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 Parks Promotion Council

    EIN 273946518 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  2. National Partnership for Women & Families Action Fund

    EIN 522324155 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. National Partnership for Women and Families

    EIN 237124915 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. National Pasta Association

    EIN 361524090 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. National Peace Corps Association

    EIN 581431113 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. National Pecan Federation Inc

    EIN 823541348 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. National Performance Initiative Corporation

    EIN 261641471 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  8. National Performing Arts Funding Exchange

    EIN 811149904 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. National Petroleum Council

    EIN 530182304 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. National Petroleum Council Health & Welfare Trust

    EIN 472257585 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. National Pharmaceutical Council Inc

    EIN 131772100 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. National Physicians Alliance

    EIN 113783846 · Headquarters: WASHINGTON, DC, USA · Medical Research · Latest available filing year: 2011 · Primary form: IRS Form 990

  13. National Plan to End Interpersonal Violence Across the Lifespan Inc

    EIN 332160118 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Plastics Museum Inc

    EIN 042770150 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  15. National Policy and Advocacy Council on Homelessness

    EIN 421613416 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  16. National Political Caucus Lead

    EIN 521134965 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. National Postal Mail Handlers Union

    EIN 340702551 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. National Potato Council

    EIN 530216598 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. National Propane Gas Association

    EIN 362087363 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. National Propane Gas Foundation

    EIN 237122755 · Headquarters: Washington, DC, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. National Public Education Action Fund

    EIN 262819027 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. National Public Education Foundation

    EIN 262818981 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  23. National Public Education Support Fund

    EIN 263015634 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. National Public Pension Coalition

    EIN 205939282 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. National Public Radio Inc

    EIN 520907625 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  26. National Public Square

    EIN 272701568 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  27. National Puerto Rican Chamber of Commerce

    EIN 272853899 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. National Quality Forum

    EIN 522175544 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. National Queer Advocacy Group

    EIN 861351558 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. National Railway Historical Society Washington D

    EIN 237386340 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Redistricting Action Fund

    EIN 820738281 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. National Redistricting Foundation

    EIN 820757693 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. National Refractory Industry Joint Committee

    EIN 521372799 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. National Register of Health Service Psychologists

    EIN 237407981 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. National Regulatory Research Institute

    EIN 261439365 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  36. National Religious Broadcasters

    EIN 221841274 · Headquarters: Washington, DC, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Religious Campaign Against Torture

    EIN 208832485 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. National Religious Campaign Against Torture Action Fund

    EIN 261545982 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Religious Partnership for the Environment

    EIN 136996770 · Headquarters: WASHINGTON, DC, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. National Resident Matching Program

    EIN 362249886 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. National Restaurant Association

    EIN 320376712 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990

  42. National Restaurant Association

    EIN 361525480 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. National Retail Federation Inc

    EIN 135582627 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. National Reverse Mortgage Lenders Association

    EIN 522062500 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. National Rural Housing Coalition

    EIN 520952436 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. National Safety Partners Inc

    EIN 311712945 · Headquarters: Washington, DC, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  47. National Science and Technology Medals Foundation Inc

    EIN 521703587 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. National Science Policy Network

    EIN 331309458 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. National Security Action

    EIN 822007387 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. National Security Archive Fund Inc

    EIN 222127884 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. National Security Division Association

    EIN 413634094 · Headquarters: Washington, DC, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. National Security Enterprise

    EIN 463623611 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  53. National Security Initiative

    EIN 043813046 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. National Security Leaders for America

    EIN 871436723 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. National Security Network

    EIN 412143455 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990

  56. National Security Policy Initiative

    EIN 871898071 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Senior Communities

    EIN 141849849 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. National Senior Communities

    EIN 510536892 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. National Senior Communities

    EIN 521874053 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. National Senior Communities

    EIN 522095427 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. National Senior Communities

    EIN 522126751 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. National Senior Communities

    EIN 522126753 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. National Senior Communities

    EIN 522126755 · Headquarters: Washington, DC, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. National Senior Communities

    EIN 522184915 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. National Senior Communities

    EIN 522291271 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. National Senior Communities

    EIN 522324152 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. National Senior Communities

    EIN 550878964 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. National Senior Communities

    EIN 870765641 · Headquarters: Washington, DC, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. National Senior Communities

    EIN 922254866 · Headquarters: Washington, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. National Senior Communities Inc

    EIN 204356247 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. National Senior Communities, Inc.

    EIN 371742780 · Headquarters: Washington, DC, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. National Senior Communities, Inc.

    EIN 510549976 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. National Seniors Policy Center

    EIN 823304242 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. National Skills Coalition

    EIN 300075580 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. National Sleep Foundation

    EIN 411678336 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. National Small Business United

    EIN 530233266 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. National Social Anxiety Center

    EIN 472818271 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. National Society Colonial Dames Xvii Century

    EIN 510193933 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  79. National Society Colonial Dames Xvii Century

    EIN 520743850 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. National Society Colonial Dames Xvii Century

    EIN 521927192 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Society Colonial Dames Xvii Century

    EIN 640645197 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. National Society Dames of the Court of Honor

    EIN 237187230 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. National Society Daughter of the American Colonists

    EIN 546059549 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. National Society Daughters of American Colonists

    EIN 271076442 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Society Daughters of American Colonists

    EIN 301406038 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Society Daughters of American Colonists

    EIN 846036153 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Society Daughters of American Colonists

    EIN 902422820 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Society Daughters of the a Merican Colonists

    EIN 911699076 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Society Daughters of the American Colonist

    EIN 166100272 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. National Society Daughters of the American Colonist

    EIN 205890151 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Society Daughters of the American Colonist

    EIN 237005587 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Society Daughters of the American Colonist

    EIN 272788289 · Headquarters: WASHINGTON, DC, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  93. National Society Daughters of the American Colonist

    EIN 384028908 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. National Society Daughters of the American Colonist

    EIN 462695034 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Society Daughters of the American Colonist

    EIN 470897967 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. National Society Daughters of the American Colonist

    EIN 471558993 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Society Daughters of the American Colonist

    EIN 472324905 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. National Society Daughters of the American Colonist

    EIN 474018787 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Society Daughters of the American Colonist

    EIN 475467181 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Society Daughters of the American Colonist

    EIN 813247426 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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