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. The Gridiron Club and Foundation

    EIN 364643320 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The GridWise Alliance

    EIN 200484480 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  3. The Gridwise Alliance Inc

    EIN 260723041 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. The Guide Foundation

    EIN 136113609 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. The Gwscpa Scholarship Fund

    EIN 526082884 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  6. The H-m Foundation Inc

    EIN 522103450 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. The HALO Trust

    EIN 522158152 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. The Halten Network

    EIN 394309956 · Headquarters: Washington, DC, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. The Hammond Institute

    EIN 521146946 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  10. The Hanley Foundation

    EIN 522204367 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. The Happy Kids Learning Center

    EIN 475156921 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  12. The Harvest Fund Ltd

    EIN 843031919 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. The Headache and Migraine Policy Forum

    EIN 813355588 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. The Healing Forest Institute

    EIN 471742745 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. The Healthy Us Collaborative Inc

    EIN 820819781 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  16. The Hearth Foundation Inc C/o Whitman-walker Health

    EIN 521850983 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  17. The Heimbach Eaves Class of 1981 Foundation

    EIN 263227029 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  18. The Helping Others Pursue Education Scholarship Initiative

    EIN 452921021 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  19. The Henry L Stimson Center

    EIN 521640938 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. The Herb Block Foundation

    EIN 260008276 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. The Herbert J and Dianne J Lerner Foundation

    EIN 521466842 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. The Heritage Foundation

    EIN 237327730 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The Heritage Signature Chorale

    EIN 542004445 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. The High Tea Society

    EIN 522044895 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. The Hill Preschool Inc

    EIN 520961226 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. The Hillside Foundation Inc

    EIN 202787879 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. The Hispanic Institute

    EIN 203819517 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The Hispanic Leadership Fund Inc

    EIN 262383617 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The Historic Howard Theatre Inc

    EIN 852582618 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. The HIV and Hepatitis Policy Institute

    EIN 844147678 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Hope Association

    EIN 454648128 · Headquarters: Washington, DC, USA · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. The Hopkins Society of Sigma Nu Fraternity Inc

    EIN 510251015 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. The Horizon Project

    EIN 872392558 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. The House at 1229 Inc

    EIN 384224398 · Headquarters: WASHINGTON, DC, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. The House of Green Inc

    EIN 830504810 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. The House of Prayer for All People

    EIN 113798194 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. The House of the Temple Historic Preservation Foundaion Inc

    EIN 521664576 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. The Housing of People Everywhere Foundation Inc

    EIN 521952936 · Headquarters: Washington, DC, US · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  39. The Howard Brown Foundation

    EIN 510645484 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. The Howard University

    EIN 530204707 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. The Hsc Foundation

    EIN 521346603 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. The Humane Society Wildlife Land Trust

    EIN 521808517 · Headquarters: Washington, DC, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. The Humanist Foundation

    EIN 461534636 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. The Hymn Society in the United States and Canada Inc

    EIN 135564941 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. The Iacc Foundation

    EIN 522317305 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  46. The Impact Accelerator Hub

    EIN 394152502 · Headquarters: Washington, DC, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. The Industrial Truck Association

    EIN 251124211 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. The Ingaa Foundation Inc

    EIN 521667696 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. The Inkwell

    EIN 301135638 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  50. The Inkwell

    EIN 331191728 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  51. The Inner City Family Foundation

    EIN 473513177 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. The Innovatory of Music Foundation Inc

    EIN 882810088 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. The Institute for Higher Education Policy

    EIN 521818907 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The Institute for Life Long Learning & Workplace Innovation of Fl Inc

    EIN 562410521 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. The Institute for Primary Facts

    EIN 412928557 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. The Institute for Social Entrepreneurism

    EIN 383938162 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. The Institute for Surgical Excellence

    EIN 464617882 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. The Institute for Technology in Health Care

    EIN 521292049 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. The Institute of Andean Research C/o Dr Noa Concoran-tadd

    EIN 136138268 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. The Institute of World Politics

    EIN 521699641 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. The Int'l Center for Journalists Inc

    EIN 112724905 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. The International Alliance of Carer Organizations

    EIN 463110863 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  63. The International Anticounterfeiting Coalition Inc

    EIN 942921494 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The International Association of Blacks in Dance

    EIN 421698454 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. The International Business Ethics Institute Inc

    EIN 521900623 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. The International Council on Clean Transportation Inc

    EIN 203076690 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. The International Forum

    EIN 510174950 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The International Foundation for Court Administration Inc

    EIN 510662886 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  69. The International Institute for Strategic Studies - Us

    EIN 522335215 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The International Institute on Race Equality and Human Rights

    EIN 472348129 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The International Order of St Hubertus - USA Chapter Inc

    EIN 464463562 · Headquarters: WASHINGTON, DC, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. The International Trade Commission Trial Lawyers Association

    EIN 521411407 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. The International Youth Alliance for Family Planning

    EIN 475049026 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. The Internet Association

    EIN 455582976 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990

  75. The Iraq Middle Market Development Foundation

    EIN 342015566 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. The Isaiah Table

    EIN 991767388 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. The Israel Forever Foundation

    EIN 020671731 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. The Israel Institute Inc

    EIN 460540994 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. The Israel Project

    EIN 371472882 · Headquarters: WASHINGTON, DC, USA · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990

  80. The Ivy Foundation

    EIN 521542302 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. The Jack Kemp Foundation

    EIN 270856599 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. The James & Theodore Pedas Family Foundation Inc

    EIN 911979866 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. The Jcm Foundation

    EIN 611409457 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. The Jefferson Energy Foundation

    EIN 521492176 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. The Jelks Family Foundation Inc

    EIN 593270436 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. The Jerusalem Connection Int

    EIN 541765432 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. The Jerusalem Fund for Education and Community Development

    EIN 521238142 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. The Jewish Majority

    EIN 994507079 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. The John Cavanaugh Foundation

    EIN 521490497 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. The John Dickson Home C/o Terence Collins

    EIN 530204688 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. The John F. Kennedy Center for the Performing Arts

    EIN 530245017 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  92. The Jonothan Ogden Foundation

    EIN 521995261 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  93. The Journal of Korean Studies

    EIN 851032901 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. The Journey Ahead Enterprises

    EIN 521837181 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. The Judge of Nationso Advocacy Headquarters

    EIN 882151048 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. The Juice Foundation

    EIN 455252205 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  97. The Justin Thomas Foundation Inc C/o Helfer and Company Llc

    EIN 832600835 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. The Kahan Family Foundation

    EIN 453305163 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  99. The Kailash Satyarthi Children's Foundation of America

    EIN 473414039 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. The Karski Theater Project

    EIN 474072301 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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