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. 009 Northwestern Connecticut Chapter of Trout Unlimited

    EIN 061519154 · Headquarters: BARKHAMSTED, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. 0189 Valley Shore Acappella Chapter

    EIN 060971123 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. 101 Association Inc

    EIN 222553725 · Headquarters: TORRINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. 103 Ang Consolidated Mess Inc

    EIN 274654844 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. 12 Metre Yacht Development Foundation

    EIN 066409216 · Headquarters: Southport, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. 12 West Main Street Trustees

    EIN 066263169 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. 129 Farmington Valley Chapter of Trout Unlimited

    EIN 510208504 · Headquarters: BRISTOL, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. 1746 Machinist Club

    EIN 060733684 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. 1777 Wooster-sons of Liberty Foundation

    EIN 815160937 · Headquarters: RIDGEFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  10. 1974 Wihs 50 Reunion Inc

    EIN 933128451 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. 20Th Century Trends Institute Inc

    EIN 066098560 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. 217 Nutmeg Chapter of Trout Unlimited

    EIN 237290732 · Headquarters: FAIRFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. 233 Allen Street Inc

    EIN 061290964 · Headquarters: HARTFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. 281 Naugatuck-pomperaug Chapter of Trout Unlimited

    EIN 521491972 · Headquarters: MIDDLEBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. 282 Thames Valley Chapter of Trout Unlimited

    EIN 510208513 · Headquarters: COLUMBIA, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. 28675834 Litmindtree Megaminds

    EIN 933095289 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. 28677928 Gamma Gabbers

    EIN 333658842 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. 28677955 Hartford Healthcare Hartfo Rd Region Club

    EIN 394898872 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. 28678052 Subway North Hub

    EIN 392660716 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. 28678242 Trinet Toastmasters Club

    EIN 393199533 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. 290 Post Road West Corp

    EIN 061318049 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. 309 Candlewood Valley Chapter of Trout Unlimited

    EIN 061496855 · Headquarters: HAWLEYVILLE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. 35 High Street House Corporation

    EIN 061448927 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. 364 Putnam Avenue Inc

    EIN 061344206 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. 399 Vfw-conn Veterans of Foreign Wars Inc

    EIN 066146182 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. 42 Realty Corporation Local 42 Realty

    EIN 060925440 · Headquarters: EAST WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. 439 Defenders Association

    EIN 392592874 · Headquarters: Windsor Locks, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. 43Rd Infantry Division Veterans Association

    EIN 222719190 · Headquarters: Berlin, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. 44 Club Scholarship Fund Inc

    EIN 237008057 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. 446 Hammonasset Chapter of Trout Unlimited

    EIN 521492102 · Headquarters: GUILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. 6-Love Incorporated

    EIN 850501316 · Headquarters: Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. 70 Audubon Street Association Inc

    EIN 061310816 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. 8 Ward Political Club

    EIN 060670688 · Headquarters: New Britain, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. 958 Corp

    EIN 060890861 · Headquarters: Niantic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. A Better Chance in Darien Inc

    EIN 061030004 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. A Better Chance in Ridgefield Inc

    EIN 061156849 · Headquarters: Ridgefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. A Better Choice Women's Center Inc

    EIN 222990656 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. A Better Community Matters Inc

    EIN 822997577 · Headquarters: ANSONIA, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. A Better Connecticut Inc

    EIN 462357487 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  40. A Bridge 2 Cross Inc Abc2c

    EIN 824646012 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  41. A Knew

    EIN 871177194 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. A Rabies-free World Incorporated

    EIN 460516098 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. A Russell Ayre Scholarship Fund

    EIN 222849343 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Aaib Inc

    EIN 237017585 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Abbott Ball Company Inc Employee Benefit Trust

    EIN 060235810 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Abe E Miller American Legion Auxiliary Unit 133

    EIN 821166147 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Abilis Inc

    EIN 066009327 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Abya Yala Corp

