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. Stratford Animal Rescue Society

    EIN 061596291 · Headquarters: STRATFORD, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Stratford Avenue Youth &Amp Young Adult Development

    EIN 474587771 · Headquarters: Bridgeport, CT, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Stratford Cadets Inc

    EIN 993712964 · Headquarters: Stratford, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Stratford Cat Project Inc

    EIN 061610664 · Headquarters: Stratford, CT, US · Animal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. Stratford Community Concert Band Inc

    EIN 470985559 · Headquarters: STRATFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Stratford Ct Dog Park

    EIN 455061403 · Headquarters: Woodbury, CT, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  7. Stratford Ct Police Union Local 407

    EIN 066084970 · Headquarters: STRATFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Stratford Day Inc

    EIN 061416146 · Headquarters: Straford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. Stratford Education Foundation Inc

    EIN 821262436 · Headquarters: Stratford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Stratford Federation of Retirees

    EIN 061337627 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Stratford Firemans Benevolent Assoc

    EIN 066037320 · Headquarters: Stratford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Stratford Forward

    EIN 833607343 · Headquarters: Stratford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Stratford High School Music Parent Association

    EIN 260134954 · Headquarters: Stratford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Stratford Historical Society

    EIN 066032426 · Headquarters: STRATFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Stratford Library Association

    EIN 060756208 · Headquarters: STRATFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Stratford Old Timers Athletic Assn

    EIN 061336249 · Headquarters: STRATFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Stratford Police Benevolent Assoc Inc

    EIN 066063187 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Stratford Pop Warner Youth Football

    EIN 834150025 · Headquarters: STRATFORD, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Stratford Rotary Club Foundation

    EIN 474694304 · Headquarters: Stratford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Stratford Rotary Club Inc

    EIN 066047777 · Headquarters: Stratford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Stratford Softball Tournaments Inc

    EIN 061489321 · Headquarters: Statford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Stratford Veterans Museum

    EIN 844377381 · Headquarters: Stratford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Stratford Visiting Nurse Association Inc

    EIN 060646943 · Headquarters: STRATFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Stratford Volunteer Emergency Medical Service Assoc Inc

    EIN 060987613 · Headquarters: Stratford, CT, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  25. Stratford Womens Club Inc

    EIN 060947172 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  26. Stratfprd Baseball Association Inc

    EIN 061051554 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  27. Stratus Global Alliance Inc

    EIN 413089947 · Headquarters: Stratford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Stray Kats Theatre Company

    EIN 272775147 · Headquarters: Sandy Hook, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Straykatz Inc

    EIN 352227391 · Headquarters: Wolcott, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Strays & Others Inc

    EIN 061205549 · Headquarters: NEW CANAAN, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Strays Unlimited Inc

    EIN 270144479 · Headquarters: Uncasville, CT, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Street Child Support

    EIN 843849095 · Headquarters: MANCHESTER, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Street Church Inc

    EIN 932724177 · Headquarters: West Hartford, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Street2straight Program Inc

    EIN 923027705 · Headquarters: Hamden, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Streetfire Ministries Inc

    EIN 462789909 · Headquarters: Cromwell, CT, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  36. Streicker Foundation Inc

    EIN 061485504 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Stretch Arts Inc

    EIN 475135976 · Headquarters: Cromwell, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Stride Running Club Foundation Inc

    EIN 414669724 · Headquarters: Middletown, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Strike 3 Foundation

    EIN 261958630 · Headquarters: Monroe, CT, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. String of Pearls Big Band Inc

    EIN 873248826 · Headquarters: East Haddam, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Strive - New Haven Inc

    EIN 383667019 · Headquarters: New Haven, CT, USA · Employment · Latest available filing year: 2011 · Primary form: IRS Form 990

  42. Strive for Oxford

    EIN 272112464 · Headquarters: Oxford, CT, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Strokeot Incorporated

    EIN 862853299 · Headquarters: Canton, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Strong and Beautiful Corporation

    EIN 861471639 · Headquarters: Farmington, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. Strong Center At The Surf Club Inc

    EIN 270731011 · Headquarters: Branford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. Strong Families Inc

    EIN 261840448 · Headquarters: STAMFORD, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  47. Strong Family Farm Inc

    EIN 462841985 · Headquarters: Vernon Rockville, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Strong God Church Inc

    EIN 881565268 · Headquarters: danbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Strong Poss-abilites Incorporated

    EIN 872120366 · Headquarters: WEATOGUE, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Strong Start Foundation

