Nonprofits in District of Columbia

Nonprofits in District of Columbia. Browse 18,651 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 League of American Pen Women Inc

    EIN 464674577 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National League of American Pen Women Inc

    EIN 473684672 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National League of American Pen Women Inc

    EIN 475244204 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National League of American Pen Women Inc

    EIN 510193176 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National League of American Pen Women Inc

    EIN 510232340 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National League of American Pen Women Inc

    EIN 510232343 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National League of American Pen Women Inc

    EIN 510241562 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National League of American Pen Women Inc

    EIN 530115640 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. 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

  10. National League of American Pen Women Inc

    EIN 593454915 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National League of American Pen Women Inc

    EIN 731413544 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National League of American Pen Women Inc

    EIN 911825133 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National League of American Pen Women Inc

    EIN 911825138 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National League of American Pen Women Inc

    EIN 911825141 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National League of American Pen Women Inc

    EIN 911825148 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National League of American Pen Women Inc

    EIN 911825151 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National League of American Pen Women Inc

    EIN 911825160 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National League of American Pen Women Inc

    EIN 911825164 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National League of American Pen Women Inc

    EIN 911825229 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National League of American Pen Women Inc

    EIN 911825247 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National League of American Pen Women Inc

    EIN 911825250 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National League of American Pen Women Inc

    EIN 911825251 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. 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

  24. National League of American Pen Women Inc

    EIN 911825255 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. 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

  26. National League of American Pen Women Inc

    EIN 911954895 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National League of American Pen Women Inc

    EIN 911954896 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. 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

  29. 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

  30. National League of American Pen Women Inc

    EIN 911955193 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. 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

  32. 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

  33. National League of American Pen Women Inc

    EIN 941735547 · Headquarters: Washington DC, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. 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

  35. National League of Cities

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

  36. National League of Cities Institute Inc

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

  37. National Leased Housing Association

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

  38. 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

  39. National Lesbian & Gay Journalists Association

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

  40. National Lesbian and Gay Law Association

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

  41. 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

  42. National Lgbtq Task Force

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

  43. 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

  44. 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

  45. National Links Trust

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

  46. National Low Income Housing Coalition

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

  47. 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

  48. National Lumber & Building Material Dealers Association

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

  49. 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

  50. National Mall Conservancy

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

  51. National Marine Engineers' Beneficial Association

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

  52. National Marine Manufacturers Association

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

  53. National Maritime Safety Association Inc

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

  54. National Mass Action Defense Resource Center

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

  55. National Matching Program Inc

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

  56. National Migrant and Seasonal Head Start Association

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

  57. National Mining Association

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

  58. National Minority AIDS Council

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

  59. 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

  60. National Minority Quality Forum Action Network

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

  61. National Minority Quality Forum Inc

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

  62. 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

  63. 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

  64. National Mobile Voter Project

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

  65. National Multicultural Institute

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

  66. 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

  67. 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

  68. National Museum of Catholic Art & Library

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

  69. 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

  70. National Music Publishers Association Inc

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

  71. National Native American Human Resources Association

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

  72. 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

  73. National Network for Youth Inc

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

  74. National Network of Nonprofit Search Consultants

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

  75. 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

  76. 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

  77. National Newspaper Publishers Association Fund Inc

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

  78. National Newspaper Publishers Association Inc

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

  79. National Ocean Industries Association

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

  80. National Oilseed Processors Association

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

  81. 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

  82. 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

  83. 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

  84. 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

  85. 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

  86. 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

  87. 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

  88. 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

  89. 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

  90. National Organization for Women Inc

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

  91. 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

  92. 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

  93. National Organization for Women Inc

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

  94. 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

  95. 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

  96. 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

  97. 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

  98. 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

  99. 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

  100. 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

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