    EIN 332381100 · Headquarters: Brookfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Acceptdance Inc

    EIN 863800619 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Access Agency Inc

    EIN 060801861 · Headquarters: WILLIMANTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Accessbridgeport Inc

    EIN 872558378 · Headquarters: Bridgeport, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Achieve Financial Credit Union

    EIN 060696607 · Headquarters: BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Acjfoundation Haiti School and Orphanage Inc

    EIN 814125206 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Acorn Club

    EIN 066099431 · Headquarters: Berlin, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Act Justly Love Mercy Foundation

    EIN 995095833 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Action Together Connecticut Inc

    EIN 822867682 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Actuaries Club of Hartford

    EIN 066081472 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Adelaide Coe Godfrey Trust Fbo Coe Park

    EIN 066090628 · Headquarters: TORRINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Adelbrook Inc

    EIN 060646920 · Headquarters: CROMWELL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Adelphic Literary Society of Wesleyan University

    EIN 066070896 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Adha Connecticut Southeastern Inc

    EIN 900618885 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Adha-Connecticut

    EIN 066056201 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  63. Adha-ct Northwestern

    EIN 824324112 · Headquarters: Thomaston, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Adjacent Possible Studio Inc John Metzner

    EIN 933118206 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Adminstrative Maintenance Fund

    EIN 061456222 · Headquarters: BERLIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Adolph and Ruth Schnurmacher Foundation Inc

    EIN 132938935 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. Adult Vocational Programs Inc

    EIN 061114196 · Headquarters: CHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Advertising Club of Greater Hartford Inc

    EIN 237295213 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Advocates for Bristol Seniors Inc

    EIN 060996505 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Afri Sickle Cell Foundation

    EIN 334204521 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Afscme - Local Union 2405

    EIN 237298427 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  72. AFSCME 3713 CT Local

    EIN 061318705 · Headquarters: Vernon Rockville, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. AFSCME Council 4 OPC

    EIN 912063416 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Afscme Ct Retirees Chapter 4

    EIN 061353564 · Headquarters: New Britain, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Afscme Local 1278

    EIN 320403400 · Headquarters: Kensington, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Afscme Local 2706

    EIN 066089128 · Headquarters: WEST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Afscme Local 478 State of Ct Clericals

    EIN 061071816 · Headquarters: MONROE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Afscme Local 704

    EIN 061074932 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  79. Agency on Aging of South Central Connecticut

    EIN 060915531 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. Aglow International

    EIN 223273936 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Aglow International

    EIN 260252506 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Aglow International

    EIN 510186717 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Aglow International

    EIN 510238728 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Aglow International

    EIN 930773115 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Aglow International

    EIN 930873239 · Headquarters: Torrington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ah Cert Association

    EIN 834340049 · Headquarters: Andover, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Ahladini Foundation

    EIN 844970638 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Aia Connecticut Inc a Chapter of the Aia

    EIN 060847099 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Aideful Homecare Agency

    EIN 333839757 · Headquarters: NORWALK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Aiken School Pto Inc

    EIN 061158259 · Headquarters: West hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Akl- Ct Alpha

    EIN 463902824 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. Akyem Asafo Association

    EIN 824649965 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Alan & Deborah Steckler Family Foundatio

    EIN 990425660 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Albert D Phelps Jr Charitable Foundation C/o Albert D Phelps Inc

    EIN 061127466 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Albright Credit Union

    EIN 061029943 · Headquarters: Bethel, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Alder Brook Cemetery Association

    EIN 060624359 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Aldo Dedominicis Foundation Inc

    EIN 061002402 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  98. Aldrich Free Public Library Association

    EIN 061254364 · Headquarters: MOOSUP, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  99. Alex G Nason Foundation Inc

    EIN 341757149 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Alexander Family Foundation Inc

    EIN 066068454 · Headquarters: South Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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