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 Society of the Daughters of the American Colonists

    EIN 581589186 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Society of the Daughters of the American Revolution

    EIN 046054595 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  3. National Society of the Daughters of the American Revolution

    EIN 046068293 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Society of the Daughters of the American Revolution

    EIN 066044345 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Society of the Daughters of the American Revolution

    EIN 236297521 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Society of the Daughters of the American Revolution

    EIN 237026384 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Society of the Daughters of the American Revolution

    EIN 237026451 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Society of the Daughters of the American Revolution

    EIN 237027707 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Society of the Daughters of the American Revolution

    EIN 237048979 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Society of the Daughters of the American Revolution

    EIN 256065738 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Society of the Daughters of the American Revolution

    EIN 275523785 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. National Society of the Daughters of the American Revolution

    EIN 356042384 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Society of the Daughters of the American Revolution

    EIN 356066573 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  14. National Society of the Daughters of the American Revolution

    EIN 371031790 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. National Society of the Daughters of the American Revolution

    EIN 376045748 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Society of the Daughters of the American Revolution

    EIN 463826548 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Society of the Daughters of the American Revolution

    EIN 486121397 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Society of the Daughters of the American Revolution

    EIN 526046157 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Society of the Daughters of the American Revolution

    EIN 526046262 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Society of the Daughters of the American Revolution

    EIN 526054339 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. National Society of the Daughters of the American Revolution

    EIN 526054393 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. National Society of the Daughters of the American Revolution

    EIN 526054415 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Society of the Daughters of the American Revolution

    EIN 526054416 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Society of the Daughters of the American Revolution

    EIN 526054438 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Society of the Daughters of the American Revolution

    EIN 541053007 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Society of the Daughters of the American Revolution

    EIN 546052473 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. National Society of the Daughters of the American Revolution

    EIN 566060603 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Society of the Daughters of the American Revolution

    EIN 566061300 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National Society of the Daughters of the American Revolution

    EIN 581712902 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  30. National Society of the Daughters of the American Revolution

    EIN 743041704 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. National Society of the Daughters of the American Revolution

    EIN 931331215 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. National Society of the Daughters of the American Revolution

    EIN 956190449 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Society of the Daughters of the Barons of Runnemede Inc

    EIN 546045225 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. National Society of the Sons of the American Revolution - Dc Society

    EIN 530237718 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  35. National Society United States Daughters of 1812

    EIN 010819839 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. National Society United States Daughters of 1812

    EIN 200600324 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  37. National Society United States Daughters of 1812

    EIN 352521641 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. National Society United States Daughters of 1812

    EIN 510183242 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. National Society United States Daughters of 1812

    EIN 510213307 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  40. National Society United States Daughters of 1812

    EIN 530116360 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  41. National Society United States Daughters of 1812

    EIN 640712912 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. National Society United States Daughters of 1812

    EIN 920168855 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  43. National Sorority of Phi Delta Kappa Inc

    EIN 521061357 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. National Space Club

    EIN 520789500 · Headquarters: WASHINGTON, DC, USA · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  45. National Space Society

    EIN 237417411 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. National Special Districts Association

    EIN 332638989 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. National Spectrum Consortium

    EIN 881444289 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Star Route Contractors Group

    EIN 237063747 · Headquarters: WASHINGTON, DC, USA · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990

  49. National Structured Settlements Trade Association

    EIN 954020047 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. National Student Achievement Awards

    EIN 522044109 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  51. National Student Legal Defense Network

    EIN 823474942 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. National Summer Learning Association Inc

    EIN 263356271 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. National Summit on Africa

    EIN 522018801 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. National Surgical Assistant Association

    EIN 541123342 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  55. National Sustainable Agriculture Coalition

    EIN 334933815 · Headquarters: Washington, DC, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. National Symphony Orch Assn of Washington Dc

    EIN 530208364 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. National Symphony Orchestra Musicians Society

    EIN 454785524 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. National Taxpayers Union

    EIN 521009116 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Taxpayers Union Foundation

    EIN 521122683 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. National Tbi Traumatic Brain Injury Registry Coalition

    EIN 872947772 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. National Teacher Assistance Organization

    EIN 273281010 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. National Technical Association

    EIN 510144210 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. National Technical Association Inc

    EIN 800544813 · Headquarters: WASHINGTON, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  64. National Theatre of the Deaf Inc

    EIN 061051786 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. National Theatre Workshop of the Handicapped Inc

    EIN 133014559 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990

  66. National Timber Harvesting & Transportation Safety Foundation

    EIN 521786444 · Headquarters: Washington, DC, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. National Treasury Employee Union Chapter 346

    EIN 612245246 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Treasury Employees Union

    EIN 222611047 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  69. National Treasury Employees Union

    EIN 237372529 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  70. National Treasury Employees Union

    EIN 237383295 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. National Treasury Employees Union

    EIN 331037966 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. National Treasury Employees Union

    EIN 371755148 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Treasury Employees Union

    EIN 371770954 · Headquarters: Washingon, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Treasury Employees Union

    EIN 510178157 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. National Treasury Employees Union

    EIN 521063245 · Headquarters: Washington, DC, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. National Treasury Employees Union

    EIN 521271021 · Headquarters: WASHINGTON DC, DC, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. National Treasury Employees Union

    EIN 521328899 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. National Treasury Employees Union

    EIN 521493233 · Headquarters: WASHINGTON, DC, US · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  79. National Treasury Employees Union

    EIN 521516013 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. National Treasury Employees Union

    EIN 522267542 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. National Treasury Employees Union

    EIN 530244795 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  82. National Treasury Employees Union

    EIN 550836643 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. National Treasury Employees Union

    EIN 870619253 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. National Treasury Employees Union

    EIN 911883325 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. National Treasury Employees Union

    EIN 911963005 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. National Treasury Employees Union Chapter 335

    EIN 463023637 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. National Treasury Employees Union Chapter 344

    EIN 331679307 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  88. National Treasury Employees Union Chapter 345

    EIN 320800128 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Treasury Employees Union Chapter 65

    EIN 526056488 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. National Treasury Employees Union Chapter No 343

    EIN 933150572 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Trust for Historic Preservation

    EIN 530210807 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. National Turkey Federation Foundation

    EIN 811823264 · Headquarters: WASHINGTON, DC, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Turkey Federation Inc

    EIN 362033000 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. National US-Arab Chamber of Commercenon

    EIN 521529937 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. National Utility Contractors Association -Washington DC Chapter

    EIN 454687582 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. National Utility Industry Training Fund

    EIN 263189488 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. National Valet Parking Association Inc

    EIN 061699614 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  98. National Venture Capital Association

    EIN 521296842 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. National Veteran Small Business Coalition

    EIN 272901001 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. National Veterans Parade Foundation

    EIN 922400150 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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