    EIN 833288548 · Headquarters: TRUMBULL, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Stronger Than You Think Inc

    EIN 992760918 · Headquarters: DARIEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Struck a Nerve

    EIN 991647168 · Headquarters: Windsor Locks, CT, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Structural Engineers Association of Connecticut

    EIN 882716041 · Headquarters: Danbury, CT, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Strum by the Sound

    EIN 392869689 · Headquarters: WEST HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Strut & Fret Inc

    EIN 133014515 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Student Compass Inc

    EIN 462710921 · Headquarters: Litchfield, CT, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  57. Student Initiative in Medical Simulation

    EIN 831765384 · Headquarters: Glastonbury, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Student Loan Fund Inc

    EIN 873895495 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Student National Medical Association University of Ct Chptr

    EIN 061624914 · Headquarters: Farmington, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  60. Student Parenting and Family Services

    EIN 061390911 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Student Success 1 Inc

    EIN 880584755 · Headquarters: Stamford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Student Teacher Parent Council

    EIN 060949926 · Headquarters: Litchfield, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  63. Student Union USA Inc

    EIN 863274068 · Headquarters: Hebron, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Students Active for Ending Rape Inc

    EIN 412058258 · Headquarters: Storrs, CT, US · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Students Actively Learning Through Technology

    EIN 812562895 · Headquarters: MIDDLE HADDAM, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Students of Salaam Inc

    EIN 831100221 · Headquarters: NEW HAVEN, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Students of Stem Corporation

    EIN 873285822 · Headquarters: ORANGE, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Students Supporting Students Inc

    EIN 923780864 · Headquarters: South Windsor, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Students Uniting for Ukraine Foundation Tr

    EIN 936508098 · Headquarters: Greenwich, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Studio 22 Booster Club Co

    EIN 920986099 · Headquarters: East Lyme, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Studio Art Quilt Assoc Inc

    EIN 770271652 · Headquarters: HEBRON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Studio Bible Way

    EIN 061618543 · Headquarters: Hartford, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Studio Slew

    EIN 923336024 · Headquarters: FAIRFIELD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Study Hall Inc

    EIN 881551434 · Headquarters: Clinton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Submarine Force Library & Museum Association Inc

    EIN 237281074 · Headquarters: Groton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Submarine Officers Spouses Association Charitable Association

    EIN 820565258 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Submarine Officers Spouses Association New London

    EIN 237248286 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Subscribers Foundation Inc

    EIN 611564694 · Headquarters: SOUTHPORT, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. Subway Cares Foundation Inc

    EIN 861625656 · Headquarters: SHELTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Subway Development Agent Advisory Corporation

    EIN 351815106 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  81. Success Residential Homes Inc

    EIN 300499957 · Headquarters: BETHEL, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Sudalink Co

    EIN 393428323 · Headquarters: Southington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sudanese American Society In

    EIN 825017526 · Headquarters: Fairfield, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Sudden Infant Death Syndrome Network Inc

    EIN 061364289 · Headquarters: Ledyard, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sue Burns Foundation Inc

    EIN 300454136 · Headquarters: Windsor, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Suffield Academy

    EIN 060678539 · Headquarters: SUFFIELD, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  87. Suffield Chamber of Commerce Inc

    EIN 061393117 · Headquarters: Suffield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. Suffield Community Center Association Inc

    EIN 300120728 · Headquarters: West Suffield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  89. Suffield Cooperative Preschool

    EIN 060865203 · Headquarters: Suffield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Suffield Council for the Arts

    EIN 060934696 · Headquarters: Suffield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  91. Suffield Country Club Inc

    EIN 060555025 · Headquarters: SUFFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Suffield Country Club Scholarship Foundation Inc

    EIN 854121329 · Headquarters: SUFFIELD, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Suffield Elementary Parent Teacher Organization

    EIN 061525634 · Headquarters: West Suffield, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Suffield Fc

    EIN 263370838 · Headquarters: Suffield, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Suffield Firefighters Association Inc

    EIN 066045261 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Suffield Foundation for Excellent Schools Inc

    EIN 222789394 · Headquarters: SUFFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Suffield Friends Inc

    EIN 061447097 · Headquarters: Suffield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Suffield High School Parents Association

    EIN 030429062 · Headquarters: Suffield, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Suffield Historical Society

    EIN 066334270 · Headquarters: Suffield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Suffield Lacrosse Association Incorporated

    EIN 471688333 · Headquarters: Suffield, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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