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. Sports 2 Reality Inc

    EIN 934625793 · Headquarters: BLOOMFIELD, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Sports for All

    EIN 991974657 · Headquarters: ENFIELD, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Sports Youth Fund Inc

    EIN 881750983 · Headquarters: Westport, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Sportsometry Inc

    EIN 200846111 · Headquarters: FAIRFIELD, CT, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Spot on Pottery Inc

    EIN 824510614 · Headquarters: Fairfield, CT, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Spotty Dog Rescue Inc

    EIN 461056652 · Headquarters: BRISTOL, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Sprague Rod & Gun Club Inc

    EIN 060636979 · Headquarters: BALTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Sprague School Pto Inc

    EIN 832784465 · Headquarters: Waterbury, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  9. Spraque-franklin Soccer Club

    EIN 061600625 · Headquarters: Versailles, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Spread His Love Inc

    EIN 262595697 · Headquarters: west haven, CT, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Spreadmusicnow Inc

    EIN 830713289 · Headquarters: REDDING, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Spring Autumn Foundation Inc

    EIN 203901524 · Headquarters: STRATFORD, CT, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  13. Spring Glen Civic Association Inc

    EIN 061207424 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Spring Glen School Pta

    EIN 061245115 · Headquarters: Hamden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Spring Grove Cemetery Association

    EIN 060545670 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Spring Grove Cemetery Association

    EIN 060660457 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  17. Spring Lake Productions Inc

    EIN 061025157 · Headquarters: Bridgewater, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Spring Mountain Benefit Corp

    EIN 462999325 · Headquarters: Naugatuck, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Springdale Elementary School Pto

    EIN 223485611 · Headquarters: Stamford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Springdale Fire Company Inc

    EIN 060545784 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  21. Springdale Neighborhood Association Inc

    EIN 061456237 · Headquarters: Stamford, CT, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Springfield Kennel Club Inc

    EIN 900609146 · Headquarters: SIMSBURY, CT, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  23. Springfield Tennis Club Inc

    EIN 042799010 · Headquarters: Enfield, CT, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  24. Springriver Private Foundation Trust C/o Harperwhitfield Pc Rebecca Zappone

    EIN 471760399 · Headquarters: FARMINGTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Springwall Learning Solutions

    EIN 462894690 · Headquarters: Cheshire, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Sprite Island Yacht Club Inc

    EIN 060674079 · Headquarters: NORWALK, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. Squadron Line Parent Teacher Organization

    EIN 274716886 · Headquarters: SIMSBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Squantz Engine Company of New Fairfield Incorporated

    EIN 320486306 · Headquarters: New Fairfield, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Square One Theatre Company

    EIN 223089503 · Headquarters: STRATFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  30. Square Up for Others Inc

    EIN 872287088 · Headquarters: Bridgeport, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Squash Haven Inc

    EIN 205500876 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Squashbridge Inc

    EIN 933309407 · Headquarters: BRIDGEPORT, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Squeaky Wheel Productions

    EIN 134273976 · Headquarters: Trumbull, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Sri Guru Ramdas Darbar Inc

    EIN 463868373 · Headquarters: windsor, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sri Lanka Care Foundation

    EIN 043806885 · Headquarters: New Fairfield, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  36. St Andrews Masonic Temple Association Inc

    EIN 061286687 · Headquarters: WINSTED, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. St Andrews Tabernacle of Praise Inc

    EIN 753140829 · Headquarters: ANSONIA, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. St Ann Society of Norwalk Inc

    EIN 061535851 · Headquarters: Norwalk, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. St Barbara Greek Orthodox Church Endowment Fund Inc

    EIN 263839050 · Headquarters: ORANGE, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. St Camillus Health Center Inc

    EIN 061241201 · Headquarters: Bridgport, CT, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. St Casimirs Lithuanian Society Inc

    EIN 060643181 · Headquarters: WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. St Catherine Center for Special Needs Inc

    EIN 472207552 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. St Clement's Foundation

    EIN 061435991 · Headquarters: PORTLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-T

  44. St Dimitrie Church Memorial Endowment Fund Trust

    EIN 817098057 · Headquarters: TRUMBULL, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. St Francis Home for Children Inc

    EIN 060646814 · Headquarters: HARTFORD, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990

  46. St Francis Naggalama Hospital Uganda Inc

    EIN 831388316 · Headquarters: STAMFORD, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. St Gerard's Center for Life Inc

    EIN 364549329 · Headquarters: HARTFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. St Giles Society for the Preservation of Historic Churches

    EIN 251377180 · Headquarters: Darien, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  49. St Huberts Foundation Charitable Trust U/a Dtd 2/28/97

