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. Westchester Fairfield Dressage Association Inc

    EIN 133570149 · Headquarters: Bethel, CT, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  2. Westchester Radio Aero Modelers Inc

    EIN 237106171 · Headquarters: DANBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Westchester Speech Hearing and Language Association

    EIN 132992569 · Headquarters: Riverside, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Westchester Ultimate Disc Inc

    EIN 134006864 · Headquarters: FAIRFIELD, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Westchester-fairfield Jazz Society Inc

    EIN 061432221 · Headquarters: Riversde, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  6. Westcog Foundation Inc

    EIN 823668471 · Headquarters: Sandy Hook, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Westconn International Trade Assoc Inc

    EIN 061017200 · Headquarters: New Cannan, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Westcott-wilcox Elderly Residential Housing Inc

    EIN 066034755 · Headquarters: DANIELSON, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Westerly Troops Boy Scouts of America Inc

    EIN 056009858 · Headquarters: MYSTIC, CT, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. Western Connecticut Area Agency on Aging Inc

    EIN 061182488 · Headquarters: WATERBURY, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  11. Western Connecticut Area Labor Federation Afl-cio

    EIN 066078335 · Headquarters: WOODBRIDGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Western Connecticut Assoc for Human Rights INC

    EIN 060955081 · Headquarters: Danbury, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  13. Western Connecticut Chapter National Railway Historical Societ

    EIN 010366432 · Headquarters: Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Western Connecticut Chinese Association

    EIN 261400286 · Headquarters: Danbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. Western Connecticut Coalition Inc

    EIN 061411713 · Headquarters: WATERTOWN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Western Connecticut Democratic Socialists of America

    EIN 843969449 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. Western Connecticut Estate & Tax Planning Council Inc

    EIN 060965759 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Western Connecticut Health Network Affiliates Inc

    EIN 222594968 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Western Connecticut Health Network Inc

    EIN 222594977 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. Western Connecticut Health Network Investments Llc

    EIN 475523212 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  21. Western Connecticut Hog Inc

    EIN 473928012 · Headquarters: Bristol, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Western Connecticut Home Care Inc

    EIN 060655138 · Headquarters: Danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  23. Western Connecticut Junior Waccabi Inc

    EIN 061279026 · Headquarters: New Milford, CT, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  24. Western Connecticut Orienteering Club

    EIN 061328677 · Headquarters: Bethel, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Western Connecticut Retired Officers Assoc Inc

    EIN 060999717 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Western Connecticut Senior Sports Inc

    EIN 431950494 · Headquarters: New Milford, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. Western Connecticut Soccer Association Inc

    EIN 223135162 · Headquarters: Wolcott, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Western Connecticut State University Alumni Association Inc

    EIN 061242941 · Headquarters: DANBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Western Connecticut State University Foundation Inc

    EIN 061086725 · Headquarters: DANBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Western Connecticut Superintendents Association Inc

    EIN 222696644 · Headquarters: Litchfield, CT, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  31. Western Connecticut Treehound Association Inc

    EIN 061027384 · Headquarters: Brookfield, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  32. Western Connecticut United Professionals

    EIN 814524774 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Western Connecticut Youth Ballet Company

    EIN 113795284 · Headquarters: Georgetown, CT, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. Western Connecticut Youth Hockey Association Inc

    EIN 061524058 · Headquarters: DANBURY, CT, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990

  35. Western Connecticut Youth Orchestra Inc

    EIN 262304950 · Headquarters: RIDGEFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Western Ct Volleyball Club Inc

    EIN 921225585 · Headquarters: NEW MILFORD, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Western Mass Pharmacists Assn

    EIN 043297956 · Headquarters: Somers, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Western Mass Raiders Inc

    EIN 923086214 · Headquarters: Somers, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Western New England Institute for Psychoanalysis

    EIN 060707098 · Headquarters: NEW HAVEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Western New England Psychoanalytic Society Inc

    EIN 460883243 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Western Reserve Care System C/o Winter Harbor Llc

    EIN 341454933 · Headquarters: WESTPORT, CT, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. Western United Extreme Inc

    EIN 711052088 · Headquarters: Newtown, CT, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  43. Westfield Cemetery Association Inc % Gary W Peloquin Cpa

    EIN 060586735 · Headquarters: DANIELSON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Westfield Residents Association Inc

    EIN 222627064 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  45. Westfield Volunteer Fire Department Inc

    EIN 991100576 · Headquarters: Middletown, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Westford Valley Marketplace Inc C/o Ubs Realty Investors Llc

