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 Nande Sports Group Inc

    EIN 991013177 · Headquarters: WASHINGTON, DC, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. The Napaba Law Foundation

    EIN 364014003 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. The Nasw Foundation Inc

    EIN 136128093 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. The Nat'l Fund for the Us Botanic Garden

    EIN 521722096 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. The Nathan Seter Foundation C/o Milbank Tweed Hadley & Mccloy Llp

    EIN 134150736 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. The National Academy of Education

    EIN 770415802 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. The National Alliance for Hispanic Health

    EIN 952856725 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. The National Alliance to Advance Adolescent Health

    EIN 204145524 · Headquarters: Washington, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. The National Aquarium Society

    EIN 521243739 · Headquarters: WASHINGTON, DC, USA · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990

  10. The National Association for Humane and Environmental Education

    EIN 237327537 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  11. The National Association of Hispanic Federal Executives

    EIN 541956379 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. The National Association of State Workforce Agencies

    EIN 520978073 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. The National Association of Tobacco Outlets Inc

    EIN 412000075 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. The National Association of Women Law Enforcement Executives Inc

    EIN 593364946 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. The National Black Caucus of Local Elected Officials Foundation Inc

    EIN 431820088 · Headquarters: Washington, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. The National Board of Medication Therapy Management Inc

    EIN 823540997 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. The National Bonsai Foundation

    EIN 521284404 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. The National Capital Texas A&m Club C/o Steve Webb

    EIN 541393855 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. The National Capital Velo Club Inc

    EIN 521568474 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. The National Center for Clinical Practice in Education Preparation

    EIN 834449400 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. The National Center on Education and the Economy

    EIN 521539258 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The National Council for Eurasian and East European Research

    EIN 521121063 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990

  23. The National Council for Public-private Partnerships Inc

    EIN 133341234 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  24. The National Council for Science and the Environment

    EIN 521700932 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. The National Council on U.S.-Arab Relations™

    EIN 521296502 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. The National Economists Club

    EIN 237008711 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. The National Energy and Utility Affordability Coalition

    EIN 521559709 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The National Fallen Officer Foundation

    EIN 830660754 · Headquarters: Washington, DC, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The National Fragile X Foundation

    EIN 840960471 · Headquarters: WASHINGTON, DC, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. The National Humanities Alliance

    EIN 521395619 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The National Institute for Science Law and Public Policy Inc

    EIN 521314021 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. The National Interest Inc

    EIN 522318532 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-PF

  33. The National Museum of Women in the Arts

    EIN 521238810 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. The National Myeloproliferative Disease Foundation Trust

    EIN 656232769 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  35. The National Postal Policy Council Inc

    EIN 521333251 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. The National Press Club Journalism Institute Inc

    EIN 521750908 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. The National Press Foundation Inc

    EIN 521069481 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. The National Railroad Construction and Maintenance Association Inc

    EIN 370990937 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. The National Recording Preservation Foun

    EIN 450983015 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. The National Reentry Network for Re

    EIN 272880114 · Headquarters: Washington, DC, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. The National Republican Club of Capitol Hill Inc

    EIN 530200565 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. The National Restaurant Association Educational Foundation

    EIN 366103388 · Headquarters: Washington, DC, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. The National Smart Set Inc

    EIN 851432182 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. The National Society of the Colonial Dames of America

    EIN 530224364 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. The National Space Club and Foundation

    EIN 462820184 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The National Theatre Foundation

    EIN 521014217 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. The Nativity Miguel Network Of

    EIN 743108595 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2010 · Primary form: IRS Form 990

  48. The Natural Gas Vehicle Coalition

    EIN 521588725 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. The Nea Foundation for the Improvement of Education

    EIN 237035089 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Neal Peirce Foundation

    EIN 853326581 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. The Nebraska Society of Washington Dc Inc

    EIN 510280436 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. The Nehemiah Project Inc

    EIN 842691397 · Headquarters: WASHINGTON, DC, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. The Neighborhood

    EIN 822992501 · Headquarters: Washington, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  54. The Nelson Mandela Institution for Knowledge Building and The

    EIN 203048545 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  55. The Network Dba Network Lobby for Catholic Social Justice

    EIN 520984255 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. The New Center

    EIN 453648734 · Headquarters: Washington, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. The New Macedonia Christian Academy

    EIN 521367061 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  58. The New Social Gospel

    EIN 991797843 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. The New York Avenue Presbyterian Church

    EIN 530196612 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  60. The Newdeal Forum

    EIN 824346598 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. The News Literacy Project Inc

    EIN 274011343 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. The Newspaper Guild Freedom Award Fund

    EIN 306008941 · Headquarters: WASHINGTON, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. The Next 100 Syndicate

    EIN 871885681 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. The Next Step Public Charter School

    EIN 522103442 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. The Niall Mellon Townships Initiative Ltd

    EIN 208689241 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. The Nicholson Project

    EIN 833790431 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. The Niskanen Center Inc

    EIN 455308952 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. The Nlha Education Fund

    EIN 421717667 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. The Nna Fund

    EIN 260866502 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. The Noire Waters Foundation

    EIN 934024901 · Headquarters: Washington, DC, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. The Non-profit Community Developmen Corporation of Dc

    EIN 521869393 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. The Nonprofit Alliance

    EIN 833751224 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. The Nonprofit Alliance Foundation

    EIN 223096395 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. The Nonprofit Roundtable of Greater Washington

    EIN 161626729 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990

  75. The Norman R Rales and Ruth Rales Foundation

    EIN 596874589 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. The Norml Foundation

    EIN 522021279 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. The North Fund

    EIN 834011547 · Headquarters: Washington, DC, United States · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. The Northwest Center Inc

    EIN 521606784 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. The Nssv Corporation

    EIN 521851957 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. The Nuhorizons Center Inc

    EIN 383752000 · Headquarters: Washington, DC, US · Mental Health & Crisis Intervention · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  81. The Ocean Foundation

    EIN 710863908 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. The Old Naval Hospital Foundation

    EIN 270038119 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. The Omega Foundation C/o James Feldman

    EIN 542075805 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. The ONE Campaign

    EIN 010593565 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. The Onerail Coalition

    EIN 842070815 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  86. The Organic Center Inc

    EIN 020626006 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. The Palantir Foundation for Defense Policy and International Affairs

    EIN 933284518 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. The Pam Institute C/o Dominic J Monetta

    EIN 521920585 · Headquarters: WASHINGTON, DC, USA · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  89. The Pan American Medical Society

    EIN 521247165 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. The Parent Project for Muscular Dystrophy Research Inc

    EIN 311405490 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. The Park Southern Residents' Council Inc

    EIN 811337299 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. The Partnership for Male Youth

    EIN 472979492 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. The Partnership Project Action Fund

    EIN 810606786 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. The Partnership Project Inc

    EIN 522192070 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. The Paul & Annetta Himmelfarb Foundation Inc

    EIN 520784206 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. The Paul W and E Carol Schafer Foundation for Centriolar Research

    EIN 463225003 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. The Pax Christi Fund for Peace

    EIN 462407872 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. The PCRM Foundation

    EIN 731669893 · Headquarters: Washington, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. The Peace Project Inc

    EIN 393107622 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. The Peace Research Endowment

    EIN 270238714 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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