Nonprofits in Delaware

Nonprofits in Delaware. Browse 11,586 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. 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

  2. American Genesis Incorporated

    EIN 990396845 · Headquarters: Camden, DE, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. American Gift Fund

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

  4. American Guild of Organists Ago

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

  5. American Guild of Organists Ago

    EIN 880516536 · Headquarters: REHOBOTH BEACH, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. American Home Project

    EIN 262243901 · Headquarters: Dover, DE, US · Housing & Shelter · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. American Humanist Association

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

  8. American Humanist Association

    EIN 474696794 · Headquarters: Milford, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. American Inns of Court Foundation

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

  10. 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

  11. American Inns of Court Foundation

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

  12. American Inns of Court Foundation

    EIN 510333373 · Headquarters: Georgetown, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. American Inns of Court Foundation

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

  14. 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

  15. 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

  16. American International School of Zagreb Foundation

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

  17. American Investors Abroad Inc

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

  18. American Jobs and Energy Security Fund

    EIN 991179680 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. American Lao International Vocational Education

    EIN 262617319 · Headquarters: Bethel, DE, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American League of Tutoring Organizations Inc

    EIN 852956062 · Headquarters: Dover, DE, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. American Legacy Project Inc

    EIN 844836260 · Headquarters: Lewes, DE, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. American Legion

    EIN 510103560 · Headquarters: Dover, DE, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Legion

    EIN 516010012 · Headquarters: HARRINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Legion

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

  25. American Legion

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

  26. American Legion

    EIN 516018013 · Headquarters: Delmar, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. American Legion

    EIN 516018016 · Headquarters: fenwick island, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Legion

    EIN 516018019 · Headquarters: DELAWARE CITY, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Legion

    EIN 516018142 · Headquarters: Lewes, DE, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  30. American Legion

    EIN 516022762 · Headquarters: Millford, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Legion

    EIN 516022766 · Headquarters: Claymont, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Legion

    EIN 526043020 · Headquarters: MILTON, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. American Legion

    EIN 562469560 · Headquarters: MIDDLETOWN, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Legion

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

  35. American Legion Ambulance Station 64 Inc

    EIN 474234335 · Headquarters: SMYRNA, DE, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. American Legion Auxiliary

    EIN 237092917 · Headquarters: delaware city, DE, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. American Legion Auxiliary

    EIN 263127132 · Headquarters: Hockessin, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Legion Auxiliary

    EIN 264007845 · Headquarters: Laurel, DE, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  39. American Legion Auxiliary

    EIN 273284700 · Headquarters: Milton, DE, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  40. American Legion Auxiliary

    EIN 300524166 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Legion Auxiliary

    EIN 352354147 · Headquarters: Harrington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. American Legion Auxiliary

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

  43. American Legion Auxiliary

    EIN 371585584 · Headquarters: Smyrna, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Legion Auxiliary

    EIN 510366844 · Headquarters: Rehoboth Beach, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Legion Auxiliary

    EIN 510368502 · Headquarters: Dagsboro, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Legion Auxiliary

    EIN 510404636 · Headquarters: Townsend, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. American Legion Auxiliary

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

  48. American Legion Auxiliary

    EIN 800325964 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. American Legion Auxiliary

    EIN 800496462 · Headquarters: Georgetown, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. American Legion Auxiliary

    EIN 911922671 · Headquarters: MILLSBORO, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Legion Auxiliary

    EIN 943459893 · Headquarters: Nassau, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. American Legion Auxiliary 0030 Unit Joseph B Stahl Post

    EIN 371590004 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  53. American Legion Auxiliary Department of Delaware Inc

    EIN 510272425 · Headquarters: Georgetown, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. American Legion David C Harrison P

    EIN 516018014 · Headquarters: SMYRNA, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. American Legion Department of Delaware

    EIN 510058086 · Headquarters: SEAFORD, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. American Legion Diamond State Post No 11

    EIN 516022764 · Headquarters: Rehoboth Beach, DE, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  57. American Legion Lt J Allison O'Daniel Post #10

    EIN 516018229 · Headquarters: Newark, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. 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

  59. American Legion Post 24

    EIN 510329885 · Headquarters: Dagsboro, DE, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. American Legion Post 5 Henlopen

    EIN 516017434 · Headquarters: REHOBOTH BEACH, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. American Legion Post 6 Inc

    EIN 516018015 · Headquarters: SEAFORD, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. American Legion Post Realty Inc

    EIN 510275968 · Headquarters: milton, DE, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  63. American Malacological Society Inc

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

  64. American Mothers Inc

    EIN 510301749 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  65. American Museum of Peace

    EIN 461153161 · Headquarters: REHOBETH BEACH, DE, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. American Mustang and Burro Association Inc

    EIN 742382575 · Headquarters: TOWNSEND, DE, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Nephrology Nurses Association

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

  68. American Online Giving Foundation

    EIN 810739440 · Headquarters: Newark, DE, United States · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. 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

  70. American Osteopathic Association of Prolotherapy Regenerative Medicine

    EIN 751171583 · Headquarters: MIDDLETOWN, DE, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. American Patient Access Foundation

    EIN 992519498 · Headquarters: DOVER, DE, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. American Planning Association

    EIN 510270153 · Headquarters: Dover, DE, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Policy Advocates Inc

    EIN 471115810 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  74. American Postal Workers Union

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

  75. American Postal Workers Union

    EIN 237338393 · Headquarters: Newark, DE, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. American Postal Workers Union

    EIN 237338425 · Headquarters: lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. 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

  78. American Production & Inventory Control Brandywine Valley Chapter

    EIN 237034170 · Headquarters: GREENVILLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American Professional Mariners Association Foundation Inc

    EIN 464475869 · Headquarters: LEWES, DE, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Professional Mariners Association Inc

    EIN 464203881 · Headquarters: LEWES, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. American Public Gardens Association

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

  82. American Retirement Assistance Corp

    EIN 061769673 · Headquarters: Millsboro, DE, US · Housing & Shelter · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  83. American Society for Adolescent Psychiatry (ASAP)

    EIN 237094782 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. American Society for Clinical Laboratory Science

    EIN 510274093 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Society of Certified Engineering Technici

    EIN 481045947 · Headquarters: SMYRNA, DE, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. American Society of Cytopathology Inc

    EIN 042255896 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. American Society of Heating Refrigerating & A-c Engineers

    EIN 237331777 · Headquarters: Wilmington, DE, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  88. American Society of Highway Engineers

    EIN 311372336 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Society of Mechanical Engineers

    EIN 223135871 · Headquarters: Hockessin, DE, US · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  90. American Society of Professional Estimators Delaware Chapter

    EIN 510391447 · Headquarters: Greenville, DE, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Statistical Association

    EIN 912004155 · Headquarters: NEWARK, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Thai Association

    EIN 991750676 · Headquarters: DOVER, DE, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. American Trauma Society

    EIN 510413986 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Turners of Delaware Inc

    EIN 474329865 · Headquarters: WILMINGTON, DE, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. American Veterans Thrift Store

    EIN 464079232 · Headquarters: REHOBOTH BEACH, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. American Volkssport Association Inc

    EIN 522021917 · Headquarters: Smyrna, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American War Memorials Overseas Inc

    EIN 262980531 · Headquarters: Wilmington, DE, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Womens League Association

    EIN 815239903 · Headquarters: Wilmington, DE, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. American Youth Circus Organization

    EIN 912148358 · Headquarters: DOVER, DE, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. American Youth Football Inc

    EIN 300399970 · Headquarters: Seaford, DE, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

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