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. Myteam Triumph - Connecticut

    EIN 823500675 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Naabt Inc

    EIN 202595167 · Headquarters: FARMINGTON, CT, USA · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  3. Naaia Greater Hartford Inc

    EIN 821815865 · Headquarters: Colchester, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Naasf Emergency Relief Fund

    EIN 204502591 · Headquarters: Fairfield, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. Nadeau Farm Inc

    EIN 825436100 · Headquarters: Hamden, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Nafa Foundation Inc

    EIN 883362829 · Headquarters: Avon, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. NAFI Connecticut

    EIN 900059160 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Nahom Family Foundation

    EIN 061623314 · Headquarters: NEW MILFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Nailandspa Ct Association Inc

    EIN 463942775 · Headquarters: ORANGE, CT, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  10. Nailepu Foundation

    EIN 934366389 · Headquarters: Middletown, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Naiop Ct & Suburban Ny Chapter

    EIN 133525641 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  12. Nalc Foundation Inc C/o Betsy G Fiske

    EIN 237071382 · Headquarters: WEST HAVEN, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990

  13. Nalewajek Family Foundation

    EIN 061501851 · Headquarters: COS COB, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Nambale Scholars Foundation Inc

    EIN 813987999 · Headquarters: NORWALK, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Name Change Ministries 7Th Day

    EIN 881062773 · Headquarters: Stamford, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Nami Greater Bridgeport Ct Inc

    EIN 061608813 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Nami of Connecticut Inc

    EIN 222605701 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Nami of Connecticut Incorporated

    EIN 043633932 · Headquarters: Stamford, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  19. Nami of Connecticut Incorporated

    EIN 061519195 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Nami of Connecticut Incorporated

    EIN 061523275 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Nami of Connecticut Incorporated

    EIN 061530368 · Headquarters: Manchester, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Nami of Connecticut Incorporated

    EIN 222597091 · Headquarters: Hamden, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  23. Nami of Connecticut Incorporated

    EIN 261221115 · Headquarters: newington, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  24. Nami of Connecticut Incorporated

    EIN 272481494 · Headquarters: HARTFORD, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  25. Nami of Connecticut Incorporated

    EIN 300249448 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Nami of Connecticut Incorporated

    EIN 651161427 · Headquarters: Trumbull, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  27. Nami of Connecticut Incorporated

    EIN 825469609 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  28. Nami of Elm City Inc

    EIN 271125158 · Headquarters: Orange, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Nami Shoreline

    EIN 352350755 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Nami Southwest Ct Inc

    EIN 465095472 · Headquarters: New Canaan, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. NAMI Waterbury Affiliate of NAMI CT

    EIN 043429847 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Nancy & Donald Lattimer Scholarship Fund

    EIN 134022087 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Nancy a Larson Foundation Inc

    EIN 061637587 · Headquarters: OLD LYME, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Nancy Animal Welfare Fund Inc

    EIN 922744942 · Headquarters: Glastonbury, CT, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Nancy N Mackay Estate - Nn Mackay Fund Tr

    EIN 066277200 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  36. Nancy S Offit Foundation Inc

    EIN 821269178 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Nancy Spofford Yerkes Foundation Inc

    EIN 472566729 · Headquarters: Noank, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Nandom Advocacy Group USA

    EIN 853770819 · Headquarters: Manchester, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Naph Pay It Forward Fund Inc

    EIN 831681716 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  40. Nappesoul Inc

    EIN 850701860 · Headquarters: New Haven, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Naramake Childrens Scholarship Foundationinc

    EIN 273598965 · Headquarters: NEWTOWN, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  42. Naramake Family Resource Center Inc

    EIN 061556799 · Headquarters: NEWTOWN, CT, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  43. Narcotic Enforcement Officers Association of Connecticut Inc

    EIN 060948057 · Headquarters: WALLINGFORD, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Naromi Land Trust Inc C/o Northwest Connecticut Land Cons

    EIN 060848037 · Headquarters: KENT, CT, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  45. Narrate Conferences Inc

    EIN 204106213 · Headquarters: Fairfield, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Nat and Jack Farrell House Inc

    EIN 813366177 · Headquarters: Branford, CT, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Natchaug Hospital

    EIN 060966963 · Headquarters: Mansfield Center, CT, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. Natchaug Hospital Unions United Local 5052

    EIN 222548839 · Headquarters: BOZRAH, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Nathan Ebanks Children Advocacy Group Inc

    EIN 472153741 · Headquarters: Hamden, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Nathan Hale Ancient Fifes & Drums of the 19Th Ct Regmt of Foot Inc

