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. Southington Soccer Club Inc

    EIN 010861999 · Headquarters: SOUTHINGTON, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Southington Southern Youth Athletic

    EIN 061319673 · Headquarters: SOUTHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Southington Sportsmen Association

    EIN 222485538 · Headquarters: SOUTHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Southington Storytime Sponsors

    EIN 992199640 · Headquarters: Southington, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Southington Symphonic Band

    EIN 922401812 · Headquarters: Southington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Southington United Soccer Club

    EIN 341991533 · Headquarters: Forestville, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  7. Southington Valley Midget Football Association

    EIN 954898381 · Headquarters: Southington, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Southington Water Upseu Union

    EIN 275159017 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Southington Youth Soccer League Inc

    EIN 813157176 · Headquarters: Southington, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Southington-cheshire Community Ymca

    EIN 060646905 · Headquarters: SOUTHINGTON, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Southmayd Home Inc

    EIN 060646903 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Southport Area Association Inc

    EIN 066054529 · Headquarters: SOUTHPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Southport Area Fund

    EIN 222599664 · Headquarters: SOUTHPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Southport Sailing Foundation Inc

    EIN 270040307 · Headquarters: Fairfield, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Southport Spire Fund Inc

    EIN 461235902 · Headquarters: SOUTHPORT, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Southport Volunteer Fire Department

    EIN 066051684 · Headquarters: SOUTHPORT, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990

  17. Southside Institutions Neighborhood Alliance Inc

    EIN 060993174 · Headquarters: Hartford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Southsouthwest Elderly Housing Corporation Inc

    EIN 061172515 · Headquarters: HARTFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Southwest Community Health Center Inc

    EIN 061023013 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Southwest Conservation District Inc

    EIN 060918194 · Headquarters: Hamden, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Southwest Family Empowerment Center

    EIN 882208324 · Headquarters: Hartford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Southwest Regional Mental Health Board Inc

    EIN 060935934 · Headquarters: NORWALK, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990

  23. Southwestern Ahec Inc

    EIN 061615577 · Headquarters: SHELTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Southwestern Connecticut Emergency Med Serv Adv Council Inc

    EIN 060950201 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Southwestern Connecticut Scouting Heritage Museum

    EIN 460905040 · Headquarters: Milford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Southwestern Connecticut Transit Equity Foundation

    EIN 333173565 · Headquarters: Milford, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Southwestern Ct Agency on Aging Inc

    EIN 060916407 · Headquarters: BRIDGEPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Southwestern Regional Communications Center Inc

    EIN 061135253 · Headquarters: SHELTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Southwick Foundation Inc

    EIN 061048850 · Headquarters: OLD LYME, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  30. Southwick Hybrids

    EIN 815356598 · Headquarters: Broad Brook, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  31. Souvenir Collective Inc

    EIN 394274885 · Headquarters: Stamford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Sovereign Land Trust Inc

    EIN 992746493 · Headquarters: Bridgeport, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Sovereign Nurses of the Universe Inc

    EIN 991616506 · Headquarters: Waterbury, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Sovereign Order of the Knights of Justice Foundation

    EIN 980434691 · Headquarters: New Britain, CT, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Space-ship Inc

    EIN 824433904 · Headquarters: BRANFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990

  36. Spanish American League of Social a Ctivities Inc

    EIN 393842157 · Headquarters: Waterbury, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Spanish American Merchants Association Inc

    EIN 061390672 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Spanish Water Dog Club Incorporated

    EIN 202415570 · Headquarters: Guilford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Spark Foundation Incorporated

    EIN 822511913 · Headquarters: New London, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  40. Spark Makerspace Co

    EIN 475056168 · Headquarters: New London, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Spark Nonprofit Inc

    EIN 994652841 · Headquarters: Easton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Spark Your Heart

    EIN 451065868 · Headquarters: Westport, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Spartan Nation Youth League Inc

    EIN 412317877 · Headquarters: orange, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Spartan Youth Wrestling

    EIN 834410574 · Headquarters: Somers, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Spay and Neuter Association of Newtown Inc

    EIN 061074334 · Headquarters: Newtown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Speak Out Against Racism Inc

    EIN 061408632 · Headquarters: NEW HAVEN, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Special Days for Special Needs

    EIN 061450114 · Headquarters: Danielson, CT, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  48. Special Education Equity for Kids of Connecticut Inc

    EIN 821559291 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Special Education Legal Fund Inc

    EIN 831467673 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Special Needs Senoir Dog Sanctuary Inc

    EIN 845076608 · Headquarters: STAMFORD, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Special Olympics Connecticut Inc

