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. United States Power Squadrons

    EIN 066069028 · Headquarters: Columbia, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. United States Power Squadrons

    EIN 066069086 · Headquarters: Coventry, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. United States Power Squadrons

    EIN 066069099 · Headquarters: NEW BRITAIN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. United States Power Squadrons

    EIN 066070057 · Headquarters: Old Saybrook, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. United States Power Squadrons

    EIN 066105533 · Headquarters: Essex, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. United States Power Squadrons

    EIN 146046218 · Headquarters: DARIEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. United States Power Squadrons

    EIN 237040035 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. United Steelworkers

    EIN 060670005 · Headquarters: MERIDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. United Steelworkers

    EIN 060859705 · Headquarters: Newmilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. United Steelworkers

    EIN 061581665 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  11. United Steelworkers

    EIN 066069655 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. United Steelworkers

    EIN 237105848 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. United Steelworkers Local Union 09411

    EIN 061482776 · Headquarters: Uncasville, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. United Steelworkers Local Union 12000

    EIN 061403548 · Headquarters: Orange, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. United Steelworkers Local Union 12160

    EIN 066068677 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. United Steelworkers Local Union 134L

    EIN 060687313 · Headquarters: Orange, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. United Steelworkers Local Union 46

    EIN 066059532 · Headquarters: Rogers, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. United Technologies Corporation Employees Benefit Plan Trust

    EIN 061009612 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. United Union of Roofers Local 12

    EIN 060572055 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. United Union of Roofers Local 9

    EIN 060473057 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. United Union of Roofers Waterproofers & Allied Workers Local # 12 Health Fund

    EIN 060878220 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. United War Veterans Grand Army of the Republic Buckingham Memorial

    EIN 593841943 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. United Waste and Recycling Workers Union Local 393 Iujat

    EIN 871292803 · Headquarters: danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. United Way of Greenwich Inc

    EIN 060646578 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. United Way of Southeastern Connecticut Inc

    EIN 060771393 · Headquarters: Gales Ferry, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Unity Lodge No 148 Af& Am of Ct

    EIN 100004457 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Univ of Chinese Academy of Sciences Alumni Association of America

    EIN 931509070 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. University Health Professionals Aft Local 3837

    EIN 060983534 · Headquarters: FARMINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. University of Connecticut Law School Alumni Association Inc

    EIN 061064893 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. University of Ct Chapter of the American Assoc of Univ Professors

    EIN 060949733 · Headquarters: STORRS, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. University Row Homes Inc C/o Better Quality Management

    EIN 060857606 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. Upson Rockhaven Inc

    EIN 452250652 · Headquarters: Glastonbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Urban League of Greater Hartford Inc

    EIN 066066491 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Urban Philanthropic Fund Inc

    EIN 814576415 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Urbin T Kelley School PTO

    EIN 222516646 · Headquarters: Southington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Urgent International Inc

    EIN 352693011 · Headquarters: East Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  37. Us & Japan Society of Connecticut Inc

    EIN 364894049 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Us Business Strong Inc

    EIN 821201535 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Us Healthcare Inc Retiree Health Benefit Plan Trust

    EIN 237772127 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. USA Softball Connecticut Inc

    EIN 061274666 · Headquarters: Middletown, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. USA Track & Field Inc

    EIN 203895201 · Headquarters: Bethlehem, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Uscg Auxiliary Mystic Flotilla 25-03

    EIN 461865434 · Headquarters: Killingworth, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  43. Uss California Ssn 781 Frg

    EIN 931956741 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Uss Delaware 791 Family Readiness Group

    EIN 933829086 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Uss Hartford Family Readiness Group

    EIN 475009449 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. Uss North Dakota Frg

    EIN 871055741 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  47. Uss Pittsburgh Family Readiness Group

    EIN 823201411 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Uss Providence Support Group

    EIN 842843381 · Headquarters: Gales Ferry, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. Uss Texas Ssn 775 Frg Corp

    EIN 394076616 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Utility Workers Union of America Afl-cio

