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. Scsu Rfc

    EIN 332697753 · Headquarters: DURHAM, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Scuba Dot Tech Incorporated

    EIN 991352552 · Headquarters: Danbury, CT, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Scuba Educational Alliance of Connecticut Inc

    EIN 883635572 · Headquarters: Glastonbury, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Scully-greene-dunn Family Association

    EIN 061468487 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Sdw International Foundtion Inc

    EIN 991320552 · Headquarters: ELLINGTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Sea Cove Foundation Inc

    EIN 471914807 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Sea Life Foundation Inc

    EIN 394778416 · Headquarters: STONINGTON, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sea Research Foundation Inc

    EIN 061480300 · Headquarters: MYSTIC, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Sea-legs Inc

    EIN 043420792 · Headquarters: NEW LONDON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. Seabase 1 Corp

    EIN 270356308 · Headquarters: NIANTIC, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Seabird Enterprises Inc

    EIN 222533753 · Headquarters: GROTON, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Seabury Academy of Music and the Arts Inc

    EIN 264709777 · Headquarters: NORWALK, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  13. Seabury at Home Incorporated

    EIN 205096169 · Headquarters: BLOOMFIELD, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  14. Seabury Charitable Foundation Inc

    EIN 061458630 · Headquarters: BLOOMFIELD, CT, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. Seabury Inc

    EIN 842187536 · Headquarters: BLOOMFIELD, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Seabury Memory Care Center Inc

    EIN 200158017 · Headquarters: BLOOMFIELD, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2014 · Primary form: IRS Form 990

  17. Seabury Residents Association Inc

    EIN 881948647 · Headquarters: BLOOMFIELD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Seabury Society for the Glebe House Inc

    EIN 060653106 · Headquarters: WOODBURY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Seacoast Youth Chorale Inc

    EIN 883756477 · Headquarters: Niantic, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Seacorp Inc

    EIN 061078755 · Headquarters: NORWICH, CT, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990

  21. Sean Bertanza Foundation Inc

    EIN 463921732 · Headquarters: Seymour, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Sean Darmody Greene Social Justice Scholarship

    EIN 832401568 · Headquarters: HADDAM, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Sean M Healey Memorial Fund

    EIN 882645208 · Headquarters: South Windsor, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Seans Path Inc

    EIN 920512059 · Headquarters: Newtown, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Seaport Heights Homeowners Association Inc

    EIN 061111435 · Headquarters: Mystic, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Seat Foundation Inc

    EIN 920975861 · Headquarters: New Haven, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Seaview Avenue Business Alliance Inc

    EIN 061480614 · Headquarters: BRIDGEPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. Sebastiano Ambrogio Charitable Foundation Inc

    EIN 203258036 · Headquarters: WETHERSFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  29. Secoast Inc

    EIN 823362191 · Headquarters: Old Lyme, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. Second Armored Division Association

    EIN 953312773 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  31. Second Century Fund Inc of Beta

    EIN 061389750 · Headquarters: BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. Second Chance Animal Rescue of Ct

    EIN 332930425 · Headquarters: BETHEL, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Second Chance Educational Alliance Inc

    EIN 811725510 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  34. Second Chance Ranch Inc

    EIN 043388369 · Headquarters: West Suffield, CT, USA · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  35. Second Chance Re-entry Initiative Program

    EIN 842846352 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  36. Second Company Governors Foot Guard Association Inc

    EIN 202278077 · Headquarters: Branford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Second Company Governors Horse Guard

    EIN 222786804 · Headquarters: Newtown, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Second Hill Lane Pto

    EIN 814828522 · Headquarters: Stratford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Second Hill Pta

    EIN 060994108 · Headquarters: Stratford, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  40. Second New Light Original Free Will Baptist Church

    EIN 222996363 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Second Nurture

    EIN 810898315 · Headquarters: Glastonbury, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Second Start Inc

    EIN 853784022 · Headquarters: Meriden, CT, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Section of Dermatology of Ct

    EIN 061377256 · Headquarters: PLANTSVILLE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Securing Advocacy for Everyone Inc

    EIN 204568822 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Securing Safe Food Corporation

    EIN 852281438 · Headquarters: Glastonbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Security Traders Assoc of Ct

    EIN 060970374 · Headquarters: Wilton, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Sedgwick Cedars Corporation

    EIN 474242266 · Headquarters: West Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  48. See Art Now Inc

    EIN 854371927 · Headquarters: Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. See Hockey Boosters Inc

    EIN 061329078 · Headquarters: ELLINGTON, CT, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  50. See Me Inc