    EIN 061175603 · Headquarters: Coventry, CT, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  51. Nathan Hale Pto

    EIN 060947750 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Nathan Hale Pto

    EIN 061350577 · Headquarters: New London, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Nathan Hale Ray High School Music Boosters

    EIN 844310346 · Headquarters: Moodus, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Nathaniel B Field Memorial Foundation

    EIN 475412312 · Headquarters: Haddam, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Nathaniel Witherell Patients Trust Fund

    EIN 066204080 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  56. Nation Voice Foundation

    EIN 992891978 · Headquarters: STAMFORD, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. National Active and Retired Federal Employees Association

    EIN 061079890 · Headquarters: Coventry, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  58. National Active and Retired Federal Employees Association

    EIN 066098190 · Headquarters: Bridgeport, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  59. National Active and Retired Federal Employees Association

    EIN 066098193 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. National Active and Retired Federal Employees Association

    EIN 066098195 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. National Active and Retired Federal Employees Association

    EIN 066098197 · Headquarters: PRESTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Active and Retired Federal Employees Association

    EIN 521627881 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. National Active and Retired Federal Employees Association

    EIN 581911996 · Headquarters: PORTLAND, CT, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  64. National Active and Retired Federal Employees Association

    EIN 581967895 · Headquarters: Newton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Active and Retired Federal Employees Association

    EIN 582071967 · Headquarters: Coventry, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  66. National Active and Retired Federal Employees Association

    EIN 582071968 · Headquarters: Shelton, CT, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  67. National Agri Marketing Association Inc

    EIN 237105170 · Headquarters: Colebrook, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  68. National Air Traffic Controllers Association

    EIN 061249169 · Headquarters: Windsor Locks, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Air Traffic Controllers Association

    EIN 061268767 · Headquarters: Windsor Locks, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Air Traffic Controllers Association

    EIN 873449930 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Air Traffic Controllers Association

    EIN 874101881 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Air Traffic Controllers Association Afl-cio

    EIN 043539676 · Headquarters: South Windsor, CT, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  73. National Alliance of Postal and Federal Employees

    EIN 060947569 · Headquarters: BEACON VILLAGE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Alliance of Postal and Federal Employees

    EIN 237002471 · Headquarters: NEW HAVEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Alliance of Postal and Federal Employees

    EIN 237149928 · Headquarters: BEACON FALLS, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Alliance of Postal and Federal Employees

    EIN 510135888 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Alliance of Research Associates Program Inc

    EIN 264138552 · Headquarters: Westport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. National American Glass Club

    EIN 133468671 · Headquarters: Orange, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Archery Association of the United States

    EIN 262415793 · Headquarters: Farmington, CT, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  80. National Assn of Postal Supv Br

    EIN 455428777 · Headquarters: DANBURY, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. National Assoc of Housing & Redevelopment Officials Connecticut

    EIN 521610128 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. National Assoc of Naval Vets Port 5

    EIN 060641608 · Headquarters: Bridgeport, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. National Association for the Advancement of Colored People

    EIN 061476119 · Headquarters: New Britain, CT, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. National Association for the Advancement of Colored People

    EIN 066099301 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. National Association for the Prevention of Teenage Addiction

    EIN 271439160 · Headquarters: Wethersfield, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  86. National Association of Asian American Professionals Ct Inc

    EIN 991230005 · Headquarters: New Haven, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Association of Benefits and Insurance Professionals - Ma Chapter

    EIN 043220961 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. National Association of Black Accountants Inc

    EIN 061327566 · Headquarters: Stamford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. National Association of Black Accountants Inc

    EIN 202938526 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. National Association of Certified Professional Midwives Inc

    EIN 814798159 · Headquarters: Deep River, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Association of Charitable Gift Planners

    EIN 061326951 · Headquarters: Rocky Hill, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Association of Corporate Directors Connecticut Chapter Inc

    EIN 341991353 · Headquarters: Stratford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. National Association of Fsa County Office Employees

    EIN 066068646 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Association of Government Employees

    EIN 010798638 · Headquarters: Essex, CT, US · Crime & Legal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  95. National Association of Government Employees

    EIN 061000398 · Headquarters: PLAINVILLE, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. National Association of Government Employees

    EIN 061119867 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. National Association of Government Employees

    EIN 061411622 · Headquarters: Granby, CT, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  98. National Association of Government Employees

    EIN 061529111 · Headquarters: East Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Association of Government Employees

    EIN 222500786 · Headquarters: East Hampton, CT, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  100. National Association of Government Employees

    EIN 222502853 · Headquarters: Unionville, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

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