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. Intl Centre on Child Labor and Educ

    EIN 300080337 · Headquarters: Washington, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  2. Intown Playgroup Inc

    EIN 521196194 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Inventors Defense Alliance

    EIN 994721841 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Invest in Arizona

    EIN 831157727 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  5. Invest in New Mexico

    EIN 831276385 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. Invest in Our Families

    EIN 871027099 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Invest Outside

    EIN 821348873 · Headquarters: Washington, DC, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Invest to Compete Alliance

    EIN 521443384 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  9. Invested Collective

    EIN 455582658 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  10. Investigative Project on Terrorism Foundation

    EIN 134331855 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Investing in Education Foundation

    EIN 203287590 · Headquarters: washington, DC, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  12. Investment Adviser Association

    EIN 136130873 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Investment Company Institute

    EIN 135266605 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  14. Investor Protection Institute

    EIN 262504761 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990

  15. Investor Protection Trust

    EIN 396570280 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Investors Action Foundation

    EIN 201948035 · Headquarters: Washington, DC, USA · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  17. Invisible Angels

    EIN 872729721 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Invisible Children Inc

    EIN 542164338 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Invisible College

    EIN 204150272 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  20. Iona Senior Services

    EIN 521039553 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Ionia R Whipper Home Inc

    EIN 530227958 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Iota Pelatis Auxiliary of Iota Phi Lambda Soroity

    EIN 561651678 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Iota Phi Lambda Sorority

    EIN 510194768 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Iota Phi Lambda Sorority

    EIN 831466780 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Iota Phi Lambda Sorority Educational Fund

    EIN 363062953 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Iota Phi Lambda Sorority Gamma Erichment & Empowerment Fund Inc

    EIN 472620835 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Iota Phi Lambda Sorority Inc

    EIN 237382814 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Iota Phi Lambda Sorority Inc

    EIN 237390385 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Ipaa Educational Foundation

    EIN 521849282 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. Ipm International Inc

    EIN 522323965 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Ipx Foundation Inc

    EIN 394490838 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Iran & Its Future Org

    EIN 205137013 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  33. Iranian American Bar Association

    EIN 311787382 · Headquarters: WASHINGTON, DC, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Iranian American Bar Association Foundation

    EIN 462150768 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Iraq and Afghanistan Veterans of America Action Fund

    EIN 201303879 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Iraq and Afghanistan Veterans of America Inc

    EIN 201664531 · Headquarters: WASHINGTON, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Iraq Fund for Higher Education

    EIN 844738191 · Headquarters: Washington, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Iraq Poultry Fund Trust

    EIN 576221223 · Headquarters: WASHINGTON, DC, USA · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  39. Iraqi Womens Fellowship Foundation

    EIN 262205894 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  40. Irex

    EIN 223087809 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Iris Baker - Ahava 1143

    EIN 272033980 · Headquarters: WASHINGTON, DC, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. Irish American Unity Conference

    EIN 800596583 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Irish American Unity Conference Inc

    EIN 742416944 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Irish National Caucus

    EIN 521314571 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Irish National Caucus Foundation Inc

    EIN 521141658 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Irish Peace Foundation Inc

    EIN 522022766 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Irob Relief and Rehabilitation Operations Brotherhood Irrob Inc

    EIN 113676613 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  48. Iron Workers Disaster Relief Fund

    EIN 522344596 · Headquarters: WASHINGTON, DC, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  49. Iron Workers Welfare Fund

    EIN 816696028 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  50. Irreecha Festival & Oromo Cultural Heritage - Ifohf

    EIN 992902688 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Irregular Warfare Initiative Inc

    EIN 884359941 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Isa Muscat 2024

    EIN 923541490 · Headquarters: WASHINGTON, DC, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Isabella & Ferdinand Academia De Espanol

    EIN 454806970 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Isabelle Robinson Hammond Music & Fine Arts Scholarship Fund

    EIN 800684969 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Isadore & Bertha Gudelsky Family Fnd Inc C/o Arnold & Porter Kaye Scholer Llp

    EIN 526036621 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Isar Inc

    EIN 521289651 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  57. Iseh Society for Hematology and Stem Cells

    EIN 237722003 · Headquarters: Washington, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  58. Isf Advisors Inc

    EIN 871088927 · Headquarters: WASHINGTON, DC, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Ishango Foundation

    EIN 333952077 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Islamic Aid

    EIN 270500129 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Islamic Free Market Institute Foundation

    EIN 522105109 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  62. Island Press

    EIN 942578166 · Headquarters: WASHINGTON, DC, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. ISM-National Capital Area Inc

    EIN 237065808 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Israel Democracy Coalition

    EIN 934608301 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Israel Democracy Fund

    EIN 992371930 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Israel Manor Inc

    EIN 522094101 · Headquarters: Washington, DC, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Israel on Campus Coalition Inc

    EIN 300664947 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Isri Services Corporation

    EIN 201400255 · Headquarters: WASHINGTON, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Issele Association of North America Inc

    EIN 522294716 · Headquarters: WASHINGTON, DC, US · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Issue One

    EIN 320384285 · Headquarters: WASHINGTON, DC, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Issue One Action

    EIN 460792299 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Ist-mo Gun Reform Nominee Pac Number One

    EIN 831382634 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Ist-mo Labor Nominee Pac Number One

    EIN 831938931 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Ist-mo Nominee Pac Number One

    EIN 831115669 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Ist-mo Nominee Pac Number Two

    EIN 831118912 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  76. Ist-mo Pro-choice Nominee Pac Number One

    EIN 831399418 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Iswf Broadcastin Network Inc

    EIN 814174424 · Headquarters: WASHINGTON, DC, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. It Starts Today Missouri

    EIN 831105337 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. It Takes a Village Dc

    EIN 861442713 · Headquarters: Washington, DC, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Italian American Leadership Forum

    EIN 932227813 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Italian American Policy Center

    EIN 881436881 · Headquarters: Washington, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Italians in Dc Inc

    EIN 273260809 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Italic-us Foundation

    EIN 392552272 · Headquarters: WASHINGTON, DC, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ithings 2 Collard Greens Inc

    EIN 842565814 · Headquarters: WASHINGTON, DC, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Its About Us

    EIN 831312133 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Its About Us Fund

    EIN 862977871 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. ITS America

    EIN 521702822 · Headquarters: Washington, DC, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. ITS America

    EIN 911939344 · Headquarters: WASHINGTON, DC, USA · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990

  89. Its in the Genes Ii Inc

    EIN 815073552 · Headquarters: WASHINGTON, DC, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Its Instrumental

    EIN 811027081 · Headquarters: WASHINGTON, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990

  91. Itt Sector Coordinating Council

    EIN 208249900 · Headquarters: washington, DC, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Iu Operating Engineers & Pipe Line Contractors Assn Lm Coop Trust

    EIN 516514128 · Headquarters: WASHINGTON, DC, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Iuoe & Pipeline Contractors Association National Pipeline Training Fund

    EIN 521829212 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Iuoe Training and Education Center Inc

    EIN 812416935 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Ivy City Dean Wood and Trindad Training Institute Inc

    EIN 870741266 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Ivy City Trinidad Citizens Association Incorporated

    EIN 521888697 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  97. Ivy Davis Foundation

    EIN 471440069 · Headquarters: Washington, DC, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  98. J C Bilingual School

    EIN 462828816 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  99. J C Nalle Es Pto

    EIN 933482376 · Headquarters: Washington, DC, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. J Gerard Peace Foundation

    EIN 334211047 · Headquarters: Washington, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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