Nonprofits in Cambridge, Massachusetts

Nonprofits in Cambridge, Massachusetts. Browse 1,541 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 for Innovation In Imaging

    EIN 874008379 · Headquarters: Cambridge, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Society of Biomolecular Imaging and Informatics

    EIN 460785878 · Headquarters: CAMBRIDGE, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Society of Saint Vincent De Paul in the Archdiocese of Boston

    EIN 273841210 · Headquarters: CAMBRIDGE, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Society of Saint Vincent De Paul in the Archdiocese of Boston

    EIN 274125845 · Headquarters: CAMBRIDGE, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Society of Saint Vincent De Paul in the Archdiocese of Boston

    EIN 274126101 · Headquarters: CAMBRIDGE, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Society of St Vincent De Paul St Peter Conference

    EIN 274126016 · Headquarters: CAMBRIDGE, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Sofar USA Inc

    EIN 900497543 · Headquarters: Cambridge, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. Solar Turbine Group Inc

    EIN 760834926 · Headquarters: Cambridge, MA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  9. Solar Turbine Group International

    EIN 760834919 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Solstice Philanthropic Foundation

    EIN 923322408 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Solutionist

    EIN 870838150 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Solutions at Work Inc

    EIN 043262577 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Solutions International Inc

    EIN 204857160 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Somerville Place Inc

    EIN 223520771 · Headquarters: CAMBRIDGE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Sostenica Inc

    EIN 233061896 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Spacemakers Society Inc

    EIN 852055084 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Spectrum Singers Inc

    EIN 042711840 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Spee Club Inc

    EIN 043078945 · Headquarters: CAMBRIDGE, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Spero Zak Putnam

    EIN 203350243 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  20. Sports Philanthropy Project Inc

    EIN 043812638 · Headquarters: Cambridge, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. Sprout Foundation

    EIN 272900342 · Headquarters: CAMBRIDGE, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Ss Cosmas E Damian Society Inc

    EIN 043583603 · Headquarters: Cambridge, MA, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  23. Start Labs Inc

    EIN 452852600 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  24. Stem Synergy Inc

    EIN 300874817 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Step Nation Inc

    EIN 873692438 · Headquarters: Cambridge, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Stevenson Family Charitable Trust

    EIN 046629590 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Stop Think Connect Messaging Convention Inc Stop Think Connect Messaging Convention Inc

    EIN 472062788 · Headquarters: Cambridge, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Stopbadware Inc

    EIN 271325606 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  29. Story Exchange Foundation C/o Victoria D Wang

    EIN 043246845 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Strategies for Youth

    EIN 271389973 · Headquarters: Cambridge, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Street Theory Collective

    EIN 921452077 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. STRIDE Inc

    EIN 452653155 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  33. Student Alumni Committee on Institutional Security Policy Inc

    EIN 204620339 · Headquarters: CAMBRIDGE, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  34. Styleta Inc

    EIN 271511420 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  35. Sugan Theater Company Inc

    EIN 043179969 · Headquarters: CAMBRIDGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Suleyman D Celimli Foundation

    EIN 333423274 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Sundai Foundation

    EIN 331248503 · Headquarters: Cambridge, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Sunflower Foundation

    EIN 952644098 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Supporting Child Caregivers Inc

    EIN 815333212 · Headquarters: Cambridge, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Supporting Highly Allergic Resilient Kids

    EIN 271160652 · Headquarters: Cambridge, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  41. Supreme Emblem Club of the United States of America - 108

    EIN 046167834 · Headquarters: CAMBRIDGE, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. Surest Inc

    EIN 854284216 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Susan and Lawrence Bailis Family Foundation

    EIN 043388172 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Sustainability of Sustainability Fo Undation

    EIN 413097632 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Sustainable Food and Culture

    EIN 834452364 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Sustainablearning Inc

    EIN 273696342 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  47. Swedish American Chamber of Commerce of New England Inc

