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. Greater Hartford Automobile Dealers Association Foundation Inc

    EIN 061201236 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Greater Hartford Chamber of Commerce Foundation

    EIN 237366606 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Greater Hartford Chapter of Boma International

    EIN 061083409 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Greater Hartford Consortium for Higher Education

    EIN 237288868 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Greater Hartford Legal Aid Attorneys Union

    EIN 475098258 · Headquarters: HARTFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  6. Greater Hartford Legal Aid Foundation

    EIN 223240216 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Greater Hartford Ridesharing Corp

    EIN 061018976 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Greater Litchfield Preservation Trust Inc

    EIN 510167611 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Greater Manchester Chamber of Commerce Inc

    EIN 060438630 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Greater Middletown Chorale C/o Walter Ryan Treasurer

    EIN 061038816 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Greater New Haven Coalition for People Inc

    EIN 222535462 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Greater New Haven Labor History Association Inc

    EIN 223180567 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Greater New Haven Water Polo Club

    EIN 471115604 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Greater Southington Chamber of Commerce Inc

    EIN 060729248 · Headquarters: SOUTHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Greater Waterbury Campership Fund Inc

    EIN 237014648 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Greater Waterbury YMCA

    EIN 060646988 · Headquarters: Waterbury, CT, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Greek Orthodox Faithful Foundation

    EIN 934439806 · Headquarters: Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  18. Green Cemetery Association Inc

    EIN 060757095 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. Greenaway Foundation

    EIN 136160948 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. Greenfield Hill Village Improvement Society

    EIN 066054345 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Greens Farms School Pta C/o Taryn Allen

    EIN 061549036 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Greenwich Association of Realtors Inc

    EIN 060699086 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Greenwich Basketball Association Inc

    EIN 061390590 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Greenwich Boat & Yacht Club Inc

    EIN 237334077 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Greenwich Cardinals Youth Hockey Associa

    EIN 222659549 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Greenwich Chamber of Commerce Inc

    EIN 060289770 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Greenwich Chaplaincy Services Inc

    EIN 066104975 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Greenwich Community Projects Fund Inc

    EIN 223092506 · Headquarters: COS COB, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Greenwich Country Club

    EIN 060374900 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Greenwich Education Association

    EIN 060867892 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Greenwich Emergency Medical Service Inc

    EIN 222721171 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Greenwich Fire Fighters Association Local 1042

    EIN 066063265 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Greenwich High School Student Loan Fund Inc

    EIN 066071060 · Headquarters: OLD GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Greenwich Horseneck Club Inc

    EIN 061341763 · Headquarters: COS COB, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Greenwich Newcomers & Neighbors Inc

    EIN 061390430 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Greenwich Performing Arts Studio Inc

    EIN 934586693 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  37. Greenwich Retirees Eating & Tarrying Society

    EIN 061215236 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Greenwich Riding & Trails Association Inc

    EIN 060762558 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Greenwich Skating Club Inc

    EIN 060703613 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Greenwich Soccer Association

    EIN 222610893 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  41. Greenwoods Scholarship Foundation

    EIN 060979169 · Headquarters: Winsted, Connecticut, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Greyhound Pets of America Connecticut Greyhound Adoption

    EIN 202307522 · Headquarters: NORTH BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Griff 4 Congress

    EIN 874754243 · Headquarters: TORRINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Griffin Healthcare Inc

    EIN 222560248 · Headquarters: Derby, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Griffin Hospital Development Fund Inc

    EIN 222560254 · Headquarters: DERBY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  46. Griffis Art Center Inc

    EIN 061281243 · Headquarters: NEW LONDON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Griswold Ar-mer Hosp

    EIN 066035757 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Griswold Historical Society

    EIN 237357946 · Headquarters: JEWETT CITY, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Groton Community Farm Inc

    EIN 870914730 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Groton Lodge of Elks 2163