    EIN 237099756 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Special Ones Foundation Incorporated

    EIN 853495805 · Headquarters: STAMFORD, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Special Operations Services Inc C/o David Diaz

    EIN 842798001 · Headquarters: EAST HAVEN, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Special Wishes Inc

    EIN 222776048 · Headquarters: Oakville, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Specs for Little Heroes Inc

    EIN 454607866 · Headquarters: Ellington, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Spectrum in Motion Dance Theater Ensemble Inc

    EIN 262413622 · Headquarters: Hartford, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Spectrum of Light Inc

    EIN 392613975 · Headquarters: Madison, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Spectrum Vending

    EIN 991690077 · Headquarters: ORANGE, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Sped Net Special Education Network Ltd

    EIN 550804416 · Headquarters: NORWALK, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Sped Net Special Education Network of New Canaan Ltd

    EIN 043732899 · Headquarters: new canaan, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  61. Spedconnecticut Inc

    EIN 066069210 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Speerhead Theatricals Inc

    EIN 454881737 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  63. Spencer Historical and Genealogical Society Inc

    EIN 320512974 · Headquarters: MERIDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Spencers Additional Continental Regiment Incorporated

    EIN 881565905 · Headquarters: Canaan, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Spg Foundation Inc

    EIN 883969287 · Headquarters: SHELTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sphere Consortium Inc

    EIN 237014582 · Headquarters: Suffield, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  67. Sphere Inc

    EIN 222968009 · Headquarters: RIDGEFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Sphinx Shriners

    EIN 060544940 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Sphinx Shriners Main Return

    EIN 510220492 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  70. Spicy Paws Wildlife Rehab

    EIN 920552056 · Headquarters: Moosup, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Spidacares Inc

    EIN 833656831 · Headquarters: OLD GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. Spina Bifida Association of Connecticut Inc

    EIN 061329263 · Headquarters: Portland, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Spinal Cord Injury Association of CT a Chapter of United Spinal Inc

    EIN 060960389 · Headquarters: Milford, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Spinner Family Charitable Foundatio

    EIN 824615547 · Headquarters: NEWTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. Spiralis Music Trust Uad 08-08-03

    EIN 116588142 · Headquarters: FAIRFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  76. Spirit Cheer Association Inc

    EIN 871880664 · Headquarters: NORWALK, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Spirit Horse Therapeutic Riding Center

    EIN 460782748 · Headquarters: CANTON, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Spirit Improv Ltd

    EIN 113526167 · Headquarters: Westport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. Spirit Lake Inc

    EIN 204152154 · Headquarters: Ledyard, CT, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  80. Spirit of CJ Foundation Co Carrozzella

    EIN 571189822 · Headquarters: Wallingford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  81. Spirit of Giving Inc

    EIN 263829429 · Headquarters: MERIDEN, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Spirit of Meriden Flight Club Inc

    EIN 841842012 · Headquarters: Orange, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Spirit of Shea Inc

    EIN 333841756 · Headquarters: Falls Village, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Spirit Road Church

    EIN 824015045 · Headquarters: GALES FERRY, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Spirit Wind Center Inc

    EIN 471478737 · Headquarters: Stonington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Spirithorse Therapeutic Riding Center

    EIN 275522080 · Headquarters: Stafford Springs, CT, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  87. Spiritist Society of Bridgeport Inc

    EIN 263405001 · Headquarters: Trumbull, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Spiritual Center of Southport Inc

    EIN 920241453 · Headquarters: SOUTHPORT, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Spiritual Life Center Inc

    EIN 061606685 · Headquarters: Hartford, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Spiritual Renewal Center Inc

    EIN 465283907 · Headquarters: Coventry, CT, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  91. Spiritualist Church of Peace & Light

    EIN 275535003 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. SPIROL International Charitable Foundation Inc

    EIN 510494974 · Headquarters: Danielson, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. Splar Foundation Inc

    EIN 100005892 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  94. Splash at Yale

    EIN 463870580 · Headquarters: NEW HAVEN, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Splash Classic Inc

    EIN 205697649 · Headquarters: NEW LONDON, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  96. Split Knuckle Theatre Company

    EIN 221222656 · Headquarters: New Haven, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  97. Sport Academy EST 2013 Inc

    EIN 813985054 · Headquarters: Hamden, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Sporting Arms and Ammunition Manufacturers' Institute Inc

    EIN 204993541 · Headquarters: SHELTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Sportmens Athletic Club of Hartford Ct Inc

    EIN 061019167 · Headquarters: Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Sports & Leisure Social Club

    EIN 833136948 · Headquarters: Bristol, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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