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. The Ae Family Foundation

    EIN 133317246 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. The Albano Ballet Company of America Inc

    EIN 237335889 · Headquarters: HARTFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. The Alcohol and Drug Awareness Program of Weston Inc

    EIN 222484589 · Headquarters: Weston, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. The Alopeace Project Corp

    EIN 870853273 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. The Altum Fund

    EIN 991522072 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. The American Academy of Psychodynamic Psychiatry and Psychoanalysis

    EIN 131854603 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. The American Legion

    EIN 301437773 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. The American Legion Post 12

    EIN 060843098 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. The Amistad Center for Art & Culture Inc

    EIN 222849122 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. The Amity Charitable Trust Fund

    EIN 066070867 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. The Amity Club Incorporated

    EIN 066070895 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. The Ancient Accepted Scottish Rite of Hartford Inc

    EIN 066047605 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. The Andreo-Kells Family Foundation Inc

    EIN 813112880 · Headquarters: East Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  14. The Anguilla Foundation Inc

    EIN 822781157 · Headquarters: Bolton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. The Anthony Trust Association

    EIN 060245162 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. The Antonacci Family Foundation for Charitable Giving Inc

    EIN 061414354 · Headquarters: ENFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. The Arc Eastern Connecticut Inc

    EIN 066010477 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. The Arc of Connecticut Inc

    EIN 060735882 · Headquarters: CANTON CENTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. The Arc of Southington Inc

    EIN 060983817 · Headquarters: PLANTSVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. The Army & Navy Club Inc

    EIN 060246500 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. The Arts at Bissells End Inc

    EIN 392408984 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. The Astronomical Society of Greater Hartford

    EIN 060957015 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. The Auerbach Schiro Foundation

    EIN 133692236 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. The Bailiwick Club Inc

    EIN 060879602 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. The Bannow Larson Foundation Inc

    EIN 066084233 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. The Barden Foundation Inc

    EIN 066054855 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. The Barnes Foundation Inc C/o Timothy O'connor

    EIN 066037160 · Headquarters: MARION, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. The Bauer Family Foundation Inc

    EIN 581861919 · Headquarters: New Canaan, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. The Bauer Foundation C/o Shipman & Goodwin

    EIN 066032985 · Headquarters: LAKEVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. The Bears of Manchester Llc

    EIN 113769896 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  31. The Becker Family Trust

    EIN 066428921 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. The Belle Haven Club Inc

    EIN 060255690 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. The Bench Warmers Inc

    EIN 222743929 · Headquarters: Durham, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. The Betty Knox Foundation Inc

    EIN 066083770 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. The Bill Library Association Inc

    EIN 066041059 · Headquarters: Ledyard, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. The Birchwood Country Club Incorporated

    EIN 060614265 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The Bonfire Foundation

    EIN 134039331 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. The Booth & Dimock Memorial Library Inc

    EIN 066041316 · Headquarters: COVENTRY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The Bradford Manor Hose Company Incorporated

    EIN 222542476 · Headquarters: EAST HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. The Branford Gun Club

    EIN 066070897 · Headquarters: BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. The Bridge Family Center Inc

    EIN 237013563 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. The Bridgeport Firemen's Sick and Death Benefit Association Inc

    EIN 060794308 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. The Brooklawn Country Club Incorporated

    EIN 060274870 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. The Buckingham Cemetery Association Incorporated

    EIN 066046560 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. The Cameron Kravitt Foundation

    EIN 363340566 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The Campaign School Inc

    EIN 223275455 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. The Card Home for the Aged Inc

    EIN 060653041 · Headquarters: WILLIMANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. The Caring Community of Connecticut

    EIN 222583035 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. The Carla and Stephen Schwartz Family Foundation Inc

    EIN 223148993 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. The Center For Empowerment And Education Inc

    EIN 060983819 · Headquarters: Danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. The Chamber of Commerce of Greater Waterbury Connecticut Inc

