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. Order of Ahepa 118 Ypsilanti

    EIN 237566092 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Order of Ahepa 155 Hopewell

    EIN 237566128 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Order of Ahepa 192 Des Moines

    EIN 237566163 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Order of Ahepa 203 Garfield

    EIN 363294133 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Order of Ahepa 207 Mason City

    EIN 237566178 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Order of Ahepa 218 Little Fort

    EIN 237566191 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Order of Ahepa 222 Hawkeye

    EIN 237566194 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Order of Ahepa 232 James Whitcomb Riley

    EIN 237566202 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Order of Ahepa 233 Neptune

    EIN 237566203 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Order of Ahepa 261 Key City

    EIN 237566228 · Headquarters: Washington, DC, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Order of Ahepa 306 Trojan

    EIN 237566283 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Order of Ahepa 323 Oaklawn-englewood

    EIN 237566299 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Order of Ahepa 345 Kankakee

    EIN 237566324 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Order of Ahepa 351 South Chicago

    EIN 237566330 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Order of Ahepa 362 Clinton

    EIN 237566341 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Order of Ahepa 369 Madison

    EIN 237566348 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Order of Ahepa 380 Shoreline

    EIN 237566359 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Order of Ahepa 388 Northwestern

    EIN 237566370 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Order of Ahepa 43 Milwaukee Chapter

    EIN 237566017 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Order of Ahepa 68 Miltiades

    EIN 237566042 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Order of Ahepa 82 Henry W Longfellow

    EIN 237566056 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Order of Ahepa 93 Woodlawn

    EIN 237566067 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Order of Ahepa 94 North Shore

    EIN 366086125 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Order of Ahepa Ahepa Foundation Inc

    EIN 274734593 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Order of Ahepa Auxiliary

    EIN 382910038 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Order of Ahepa Chapter No 300

    EIN 454884230 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Order of Ahepa Cooley's Anemia Foundation

    EIN 112437055 · Headquarters: WASHINGTON, DC, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Order of Ahepa Daughters of Penelope 11 Hermione

    EIN 237566455 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Order of Ahepa Daughters of Penelope 118 Thalia

    EIN 237567010 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  30. Order of Ahepa Daughters of Penelope 128 Medea

    EIN 237567019 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Order of Ahepa Daughters of Penelope 133 Haris

    EIN 237567024 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Order of Ahepa Daughters of Penelope 145 Latona

    EIN 237567036 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. Order of Ahepa Daughters of Penelope 2 Arete

    EIN 237566446 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  34. Order of Ahepa Daughters of Penelope 2 Beta Florida State

    EIN 237566442 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Order of Ahepa Daughters of Penelope 203 Oedipus

    EIN 237567094 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  36. Order of Ahepa Daughters of Penelope 228 Peeria

    EIN 237567118 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Order of Ahepa Daughters of Penelope 246 Laodici

    EIN 237567136 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Order of Ahepa Daughters of Penelope 256 Semale

    EIN 237567146 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Order of Ahepa Daughters of Penelope 298 Aruib

    EIN 237567184 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  40. Order of Ahepa Daughters of Penelope 311 Zoe

    EIN 237567197 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  41. Order of Ahepa Daughters of Penelope 38 Zeus

    EIN 237566482 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Order of Ahepa Daughters of Penelope 42 Helios

    EIN 237566486 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Order of Ahepa Daughters of Penelope 43 Alkandre

    EIN 237566487 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Order of Ahepa Daughters of Penelope 55 Nestor

    EIN 237566499 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Order of Ahepa Daughters of Penelope 70 Klimene

    EIN 237566514 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. Order of Ahepa Daughters of Penelope 9 Hellas

    EIN 237566453 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  47. Order of Ahepa Daughters of Penelope 91 Marathon

    EIN 237566535 · Headquarters: Washington, DC, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Order of Ahepa Daughters of Penelope 98 Homer

    EIN 237566542 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Order of Ahepa Dba Daughters of Penelope Liion 13

    EIN 263257080 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Order of Ahepa Group Return

    EIN 521795318 · Headquarters: WASHINGTON, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Order of Ahepa Maids of Athena

