Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Connecticut Animal Care & Control Officers Alliance Inc

    EIN 923085127 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Connecticut Antique Fire Apparatus Assoc Inc

    EIN 237295196 · Headquarters: EAST WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Connecticut Antique Machinery Association Inc

    EIN 061090238 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Connecticut Appraisal Education Foundation Inc

    EIN 061197293 · Headquarters: New Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Connecticut Architecture Foundation

    EIN 060986218 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Connecticut Art Directors Club Inc

    EIN 060932222 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Connecticut Asphalt & Aggregate Producers Association Inc

    EIN 066068537 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Connecticut Assisted Living Association

    EIN 061432143 · Headquarters: Old Lyme, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Connecticut Assn of Physicians of Indian Origin Inc

    EIN 061309460 · Headquarters: Unionville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Connecticut Assoc of Prof Financial Aid Adm

    EIN 060986627 · Headquarters: NEW LONDON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Connecticut Association for Community Action Inc

    EIN 060924931 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Connecticut Association for Healthcare at Home Inc

    EIN 060867238 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Connecticut Association for Human Services Inc

    EIN 060653158 · Headquarters: HARTFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Connecticut Association for Jungian Psychology Inc

    EIN 061050149 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Connecticut Association for the Education of Young Children Inc

    EIN 061156469 · Headquarters: Meriden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Connecticut Association for the Gifted Inc

    EIN 222682441 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. Connecticut Association of Assessing Officers Inc

    EIN 061317665 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Connecticut Association of Athletic Directors Inc

    EIN 061143881 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Connecticut Association of Community Pharmacies Inc

    EIN 061285166 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Connecticut Association of Future Farmers of America

    EIN 066103847 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Connecticut Association of Future Farmers of America Foundation Inc

    EIN 066068535 · Headquarters: DAYVILLE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Connecticut Association of Golf Course S

    EIN 060806903 · Headquarters: Redding Center, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Connecticut Association of Health Care Facilities Inc

    EIN 066070891 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Connecticut Association of Labor Unions Inc

    EIN 820821823 · Headquarters: SHELTON, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Connecticut Association of Land Surveyors Inc

    EIN 060909076 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Connecticut Association of Latin Americans in Higher Education Inc

    EIN 222562167 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Connecticut Association of Licensed Homes for the Aged Inc

    EIN 222774602 · Headquarters: Haddam, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Connecticut Association of Nurse Anesthetists

    EIN 237371207 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Connecticut Association of Optometrists Inc

    EIN 060874713 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Connecticut Association of Phillippine Physicians

    EIN 061225763 · Headquarters: Canton, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Connecticut Association of Realtors Inc

    EIN 060766926 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Connecticut Association of Theatre Owners Inc

    EIN 061391940 · Headquarters: BROOKLANDVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Connecticut Association of Wetland Scientists

    EIN 061497416 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Connecticut Athletic Trainers Association Inc

    EIN 222989065 · Headquarters: Washington Depot, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Connecticut Automobile Insurance Plan

    EIN 136194669 · Headquarters: JOHNSTON, RI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Connecticut Automotive Retailers Association Inc

    EIN 060302510 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Connecticut Ballet Inc

    EIN 061039302 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Connecticut Bankers Association

    EIN 060550070 · Headquarters: Farmington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Connecticut Bar Association Inc

    EIN 060635307 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Connecticut Bead Society

    EIN 061556696 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Connecticut Bee-keepers Association

    EIN 222558702 · Headquarters: WOODBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Connecticut Beer Wholesalers Association Inc

    EIN 060271338 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Connecticut Belair Club Inc

    EIN 520793083 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Connecticut Benefit Brokers Inc

    EIN 061361779 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Connecticut Broadcasters Association Inc

    EIN 066069238 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Connecticut Building Congress Inc

    EIN 060675684 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Connecticut Burns Care Foundation Inc

    EIN 061017365 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Connecticut Bus Association

    EIN 066048548 · Headquarters: Old Saybrook, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Connecticut Business and Industry Association Inc

    EIN 060439660 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Connecticut Campground Owners Assn

