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. Alexandra William Foundation

    EIN 824146882 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Alexis I Dupont High School Band Boosters Inc

    EIN 510249425 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Alianza Delaware Inc

    EIN 931374711 · Headquarters: Wilmington, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Alice N Osborn Foundation Uw

    EIN 136830148 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. Alice Rowan Swanson Foundation

    EIN 272782745 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Alicia F Maharty Private Foundation

    EIN 306064093 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Alignment 365 Inc

    EIN 332261775 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Aliza Family Foundation

    EIN 273143511 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  9. All the Difference Inc

    EIN 721617470 · Headquarters: Wilmington, DE, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990

  10. All the Little Ones Foundation

    EIN 271522056 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Allan Family Foundation

    EIN 824134173 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Allen Lee Foundation

    EIN 853679059 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  13. Alliance Community Corporation

    EIN 815378830 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Alliance Community Foundation

    EIN 387161863 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Alliance Community Foundation Supporting Organization

    EIN 823732147 · Headquarters: WILMINGTON, DE, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Alliance for Prosperity and a Secure Retirement Inc

    EIN 990584310 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Almana Harvest Corp

    EIN 455441983 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. Almeida Carreira Foundation

    EIN 873052716 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  19. Alpha Delta Kappa Sorority Inc

    EIN 510187067 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Alpha Kappa Alpha Sorority Inc

    EIN 363414589 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. Alpha Kappa Alpha Sorority Inc

    EIN 363690698 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  22. Alpha Sigma Alpha Sorority

    EIN 352139277 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  23. Alpha Upsilon Zeta Housing Corporation

    EIN 811390772 · Headquarters: Wilmington, DE, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  24. Alpine Virtue Foundation

    EIN 931852461 · Headquarters: Wilmington, DE, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Alternative Foundation

    EIN 833128471 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Alumnae Association of Mount Holyoke College Inc

    EIN 510221532 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  27. Alvarado Charitable Foundation

    EIN 823760658 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  28. AM Josephs Family Foundation

    EIN 271715734 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  29. Amani Family Foundation

    EIN 208037973 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Amaranthus Family Charitable Foundation

    EIN 475394246 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. Amateur Athletic Union of the United States

    EIN 522445748 · Headquarters: WILMINGTON, DE, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  32. Amateur Athletic Union of the United States Inc

    EIN 465710063 · Headquarters: Wilmington, DE, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. Amber & William Sweedler Family Foundation Inc

    EIN 203955308 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Amber Oak Foundation

    EIN 834113853 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. Ambitious Pathways Inc

    EIN 993357488 · Headquarters: Wilmington, DE, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Amc Housing Inc

    EIN 510301012 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Amci Foundation

    EIN 882100328 · Headquarters: WILMINGTON, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. AMDG Foundation

    EIN 263566999 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Amer Tr for Oxford Univ & Eastman 067381-000

    EIN 136024454 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. American Alliance of Paralegals Inc

    EIN 020670035 · Headquarters: Wilmington, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Associates of the National Army Museum Uk Inc

    EIN 412220906 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  42. American Association of University Women

    EIN 510083864 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Association of Zoo Keepers

    EIN 463622886 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Basho Society

    EIN 852281207 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. American Board of Precision Medicine Inc

    EIN 932659861 · Headquarters: Wilmington, DE, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. American Center for Enterprise Education

    EIN 510260351 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  47. American Civil Liberties Union Foundation of Delaware Inc

    EIN 510220856 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. American Civil Liberties Union of Delaware Inc

    EIN 510240032 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Cooperative School of Tunis Association

    EIN 830379231 · Headquarters: WILMINGTON, DE, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. American Counsel Association Co Denise S Kraft

    EIN 582252492 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. American Counsel Scholarship Foundation Co Denise Kraft Secretarytreasurer

    EIN 521720223 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. American Criminal Justice Association Lambda Alpha Epsilon