    EIN 066442590 · Headquarters: NEWTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  50. St Ignatius Fund Inc

    EIN 611456752 · Headquarters: Stamford, CT, USA · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990

  51. St James Building Assoc K of C

    EIN 060770922 · Headquarters: stratford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  52. St James Habitat

    EIN 412188150 · Headquarters: Stratford, CT, US · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  53. St Jeanne Jugan St Vincent De Paul Hf Inc

    EIN 844199760 · Headquarters: ENFIELD, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. St John the Baptist Greek Catholic Cemetery Assoc Inc

    EIN 060617397 · Headquarters: STRATFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. St John Urban Development Corporation

    EIN 060834802 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. St John's Housing Corporation

    EIN 060950850 · Headquarters: TOLLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. St Johns Childcare Center Inc

    EIN 454672266 · Headquarters: BRIDGEPORT, CT, USA · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990

  58. St Johns Episcopal Church Samuel M Hayden Fund Trust UW of Mary F E

    EIN 466566409 · Headquarters: Essex, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. St Johns Family Center Inc

    EIN 061528785 · Headquarters: BRIDGEPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. St Johns Foundation Inc

    EIN 474806777 · Headquarters: Washington, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. St Johns Lodge 14 F&am Inc

    EIN 237636194 · Headquarters: Stamford, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. St Joseph Polish Society of Colchester Incorporated

    EIN 060660460 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. St Jude Childrens Charities Inc

    EIN 061427042 · Headquarters: NEW CANAAN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. St Jude Housing Corporation

    EIN 222578187 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. St Lucian's Residence Inc

    EIN 061520463 · Headquarters: New Britain, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  66. St Lucy of Sircusa Mutual Benefit

    EIN 061071984 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. St Luke's Community Services Foundation Inc

    EIN 061496006 · Headquarters: STAMFORD, CT, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990

  68. St Luke's Senior Housing Inc

    EIN 300303186 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. St Lukes Development Corporation

    EIN 061509394 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. St Lukes Lodge 48

    EIN 066042401 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. St Lukes Services Inc

    EIN 061398816 · Headquarters: MILFORD, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. St Lukes Steelband Inc

    EIN 882380013 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. St Margaret Willow Plazanrz Assoc Inc

    EIN 300196431 · Headquarters: WATERBURY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. St Marks Day-care Center Inc

    EIN 060862926 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. St Martin De Porres Academy Inc

    EIN 810666655 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. St Martins Medical Training & Outreach Center Inc

    EIN 061544485 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  77. St Mary School Development Fund

    EIN 066405495 · Headquarters: GRANBY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. St Mary's Hospital Foundation Inc

    EIN 222528400 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. St Marys Catholic Club Inc

    EIN 066045194 · Headquarters: Meriden, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. St Marys German Heritage Society Inc

    EIN 852858734 · Headquarters: Meriden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. St Matthew Baptist Church

    EIN 471234229 · Headquarters: BRIDGEPORT, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. St Matthew Ufw Baptist Church

    EIN 061095028 · Headquarters: NEW HAVEN, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  83. St Monicas Development Corp Inc

    EIN 061209241 · Headquarters: Hartford, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. St Padrepio Foundation Inc

    EIN 813296852 · Headquarters: STAMFORD, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. St Paul Foundation Inc

    EIN 593813991 · Headquarters: FAIRFIELD, CT, USA · Religion Related · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  86. St Paul's Housing Corporation

    EIN 237158724 · Headquarters: SOUTHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. St Paul's Nursery School Inc

    EIN 061216077 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. St Pauls - Darien Trust Inc

    EIN 452663036 · Headquarters: Darien, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. St Pauls Center of New York Inc

    EIN 134157757 · Headquarters: Old Greenwich, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. St Peter & St Paul Benevolent Association of Ansonia CT

    EIN 066049465 · Headquarters: Ansonia, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. St Peter Drum Corp Inc

    EIN 237315026 · Headquarters: new hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. St Peter's Cemetary Improvement Associa

    EIN 060737770 · Headquarters: AMSTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. St Peters Society

    EIN 066049405 · Headquarters: KENSINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. St Peters Temple Association Inc of New Milford

    EIN 237425468 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. St Regis Foundation Inc

    EIN 223299179 · Headquarters: New Haven, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. St Therese Lisieux Council 8013

    EIN 364779832 · Headquarters: TRUMBULL, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. St Therese of Lisieux Foundation Inc

    EIN 883565945 · Headquarters: TRUMBULL, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. St Thomas Day School Inc

    EIN 060736072 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. St Thomas More Foundation Corporation

    EIN 472785168 · Headquarters: DARIEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. St Thomas More School Inc

    EIN 060876084 · Headquarters: Oakdale, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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