    EIN 061172551 · Headquarters: Waterbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Connecticut Cancer Foundation Inc

    EIN 061240574 · Headquarters: OLD SAYBROOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Connecticut Cannabis Chamber of Commerce

    EIN 874678012 · Headquarters: Rocky Hill, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Connecticut Carwash Association

    EIN 061065301 · Headquarters: HIGGANUM, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Connecticut Ccim Chapter Inc C/o New Haven Middlesex Asso of Realtor

    EIN 061243232 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Connecticut Chamber Choir Inc

    EIN 061073837 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Connecticut Chapter North American Rock Garden Society

    EIN 061767387 · Headquarters: Franklin, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Connecticut Chapter of the Aaidd Inc

    EIN 061193772 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  58. Connecticut Chapter of the Alpha De

    EIN 813572946 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  59. Connecticut Chapter of the American Chestnut Foundation Inc

    EIN 061360461 · Headquarters: Old Lyme, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Connecticut Chapter of the American Planning Associates

    EIN 222511702 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Connecticut Chapter of the American Society of Landscape Architects Inc

    EIN 222592807 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Connecticut Chapter of the Appraisal Institute

    EIN 066068923 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Connecticut Chapter of the International Association of Arson Investigators

    EIN 223007527 · Headquarters: Vernon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Connecticut Chapter Piano Technicians Guild Inc

    EIN 223060066 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Connecticut Chiropractic Physicians Association Incorporated

    EIN 237033112 · Headquarters: Portland, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Connecticut Christmas Tree Growers Association Incorporated

    EIN 237003073 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Connecticut Citizen Action Group Inc

    EIN 060872695 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Connecticut Citizens Defense League Inc

    EIN 800420189 · Headquarters: Southbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Connecticut Civil War Round Table Inc

    EIN 453536887 · Headquarters: TORRINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Connecticut Classic Chevy

    EIN 061409752 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Connecticut Coalition for Achievement Advocacy Inc

    EIN 830417690 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  72. Connecticut Coalition of Property Owners Inc

    EIN 060876196 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Connecticut Coalition of Taft-hartley Health Funds Inc

    EIN 223176650 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Connecticut College of Emergency Physicians Inc

    EIN 237147398 · Headquarters: North Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Connecticut Communities Coalition Inc

    EIN 550889740 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  76. Connecticut Community Bankers Association

    EIN 223050651 · Headquarters: Glastonbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Connecticut Community Television

    EIN 223028338 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  78. Connecticut Concert Ballet Inc

    EIN 222621940 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Connecticut Conference of Independent Colleges

    EIN 060841386 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Connecticut Conservation Officers Association Inc

    EIN 061314250 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Connecticut Convention and Sports Bureau Inc

    EIN 060913792 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Connecticut Coordinating Committee

    EIN 061043714 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Connecticut Corner Coalition

    EIN 464303298 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  84. Connecticut Council 4 Afscme Building Co

    EIN 061257529 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Connecticut Council for Humane

    EIN 510188130 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Connecticut Council of Administrators of Special Education

    EIN 223018116 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Connecticut Council of Car Clubs Inc

    EIN 844869795 · Headquarters: East Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Connecticut Council of the Blind

    EIN 061538947 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Connecticut Council of Trout Unlimited

    EIN 510208498 · Headquarters: NORWALK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Connecticut Counseling Association

    EIN 223382430 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Connecticut Counseling Centers Inc

    EIN 222515051 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Connecticut Criminal Defense Lawyers Association

    EIN 061251962 · Headquarters: Waterbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Connecticut Dairy Industry Council Inc

    EIN 273519838 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  94. Connecticut Dance Theatre Inc

    EIN 061290527 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Connecticut Daughters of the American Revolution

    EIN 066043316 · Headquarters: Windsor, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Connecticut Demolay Foundation Inc

    EIN 061315916 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Connecticut Dental Laboratory Association Inc

    EIN 900616426 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  98. Connecticut Developmental Disabilities Nurses Association In

    EIN 852554874 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Connecticut District Export Council

    EIN 237073778 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Connecticut Education Association

    EIN 060767730 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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