    EIN 060758959 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Groton Long Point Volunteer Fire Company Inc

    EIN 066044342 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Groton Long Point Yacht Club

    EIN 060912247 · Headquarters: Groton Long Point, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Groton Rotary Community Awards Inc

    EIN 061045618 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Groton Scholarship Fund Inc

    EIN 066046683 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. Groton Schools Custodial & Maintenance Association

    EIN 273961269 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Groton Sportsmen's Club Inc

    EIN 066048922 · Headquarters: Stonington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Grove Cemetery Association of Naugatuck

    EIN 060376710 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Grow and Life with Love Christian Ministry Inc

    EIN 352504676 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  59. Growpac Ct Inc

    EIN 821195632 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Guardianship and Advocacy Resource Program Inc

    EIN 222546012 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  61. Guildford High School Theater Arts Parents Support Group

    EIN 061328842 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Guilford Agricultural Society Inc Guilford Agricultural Society Inc

    EIN 060913331 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  63. Guilford Community Television

    EIN 061349846 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  64. Guilford Free Public Library Asso Inc

    EIN 066034298 · Headquarters: Guilford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Guilford High School Project Graduation 2014

    EIN 464808326 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Guilford Interfaith Ministries Inc Dba Guilford Interfaith Volunteers

    EIN 061139541 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Guilford Police Union Local #356 Afscme Afl-cio

    EIN 061307522 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Guilford Sportsmen's Association Inc

    EIN 060851933 · Headquarters: NORTH BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Guilford Taekwon-do

    EIN 464757364 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Guilford Temple Association Inc

    EIN 237368198 · Headquarters: GUILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Guilford Yacht Club Association Inc

    EIN 066049176 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Guilford Youth Basketball League

    EIN 061181763 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Gunn Memorial Library Inc

    EIN 060691373 · Headquarters: WASHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Gunnar Johnson Ogden Fund Inc

    EIN 061167702 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Gwendolen Orton-jones Trust Under Will

    EIN 066389217 · Headquarters: ESSEX, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Gwenlin Animal Relief Program

    EIN 871558415 · Headquarters: ANDOVER, CT, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  77. Gws Inc

    EIN 061297313 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. H a Vance Foundation Inc C/o Conifer Investments Ltd

    EIN 061355463 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. H H Ellis Tech Booster Club Parent Faculty Organization

    EIN 061221420 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Habitat for Humanity of Greater Waterbury

    EIN 061496952 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Habitat for Humanity of N West Ct

    EIN 061316993 · Headquarters: SALISBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Hacd Corporation

    EIN 061318124 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Hadassah the Womens Zionist Organization of America

    EIN 061259353 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. Hadassah the Womens Zionist Organization of America

    EIN 237182443 · Headquarters: fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  85. Haddam Elderly Housing Corporation

    EIN 061065551 · Headquarters: TOLLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Haddam Killingworth Hall of Fame

    EIN 834574974 · Headquarters: Higganum, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Haddam Neck Cemetery Association

    EIN 066063718 · Headquarters: Haddam Neck, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Haddam Veterans Museum

    EIN 472694666 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Haddam Volunteer Ambulance Assoc

    EIN 060960697 · Headquarters: Higganum, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Hagerty Denis M

    EIN 066035758 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Hahlawah Sporting Club Inc

    EIN 843489487 · Headquarters: New Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. HAI Group

    EIN 222935104 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Haitian Community Center of Greater New Haven Inc

    EIN 413984368 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Hale Foundation Inc C/o Donald L Perlroth & Co Cpas

    EIN 060729320 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Half Moon Foundation

    EIN 363715158 · Headquarters: New Canaan, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Halloween Yacht Club Inc

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

  97. Hamburg Cove Yacht Club

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

  98. Hamden Assoc of School Administrators

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

  99. Hamden Chamber of Commerce Incorporated

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

  100. Hamden Fathers' Baseballsoftball Association

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

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