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. Campaign to End COVID Now

    EIN 873086499 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  2. Campaign to Protect Patient Health

    EIN 814470482 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Can Manufacturers Institute Inc

    EIN 530236207 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Canadian American Business Council Inc

    EIN 521542724 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Cancer Support Community

    EIN 954163931 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Cannabis Financial Industry Group

    EIN 874417726 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Cannabis Information Project

    EIN 844677843 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Capital Access Alliance

    EIN 923648526 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Capital City (Dc) Chapter of Links Inc

    EIN 521167430 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Capital Clinical Integrated Network

    EIN 462471071 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Capital Healing Arts Collective Inc

    EIN 463807246 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. Capital Tennis Association Inc

    EIN 521915324 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Capital Yacht Club Inc

    EIN 530428700 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Capitol Hill Arts Workshop

    EIN 521015413 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Capitol Hill Baptist Church

    EIN 530232505 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-T

  16. Capitol Hill Chamber Music Festival

    EIN 510631361 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. Capitol Hill Chapter of the Federal Bar Association

    EIN 521194141 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Capitol Hill Lions Club

    EIN 471251724 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Capitol Hill Little League

    EIN 455195826 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Carbonated Beverage Institute

    EIN 135600302 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Cargo Airline Association

    EIN 521245222 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Carlton Club of the District of Columbia

    EIN 536009253 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Carpenters Helping Hands Inc

    EIN 521241116 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Case

    EIN 521012307 · Headquarters: Washington, DC, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Catholic Art Institute Inc

    EIN 852273681 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Catholic Charities of the Archdiocese of Washington

    EIN 020671101 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Catholic Climate Covenant

    EIN 811503864 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Catholic Education Foundation of the Archdiocese of Washington

    EIN 521686826 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  29. Catholics United

    EIN 204898661 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990

  30. Cci Action

    EIN 882523617 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Ccid Club

    EIN 800485628 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  32. Cedar Street Tenant Association

    EIN 824582075 · Headquarters: washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Cellulose Insulation Manufacturers Association

    EIN 311096862 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Cementjob Llc

    EIN 473650723 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  35. Census Bureau Welfare and Recreation Association

    EIN 526063744 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Center for American Racial Equality Education Fund

    EIN 464365497 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  37. Center for Applied Linguistics

    EIN 520807619 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  38. Center for Civic Information

    EIN 854150799 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Center for Cybersecurity Policy & Law

    EIN 824117300 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Center for Education and Medicine Inc

    EIN 521948724 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Center for Equal Opportunity

    EIN 521543156 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Center for Health Policy Development

    EIN 521576801 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Center for Immigration Integrity

    EIN 475323591 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  44. Center for Infrastructure and Economic Development Inc

    EIN 874409450 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  45. Center for Lyme Action

    EIN 841911891 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Center for Nonprofit Advancement

    EIN 521467779 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Center for Spiritual and Ethical Education Inc

    EIN 131628450 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Center for Strategic Tax Reform

    EIN 541631774 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  49. Center for the Economic Analysis of Law Institute

    EIN 521984805 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Center for the Future

    EIN 881795655 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Center for the Study of the Presidency & Congress

    EIN 261558519 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Center for Voting Rights & Protection Inc

    EIN 200316836 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  53. Center for Women Policy Studies

    EIN 520962100 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Center for Workplace Compliance

    EIN 521067287 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Center on Conscience & War

    EIN 530207406 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. CenterInstitute for Legislative Analysis Inc

    EIN 923231068 · Headquarters: washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  57. Centerpoint Missionary Baptist Church

    EIN 263202578 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Central American Resource Center

    EIN 521271888 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Centro Espanol De Washington DC Inc

    EIN 521305041 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Century Limited Inc

    EIN 520823240 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Certified Automotive Parts Association

    EIN 521555372 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Certifying Commission in Medical Management Inc

    EIN 311487805 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Cg-mer Wardroom

    EIN 844299098 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Challenger Center for Space Science Education

    EIN 760192067 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Chamber of Shipping of America

    EIN 520886646 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Change for New Jersey Inc

    EIN 993615984 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Chaplin Hope Tenant Association

    EIN 812593593 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. Chapter III Washington DC The

    EIN 526047523 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Charlotte High Alumni Association Inc

    EIN 521330946 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Charm Cityl Labor Chorus

    EIN 461134824 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Charted Course LLC

    EIN 881690339 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. Check Payment Systems Assn

    EIN 136174436 · Headquarters: WASHINGTON DC, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Cheese Importers Association of America Inc

    EIN 136162023 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Chesapeake Bay Organization Development Network Inc

    EIN 521375641 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Chi Eta Phi Sorority Inc

    EIN 546040360 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Chi Omega Fraternity

    EIN 521346848 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. Child Evangelism Fellowship Inc

    EIN 530235127 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Childhood Education International

    EIN 530204666 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Children Adults Property Services Corp

    EIN 331210917 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Children's Defense Fund Action Council

    EIN 237042525 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Children's Hospital Association

    EIN 510120256 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Chinese Academy of Sciences Alumni Associations of America - Casaaa

    EIN 333641131 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Chinese Community Benevolent Alliance

    EIN 521703998 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Chlorinated Parrafins Industry Association

    EIN 521534760 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. CHN Action

    EIN 365088754 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Chopivsky Family Foundation

    EIN 521493038 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  87. Chris EDU Tech Ward 2

    EIN 852580061 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  88. Christ Child Society Inc

    EIN 530207408 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Christian Family Montessori School Inc

    EIN 521222701 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Christopher Street Project

    EIN 332488177 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Chunkystarr Inc

    EIN 475130890 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. Church in Washington Dc

    EIN 521034519 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  93. Cigar Assoc of America Inc

    EIN 135568722 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Circle K International Inc

    EIN 521704908 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Circular Economy Coalition Inc

    EIN 922753184 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Cities in Action

    EIN 392171886 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. CitiWide Computer Training Center Inc

    EIN 521821950 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  98. Citizens Against Government Waste

    EIN 521363952 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Citizens Association of Georgetown

    EIN 521359105 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Citizens Commission on Human Rights District of Columbia

    EIN 521842070 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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