Nonprofits in Connecticut

Nonprofits in Connecticut. Browse 26,993 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. Naugatuck Baseball League Inc

    EIN 061472076 · Headquarters: NAUGATUCK, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  2. Naugatuck Campership Fund Inc

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

  3. Naugatuck Chamber of Commerce Inc

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

  4. Naugatuck Community Choir

    EIN 061552354 · Headquarters: Naugatuck, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. Naugatuck Community Musicians

    EIN 262442703 · Headquarters: Naugatuck, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Naugatuck Day Care Inc

    EIN 510137533 · Headquarters: NAUGATUCK, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Naugatuck Economic Development Corporation

    EIN 562320868 · Headquarters: NAUGATUCK, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Naugatuck Education Foundation

    EIN 800677236 · Headquarters: Naugatuck, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. Naugatuck Exchange Club

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

  10. Naugatuck Exchange Foundation Inc

    EIN 275441473 · Headquarters: NAUGATUCK, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Naugatuck Fish & Game Club

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

  12. Naugatuck High School Greyhound Band Association

    EIN 473991553 · Headquarters: Naugatuck, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  13. Naugatuck Hounds Football & Cheer Inc

    EIN 320232117 · Headquarters: NAUGATUCK, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Naugatuck Land Trust Corp

    EIN 061532886 · Headquarters: Naugatuck, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. 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

  16. Naugatuck Masonic Building Corp

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

  17. Naugatuck Non-certified Employees Union

    EIN 833308775 · Headquarters: NAUGATUCK, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Naugatuck Outreach Partnership

    EIN 872966365 · Headquarters: Naugatuck, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Naugatuck Premier Football & Cheer

    EIN 932231906 · Headquarters: Naugatuck, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Naugatuck River Revival Group

    EIN 352334025 · Headquarters: Naugatuck, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Naugatuck River Watershed Association Inc

    EIN 061417459 · Headquarters: middlebury, CT, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  22. Naugatuck Rotary Foundation

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

  23. Naugatuck Valley Audubon Society Inc

    EIN 562319342 · Headquarters: Derby, CT, US · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  24. Naugatuck Valley Community College Foundation Inc

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

  25. Naugatuck Valley Fellowcraft Assoc Inc

    EIN 352556954 · Headquarters: Naugatuck, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Naugatuck Valley Housing Development Corporation

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

  27. Naugatuck Valley League Inc C/o David Dennehy St Paul Catholic

    EIN 205526182 · Headquarters: BRISTOL, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Naugatuck Valley Medical Scholarship Fund Inc

    EIN 020560941 · Headquarters: WOODBRIDGE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  29. Naugatuck Valley Project Inc

    EIN 222726260 · Headquarters: WATERBURY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Naugatuck Valley Regional Development Co

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

  31. Naugatuck Valley Savings and Loan Foundation

    EIN 201730743 · Headquarters: WETHERSFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  32. Naugatuck Valley Soup Kitchen

    EIN 850713013 · Headquarters: Naugatuck, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Naugatuck Youth Services Inc

    EIN 208934900 · Headquarters: NAUGATUCK, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Naugatuck Youth Soccer Inc

    EIN 061285116 · Headquarters: NAUGATUCK, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Naugy Sports

    EIN 371734565 · Headquarters: Oxford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Nautatonic African Violet Society

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

  37. Nautilus Alumni Association Inc

    EIN 223208192 · Headquarters: Mystic, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Nava Ski Club Incorporated

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

  39. Naval and Maritime Consortium Inc

    EIN 844451394 · Headquarters: GROTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  40. Naval Submarine School Wardroom Association

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

  41. Nave International Ministries

    EIN 872937817 · Headquarters: Danbury, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. 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

  43. Navy League of the United States Bridgeport Connecticut Council

    EIN 061087917 · Headquarters: Fairfield, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. Navy Seabee Veterans of America