    EIN 352335238 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. American Educational Leadership Association

    EIN 813287064 · Headquarters: wilmington, DE, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. American Electric Power Foundation

    EIN 203886453 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. American Federation of Government Employees

    EIN 300599142 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Federation of Labor & Congress of Industrial Org

    EIN 830424370 · Headquarters: WILMINGTON, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Federation of Musicians Local 21 Inc

    EIN 510000785 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. American Federation of State County & Municipal Employees

    EIN 510276466 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Federation of State County & Municipal Employees

    EIN 510321069 · Headquarters: Wilmington, DE, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  60. American Federation of State County & Municipal Employees

    EIN 516022797 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Federation of State County and Municipal Employees

    EIN 237208340 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  62. American Federation of Teachers

    EIN 800762599 · Headquarters: WILMINGTON, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Foundation for Catholics Inc

    EIN 264717615 · Headquarters: Wilmington, DE, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. American Friends of Bean Voyage

    EIN 833945930 · Headquarters: Wilmington, DE, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. American Friends of Dulwich Picture Gallery Inc

    EIN 980391841 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  66. American Friends of National Museums Liverpool Inc

    EIN 421712542 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. American Friends of Scotlands Canals & Waterways Inc

    EIN 311738474 · Headquarters: Wilmington, DE, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. American Friends of the Australian National Maritime Museum Inc

    EIN 134073626 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. American Friends of the City of Paris Museum of Modern Art Inc

    EIN 472139828 · Headquarters: WILMINGTON, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. American Friends of the Old Royal Naval College

    EIN 474074219 · Headquarters: Wilmington, DE, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Friends of the River & Rowing Museum Inc

    EIN 311802690 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. American Friends of the Royal College of General Practitioners I

    EIN 262422910 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  73. American Friends of the Sage Gateshead Inc

    EIN 760785190 · Headquarters: Wilmington, DE, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. American Friends of the University of Essex Inc

    EIN 263184124 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  75. American Friends of Trinity College University of Melbourne Inc

    EIN 861151511 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. American Friends of United for Global Mental Health

    EIN 844566790 · Headquarters: WILMINGTON, DE, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. American Friends of Wellington

    EIN 270136353 · Headquarters: Wilmington, DE, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  78. American Gift Fund

    EIN 516506426 · Headquarters: Wilmington, DE, United States · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American Guild of Organists Ago

    EIN 516017907 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Humanist Association

    EIN 421729430 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. American Inns of Court Foundation

    EIN 270766872 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Inns of Court Foundation

    EIN 320122984 · Headquarters: Wilmington, DE, US · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  83. American Inns of Court Foundation

    EIN 463911367 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. American Inns of Court Foundation

    EIN 510407384 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American International School of Mo Nrovia Inc of D

    EIN 980592967 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American International School of Vi Enna Foundation

    EIN 800375632 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American International School of Zagreb Foundation

    EIN 311671277 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. American Investors Abroad Inc

    EIN 812856614 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 516016025 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 516017025 · Headquarters: Wilmington, DE, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 993149972 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Legion Auxiliary

    EIN 364646795 · Headquarters: Wilmington, DE, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  93. American Legion Auxiliary

    EIN 800325904 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. American Legion Post 21 Laurence Roberts

    EIN 516015642 · Headquarters: Wilmington, DE, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  95. American Malacological Society Inc

    EIN 946127176 · Headquarters: Wilmington, DE, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. American Nephrology Nurses Association

    EIN 454104329 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  97. American Orthopaedic Society of 3D Printing Inc

    EIN 842075866 · Headquarters: WILMINGTON, DE, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  98. American Postal Workers Union

    EIN 237112113 · Headquarters: Wilmington, DE, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Postal Workers Union D/b/a 152 Wilmington De Malcom T Smith

    EIN 237342515 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. American Public Gardens Association

    EIN 237110058 · Headquarters: Wilmington, DE, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

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