    EIN 330850675 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Westhill Band Parent Association Incorporated

    EIN 832306524 · Headquarters: Stamford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Westhill Band Parents Association

    EIN 264796948 · Headquarters: Stamford, CT, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  49. Westhill Northstar Playmakers Parent Group Inc

    EIN 992120067 · Headquarters: Stamford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Westhill Touchdown Club

    EIN 460762945 · Headquarters: Stamford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Westies Care Inc

    EIN 465084690 · Headquarters: WEST HAVEN, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Westies Win

    EIN 852815892 · Headquarters: WEST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  53. Westleys Wish K9 Rescue

    EIN 821463216 · Headquarters: Bristol, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Westmont Residents Association Inc

    EIN 061209361 · Headquarters: West Hartford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. Weston Basketball Association Inc

    EIN 043618663 · Headquarters: Weston, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Weston Community Fund Inc

    EIN 844370109 · Headquarters: WESTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Weston Community Park Organization Inc

    EIN 202865983 · Headquarters: Weston, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  58. Weston CT Baseball & Softball Association Inc

    EIN 464980137 · Headquarters: WESTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Weston Diamond Club

    EIN 061801736 · Headquarters: Weston, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Weston Dog Park

    EIN 811789332 · Headquarters: Weston, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Weston Education Foundation Inc

    EIN 061411942 · Headquarters: Weston, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Weston Garden Club Inc

    EIN 854348878 · Headquarters: Weston, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Weston Gridiron Club

    EIN 264462953 · Headquarters: Weston, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Weston Gun Club Community Foundation Inc

    EIN 061553505 · Headquarters: Weston, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Weston Gun Club Inc C/o R L Depanfilis & Company Llc

    EIN 060801261 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Weston High School Booster Club

    EIN 060849684 · Headquarters: WESTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Weston High School PTO

    EIN 061529042 · Headquarters: Weston, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Weston High School Scholarship Committee

    EIN 066032878 · Headquarters: Westport, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  69. Weston Historical Society Inc

    EIN 066038732 · Headquarters: WESTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Weston Intermediate School Pto Inc

    EIN 300310076 · Headquarters: Weston, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Weston Lacrosse Club C/o Nathan Klebacha

    EIN 061555400 · Headquarters: WESTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Weston Middle School Pto Inc

    EIN 061528638 · Headquarters: Weston, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Weston Music Center & School of the Performing Arts Inc

    EIN 060809617 · Headquarters: Weston, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Weston Performing Arts Booster Club Inc

    EIN 921046558 · Headquarters: Weston, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Weston Police Benevolent Association

    EIN 061023765 · Headquarters: WESTON, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Weston Police Upseu Unit 1493

    EIN 472695789 · Headquarters: Weston, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  77. Weston Soccer Club Inc

    EIN 222910478 · Headquarters: WESTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Weston Swimming Inc

    EIN 061462952 · Headquarters: WESTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Weston Volunteer Fire Department Inc

    EIN 066071051 · Headquarters: WESTON, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Weston Warm-up Fund Inc

    EIN 061087836 · Headquarters: Weston, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Weston Woods Institute Inc

    EIN 222478789 · Headquarters: WESTON, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  82. Weston Youth Football and Cheer Inc

    EIN 900795909 · Headquarters: Weston, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  83. Weston Youth Softball Association Inc

    EIN 873521496 · Headquarters: Weston, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Westonarts Inc

    EIN 593814545 · Headquarters: Weston, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Westover Pto

    EIN 222912519 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Westover School Inc

    EIN 060646961 · Headquarters: MIDDLEBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Westport Animal Shelter Advocates

    EIN 270228138 · Headquarters: WESTON, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Westport Astronomical Society Inc

    EIN 223034747 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Westport Baseball and Softball Inc

    EIN 066099728 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Westport Book Sale Ventures Inc

    EIN 842095392 · Headquarters: WESTPORT, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Westport Chamber of Commerce

    EIN 066071021 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Westport Cinema Initiative

    EIN 274659671 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990

  93. Westport Community Band Inc

    EIN 222571162 · Headquarters: Redding, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Westport Community Gardens

    EIN 922221383 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Westport Community Theatre Inc

    EIN 066072059 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Westport Council of Ptas C/o Denise Acampora

    EIN 900258500 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Westport Country Playhouse Inc

    EIN 237357943 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Westport Downtown 2020 Corporation

    EIN 460900833 · Headquarters: WESTPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. Westport Entrepreneurs

    EIN 465408075 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Westport Evergreen Inc

    EIN 814711618 · Headquarters: Westport, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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