Nonprofits in Washington, District of Columbia

Nonprofits in Washington, District of Columbia. Browse 18,177 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. American Foundation for Uniform Law

    EIN 202658215 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  2. American Free Trade Energy Coalition

    EIN 464267931 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  3. American Freedom Fund

    EIN 821431512 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Friends of Chartres Inc

    EIN 202516233 · Headquarters: Washington, DC, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. American Friends of Crossroads Caring for Carers Inc

    EIN 311740463 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  6. American Friends of for Survival

    EIN 364446752 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. American Friends of Helpage India Inc

    EIN 833780707 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. American Friends of Kurdistan Inc

    EIN 843470018 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Friends of Lubavitch

    EIN 522193738 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Friends of Macmillan Cancer Support

    EIN 363779012 · Headquarters: Washington, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  11. American Friends of Notre Dame University Lebanon

    EIN 223620786 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  12. American Friends of Notre Dame University-louaize Leban

    EIN 465524700 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. American Friends of the Alexander Von Humboldt Foundation

    EIN 522217136 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. American Friends of the Children of Africa Foundation Inc

    EIN 460553121 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  15. American Friends of the Czech Republic

    EIN 521921393 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Friends of the Douglas Institute

    EIN 474193668 · Headquarters: WASHINGTON, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. American Friends of the Gdansk Theatre Foundation

    EIN 521948264 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. American Friends of the Institute of Economic Affairs

    EIN 541899539 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990

  19. American Friends of the Kigali Public Library

    EIN 542062264 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  20. American Friends of the Rabinovitch

    EIN 237392981 · Headquarters: WASHINGTON, DC, USA · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990-PF

  21. American Friends of the Ramcoomair Chatoor Memorial Mudhouse Trust

    EIN 473061370 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. American Friends of the Russian Jewish Congress

    EIN 311809009 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Friends of the Stockholm International Peace Research Inst

    EIN 263097342 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  24. American Friends of Tmura Inc C/o Dla Piper Llc

    EIN 300166446 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Friends of Turkey Inc

    EIN 541265590 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. American Friends of Waterford Kamhlaba Inc

    EIN 581726404 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. American Friends of Winchester Cathedral Inc

    EIN 133593047 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. American Friends of Zanaafrica Corp

    EIN 261358805 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. American Fuel & Petrochemical Manufacturers

    EIN 530115970 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. American Gaming Association

    EIN 931169142 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. American Gas Association

    EIN 130431590 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. American Gas Association Welfare Benefit Trust

    EIN 900001656 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. American Gas Foundation

    EIN 541501306 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. American Geophysical Union

    EIN 520955532 · Headquarters: Washington, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. American Global Institute

    EIN 471919389 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. American Goethe Society of Washington Dc

    EIN 371603350 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  37. American Gold Star Mothers Inc

    EIN 526045308 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. American Great Lakes Ports Assoc

    EIN 200050293 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. American Health Care Association

    EIN 530260105 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. American Health Law Association

    EIN 237333380 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. American Health Quality Association

    EIN 237392554 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Health Quality Foundation Inc

    EIN 043765053 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Healthcare Radiology Administrators Education Foundation Inc

    EIN 363726188 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. American Healthcare Radiology Administrators Inc

    EIN 237271872 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. American Hellenic Chamber of Commer

    EIN 331633862 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. American Hellenic Institute

    EIN 521006027 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. American Hellenic Institute Foundation Inc

    EIN 521061633 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. American High Speed Rail Alliance

    EIN 271593276 · Headquarters: WASHINGTON, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  49. American Highway Users Alliance

    EIN 530186334 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. American Historical Association

    EIN 530217487 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. American Horse Defense Fund

    EIN 522226590 · Headquarters: Washington, DC, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  52. American Hotel & Lodging Association

    EIN 130432130 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. American Hotel & Lodging Educational Institute

    EIN 381557821 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. American Housing Fund

    EIN 874410491 · Headquarters: Washington, DC, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Humane Society

    EIN 840432950 · Headquarters: Washington, DC, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. American Humanist Assocaition

    EIN 260688657 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  57. American Humanist Association

    EIN 300713146 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Humanist Association

    EIN 391724348 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  59. American Hungarian Federation

    EIN 341253539 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Immigrant Investor Alliance

    EIN 863469287 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. American Immigration Council

    EIN 521549711 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. American Immigration Lawyers Association

    EIN 237085097 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. American Immigration Lawyers Association

    EIN 460534995 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. American Immunization Registry Association

    EIN 271130269 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. American Independent Media

    EIN 881571567 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Industry Project

    EIN 821227553 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Infrastructure Security and Resilience Foundation

    EIN 991158010 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. American Initiative for Italian Culture

    EIN 462339743 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  69. American Inn of Court Foundation

    EIN 270835455 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  70. American Innovation and Modernization Co

    EIN 834373877 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  71. American Innovation Forum Corp

    EIN 393788957 · Headquarters: Washington, DC, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Inns of Court Foundation

    EIN 521636953 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  73. American Inns of Court Foundation

    EIN 521638670 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  74. American Inns of Court Foundation

    EIN 521638692 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. American Inns of Court Foundation

    EIN 521638695 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. American Inns of Court Foundation

    EIN 521741953 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. American Inns of Court Foundation

    EIN 521914341 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  78. American Inns of Court Foundation

    EIN 900294100 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  79. AMERICAN INNS OF COURT FOUNDATION Edward Coke Appellate Inn of Court

    EIN 522283179 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. American Institute Bangladesh Stu

    EIN 251581689 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  81. American Institute for Adolescent Psychiatry

    EIN 993040692 · Headquarters: Washington, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Institute for Boys and Men

    EIN 931872834 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. American Institute for Conservation of Historic and Artistic Works

    EIN 237291856 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. American Institute for Jewish Research

    EIN 364724736 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. American Institute for Medical and Biological Engineering Inc

    EIN 237089693 · Headquarters: Washington, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. American Institute for Regional and Int'l Studies

    EIN 205228443 · Headquarters: WASHINGTON, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  87. American Institute for Shippers Associations Inc

    EIN 526054140 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. American Institute for Yemeni Studies

    EIN 362979533 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. American Institute of Architects College of Fellows Fund Inc

    EIN 710887547 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. American Institute of Architecture Students Inc

    EIN 521239053 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. American Institute of Building Design Inc

    EIN 952226842 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  92. American Institute of Fishery Research Biologists

    EIN 616050711 · Headquarters: Washington, DC, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Institute of Implant Dentistry Foundation

    EIN 264503577 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. American Insurance Association Inc

    EIN 133173374 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990

  95. American Insurtech Council Inc

    EIN 874387791 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. American International Health Alliance Inc

    EIN 521773753 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. American Investment Council

    EIN 870792910 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. American Iron and Steel Institute

    EIN 131832448 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. American Israel Education Foundation

    EIN 521623781 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990

  100. American Jesuits International Inc

    EIN 300341787 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

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