

    EIN 061250016 · Headquarters: Bloomfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Housatonic Fly Fishing Association Inc

    EIN 334240065 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Housatonic Habitat for Humanity

    EIN 061326389 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Housatonic Industrial Development Corp

    EIN 237061237 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Housatonic Valley Waldorf School Association

    EIN 061310057 · Headquarters: Newtown, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. House of Bread Inc

    EIN 061073478 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. House of Heroes Connecticut Chapter Inc

    EIN 454794687 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. House of Jacob Church Inc

    EIN 237008037 · Headquarters: West Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  80. House of Restoration and Deliverance Ministries

    EIN 863032986 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  81. Howard & Bess Chapman Charitable Corp C/o Nbt Financial Group

    EIN 161373396 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Howard Garfinkel Foundation

    EIN 812949729 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  83. Howard Whittemore Memorial Library

    EIN 060646963 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Hoyt Foundation C/o Marshall M Green

    EIN 137125483 · Headquarters: RIDGEFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Hr Properties Inc

    EIN 061341463 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Hubbard He-oes

    EIN 066035769 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Hubbard School Parent Teacher Org Hubbard Elementary School

    EIN 061248392 · Headquarters: Berlin, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Hubbard W-curt Mem

    EIN 066035770 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Hubbard W-first Cong

    EIN 066035771 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Hubbard W-hubb Park

    EIN 066035772 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Hubbard W-mer Hosp

    EIN 066035774 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Hubbard W-no Cong Ch

    EIN 066035775 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Hubbard W-poor Mer

    EIN 066035776 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Hubbard W-poor Midd

    EIN 066035777 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Hudson Valley Allegros

    EIN 923201246 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Hudson Valley Association of Occupational Health Nurses

    EIN 133198939 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  97. Humanidad Inc

    EIN 061083425 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Hungarian-american Club of Danbury Inc

    EIN 510187513 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Hunter Men's Club Inc

    EIN 061098851 · Headquarters: MERIDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Hurl Butt Street School House Inc

    EIN 237029063 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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