    EIN 066046057 · Headquarters: Cos Cob, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Utility Workers Union of America Afl-cio Local 380

    EIN 066068705 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Valley Cheer Inc

    EIN 237023414 · Headquarters: Centerbrook, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Valley Fire Chiefs Emergency Plan Inc

    EIN 061306503 · Headquarters: OXFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Valley Lodge 36 Af & Am C/o John E Pearson

    EIN 342032592 · Headquarters: SIMSBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Valley Regional Lodge 151 Order of Sons of Italy Inc

    EIN 060904790 · Headquarters: DERBY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Valley Shakespeare Festival

    EIN 462147617 · Headquarters: SHELTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Valley Yacht Club

    EIN 066114998 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Values Realization Institute Inc

    EIN 222712699 · Headquarters: Ellington, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  59. Van Nest Recreation Center Inc

    EIN 131735504 · Headquarters: COS COB, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Vasa Order of America

    EIN 066057190 · Headquarters: WETHERSFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Vasa Order of America

    EIN 237170970 · Headquarters: WEST HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Vasa Order of America

    EIN 237631401 · Headquarters: SANDY HOOK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Vasa Order of America

    EIN 237631402 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Vasa Order of America

    EIN 237631417 · Headquarters: WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Vasa Order of America

    EIN 237631454 · Headquarters: PUTNAM, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Venberg Foundation

    EIN 223171880 · Headquarters: EASTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  67. Vendemia Family Foundation Inc C/o Matt Maclean

    EIN 413249260 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  68. Veneta Society

    EIN 060956431 · Headquarters: TORRINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Vernon - Rockville Little League C/o Shannon Perez

    EIN 060959901 · Headquarters: VERNON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Vernon Historical Society Inc

    EIN 237105431 · Headquarters: Vernon Rockville, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Vernon Volunteer Firefighters Associations Inc

    EIN 061457365 · Headquarters: Vernon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Veterans for Peace

    EIN 223059152 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Veterans Foreign Wars Berkshire Post 9243

    EIN 222702305 · Headquarters: Lakeville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Veterans of Foreign Wars - 10060 CT

    EIN 066109273 · Headquarters: Uncasville, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Veterans of Foreign Wars 2046 CT

    EIN 060623361 · Headquarters: Manchester, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Veterans of Foreign Wars Dept of CT Trumbull Memorial Post

    EIN 060992708 · Headquarters: Trumbull, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Veterans of Foreign Wars Harley P Chase Post 1265

    EIN 066044195 · Headquarters: PAWCATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Veterans of Foreign Wars Madeley-Roberts Post 574

    EIN 066055415 · Headquarters: Plainville, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Veterans of Foreign Wars Major Raoul Lufbery Post 591

    EIN 066069114 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Veterans of Foreign Wars of the 685

    EIN 066046925 · Headquarters: CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Veterans of Foreign Wars of the 7330-Vfw-conn

    EIN 066070387 · Headquarters: OAKVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Veterans of Foreign Wars of the United

    EIN 060641906 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Veterans of Foreign Wars of the United States

    EIN 060604622 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Veterans of Foreign Wars of the United States

    EIN 066085949 · Headquarters: Newtown, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Veterans of Foreign Wars of the United States Dept

    EIN 066048572 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Veterans of Foreign Wars of the United States Dept

    EIN 066068968 · Headquarters: ANSONIA, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 060575598 · Headquarters: ROCKY HILL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 060638962 · Headquarters: PLAINFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 060735435 · Headquarters: JEWETT CITY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 060792241 · Headquarters: Taftville, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 060965152 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 061011072 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 061014334 · Headquarters: Hebron, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 061071125 · Headquarters: Salem, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 061324221 · Headquarters: Ledyard, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 061327099 · Headquarters: Coventry, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 061388564 · Headquarters: Old Lyme, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 066037787 · Headquarters: PROSPECT, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  99. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 066058666 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Veterans of Foreign Wars of the United States Dept of Connecticut

    EIN 066085936 · Headquarters: Stafford Springs, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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