Unknown & Unclassified nonprofits in District of Columbia

Unknown & Unclassified nonprofits in District of Columbia. Browse 4,522 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. Washington Christian Assembly Inc

    EIN 237230984 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  2. Washington City Orphan Asylum

    EIN 530162650 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  3. Washington Coal Club

    EIN 541223629 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Washington Council No 1 Cryptic Masons

    EIN 851611388 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Washington Council of Lawyers

    EIN 237226323 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Washington D C Alumnae Foundation Inc

    EIN 521433878 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Washington D C Shotokan Karate Club Inc

    EIN 521743327 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Washington Drawing Center

    EIN 463471008 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  9. Washington Fisk Club of the Fisk University Alumni Association

    EIN 526043665 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Washington Foreign Law Society

    EIN 521134285 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Washington Gas Light Company Management Veba

    EIN 137024160 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Washington Gas Light Company Union Veba

    EIN 133810146 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Washington Heads of Office Leadership Council

    EIN 853490849 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Washington Improvisational Theater Company

    EIN 521543346 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Washington Institute for Business Government And Society

    EIN 830945899 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  16. Washington Intl Trade Association

    EIN 521462468 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  17. Washington Literacy Center

    EIN 526063003 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Washington Metropolitan Chapter of Certified Fraud Examiners Inc

    EIN 521729453 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Washington Metropolitan Federal Bureau of Investigation Recreation Assn Inc

    EIN 536009326 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Washington National Eye Center Foundation

    EIN 521470885 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Washington National Eye Center Inc

    EIN 521325467 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Washington Philatelic Society

    EIN 526049041 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Washington Print Club

    EIN 526068201 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Washington Sculptors Group

    EIN 521381035 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Washington Society of the Archaeological Institute of Americ

    EIN 521536581 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Washington Teachers Union Local #6

    EIN 526055480 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Washington Theological Consortium

    EIN 520907110 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Washington Tuskegee Alumni Club Inc

    EIN 237407843 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. Washington Volunteer Readers for the Blind

    EIN 521207116 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Washington Wrestling Club

    EIN 383822159 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  31. Washington Writers Publishing House Inc

    EIN 237357102 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Washington-baltimore Newspaper Guild Cwa Local 32035

    EIN 530163247 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Waste-to-energy Association

    EIN 521754369 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Water Systems Council

    EIN 520730143 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Waterfront Academy Inc

    EIN 463752549 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  36. We Care DMV Day Services Inc

    EIN 530245286 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. We See You

    EIN 934759850 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. We Strive Coalition

    EIN 833856840 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. We Work for Health

    EIN 871154775 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Wealthylife Foundation

    EIN 832006674 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  41. Wessel Foundation

    EIN 136277807 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  42. West End Citizens Association

    EIN 522156084 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. West End Library Friends

    EIN 061308108 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Western Avenue Citizens Association Inc

    EIN 522020679 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Western Coal Traffic League

    EIN 521206904 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Western States Tourism Policy Council

    EIN 931033972 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Westport Fund

    EIN 446007971 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. Westside Club of Georgetown Inc

    EIN 521623174 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Wetheaction

    EIN 821550002 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  50. Whispering Bells Foundation C/o Elizabeth Workman

    EIN 136962126 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Whistleblower Inc

    EIN 333831132 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. White House Athletic Center

    EIN 521588815 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. White House Foreign Correspondents Association

    EIN 412520435 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. White House News Photographers Association

    EIN 526043226 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Whitman Holiday Fund

    EIN 854076017 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Wholesale Florist & Florist Supplier Association Inc

    EIN 520748596 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. WiFi Forward

    EIN 992115177 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Wilderness Society Action Fund

    EIN 821742996 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  59. Wilkes Artis Chartered

    EIN 521272246 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. William C Paley Foundation Inc

    EIN 521821231 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. William Orr Dingwall Foundation Inc C/o John D Ward Esquire

    EIN 521877552 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  62. William R Singleton Masonic Temple Association

    EIN 530175008 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. William Wendt Center for Loss and Healing

    EIN 521095105 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  64. Win the Era Action Fund

    EIN 850644358 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Windom Fund

    EIN 521214397 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Window & Door Manufacturers Association

    EIN 361522410 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Window Covering Manufacturers Association Inc

    EIN 222293809 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Window Covering Safety Council Inc

    EIN 223321197 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Wine & Spirits Wholesalers of America Inc

    EIN 430590389 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Wineamerica

    EIN 161135219 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Winning for Women Inc

    EIN 821505471 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Woman's National Democratic Club

    EIN 530169720 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Women 2 Women Conversations

    EIN 471938864 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. Women Construction Owners and Executives USA

    EIN 911242049 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  75. Women in Aerospace Inc

    EIN 541411707 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Women in Cable Telecommunications Group

    EIN 363539302 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Women in Film & Video Inc

    EIN 521175294 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Women in Government Foundation Inc

    EIN 541527192 · Headquarters: Washington DC, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Women's Transportation Seminar

    EIN 521168509 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Womens Action for New Directions Inc

    EIN 042777891 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  81. Womens Institute for Freedom of the Press

    EIN 237274004 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Woodland Normanstone Neighborhood Association

    EIN 521618613 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Woodley Housing Corporation

    EIN 521158363 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Woodley Park Community Association

    EIN 521462502 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Woodner Tenants Union

    EIN 394430301 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Woodridge Post 9755 Veterans of Foreign Wars2

    EIN 464685259 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  87. Word Works Inc

    EIN 521042022 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Workgroup for Electronic Data Interchange

    EIN 364026135 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Working America

    EIN 200263611 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Working America Action

    EIN 990949812 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Working America Education Fund Title Holding Company

    EIN 882432964 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. World Bank Family Network Book Project

    EIN 521708320 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. World Bank Group Staff Association

    EIN 521336927 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. World Cocoa Foundation Inc

    EIN 541715875 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. World Council of Credit Unions Inc

    EIN 391143339 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. World Fed of Direct Selling Assn

    EIN 521160707 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. World Forest ID Association

    EIN 862654210 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. World Insurance Promotion Assn

    EIN 814522533 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Wren Action Group

    EIN 331929112 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Write Away

    EIN 850604362 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

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