    EIN 010780670 · Headquarters: Cambridge, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Swim Freedom Inc

    EIN 992519239 · Headquarters: Cambridge, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Sze Family Charitable Foundation

    EIN 476437037 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Talented Community Inc

    EIN 882447903 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Talking Writing

    EIN 453264620 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Tapestry Inc

    EIN 042756818 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  53. TargetCancer Foundation Inc

    EIN 264510094 · Headquarters: Cambridge, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Tau Beta Pi Association Inc

    EIN 046116607 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  55. Tc Squared Theatre Company

    EIN 991290191 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. TechFoundation Inc

    EIN 043547092 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Technology and National Security Conference Inc

    EIN 331924624 · Headquarters: Cambridge, MA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Technology Broadcasting Corporation

    EIN 237154684 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Technology Review Inc

    EIN 954893200 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Technoskeptic Inc

    EIN 832644157 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  61. Techonomica

    EIN 921489769 · Headquarters: Cambridge, MA, US · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Terc Inc

    EIN 046134355 · Headquarters: CAMBRIDGE, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Terrapraxis Inc

    EIN 854125576 · Headquarters: CAMBRIDGE, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The 1324 Massachusetts Ave Foundation Inc

    EIN 991486153 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. The Abigail Adams Institute

    EIN 471495965 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. The Academic-industry Research Network

    EIN 274126652 · Headquarters: Cambridge, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. The Access Strategies Fund

    EIN 043464581 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. The Aleph

    EIN 821248502 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. The Algebra Project Inc

    EIN 223137788 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The Andrew Miller Jr Memorial Scholarship Foundation Inc

    EIN 851681958 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. The Anne R Dow Family Foundation Inc C/o Karen L Price

    EIN 562298345 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. The Arons Family Foundation

    EIN 043273304 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. The Art of Mindfulness Foundation Corp

    EIN 994159485 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. The Association of Marshall Scholars Inc

    EIN 222973653 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. The Aufhebung Foundation Aka Higher Synthesis Foundation

    EIN 273335269 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  76. The Baudoin Family Foundation Inc C/o Patricia Baudoin

    EIN 133914556 · Headquarters: CAMBRIDGE, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  77. The Beautiful Stuff Project Inc

    EIN 453816265 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. The Beverly Pepper Foundation

    EIN 204921066 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. The Birchwood Charitable Tr

    EIN 043541255 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. The Boston Printmakers Inc

    EIN 042870046 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. The Boston Secession Inc

    EIN 043344429 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-EZ

  82. The Brandford-elliott Award for Excellence in Fiber Art

    EIN 680348063 · Headquarters: CAMBRIDGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. The Brazil Conference Inc

    EIN 863362488 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. The Broad Institute Inc

    EIN 263428781 · Headquarters: Cambridge, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. The Cambridge Foundation for Peace

    EIN 770525379 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. The Cambridge Historical Society

    EIN 046032737 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. The Cambridge Homes

    EIN 042103958 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. The Cambridge-ellis School Inc

    EIN 042742228 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. The Carl F Barron Cambridge Chamber of Commerce Foundation Inc

    EIN 043560758 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. The Carolyn K Tribe Foundation

    EIN 276595079 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. The Center for Black Brown and Queer Studies Inc

    EIN 842139209 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. The Center for Effective Philanthropy Inc

    EIN 043523528 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. The Charles L and Joan M Hirsch Family Foundation

    EIN 274313417 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. The Chung Family Foundation

    EIN 201758141 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  95. The Coalition of Schools Educating Boys of Color Inc

    EIN 262729057 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. The Consortium for Systemic Risk Analysis

    EIN 900737209 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  97. The Dau Family Foundation

    EIN 460673275 · Headquarters: CAMBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. The Delphic Club

    EIN 042122207 · Headquarters: Cambridge, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. The Delphic Trust

    EIN 136085147 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. The Entrepreneur Forum Inc

    EIN 042969937 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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