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. Necbl Blues Baseball Club

    EIN 881820638 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Needs Clearing House Inc

    EIN 471013203 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Neighbor to Neighbor Inc

    EIN 066071605 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Nemerov Charitable Foundation Inc

    EIN 562363130 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  5. New Rochelle Aquatic Club

    EIN 473773825 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. New Rochelle Aquatic Club Inc

    EIN 822729469 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. New York Grand Opera

    EIN 883714482 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Norman B Zullin Family Foundation

    EIN 464869664 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  9. North Greenwich Association Inc

    EIN 061178657 · Headquarters: Greenwich, CT, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Northeast Greenwich Association Incorporated

    EIN 061093741 · Headquarters: GREENWICH, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. O'connell Family Foundation Inc C/o Daniel S O'connell

    EIN 133745912 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Oak Tree Inc

    EIN 384043459 · Headquarters: GREENWICH, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Oakmere Foundation Inc

    EIN 462867328 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Off World Theatre

    EIN 134201733 · Headquarters: Greenwich, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  15. Old Greenwichriverside Community Center

    EIN 060669123 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. One Refugee Child Inc

    EIN 810920338 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Ons Foundation for Clinical Research and Education Inc

    EIN 261394760 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Open Arts Alliance

    EIN 453220208 · Headquarters: Greenwich, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Orfeo Project

    EIN 413689611 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Outbox Education Inc

    EIN 851161640 · Headquarters: GREENWICH, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Palladium Musicum Inc

    EIN 260120183 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Pamela Posen Memorial Fund Inc

    EIN 133568399 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Pan University Jewish Action Coalition Inc

    EIN 332380260 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Panwy Foundation Inc C/o Eagle Cap Int'l Llc

    EIN 136130759 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Parkinson Family Foundation

    EIN 061485191 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. Parkinson's Body and Mind Inc

    EIN 872045866 · Headquarters: Greenwich, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Parks and Recreation Foundation of the Town of Greenwich Connecticut Inc

    EIN 061632592 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Parsonage Cottage Home for the Agedinc

    EIN 911849936 · Headquarters: GREENWICH, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Partnership to Address Global Emissions Inc

    EIN 883983015 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Pat-a-cake Playschool Inc

    EIN 203711966 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Pathways Futures Inc

    EIN 061257293 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Pathways Inc

    EIN 061051588 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Pathways Visioninc

    EIN 760738106 · Headquarters: GREENWICH, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Peak Wellness Foundation Incorporation

    EIN 061498645 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Pemberwick Glenville Association Inc

    EIN 364647509 · Headquarters: Greenwich, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Permanent Commission on the Status of Women in Connecticut Education Fund Inc

    EIN 352576460 · Headquarters: GREENWICH, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Permanent Commission on the Status of Women Inc

    EIN 300946236 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Pi Lambda Phi Fraternity Inc

    EIN 131168250 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Pics & Edges

    EIN 205337086 · Headquarters: Greenwich, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. Pitch in for Puerto Rico Inc

    EIN 923898138 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. Ponderosa Drive Homeowners Association Inc

    EIN 061370269 · Headquarters: GREENWICH, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Press Onward Ministries Inc (Formerly All Cultures Table Co)

    EIN 800507718 · Headquarters: Greenwich, CT, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  43. Press Pass Mentors Inc

    EIN 452813655 · Headquarters: Greenwich, CT, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Project Blessing Inc C/o Shaun Fletcher

    EIN 461177684 · Headquarters: GREENWICH, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  45. Proust Society of Greenwich

    EIN 813293173 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Pta Connecticut Congress New Pta Ct

    EIN 060994141 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  47. Pta Connecticut Congress-central Pta-ct

    EIN 060994131 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Ptsa Connecticut Inc

    EIN 060974881 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. PTSA Connecticut Inc

    EIN 060984479 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. PTSA Connecticut Inc

    EIN 060994145 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Ptsa Connecticut Inc

    EIN 060994152 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Ptsa Connecticut Inc

    EIN 061365876 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Purposeful Growth Institute Inc

    EIN 870849586 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Quarry Knoll Ii Corporation C/o Housing Authority Town of Greenwich

    EIN 060953886 · Headquarters: GREENWICH, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Quest Educational Initiatives Inc

    EIN 201124280 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  56. Quill Entertainment Company

    EIN 232973189 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Randall and Mary Hack Foundation

    EIN 061810820 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  58. Ready to Empower Inc

    EIN 464275000 · Headquarters: GREENWICH, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Redbird Foundation Inc

    EIN 882630138 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  60. Redress Inc

    EIN 992931449 · Headquarters: Greenwich, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Residents for Appropriate Development Inc

    EIN 061564704 · Headquarters: GREENWICH, CT, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  62. Resonance Horsemanship Inc

    EIN 394886214 · Headquarters: Greenwich, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Reverse The Course Foundation Inc

    EIN 273944500 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  64. Rhr Charitable Foundation Inc

    EIN 474442004 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  65. Richard & Mary Pivirotto Foundation

    EIN 061401144 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  66. Richard and Ellen Richman Private Family Foundation

    EIN 266161542 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Rlb League Inc

    EIN 333251451 · Headquarters: Greenwich, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Road Runners Club of America

    EIN 850895094 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Robert G Burton Charitable Foundation

    EIN 061354439 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Rockland Childrens Psychiatric Foundation Inc

    EIN 133946876 · Headquarters: Greenwich, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  71. Ronald N Dubin Foundation

    EIN 066366234 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. Rouhana Family Foundation Inc

    EIN 113293390 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Round Hill Association Inc

    EIN 066051492 · Headquarters: Greenwich, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Round Hill Cemetery Association Inc

    EIN 061050795 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Round Hill Nursery School Inc

    EIN 060685114 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Round Hill Volunteer Fire Company Inc

    EIN 237083479 · Headquarters: GREENWICH, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Roundhill Scholarship Foundation Inc

    EIN 061076550 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Row for Hope Inc

    EIN 260176485 · Headquarters: Greenwich, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  79. Rowamerica Bridgeport Inc

    EIN 994234979 · Headquarters: GREENWICH, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Rowamerica Pittsburgh Inc

    EIN 994657516 · Headquarters: GREENWICH, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Royce Family Fund Inc C/o Royce & Associates

    EIN 133318620 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Russel R Taylor Foundation

    EIN 061483968 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Ruth & Robert L Newman Foundation

    EIN 132961121 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Ruth Lloyd Trust Fbo Metropolitan Museum of Art (Lwb)

    EIN 136844377 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Sarah Bodman Greenhill Foundation

    EIN 923619972 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. Save Japan Project of America Inc

    EIN 452380529 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  87. Schwarz Charitable Foundation

    EIN 276620125 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Scott M Smith & Heidi B Smith

    EIN 137177068 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  89. 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

  90. 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

  91. Seven Bridges Foundation Inc

    EIN 061498953 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  92. Sharing Sacred Spaces Inc

    EIN 834350100 · Headquarters: Greenwich, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Silver Shield Association Education Fund Inc

    EIN 813194644 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Silver Shield Association Inc

    EIN 061009211 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. Simmons Family Foundation Inc

    EIN 061409685 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Simpson Lighthouse Foundation

    EIN 823758929 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Slovak Heritage Festival

    EIN 871699286 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Smith College Club of Greenwich Smith College Club of Greenwich &

    EIN 066078119 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Society for the Archeological Study of the Mary Rose Inc

    EIN 061043551 · Headquarters: Greenwich, CT, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  100. Society of St Hugh of Cluny Inc

    EIN 261180674 · Headquarters: Greenwich, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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