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 Katoomba Group

    EIN 203738283 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. The Keenan Family Foundation C/O Bakerhostetler

    EIN 452955455 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. The Kelton Foundation

    EIN 521268434 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  4. The Kennedy Center Foundation

    EIN 993411032 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  5. The Kennedy-warren Residents Association Inc

    EIN 922705234 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. The Kenya World Bank-imf Staff Association

    EIN 205020089 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. The Kermit Scragg Foundation Inc

    EIN 271399843 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. The Kevin and Lesley Lilly Foundation

    EIN 311518662 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. The Kids Connection Haiti Inc

    EIN 271116662 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. The Kingsbury Center Inc

    EIN 530132223 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. The Klein Fabry Foundation

    EIN 934767887 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. The Korean American Institute

    EIN 881060189 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. The Krauthammer Foundation Inc

    EIN 222927289 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. The Kroussaw Foundation

    EIN 841760918 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. The L'Enfant Trust

    EIN 521154054 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. The Lab School of Washington

    EIN 521261627 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. The Labor Family Foundation Inc

    EIN 900193644 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. The Labor Force Corp

    EIN 994354860 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. The Labor Heritage Foundation

    EIN 521313015 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. The Labroi Private Family Foundation

    EIN 921241036 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. The Ladies of Imani C/o Stacie Lee Banks

    EIN 521635552 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  22. The Lambi Fund of Haiti

    EIN 521843357 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The Land Alliance Inc

    EIN 452577871 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. The Lantern Bryn Mawr Bookshop

    EIN 521615538 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. The Larry Ted May Foundation Inc

    EIN 262145502 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  26. The Laserson-trandafir Charitable Foun

    EIN 263843517 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  27. The Latin American and Caribbean Economic Association Inc

    EIN 133999267 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The Latina Collective

    EIN 833551477 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  29. The Latino Coalition Foundation

    EIN 311695419 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. The Latino Coalition Inc

    EIN 522266386 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Lavender Fund

    EIN 921612281 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. The Leaders Project Inc Co Blackthorn Law Group

    EIN 300066823 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  33. The Leadership Center for Attorney General Studies

    EIN 843726976 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. The Leadership Center for the Common Good

    EIN 272163366 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990

  35. The Leadership Conference Education Fund Inc

    EIN 237026895 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. The Leadership Conference on Civil and Human Rights Inc

    EIN 520789800 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The Leadership Foundation

    EIN 521681028 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990

  38. The Leapfrog Group

    EIN 522359517 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The Learning Tree Inc

    EIN 262963674 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. The Lehman-smith Design Foundation Inc

    EIN 810817187 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. The Lentchner Family Foundation

    EIN 203985164 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  42. The Lenzner Family Foundation

    EIN 521861333 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. The Leonard and Elaine Silverstein Foundation

    EIN 520845731 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  44. The Leonsis Foundation

    EIN 522206647 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. The Liberal Patriot Inc

    EIN 921308618 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. The Life Skills Center

    EIN 521033761 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990

  47. The Linda & Isaac Stern Charitable Foundation

    EIN 522112066 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. The Links Foundation Incorporated

    EIN 521170830 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. The Literacy Lab

    EIN 271777117 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Louis D Brandeis Center Inc

    EIN 453204617 · Headquarters: Washington, DC, USA · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. The Louis J Kuriansky Foundation C/o Joan a Kuriansky

    EIN 650363659 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. The Loyola Foundation Inc

    EIN 520781255 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. The Lsm Foundation Inc

    EIN 475545263 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. The Lugar Center

    EIN 461706566 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. The Lwh Family Foundation

    EIN 521907069 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. The Maasai Girls Education Fund

    EIN 522344696 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. The MacArthur High School Parent Teacher Organization

    EIN 991025154 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. The Maine State Society of Washington D C Foundation

    EIN 521630021 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. The Management Center

    EIN 205197607 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. The Mansbach Foundation Inc C/o B Thomas Mansbach

    EIN 522360222 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  61. The Manufacturing Institute

    EIN 521073576 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. The Marathon Foundation

    EIN 521621194 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. The Marathon Initiative

    EIN 850983902 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. The Mark and Anne Hansen Foundation

    EIN 205794944 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. The Mary Elizabeth House

    EIN 870761142 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. The Masonic Foundation of the District of Columbia

    EIN 526042568 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. The Mathilde & Dorothea W Holliedt Home Fund

    EIN 530234289 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The Matthew Harris Ornstein Memorial Foundation Inc

    EIN 474562303 · Headquarters: WASHINGTON, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. The Matz Family Foundation

    EIN 731700495 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. The Maya Angelou Public Charter School

    EIN 522098650 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The MB Lewis Charitable Foundation

    EIN 521557778 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  72. The Mccaskill Unit

    EIN 431761619 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. The Memorial Foundation Inc

    EIN 460758941 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. The Menopause Association

    EIN 863164291 · Headquarters: WASHINGTON, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. The Mens Crusade Against Breast Cancer Inc

    EIN 541691020 · Headquarters: Washington, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  76. The Mesothelioma Applied Research Foundation Inc

    EIN 752816066 · Headquarters: WASHINGTON, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. The Metropolis Fund

    EIN 522056372 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  78. The Metropolitan Basketball League

    EIN 201012457 · Headquarters: Washington, DC, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. The Metropolitan Club of the City of Washington

    EIN 530109340 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. The Middle East Institute

    EIN 530204608 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The Miles Group Inc

    EIN 854377842 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. The Military Road School Preservation Trust

    EIN 522280647 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. The Miller-wehrle Family Foundation

    EIN 208091563 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  84. The Milton and Anne Thompson Foundation Inc

    EIN 611343771 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  85. The Ministries Inc

    EIN 510506219 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  86. The Moderate Inc

    EIN 872747257 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  87. The Modern Classrooms Project Inc

    EIN 825421304 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. The Moral Compass

    EIN 332278012 · Headquarters: WASHINGTON, DC, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. The Moroccan-american Center for Policy

    EIN 200118297 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  90. The Moroccan-american Cultural

    EIN 200118253 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990

  91. The Moroccan-american Trade & Investment Council Inc

    EIN 200118342 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990

  92. The Morris and Gwendolyn Cafritz Foundation

    EIN 526036989 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. The Mountain Institute Inc

    EIN 550541323 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990

  94. The Moving and Storage Institute

    EIN 311742074 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. The Mufson Family Foundation C/o S Mufson

    EIN 223491505 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. The Munathara Initiative

    EIN 464176552 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. The Museum of Language Arts Inc

    EIN 464894732 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. The Music Teaching Project

    EIN 770666584 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  99. The MusicianShip DC

    EIN 460557954 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. The Musicianship Inc

    EIN 271114779 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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