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. Ghs Band Boosters Inc % Christine Rothstein

    EIN 943487644 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Ghs Water Polo Boosters Inc

    EIN 920367510 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Girlgolf Inc

    EIN 933388376 · Headquarters: GREENWICH, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Girls With Impact Inc

    EIN 831742762 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Giving Through Smiles Inc

    EIN 800711278 · Headquarters: GREENWICH, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Glenville Child Care Inc

    EIN 061324918 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Glenville Mavericks Inc

    EIN 274398285 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Glenville Preservation Association

    EIN 593815385 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. Glenville School PTA

    EIN 060994137 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Glenville Volunteer Fire Co Inc

    EIN 061037602 · Headquarters: GREENWICH, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990

  11. Glenville Volunteer Fire Co No1 Inc

    EIN 161771782 · Headquarters: GREENWICH, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Global Citizens Initiative Inc

    EIN 461850022 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Global Foundation for Eating Disorders

    EIN 452259001 · Headquarters: GREENWICH, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  14. Global Lyme Alliance Inc

    EIN 061559393 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Global Teacher Education Inc

    EIN 453744289 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  16. Goergen Sculpture & Art Foundation Inc

    EIN 464665316 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  17. Gold Coast Ministries Inc

    EIN 831976449 · Headquarters: Greenwich, CT, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Golden Lights Foundation

    EIN 874772093 · Headquarters: Greenwich, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Gosin Family Foundation

    EIN 357267412 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Great Council of the United States Improved Order of Red Men

    EIN 061073713 · Headquarters: GREENWICH, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  21. Greater Inner City Schools Inc

    EIN 203284191 · Headquarters: GREENWICH, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Green Fingers Garden Club Inc

    EIN 061507939 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Greenwich Academy Inc

    EIN 060653118 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Greenwich Alliance for Education Inc

    EIN 204356460 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Greenwich Art Society Inc

    EIN 066075070 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Greenwich Arts Council Inc

    EIN 237224200 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Greenwich Association of Realtors Inc

    EIN 060699086 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Greenwich Baseball Foundation Inc

    EIN 870788868 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  29. Greenwich Basketball Association Inc

    EIN 061390590 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Greenwich Bible Study Association

    EIN 061287156 · Headquarters: GREENWICH, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Greenwich Boat & Yacht Club Inc

    EIN 237334077 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Greenwich Business Club Inc Brien

    EIN 272471651 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  33. Greenwich Cardinals Youth Hockey Associa

    EIN 222659549 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Greenwich Catholic Education Trust

    EIN 066128204 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Greenwich Center for Hope and Renewal Inc

    EIN 205770507 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Greenwich Chamber of Commerce Inc

    EIN 060289770 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Greenwich Chaplaincy Services Inc

    EIN 066104975 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Greenwich Choral Society Inc

    EIN 066036343 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Greenwich Christian Preschool Inc

    EIN 471631790 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Greenwich Community Gardens Inc

    EIN 453758450 · Headquarters: GREENWICH, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Greenwich Council Boy Scouts of America Incorporated

    EIN 060646654 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Greenwich Country Club

    EIN 060374900 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Greenwich Country Day School Inc

    EIN 060646657 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Greenwich Dental Society Inc

    EIN 061529074 · Headquarters: GREENWICH, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Greenwich Department of Human Services Fund Inc

    EIN 821950012 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Greenwich Distinguished Teachers Award Committee Inc

    EIN 061160007 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Greenwich Education Association

    EIN 060867892 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Greenwich Exchange for Womens Work

    EIN 060653272 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  49. Greenwich Fire Fighters Association Local 1042

    EIN 066063265 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Greenwich Flag Football Inc

    EIN 392425828 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Greenwich Forward Inc

    EIN 821940988 · Headquarters: Greenwich, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Greenwich Girls Flag Football Inc

    EIN 392234444 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Greenwich Girls Rugby

    EIN 862792646 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Greenwich Green & Clean Inc

    EIN 061187787 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Greenwich Health Care Services Inc

    EIN 222593399 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990

  56. Greenwich Hockey Club Ltd

    EIN 383882000 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  57. Greenwich Hospital

    EIN 060646659 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. Greenwich International Film Festival Inc

    EIN 463500058 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Greenwich Jr Babe Ruth League

    EIN 061217127 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  60. Greenwich Junior Premier Field Hockey Inc

    EIN 863999780 · Headquarters: Greenwich, CT, USA · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  61. Greenwich Municipal Employees Association

    EIN 223048370 · Headquarters: Greenwich, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Greenwich Neurological Institute Inc

    EIN 611805513 · Headquarters: Greenwich, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Greenwich Police Scholarship Fund

    EIN 066068607 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Greenwich Preservation Trust Inc

    EIN 263616589 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Greenwich Professional Firefighters Benevolent Fund Inc

    EIN 462184743 · Headquarters: greenwich, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Greenwich Public Schools Honor Choir Booster Club Inc

    EIN 261313745 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Greenwich Rebounders Club

    EIN 475322505 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. Greenwich Retirees Eating & Tarrying Society

    EIN 061215236 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Greenwich Riding & Trails Association Inc

    EIN 060762558 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Greenwich Roundtable Inc

    EIN 651164239 · Headquarters: Greenwich, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Greenwich Scholarship Association Inc

    EIN 061467698 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Greenwich Sentinel Foundation Inc

    EIN 813577313 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. Greenwich Skating Club Inc

    EIN 060703613 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Greenwich Symphony Orchestra Inc

    EIN 066107766 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Greenwich Track and Field Club Inc

    EIN 814269117 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Greenwich World Hunger Association

    EIN 061020719 · Headquarters: GREENWICH, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. Greenwich Youth Lacrosse Inc

    EIN 061500051 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Griff Harris Mens Golf Club

    EIN 464085550 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Grip Foundation Inc

    EIN 262230741 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Growpac Ct Inc

    EIN 821195632 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  81. Guberti Giving Inc

    EIN 815329969 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Hamilton Ave School Parent Teacher Assoc

    EIN 060994139 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Happy Birthday Foundation

    EIN 462726650 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Harpoon Club Inc

    EIN 822700611 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Harteveldt Foundation Inc

    EIN 131882108 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  86. Hartong Family Foundation

    EIN 922824291 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Hazels House Rescue Inc

    EIN 921182909 · Headquarters: greenwich, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Heart Care International Inc

    EIN 061503838 · Headquarters: GREENWICH, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Heartbeat International Ministries Foundation Inc

    EIN 201123103 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Heffter Research Institute

    EIN 851073501 · Headquarters: GREENWICH, CT, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Helene Urfirer Memorial Literacy Fund Inc

    EIN 141799087 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Help Keep Hope Alive Inc

    EIN 203063733 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  93. Hempleman Family Foundation Inc

    EIN 481259678 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  94. Herbert Lee Grayson Foundation Inc

    EIN 133871882 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  95. Holy Family Foundation

    EIN 680641675 · Headquarters: Greenwich, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Hope for Poor Children Foundation Inc C/o Desmond Fitzgerald

    EIN 203998963 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Hopeful Dawn Foundation

    EIN 270565258 · Headquarters: Greenwich, CT, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  98. Horseneck Foundation Inc

    EIN 300596764 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Hortulus Inc

    EIN 066083165 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. I Am Wild Foundation Inc

    EIN 831530827 · Headquarters: Greenwich, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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