Nonprofits in Wilmington, Delaware

Nonprofits in Wilmington, Delaware. Browse 5,363 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. Wilmington Alliance Inc

    EIN 510347680 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Wilmington Arts Commission Inc

    EIN 510242271 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  3. Wilmington Ballet Academy of the Dance Inc

    EIN 261861300 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. Wilmington Children's Chorus

    EIN 844741937 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Wilmington Classical Guitar Society

    EIN 463659204 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Wilmington Community Advisory Council Inc

    EIN 852921952 · Headquarters: Wilmington, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Wilmington Community Growth Organization Corporati

    EIN 883650036 · Headquarters: WILMINGTON, DE, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Wilmington Concert Opera Inc

    EIN 824766507 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Wilmington Country Club

    EIN 510054440 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Wilmington De Chapter of the Links Inc

    EIN 510261586 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Wilmington Drama League

    EIN 510058796 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Wilmington Economic Development Corp

    EIN 510240524 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Wilmington Firefighters Association Local 1590

    EIN 516021396 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Wilmington Firefighters Benevolent Fund Inc

    EIN 842234838 · Headquarters: Wilmington, DE, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Wilmington Freedom Alliance

    EIN 851287916 · Headquarters: Wilmington, DE, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Wilmington Friends of Italian Culture Inc

    EIN 208378786 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Wilmington Friends School Inc

    EIN 510064310 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  18. Wilmington Garden Day Inc

    EIN 263559402 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Wilmington Head Start Inc

    EIN 510276298 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  20. Wilmington High School Alumni Inc

    EIN 901020357 · Headquarters: WILMINGTON, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Wilmington Hope Commission Inc

    EIN 262280375 · Headquarters: Wilmington, DE, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Wilmington Housing Partnership

    EIN 510320494 · Headquarters: Wilmington, DE, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Wilmington Institute Free Library

    EIN 510064340 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Wilmington Leaders Alliance Inc

    EIN 813514982 · Headquarters: WILMINGTON, DE, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Wilmington Learning Collaborative Inc

    EIN 923245953 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Wilmington Library Foundation Ii Inc

    EIN 311671853 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Wilmington Little League

    EIN 823793872 · Headquarters: Wilmington, DE, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Wilmington Montessori School Inc

    EIN 510102104 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Wilmington Neighborhood Conservancy Land Bank Corporation

    EIN 811773249 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Wilmington Placemakers Inc

    EIN 811655790 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Wilmington Revitalization Corporation Inc

    EIN 510382699 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Wilmington Rowing Center

    EIN 510279251 · Headquarters: Wilmington, DE, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Wilmington Rugby Football Union

    EIN 832154881 · Headquarters: Wilmington, DE, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Wilmington Senior Center

    EIN 510078398 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  35. Wilmington Ski Club of Delaware

    EIN 510102498 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Wilmington Sudbury School

    EIN 863618317 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Wilmington Tax Group Inc

    EIN 201650131 · Headquarters: Wilmington, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Wilmington Tigers Basketball Club of Delaware Inc

    EIN 010841368 · Headquarters: WILMINGTON, DE, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Wilmington Toys for Tots Inc

    EIN 510312275 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Wilmington Trust National Charitable Foundation Inc

    EIN 201566358 · Headquarters: Wilmington, DE, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  41. Wilmington Unity Project Inc

    EIN 921328827 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. Wilmington Youth Rowing Association

    EIN 510357050 · Headquarters: Wilmington, DE, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Wilmington-new Castle Pediatric Association Inc

    EIN 510123630 · Headquarters: WILMINGTON, DE, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Wilson & Johnson Private Foundation

    EIN 886492441 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Winchester Family Foundation

    EIN 843236506 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  46. Windhover Foundation Inc

    EIN 391482470 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Windsor Hills Community Association

    EIN 943435206 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  48. Windybush Civic Association Inc

    EIN 510243023 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Windybush Club Inc

    EIN 510081456 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  50. Wings Up Family Foundation

    EIN 843101802 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Winifred S White Residuary Trust

    EIN 756562316 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Winkler Lowy Foundation

    EIN 843069360 · Headquarters: Wilmington, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Winslow Foundation