    EIN 272305103 · Headquarters: East Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  51. See Me Well Foundation Inc

    EIN 934467326 · Headquarters: Bridgeport, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. See Tritown Booster Club

    EIN 473029573 · Headquarters: Ellington, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Seed for the Cities

    EIN 260429398 · Headquarters: Stamford, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Seed to Harvest Inc

    EIN 831890246 · Headquarters: New Britain, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Seedlings Foundation

    EIN 043600502 · Headquarters: BRANFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Seeds of Hope for Haiti Inc

    EIN 822194436 · Headquarters: SOUTHBURY, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Seeds to Share Inc

    EIN 463356526 · Headquarters: Wolcott, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Seefood Media Foundation

    EIN 454469936 · Headquarters: New Milford, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Seichprey Post No 296 Veterans of Foreign Wars of the United States

    EIN 060836881 · Headquarters: Winsted, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Seiu Local 2001 Montville Secretaries

    EIN 884252809 · Headquarters: OAKDALE, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Seizethefacts Org Inc

    EIN 452147421 · Headquarters: Plainfield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Sekolo Projects Inc

    EIN 800115298 · Headquarters: Old Greenwich, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  63. Selah Fellowship Inc

    EIN 333160487 · Headquarters: New Britain, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Self Care for Recovery

    EIN 873187040 · Headquarters: Greenwich, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Self Inc

    EIN 061240040 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Selkowitz Family Foundation

    EIN 061599301 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Sellecks Corners Cemetery Association Inc

    EIN 066051213 · Headquarters: New Canaan, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Semia Stem Outreach Corporation

    EIN 830805581 · Headquarters: Ridgefield, CT, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Send Children to School Foundation Inc

    EIN 510617636 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Senior Board of Retirees Inc

    EIN 061525055 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Senior Center of New Canaan Inc

    EIN 061220104 · Headquarters: NEW CANAAN, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Senior Citizen Organization of Greenwich Inc

    EIN 061498219 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Senior Citizens Center of Willimantic Inc

    EIN 060904484 · Headquarters: Willimantic, CT, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. Senior Citizens of Avon

    EIN 222481030 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Senior Citizens of Granby Inc

    EIN 341976361 · Headquarters: Granby, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Senior Citizens of Newington

    EIN 800553283 · Headquarters: NEWINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  77. Senior Fall Prevention Institute Inc

    EIN 453173023 · Headquarters: STAMFORD, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Senior Friends of Hebron

    EIN 453001036 · Headquarters: Hebron, CT, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. Senior Golfers of Connecticut Inc

    EIN 061322716 · Headquarters: WEST HAVEN, CT, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  80. Senior Mens Association of Stamford Inc

    EIN 030579024 · Headquarters: STAMFORD, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Senior Transportation Services Inc

    EIN 061043430 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Senior West Hartford Advocacy Team

    EIN 061566253 · Headquarters: West Hartford, CT, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Senior Wish Society Inc

    EIN 061626583 · Headquarters: MILFORD, CT, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  84. Senior Wishes Ct Inc

    EIN 862409815 · Headquarters: milford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Seniorcenterct Corp

    EIN 392934462 · Headquarters: LISBON, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Seniors Have Dreams Too Inc

    EIN 061805892 · Headquarters: Wallingford, CT, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Seniors Job Bank Inc

    EIN 364748147 · Headquarters: West Hartford, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Sensations Charitable Foundation Inc

    EIN 270861497 · Headquarters: EAST HADDAM, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  89. Sensory Play Center Inc

    EIN 392235856 · Headquarters: Shelton, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Sent to Serve Inc

    EIN 261501676 · Headquarters: Groton, CT, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  91. Sentinel Charitable Alliance Inc

    EIN 934621310 · Headquarters: WATERTOWN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Seoul National University Alumni Association in USA

    EIN 822338416 · Headquarters: AVON, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Sequassen Alumni Association Inc

    EIN 463127875 · Headquarters: Wallingford, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Sequin Building Association of Newington Connecticut Inc

    EIN 066062878 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Serenity Farm Horse Rescue Inc

    EIN 842707460 · Headquarters: WOODBURY, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Serenity Project Inc

    EIN 873394355 · Headquarters: REDDING, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Serenity Ranch

    EIN 933912363 · Headquarters: Lisbon, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Sergeant William Harlow Family Association Inc

    EIN 020452053 · Headquarters: Hawleyville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Seriousfun Children's Network

    EIN 311794455 · Headquarters: NORWALK, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Serra Club of Bridgeport

    EIN 473414476 · Headquarters: Bethel, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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