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. Sustain Music and Nature Inc

    EIN 474722702 · Headquarters: Colchester, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Sustainable Construction Funding

    EIN 272535040 · Headquarters: Greenwich, CT, US · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  3. Sustainable Ct Inc

    EIN 824894473 · Headquarters: BOZRAH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Sustainable Southbury

    EIN 871754661 · Headquarters: SOUTHBURY, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Sustainable Westport Inc

    EIN 922390110 · Headquarters: Westport, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Suzanne McGraw Foundation Inc

    EIN 823602412 · Headquarters: Stamford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Suzanne T and Frank W Millard Foundation

    EIN 100000648 · Headquarters: OLD GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  8. Suzuki Association of Mansfield Inc

    EIN 222627070 · Headquarters: Mansfield, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Suzuki Music School of Westport Inc

    EIN 061498198 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Svaa Foundation Inc

    EIN 884404752 · Headquarters: SUFFIELD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Svea Foundation Inc

    EIN 851823287 · Headquarters: Berlin, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Svea Social Club Incorporated

    EIN 060556770 · Headquarters: KENSINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. SVMC Holdings Inc

    EIN 832550272 · Headquarters: Bridgeport, CT, United States · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  14. Sw Ct American Legion Baseball Corp

    EIN 851483233 · Headquarters: SOUTH WINDSOR, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Swag Custom Rides Inc

    EIN 473053663 · Headquarters: NEW BRITAIN, CT, USA · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990

  16. Swami Swatinanda Foundation

    EIN 884105493 · Headquarters: DURHAM, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Swan 42 Class Association

    EIN 203789450 · Headquarters: Redding, CT, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  18. Swan Society Inc

    EIN 061453693 · Headquarters: Shelton, CT, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. Swanson Family Foundation Inc

    EIN 823269994 · Headquarters: MARBLEDALE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. Swasa Inc

    EIN 922161807 · Headquarters: South Windsor, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Swe - Uscga

    EIN 460945194 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  22. Swea International Boston Chapter Co Karin Whiting Burgess

    EIN 042943746 · Headquarters: STONINGTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Swedish Aid Society

    EIN 510188188 · Headquarters: Cheshire, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Swedish Cemetery Inc

    EIN 060715353 · Headquarters: PORTLAND, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Swedish Educational Association of Connecticut Inc

    EIN 342020248 · Headquarters: Guilford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Swedish Singing Society Norden

    EIN 060765408 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Sweet Adelines International

    EIN 061362237 · Headquarters: East Granby, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  28. Sweet Adelines International

    EIN 066099462 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Sweet Adelines International

    EIN 237428379 · Headquarters: New Britain, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Sweet Adelines International

    EIN 800930163 · Headquarters: Glastonbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Sweet Home High School Class of 1980

    EIN 272495918 · Headquarters: MANCHESTER, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  32. Sweet Justice Foundation

    EIN 826746007 · Headquarters: EAST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  33. Sweet Mother Incorporated

    EIN 462932036 · Headquarters: Norwalk, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Sweet Potato Society Inc

    EIN 262138575 · Headquarters: MERIDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sweet Sanctuary an Org Connecting Resources to Save Our Girls

    EIN 834694190 · Headquarters: Farmington, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. Sweet Serenity Center for Humane Education

    EIN 994071539 · Headquarters: oakdale, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Sweetheart Invitational Inc

    EIN 393380414 · Headquarters: New Britain, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Swift Middle School Ptso

    EIN 270585616 · Headquarters: oakville, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Swinging for the Cure Inc

    EIN 200739745 · Headquarters: Orange, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  40. Swith Education & Service

    EIN 465748393 · Headquarters: Hamden, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Sword in the Scroll Fencing Academy Inc

    EIN 474302249 · Headquarters: Willimantic, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Sword Ministries Inc

    EIN 465194832 · Headquarters: Groton, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Swords to Plowshares Northeast Incc

    EIN 861573830 · Headquarters: Hamden, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Sybl Inc

    EIN 202789724 · Headquarters: Salem, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Syd's Book Shack & Boutique

    EIN 862629719 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Sylvan House Inc

    EIN 223201546 · Headquarters: NEW HAVEN, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Sylvia Davis Patricelli Fine Arts Scholarship Inc

    EIN 842785224 · Headquarters: GRANBY, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Symphony on the Sound Inc

    EIN 060950983 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  49. Synchrony Foundation

    EIN 822935158 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Synergy Select Baseball

    EIN 843296744 · Headquarters: Enfield, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Synyouth

    EIN 850501222 · Headquarters: Wilton, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Syriavision

