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. National Society of the Daughters of the American Revolution

    EIN 066056753 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Society of the Daughters of the American Revolution

    EIN 066057739 · Headquarters: New Canaan, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Society of the Daughters of the American Revolution

    EIN 066061418 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Society of the Daughters of the American Revolution

    EIN 066061425 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Society of the Daughters of the American Revolution

    EIN 066062078 · Headquarters: EAST HAMPTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Society of the Daughters of the American Revolution

    EIN 066066222 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Society of the Daughters of the American Revolution

    EIN 066068871 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Society of the Daughters of the American Revolution

    EIN 066068874 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Society of the Daughters of the American Revolution

    EIN 066068877 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Society of the Daughters of the American Revolution

    EIN 066068878 · Headquarters: New Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Society of the Daughters of the American Revolution

    EIN 066068879 · Headquarters: LEBANON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Society of the Daughters of the American Revolution

    EIN 066068882 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Society of the Daughters of the American Revolution

    EIN 066070298 · Headquarters: Cheshire, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Society of the Daughters of the American Revolution

    EIN 166064847 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Society of the Daughters of the American Revolution

    EIN 270702040 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Society of the Daughters of the American Revolution

    EIN 412278035 · Headquarters: Colchester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Society of the Daughters of the American Revolution

    EIN 451807350 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Society of the Daughters of the American Revolution

    EIN 611609440 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Society of the Daughters of the American Revolution

    EIN 850737443 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Society of the Daughters of the American Revolution

    EIN 872908878 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. National Society of the Daughters of the American Revolution

    EIN 874336244 · Headquarters: Redding, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Society of the Sons of the American Revolution

    EIN 061378435 · Headquarters: Bethel, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Society of the Sons of the American Revolution

    EIN 061471612 · Headquarters: WESTPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Society of the Sons of the American Revolution

    EIN 066045781 · Headquarters: Cheshire, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Society of the Sons of the American Revolution

    EIN 066051974 · Headquarters: New Canaan, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Society of the Sons of the American Revolution

    EIN 066068108 · Headquarters: Morris, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National Society of the Sons of the American Revolution

    EIN 066070314 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. National Society of the Sons of the American Revolution

    EIN 146036755 · Headquarters: Willington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National Society of the Sons of the American Revolution

    EIN 222842228 · Headquarters: PLANTSVILLE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National Society of Tole & Decorative Painters

    EIN 061298977 · Headquarters: Niantic, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. National Society of Tole & Decorative Painters Inc

    EIN 352354559 · Headquarters: Northfield, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. National Society United States Daughters of 1812

    EIN 066042243 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Sorority of Phi Delta Kappa Inc

    EIN 521269195 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. National Staff Organization

    EIN 066206678 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. National Taiwan University Medical College Alumni Assoc Inc

    EIN 112439269 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. National Treasury Employees Union

    EIN 066064030 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. National Treasury Employees Union

    EIN 066199393 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Nations Tribes Peoples and Tongues

    EIN 814858900 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Naubuc School Parent Teacher Organization

    EIN 061044655 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Naugatuck Administrative Negotiatin Association

    EIN 061261916 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. Naugatuck Babe Ruth League Inc

    EIN 066041317 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Naugatuck Campership Fund Inc

    EIN 060979758 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Naugatuck Chamber of Commerce Inc

    EIN 060565370 · Headquarters: Waterbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Naugatuck Exchange Club

    EIN 060952075 · Headquarters: NAUGATUCK, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Naugatuck Fish & Game Club

    EIN 061062642 · Headquarters: Oxford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Naugatuck Lodge No 967 Bpoe Elks Inc

    EIN 060258874 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Naugatuck Masonic Building Corp

    EIN 237440238 · Headquarters: naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Naugatuck Rotary Foundation

    EIN 066080264 · Headquarters: NAUGATUCK, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Naugatuck Valley Community College Foundation Inc

    EIN 237165869 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Naugatuck Valley Housing Development Corporation

    EIN 222898850 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Naugatuck Valley Regional Development Co

    EIN 060854496 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Nautatonic African Violet Society

    EIN 261373163 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  53. Nava Ski Club Incorporated

    EIN 061073648 · Headquarters: Waterubury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Naval Submarine School Wardroom Association

    EIN 821499398 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Navy League of the United States

    EIN 061293266 · Headquarters: New Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. Navy League of the United States Western Connecticut Council

    EIN 060987499 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Navy Seabee Veterans of America

    EIN 510208057 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Navy Seabee Veterans of America

    EIN 510208077 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  59. Navy Seabee Veterans of America

    EIN 510224808 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. Navy Seabee Veterans of America

    EIN 753171695 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Navy Seabee Veterans of America

    EIN 753248632 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Navy Seabee Veterans of America

    EIN 800790227 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Navy Seabee Veterans of America

    EIN 900018821 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. Navy Seabee Veterans of America

    EIN 900154976 · Headquarters: Goshen, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Navy Seabee Veterans of America

    EIN 900154981 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Navy Seabee Veterans of America

    EIN 911778758 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Navy Seabee Veterans of America

    EIN 911778869 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. Navy Seabee Veterans of America

    EIN 911818799 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Navy Seabee Veterans of America

    EIN 911965909 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Navy Seabee Veterans of America

    EIN 912054072 · Headquarters: west haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Nc Rams All-sports Booster Club Inc C/o President

    EIN 060963629 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Nectar Volley Corp

    EIN 850770484 · Headquarters: Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Neighbor to Neighbor Inc

    EIN 066071605 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Neighborhood District Economic Development Corporation

    EIN 464753762 · Headquarters: Wilton, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  75. Neipsic Tennis Club Incorporated

    EIN 060804410 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. New Beginnings Family Services Inc

    EIN 824171740 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. New Beginnings Global Inc

    EIN 990730495 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. New Beginnings of Northwest Hills Litchfield County Inc

    EIN 463594265 · Headquarters: WINCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. New Britain Chamber of Commerce

    EIN 060289780 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. New Britain Elks No 957

    EIN 060466995 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. New Britain Emergency Medical Services Inc

    EIN 060969552 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. New Britain Federation of Teachers

    EIN 066069204 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. New Britain Fire Fighters Local 992

    EIN 066068823 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. New Britain Hunting & Fishing Club

    EIN 066081776 · Headquarters: New Britain, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. New Britain Institute

    EIN 060646767 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. New Britain Lodge No 183 Loyal Order of Moose

    EIN 060433690 · Headquarters: KENSINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. New Britain Police Union Local 1165

    EIN 060610985 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. New Britain Quartette Club Inc

    EIN 060467182 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. New Britain Symphony Society Inc

    EIN 237168819 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. New Canaan Board of Realtors Inc

    EIN 060770097 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. New Canaan Cares Inc

    EIN 061143088 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. New Canaan Cemetery Association

    EIN 060467360 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. New Canaan Community Nursery School Inc

    EIN 060662156 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. New Canaan Cotillion

    EIN 934857321 · Headquarters: New Canaan, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. New Canaan Ems Inc

    EIN 237300265 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. New Canaan Field Club Inc

    EIN 060722848 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  97. New Canaan Fire Company No 1 C/o Treasurer

    EIN 066062229 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. New Canaan High School Scholarship Foundation Inc

    EIN 237102732 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. New Canaan Land Conservation Trust Inc

    EIN 066098244 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. New Canaan Police Benevolent Association Inc

    EIN 237225069 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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