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. National Lampac

    EIN 262620296 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. National Latina Health Network

    EIN 522047703 · Headquarters: WASHINGTON, DC, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. National Latino Farmers and Ranchers

    EIN 842237851 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. National Law Center on Homelessness and Poverty

    EIN 521633883 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. National Law Enforcement Officers Memorial Fund Inc

    EIN 521382926 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. National Leadership Council on African American Behavior Health

    EIN 261847605 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  7. National League for Nursing

    EIN 131896510 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. National League of American Pen Women Inc

    EIN 237096803 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. National League of American Pen Women Inc

    EIN 237097179 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. National League of American Pen Women Inc

    EIN 237101503 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  11. National League of American Pen Women Inc

    EIN 237104829 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. National League of American Pen Women Inc

    EIN 591991961 · Headquarters: Washington, DC, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. National League of American Pen Women Inc

    EIN 911825254 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  14. National League of American Pen Women Inc

    EIN 911825267 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. National League of American Pen Women Inc

    EIN 911955164 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  16. National League of American Pen Women Inc

    EIN 911955192 · Headquarters: Washington, DC, US · Environment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  17. National League of American Pen Women Inc

    EIN 911955194 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  18. National League of American Pen Women Inc

    EIN 931264284 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. National League of American Pen Women Inc

    EIN 942514504 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  20. National League of Cities

    EIN 530226780 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  21. National League of Cities Institute Inc

    EIN 526055762 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  22. National Leased Housing Association

    EIN 237304915 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. National Legal Aid and Defender Association

    EIN 362337880 · Headquarters: WASHINGTON, DC, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. National Lesbian & Gay Journalists Association

    EIN 943177380 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. National Lesbian and Gay Law Association

    EIN 581953681 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. National Lesbian and Gay Law Foundation

    EIN 411791489 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. National Lgbtq Task Force

    EIN 521624852 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. National Lgbtq Task Force Action Fund Inc

    EIN 132772832 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. National Liberian Youth Association

    EIN 933865342 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National Links Trust

    EIN 842249627 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Low Income Housing Coalition

    EIN 521089824 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. National Low Income Housing Policy Center

    EIN 521137799 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. National Lumber & Building Material Dealers Association

    EIN 530115720 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. National Main Street Center Inc

    EIN 461405965 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. National Mall Conservancy

    EIN 680648222 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  36. National Marine Engineers' Beneficial Association

    EIN 136019223 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Marine Manufacturers Association

    EIN 362369301 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. National Maritime Safety Association Inc

    EIN 232119829 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. National Mass Action Defense Resource Center

    EIN 830356240 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  40. National Matching Program Inc

    EIN 880690855 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. National Migrant and Seasonal Head Start Association

    EIN 300086410 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. National Mining Association

    EIN 521916480 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. National Minority AIDS Council

    EIN 521578289 · Headquarters: Washington, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. National Minority Organ Tissue Transplant Education Program Inc

    EIN 522184699 · Headquarters: Washington, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. National Minority Quality Forum Action Network

    EIN 923410234 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. National Minority Quality Forum Inc

    EIN 311750942 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. NATIONAL MITIGATION BANKING ASSOCIATION Dba Ecological Restoration Bus Assc

    EIN 522109080 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Mltss Health Plan Association

    EIN 813841361 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. National Mobile Voter Project

    EIN 261756428 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  50. National Multicultural Institute

    EIN 521317057 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990

  51. National Multiple Sclerosis Society Maryland Chapter

    EIN 520663815 · Headquarters: WASHINGTON, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  52. National Museum of American Jewish Military History

    EIN 520798339 · Headquarters: Washington, DC, United States · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. National Museum of Catholic Art & Library

    EIN 273050194 · Headquarters: Washington, DC, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. National Museum of the Jewish People Inc

    EIN 200561242 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  55. National Music Publishers Association Inc

    EIN 131078660 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. National Native American Human Resources Association

    EIN 450477831 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. National Neighborhood Housing Network Dba National Neighborworks Association

    EIN 364194807 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Network for Youth Inc

    EIN 521009952 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Network of Nonprofit Search Consultants

    EIN 900413919 · Headquarters: Washington, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. National Network of Public Health Institutes (NNPHI)

    EIN 721505359 · Headquarters: Washington, DC, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. National Network to End Domestic Violence Inc

    EIN 521973408 · Headquarters: Washington, DC, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. National Newspaper Publishers Association Fund Inc

    EIN 521008362 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. National Newspaper Publishers Association Inc

    EIN 520982972 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. National Ocean Industries Association

    EIN 526067118 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. National Oilseed Processors Association

    EIN 362017680 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  66. National Org of Social Security Claimants' Representatives

    EIN 133197146 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. National Organization for the Reform of Marijuana Laws

    EIN 520909444 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. National Organization for Women

    EIN 770404777 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  69. National Organization for Women Foundation Inc

    EIN 521477004 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. National Organization for Women Inc

    EIN 222616105 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. National Organization for Women Inc

    EIN 222743266 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  72. National Organization for Women Inc

    EIN 222743276 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  73. National Organization for Women Inc

    EIN 222743304 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  74. National Organization for Women Inc

    EIN 232258714 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  75. National Organization for Women Inc

    EIN 237094479 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. National Organization for Women Inc

    EIN 351868144 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  77. National Organization for Women Inc

    EIN 510241973 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  78. National Organization for Women Inc

    EIN 521163828 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  79. National Organization for Women Inc

    EIN 521309811 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  80. National Organization for Women Inc

    EIN 521309814 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  81. National Organization for Women Inc

    EIN 521624106 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  82. National Organization for Women Inc

    EIN 521624786 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  83. National Organization for Women Inc

    EIN 550748261 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. National Organization for Women Inc

    EIN 752643772 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  85. National Organization for Women Inc

    EIN 911756673 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  86. National Organization for Women Inc

    EIN 931225553 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  87. National Organization for Women Inc

    EIN 931225606 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. National Organization for Women Inc Southern Prince Georges Cty Md0275

    EIN 521163850 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  89. National Organization of Black County Officials Inc

    EIN 330031000 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. National Organization of Black Elected Legislative

    EIN 954546966 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. National Organization of Black Law Enforcement Executives Noble

    EIN 541513091 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Organization of Minority Architects

    EIN 141855267 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Organization of Nurse Practitioner Faculties

    EIN 850320332 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. National Organization of the Phi Kappa Zeta Sorority Inc

    EIN 260478709 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Organization of Veterans'advocates Inc

    EIN 593180509 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. National Organization to Insure a Sound Controlled Environment

    EIN 520983418 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Park Hospitality Association

    EIN 540988728 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. National Parking Association

    EIN 530215136 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. National Parks Action Fund

    EIN 810773791 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. National Parks Conservation Association

    EIN 530225165 · Headquarters: Washington, DC, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

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