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. Committee of the American Majority Inc

    EIN 934221178 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Committee on Pipe and Tube Imports

    EIN 521390829 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Committee on Puerto Rico and the Us Constitution

    EIN 820731114 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Committee to Reopen America Inc

    EIN 851012189 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Committee to Safely Reopen America Inc

    EIN 851027106 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Committee to Support the Antitrust Laws

    EIN 521499360 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  7. Commodity Markets Council

    EIN 521420879 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Common Cause

    EIN 526078441 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Common Purpose Project Inc

    EIN 264325985 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  10. Common Sense Coalition

    EIN 990802724 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Common Sense Society

    EIN 861543050 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  12. Commonwealth Resilience Fund

    EIN 993152777 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Communication Workers of America

    EIN 530050190 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Communication Workers of America Retired Members Council

    EIN 521968769 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Communications Workers of America

    EIN 530246709 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Communications Workers of America Cwa Local 2336

    EIN 530066147 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Communications Workers of America Local 14904

    EIN 237350589 · Headquarters: NW WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Communio

    EIN 237390156 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  19. Communities United Action Fund

    EIN 931889119 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Community

    EIN 861765319 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Community Action Initiative Inc

    EIN 472756535 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Community Action Partnership

    EIN 521120274 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Community Based Instruction Services Inc

    EIN 521231991 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. Community Change Voters Mi

    EIN 831684024 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Community Clean Energy Coalition

    EIN 923931635 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Community Conversations a Project for America

    EIN 874353653 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Community Forward Initiative

    EIN 412700476 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Community Housing for the Hearing Impaired Inc

    EIN 521214457 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Community Tax Aid Inc

    EIN 521557807 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Companies for Causes

    EIN 272808532 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Compassionate Conservative Revival

    EIN 934481526 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Competitive Enterprise Institute

    EIN 521351785 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Competitive Markets Action Inc

    EIN 931632060 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Complex Insurance Claims Litigation Association

    EIN 510296468 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Composite Can & Tube Instutute Inc

    EIN 530261035 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Computer & Communications Industry Association

    EIN 956377796 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Computer Science Educa Coalition

    EIN 811937784 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  38. Comunidades Transnacionales Salvadorenas Americanas Cotsa

    EIN 272048548 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Concerns of Police Survivors

    EIN 522203759 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Concilio De Las Iglesias Evangelicas Apostoles Y Profetas Efesios-220 Inc

    EIN 465445429 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  41. Congressional Chorus

    EIN 541534910 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  42. Congressional Club Museum and Foundation

    EIN 526071828 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Congressional Hispanic Caucus Institute Inc

    EIN 521114225 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Congressional Integrity Project

    EIN 851339862 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Congressional Inventions Project

    EIN 334500201 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Congressional Sportsmen's Foundation

    EIN 521686163 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. CongressStrong Action Inc

    EIN 994420488 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Connectdmv

    EIN 822299912 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Connecticut Corner Coalition

    EIN 464303298 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  50. Consolidated Transportation Insurance Trust Fund

    EIN 521127513 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  51. Consortium for Homeland Security Technology Inc

    EIN 473584495 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Construction Industry Labor-management Trust Fund

    EIN 526373723 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Construction Labor Research Council

    EIN 521148917 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Construction Legal Rights Foundation

    EIN 521687857 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Consumer and Workforce Institute

    EIN 882857186 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Consumer Bankers Association

    EIN 530112431 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  57. Consumer Choice Alliance

    EIN 832190397 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. Consumer Credit Insurance Assn

    EIN 362192335 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Consumer Data Industry Association

    EIN 430164315 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Consumer Debt Relief Initiative

    EIN 853391179 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Consumer Healthcare Products Association

    EIN 530175639 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Contact Lens Institute

    EIN 521309154 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Contango Foundation

    EIN 463886748 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  64. Continental Societies Inc

    EIN 363690276 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. Control Ai Us Inc

    EIN 333361748 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Cooperative and Support

    EIN 522331133 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  67. Copper & Brass Fabricators Council Inc

    EIN 131994754 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  68. Corcoran St Condo Association

    EIN 473952264 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Corn Refiners Association Inc

    EIN 520230814 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Cornell Club of Washington

    EIN 237346549 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Cornell University Real Estate Alumni Network Dc Area

    EIN 800880383 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Corporate Environmental Enforcement Council

    EIN 541737277 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Corporation for Independent Higher Education

    EIN 521118295 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Cosmos Club

    EIN 530052500 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Cotton Council International

    EIN 626046706 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Council for Advancement and Support of Education - District V

    EIN 521135741 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  77. Council for Advancement and Support of Education District I

    EIN 521136318 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  78. Council for Advancement and Support of Education District Ii

    EIN 521135734 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  79. Council for Advancement and Support of Education District Iii

    EIN 521135745 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  80. Council for Advancement and Support of Education District Iv

    EIN 521135743 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  81. Council for Advancement and Support of Education District Vi

    EIN 521135739 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  82. Council for Advancement and Support of Education District Vii

    EIN 521135737 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  83. Council for Advancement and Support of Education District Viii

    EIN 521135735 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  84. Council for American Private Education

    EIN 237218933 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Council for Court Excellence

    EIN 521241825 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Council for Economic Resilience

    EIN 994366231 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Council for Educational Development and Research Inc

    EIN 237124555 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Council for Innovation Promotion

    EIN 882373877 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Council for National Policy

    EIN 720921017 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Council for Opportunity in Education

    EIN 521221301 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Council for Research in the Renaissance

    EIN 310718642 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Council for Responsible Nutrition

    EIN 520975324 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Council of Churches of Greater Washington

    EIN 530162852 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. Council of Federal Home Loan Banks

    EIN 541877922 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Council of Former Federal Executives Inc

    EIN 541680168 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Council of Independent Colleges

    EIN 016004776 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Council of Infrastructure Financing Authorities

    EIN 521580574 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Council of Institutional Investors

    EIN 521380217 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Council of Large Public Housing Authori Authorities

    EIN 042752972 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  100. Council of State Restaurant Associations Inc

    EIN 710653481 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

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