    EIN 222778703 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Winston Family Initiative in Technology And

    EIN 932086971 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. Winterset Farms Home Owners Association Llc

    EIN 851291792 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Wintersite Foundation

    EIN 824587256 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Winterthur Museum, Garden & Library

    EIN 510066038 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Wirtz Family Foundation

    EIN 832108169 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. Wisdom 2 Witness

    EIN 812666754 · Headquarters: WILMINGTON, DE, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Wiseman Philanthropy Fund

    EIN 263035198 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  61. Witman Family Foundation

    EIN 262702670 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. Witte V Fbo Cincinnati Nature Ta

    EIN 261588676 · Headquarters: WILMINGTON, DE, USA · Environment · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  63. Witte V Fbo Cincinnati Zoo Ta

    EIN 261588218 · Headquarters: WILMINGTON, DE, USA · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  64. Witte V Fbo Oxbow Inc Ta

    EIN 261588340 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  65. Witte V Fbo Raptor Inc Ta

    EIN 261588415 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  66. Witte V Fbo Twin Towers Fund Ta

    EIN 261588558 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  67. Wmr Family Foundation 045351-000 Co Wilmington Trust Company

    EIN 656269018 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. Wolf Charitable Foundation

    EIN 208069029 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  69. Wolf Family Charitable Foundation

    EIN 843917546 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Wolff Family Foundation

    EIN 842986210 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Women in Labor Inc

    EIN 931954903 · Headquarters: WILMINGTON, DE, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Women in Programmatic Network Inc

    EIN 994875565 · Headquarters: WILMINGTON, DE, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. Women of Courage

    EIN 454814137 · Headquarters: Wilmington, DE, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Womens Leadership Center Inc

    EIN 510343143 · Headquarters: Wilmington, DE, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  75. Womens National Book Association Inc

    EIN 521522430 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Wonderschool Foundation

    EIN 931804075 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Wood Creek Civic Association Inc

    EIN 320573054 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Woodbine Civic Assoc Erwin C Durchlaub

    EIN 516024168 · Headquarters: Wilmington, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. Woodbrook Civic Association

    EIN 516021382 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Woodcrest Civic Association

    EIN 510352331 · Headquarters: Wilmington, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  81. Woodland Homes Civic Association Inc Newport Heights

    EIN 900924134 · Headquarters: Wilmington, DE, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Woodstock Street Foundation Inc C/o the Siegfried Group

    EIN 833244015 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Woodward Philanthropic Foundation

    EIN 453589789 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Worah Family Foundation

    EIN 814548661 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  85. Word of Mouth Ministries Inc

    EIN 202955741 · Headquarters: WILMINGTON, DE, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Workday Foundation

    EIN 460563684 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Workforce Housing Alliance of America Inc

    EIN 884075957 · Headquarters: WILMINGTON, DE, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Working Faith Works Ministries

    EIN 473077432 · Headquarters: Wilmington, DE, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Working Group on Legal Opinions Foundation

    EIN 464342171 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Working Theory Foundation

    EIN 853325872 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. World Affairs Council of Wilmington Del Inc

    EIN 516020910 · Headquarters: Wilmington, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  92. World Animal Welfare Inc

    EIN 372179767 · Headquarters: Wilmington, DE, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. World Impact Visions Inc

    EIN 510388760 · Headquarters: WILMINGTON, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. World Missions International Inc

    EIN 611462290 · Headquarters: Wilmington, DE, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  95. World Moot on International Law and Animal Rights Inc

    EIN 365103092 · Headquarters: Wilmington, DE, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. World Society for Pediatric Infectious Diseases Inc

    EIN 320784340 · Headquarters: WILMINGTON, DE, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. World Society of Belief in Divine Socialism

    EIN 882095929 · Headquarters: Wilmington, DE, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. World Trade Center Education Fund

    EIN 510344068 · Headquarters: WILMINGTON, DE, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  99. Worship Center

    EIN 851822552 · Headquarters: Wilmington, DE, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Wounded Warrior Project Lt Support Trust

    EIN 376558533 · Headquarters: WILMINGTON, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

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