Nonprofits in Greenwich, Connecticut

Nonprofits in Greenwich, Connecticut. Browse 725 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. Society of the Cincinnati in the State of Connecticut

    EIN 066047355 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  2. Soderstrom Scholars Fund Inc

    EIN 882809697 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Soldiers for the Truth Foundation

    EIN 311592564 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Sos Eb Kids Corp

    EIN 474973411 · Headquarters: Greenwich, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. Sound Shore Foundation

    EIN 222777141 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  6. Sound Shore Pickleball League Inc

    EIN 992394207 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Special Education Legal Fund Inc

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

  8. Stamford Junior Wrestling Club Inc C/o Politi & Magnifico Llc

    EIN 331196396 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  9. Stamford Youth Soccer League

    EIN 061004370 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Stanwich Club Inc Supplemental Unemploym Benefits Plan & Trust

    EIN 846701488 · Headquarters: GREENWICH, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Steamboat Foundation Inc

    EIN 412114837 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  12. Steep Rock Arts Association Co C/o Erika Klauer

    EIN 203065933 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Steeple Chase Farm Foundation

    EIN 261572254 · Headquarters: Greenwich, CT, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  14. Sterling Care Foundation Inc

    EIN 822684838 · Headquarters: Greenwich, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Sterling Road Association Inc

    EIN 061260521 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Steven C Klausner Charitable Trust

    EIN 836745616 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Stone Point Capital Foundation Inc

    EIN 061591956 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. 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

  19. Sustainable Construction Funding

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

  20. 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

  21. Tabgha Love Foundation

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

  22. Talking Pages Inc

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

  23. 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

  24. Tamarack Country Club Inc

    EIN 060614943 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Taras Path

    EIN 223789099 · Headquarters: Greenwich, CT, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Teensgiv Foundation Inc

    EIN 824155036 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  27. Temple Sholom Inc

    EIN 060702619 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. Thanksgiving in Harlem Corporation

    EIN 884349258 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. The 9-11 Legacy Foundation Inc C/o Juerg Heim - Ivey Barnum & Omara

    EIN 994471014 · Headquarters: GREENWICH, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. The Aaron and Betty Lee Stern Foundation

    EIN 270771357 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. The Ae Family Foundation

    EIN 133317246 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. The Alec and Tamar Ellison Family Foundation

    EIN 134148789 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. The Alfa Foundation

    EIN 137228276 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. The Allwin Family Foundation

    EIN 137088461 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. The Alopeace Project Corp

    EIN 870853273 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  36. The Anikstein Family Fund Inc

    EIN 821984948 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. The Aryn and Matthew Grossman Foundation

    EIN 137437176 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  38. The Ask Family Foundation C/o Angeles Z Kozlowski Trustee

    EIN 061602889 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. The Bailiwick Club Inc

    EIN 060879602 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. The Bakes Family Foundation Inc

    EIN 010565588 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  41. The Beljanski Foundation Inc

    EIN 134086570 · Headquarters: GREENWICH, CT, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. The Belle Haven Club Inc

    EIN 060255690 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. The Berkley Foundation for Historical Books and Documents

    EIN 995033731 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. The Bigs Foundation Inc

    EIN 814743120 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  45. The Biondi Family Foundation

    EIN 061621058 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  46. The Black Fives Foundation

    EIN 461925488 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. The Bondi Foundation

    EIN 134015931 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. The Boost Program

    EIN 874667878 · Headquarters: Greenwich, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. The Brant Foundation Inc

    EIN 061470051 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. The Center for International Rule O F Law Inc

    EIN 412741542 · Headquarters: Greenwich, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. The Charles M and Lisa L Daugherty Charitable Foundation

    EIN 061499699 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  52. The Childrens Education Foundation

    EIN 550914080 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  53. The Christian and Katharine Roth Family Foundation

    EIN 462942236 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. The Circularity Project Inc

    EIN 991644486 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. The Colonial Fund C/o Jat Capital Partners Lp

    EIN 274349512 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  56. The Committee to Reduce Infection Deaths Inc

    EIN 202479678 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. The Common Sense Fund Inc

    EIN 133157570 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  58. The Cory and Bob Donnalley Charitable Foundation Inc

    EIN 061074091 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. The Crusaders Purple Reign of the Hardwood Foundation

    EIN 826632294 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990

  60. The David and Karen Pecker Foundation

    EIN 161539044 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. The Donald M Kendall Sr and Sigrid Rvc Kendall Foundation

    EIN 464355018 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. The Dorsky Foundation Inc

    EIN 136121016 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  63. The Eagle Foundation Inc

    EIN 061442187 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  64. The Elinor Patterson Baker Foundation

    EIN 066276403 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. The Elkind-lai Family Foundation

    EIN 204753190 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  66. The Ellen and Gary Davis Foundation

    EIN 061357318 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. The Fearless Angel Project Inc

    EIN 473803382 · Headquarters: GREENWICH, CT, USA · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  68. The Feinberg Family Foundation

    EIN 061485274 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. The Fibrolamellar Cancer Foundation

    EIN 270341021 · Headquarters: GREENWICH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The Field Club of Greenwich Incorporated

    EIN 060342220 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Finninsula Foundation Inc Co Ted Sandler

    EIN 061560044 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. The Georges Family Foundation Inc C/o Andrew S Georges

    EIN 061533597 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. The Giammalva Family Foundation Inc

    EIN 261580385 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  74. The Gilbert Family Foundation

    EIN 043732752 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. The Greenwich Association of Realtors Community Foundation Inc

    EIN 932450881 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The Greenwich Decorative Arts Society Incorporated

    EIN 061385779 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. The Greenwich Hospital Endowment Fund Inc

    EIN 061526642 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. The Greenwich Land Trust Inc

    EIN 060950851 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. The Greenwich Leadership Forum Inc

    EIN 201622122 · Headquarters: GREENWICH, CT, USA · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  80. The Greenwich Library

    EIN 066002281 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The Greenwich Tree Conservancy Inc

    EIN 208181832 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. The Grey Street Foundation Inc

    EIN 200921905 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. The Gusti Brandt Foundation

    EIN 136185337 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. The Henry Gustav Floren Foundation

    EIN 066503521 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  85. The Higgins Family Foundation

    EIN 137201038 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. The Indian Harbor Yacht Club Incorporated

    EIN 060400220 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  87. The Irish American Museum of Washington DC Inc

    EIN 134354547 · Headquarters: Greenwich, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990

  88. The Ivanhoe Charitable Foundation Inc

    EIN 465562336 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. The James and Sophie Zimmerman Family Foundation Inc

    EIN 853670540 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  90. The Jane and Daniel Och Family Foundation

    EIN 263791338 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. The Jarnstedt Foundation

    EIN 030429066 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  92. The Jasper Home Foundation Inc

    EIN 825246041 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  93. The Jdj Charitable Trust

    EIN 137239304 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. The Jean I & Charles H Brunie Foundation

    EIN 133384777 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  95. The Jean Whyte Mohr and Frank T Mohr Charitable Trust

    EIN 363649835 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  96. The Jesse Bayer Foundation C/o Robert Bayer

    EIN 133369906 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. The John and Diana Nicholson Foundation C/o John P Nicholson Jr

    EIN 043792876 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. The John D & Barbara G Collins Foundation UA DTD 5221997

    EIN 066447348 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  99. The John Endicott Lovell Foundation Inc

    EIN 473105733 · Headquarters: Greenwich, CT, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  100. The Jones Foundation Inc

    EIN 041440413 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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