    EIN 465485451 · Headquarters: East Lyme, CT, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. T & B Wolff Family Charitable Foundation

    EIN 222655664 · Headquarters: MANCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. T & M Realty Corporation

    EIN 066071623 · Headquarters: Enfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. T Dog Trumbull Corp

    EIN 274376847 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  56. T I P of Connecticut Inc

    EIN 061326266 · Headquarters: West Hartford, CT, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. T Lawrason Riggs Trust C/o Saint Thomas More Corporation

    EIN 066020522 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. T-8306 Habaneros Order of Quetzalcoatl

    EIN 334311621 · Headquarters: Woodbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Tabernacle of Praise

    EIN 852925887 · Headquarters: New London, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Tabernacle of Praise Prophetic Ministries Inc

    EIN 863991978 · Headquarters: Fairfield, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Tabgha Love Foundation

    EIN 203560881 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  62. Tabitha Yao Foundation Inc

    EIN 863191633 · Headquarters: Bridgeport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Tabor House Inc

    EIN 061328441 · Headquarters: WEST HARTFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990

  64. Tabor Lutheran Cemetery Association Larraine Shepard

    EIN 222666810 · Headquarters: BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Tackle the Storm Foundation

    EIN 452599234 · Headquarters: Farmington, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Taconic Girls Softball Club Inc

    EIN 352200214 · Headquarters: STAMFORD, CT, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  67. Taconic Learning Center Inc

    EIN 061281916 · Headquarters: Lakeville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Taconic Speedskating Inc

    EIN 873611304 · Headquarters: New Canaan, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Tact Inc

    EIN 460541168 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Taemosa Cardiovascular Health Found Ation Inc

    EIN 393614723 · Headquarters: Rocky Hill, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Taftville Fire Company No 2 Incorporated

    EIN 061100672 · Headquarters: Taftville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Tagd

    EIN 451257471 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  73. Taggart Pipes and Drums

    EIN 061535289 · Headquarters: Deep River, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  74. Tai Family Foundation Inc

    EIN 332344583 · Headquarters: Darien, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. Tail to Paw Animal Support

    EIN 813751505 · Headquarters: EAST HAVEN, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Tailors Wildlife Rehabilitation Sanctuary Inc

    EIN 264745207 · Headquarters: Stamford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Tails

    EIN 061616864 · Headquarters: WESTPORT, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Tails of Courage Inc

    EIN 271184731 · Headquarters: DANBURY, CT, USA · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990

  79. Tails of Joy Inc

    EIN 061510801 · Headquarters: MANCHESTER, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Taiwanese Association of Connecticut

    EIN 204759376 · Headquarters: Glastonbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Take a Chance Foundation Inc

    EIN 461099431 · Headquarters: Norwalk, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Take A Vet Fishing Inc

    EIN 834373970 · Headquarters: Branford, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Take Charge Total Wellness Foundation Inc

    EIN 851472812 · Headquarters: BLOOMFIELD, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  84. Take Note Ltd

    EIN 562447194 · Headquarters: Storrs, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Take the Field Inc C/o the William & Mary Greve Foundation

    EIN 134099560 · Headquarters: NORFOLK, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Take Up Your Mantle Challenge Inc

    EIN 331595469 · Headquarters: WETHERSFIELD, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Taking It To The Streets Inc C/o Tracy Baumer

    EIN 333390596 · Headquarters: Darien, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Taking Matters in My Hands Organization Corp

    EIN 842061989 · Headquarters: Waterbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Taking My Nation Ministries - Ministerios Tomando Mi Nacion

    EIN 464596319 · Headquarters: WEST HARTFORD, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Talcott Encore

    EIN 821811637 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Talcott Mountain Agility Club Inc

    EIN 383661229 · Headquarters: SOUTH WINDSOR, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Talcott Mountain Science Center for Student Involvement Inc

    EIN 060860469 · Headquarters: AVON, CT, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Talias Hope for Hearts Inc

    EIN 394394867 · Headquarters: West Hartford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Talk-truth in Action Wit Love & Kindness

    EIN 822553736 · Headquarters: S GLASTONBURY, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Talking Pages Inc

    EIN 113693707 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Talkondiabetes Foundation

    EIN 274408987 · Headquarters: NEWTOWN, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Tall Cedars of Lebanon of North America

    EIN 237224219 · Headquarters: Bolton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Tall Cedars of Lebanon of North America

    EIN 237590796 · Headquarters: Coventry, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Tall Group Incorporated

    EIN 271393031 · Headquarters: Bozrah, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  100. Tam Cam Foundation Inc

    EIN 061386083 · Headquarters: Greenwich, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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