    EIN 060289787 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. The Charles & Ellen Cogut Family Foundation Inc

    EIN 113294488 · Headquarters: SOUTH KENT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. The Charles M and Esther Zell Foundation Inc

    EIN 222481402 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. The Charlotte Johnson Hollfelder Foundation Inc

    EIN 061449568 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. The Cheshire Academy

    EIN 060662113 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. The Children's Center of New Milford Inc

    EIN 237137832 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. The Children's Community Development Center Incorporated

    EIN 061030028 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. The Children's Preschool Inc

    EIN 060872694 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. The Chilton Foundation

    EIN 137077903 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. The Church of God and Saints of Christ Incorporated

    EIN 061129297 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. The Cindy and John Sites Charitable Foundation

    EIN 133802846 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. The Clinton Roberts Foundation Inc

    EIN 222867088 · Headquarters: BRISTOL, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  63. The Cobb School Montessori Inc

    EIN 060964699 · Headquarters: Simsbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The Collinsville Masonic Building Association Incorporated

    EIN 237331435 · Headquarters: Collinsville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. The Colt Trust Inc

    EIN 061464434 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. The Common Sense Fund Inc

    EIN 133157570 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. The Community Nursery School Inc

    EIN 060709287 · Headquarters: Guilford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The Company of Fifers and Drummers Inc

    EIN 237003258 · Headquarters: IVORYTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. The Conference of Churches Inc

    EIN 060693695 · Headquarters: hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The Connecticut Association of Street and Highway Officals Inc

    EIN 061021885 · Headquarters: MIDDELTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Connecticut Council for Non-adv

    EIN 201646759 · Headquarters: SOUTHBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. The Connecticut Council for Occupational Safety and Health Inc

    EIN 222509525 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. The Connecticut Economic Resource Center Inc

    EIN 061369657 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. The Connecticut Environmental Health Association Inc

    EIN 237337663 · Headquarters: SOUTHINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. The Connecticut Firemen's Historical Society Inc

    EIN 237099755 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The Connecticut Forum Inc

    EIN 061343149 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. The Connecticut Golf Club Incorporated

    EIN 060842905 · Headquarters: EASTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. The Connecticut Interscholatic Ski League LTD

    EIN 061462570 · Headquarters: Monroe, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. The Connecticut Poultry Association Incorporated C/o Robert Feldman

    EIN 060948323 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. The Connecticut Project Action Fund Inc

    EIN 883389005 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The Connecticut Unit of the Herb Society of America

    EIN 068932771 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. The Connecticut Valley Local Sectio of the American Chemical Society

    EIN 042320822 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. The Connection Fund Inc

    EIN 110017051 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. The Cory and Bob Donnalley Charitable Foundation Inc

    EIN 061074091 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. The Country Club of Darien Inc

    EIN 061177061 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. The Country Club of Fairfield

    EIN 060309230 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. The Country Club of New Canaan

    EIN 060309270 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. The County Assemblies Inc

    EIN 066070004 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. The Crestfields Foundation

    EIN 881471406 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. The Crew Family Foundation Inc

    EIN 061191170 · Headquarters: PLAINVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  91. The Crichton Foundation Inc

    EIN 453653494 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. The Curtis Home

    EIN 060692375 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  93. The Daniel K Roberts and Betty Roberts Family Foundation Inc

    EIN 061286111 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  94. The Daniell Family Foundation Inc C/o Sandra Dane

    EIN 061356015 · Headquarters: BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. The Daphne Seybolt Culpeper Memorial Foundation Inc

    EIN 222478755 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. The Dave Hokin Foundation

    EIN 366079161 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. The David & Marguerite Reisfeld Foundation Inc

    EIN 222192164 · Headquarters: COS COB, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. The David and Dorothy Carpenter Charitable Trust

    EIN 236951577 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. The Davis Family Fund Inc

    EIN 136160952 · Headquarters: Madison, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. The Day Care Center of New Canaan Inc

    EIN 237180153 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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