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

  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

  58. 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

  59. Nawiskill

    EIN 415170564 · Headquarters: New Haven, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Naya Jeevan for Kids Inc

    EIN 260551721 · Headquarters: DARIEN, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  61. Nayaug Parent Teacher Organization

    EIN 562648530 · Headquarters: SOUTH GLASTONBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Nc Ram Football Association Inc

    EIN 260325402 · Headquarters: NEW CANAAN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. 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

  64. Ncbw - New Haven Metropolitan Chapter

    EIN 811309796 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Nchs Baseball Association

    EIN 465363707 · Headquarters: NEW CANAAN, CT, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Ncrink Inc

    EIN 872165009 · Headquarters: NEW CANAAN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Ne Comets Soccer Inc

    EIN 452408298 · Headquarters: Woodbridge, CT, USA · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  68. Nead Inc Connecticut

    EIN 223186487 · Headquarters: WESTPORT, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  69. Neca-ibew Union No 35 Health Fund

    EIN 066037823 · Headquarters: WALLINGFORD, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  70. Necbl Blues Baseball Club

    EIN 881820638 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Necessities Inc

    EIN 432086105 · Headquarters: Ridgefield, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. Neck River Elementary Parent Teachers Organization

    EIN 061580579 · Headquarters: MADISON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Neconn Soccer Club Inc

    EIN 830493105 · Headquarters: Putnam, CT, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  74. Nectar Volley Corp

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

  75. Needs Clearing House Inc

    EIN 471013203 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. Neely Bruce Music Foundation Inc

    EIN 873209980 · Headquarters: Middletown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Nehemiah Commission Inc

    EIN 061223779 · Headquarters: Bridgeport, CT, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  78. Nehemiah Housing Corporation

    EIN 222765537 · Headquarters: MIDDLETOWN, CT, USA · Housing & Shelter · Latest available filing year: 2014 · Primary form: IRS Form 990

  79. Neighbor Fund Inc

    EIN 822562281 · Headquarters: POMFRET CENTER, CT, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Neighbor to Neighbor Inc

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

  81. Neighborhood Alliance of New London

    EIN 061407971 · Headquarters: NEW LONDON, CT, US · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  82. Neighborhood District Economic Development Corporation

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

  83. Neighborhood Housing Services of Connecticut Inc

    EIN 222621951 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  84. Neighborhood Housing Services of New Britain

    EIN 061006312 · Headquarters: NEW BRITAIN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Neighborhood Housing Services of New Haven Inc

    EIN 061021268 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Neighborhood Housing Services of Stamford Inc

    EIN 061063650 · Headquarters: STAMFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Neighborhood Housing Services of Waterbury Inc

    EIN 061022915 · Headquarters: WATERBURY, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Neighborhood Music School Inc

    EIN 060662152 · Headquarters: NEW HAVEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Neighborhood Preservation Foundation Inc

    EIN 061135250 · Headquarters: STAMFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Neighborhood Promise Inc

    EIN 464652177 · Headquarters: New Britain, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Neighborhood Studios of Fairfield County Inc

    EIN 060993269 · Headquarters: Bridgeport, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Neighborhood Thrift Shop Inc

    EIN 462699876 · Headquarters: Norwich, CT, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  93. Neipsic Tennis Club Incorporated

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

  94. Nelson D'Ancona Foundation Eagle One

    EIN 223172917 · Headquarters: Southport, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Nelsons Family Foundation

    EIN 261726820 · Headquarters: REDDING, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. Nemerov Charitable Foundation Inc

    EIN 562363130 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  97. Nepacc Inc

    EIN 800824993 · Headquarters: Newington, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Nepalese Association of Connecticut Company

    EIN 270538837 · Headquarters: West Hartford, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Nephrohaven Foundation

    EIN 412312364 · Headquarters: New Haven, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Nercomp Inc

    EIN 042465851 · Headquarters: GLASTONBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

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