    EIN 521617952 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Order of Ahepa Order of Ahepa Educational Fnd Inc

    EIN 521346175 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Order of Ahepa Sons of Pericles

    EIN 521618329 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Order of Ahepa Sons of Pericles 9

    EIN 237566553 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Order of Ahepa Textile Chapter 242

    EIN 570763074 · Headquarters: Washington, DC, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Order of Ahera

    EIN 474182374 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Order of Aiepa

    EIN 465271230 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. Order of Anepa

    EIN 463891347 · Headquarters: Washington, DC, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Order of the Ahepa

    EIN 593692903 · Headquarters: Washington, DC, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Order of the Eastern Star General Grand Chapter

    EIN 530121305 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Order of the Eastern Star of D C

    EIN 237641357 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Order of the Eastern Star of D C

    EIN 237641362 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Order of the Eastern Star of D C

    EIN 237641364 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Order of the Eastern Star of D C

    EIN 526056827 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Order of the Eastern Star of District of Columbia

    EIN 237137970 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Order of the Eastern Star of District of Columbia

    EIN 237137973 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Order of the Eastern Star of The

    EIN 530121296 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Oregon Avenue Trust Clearbridge LLC TTEE

    EIN 656438016 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Oregon Jobs Through Trade

    EIN 473744485 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Orfelin Circle

    EIN 582680983 · Headquarters: WASHINGTON, DC, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Organic & Natural Health Association

    EIN 471332618 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Organic Trade Association

    EIN 232341522 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Organizacion Internacional Diaspora Dominicana

    EIN 932695094 · Headquarters: WASHINGTON, DC, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Organization for Justice and Acc in the Horn of Af

    EIN 931731026 · Headquarters: WASHINGTON, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Organization for Latino Health Advocacy Inc

    EIN 332162209 · Headquarters: Washington, DC, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Organization for Training Others in Need

    EIN 521786691 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Organization for Youth Empowerment

    EIN 203195935 · Headquarters: WASHINGTON, DC, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Organization of Chinese Americans Inc

    EIN 237250499 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Organization of Iranian American Communities Oiac Inc

    EIN 462061340 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Organization of Professional Employees of the U S Dept of Agric

    EIN 530205358 · Headquarters: Washington, DC, US · Food, Agriculture & Nutrition · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  81. Organization Of Women In International Trade

    EIN 752472676 · Headquarters: Washington, DC, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Organization of Women of the Americas

    EIN 300154855 · Headquarters: WASHINGTON, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  83. Organizing for Action

    EIN 461827418 · Headquarters: Washington, DC, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990

  84. Organizing Neighborhood Equity

    EIN 870766022 · Headquarters: WASHINGTON, DC, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Original Real Men Cook Project

    EIN 900894455 · Headquarters: washington, DC, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  86. Orion Policy Institute

    EIN 862860501 · Headquarters: WASHINGTON, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Oromo Center

    EIN 521986697 · Headquarters: Washington, DC, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Oromo Community Organization

    EIN 521678001 · Headquarters: Washington, DC, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Ortho-toulenediamine Consortium

    EIN 260310389 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  90. Orthodox Peace Fellowship & in Communion Inc

    EIN 814265545 · Headquarters: Washington, DC, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Orthopaedics Overseas Inc

    EIN 311018004 · Headquarters: WASHINGTON, DC, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2019 · Primary form: IRS Form 990

  92. OSA Foundation Inc

    EIN 710913500 · Headquarters: Washington, DC, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Osca Inc

    EIN 831005199 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Oscal Foundation

    EIN 332161379 · Headquarters: Washington, DC, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Osgood Center for International Studies

    EIN 204166786 · Headquarters: Washington, DC, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. Osher Lifelong Learning Institute at American University

    EIN 521636891 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Osiris-pentalpha Lodge #23 Faam

    EIN 530173838 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  98. Osmiini Bee Foundation

    EIN 853933571 · Headquarters: Washington, DC, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Otne Consortium C/o B&c Consortia Management Llc

    EIN 834030033 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Otr Wellness

    EIN 332664512 · Headquarters: WASHINGTON, DC, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

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