Unknown & Unclassified nonprofits in Delaware

Unknown & Unclassified nonprofits in Delaware. Browse 2,386 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. National Association of University Women

    EIN 237207788 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  2. National Campers and Hikers Association of Delaware

    EIN 237104076 · Headquarters: Viola, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. National Federation of the Blind of Delaware

    EIN 237024549 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National High School Mock Trial Championship Inc

    EIN 721154430 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Huguenot Society

    EIN 522046088 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. National Organization for Women Inc

    EIN 862255031 · Headquarters: Claymont, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. National Organization of Black Law Enforcement Exe

    EIN 510326565 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Rural Letter Carriers Association

    EIN 510362816 · Headquarters: Milford, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. National Society Colonial Dames Xvii Century

    EIN 510283407 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Society of New England Women

    EIN 590294888 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. National Society of the Children of the American Revolution

    EIN 237248841 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. National Society of the Children of the American Revolution

    EIN 800246923 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Society of the Daughters of the American Revolution

    EIN 516016950 · Headquarters: Nassau, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Society of the Daughters of the American Revolution

    EIN 516016951 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. National Society of the Daughters of the American Revolution

    EIN 516018026 · Headquarters: SEAFORD, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Society of the Daughters of the American Revolution

    EIN 516018181 · Headquarters: Frederica, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Society of the Daughters of the American Revolution

    EIN 710740539 · Headquarters: Frederica, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. National Society of the Daughters of the American Revolution

    EIN 920953085 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Society of the Sons of the American Revolution

    EIN 510357383 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Society of the Sons of the American Revolution

    EIN 516018163 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Society of the Sons of the American Revolution

    EIN 911771536 · Headquarters: Magnolia, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Society of the Sons of the American Revolution

    EIN 911771542 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. National Society of Tole and Decorative Painters Inc

    EIN 510385474 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. National Society United States Daughters of 1812

    EIN 474903161 · Headquarters: Frederica, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Staff Organization

    EIN 510280075 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Native Roots Farm Foundation

    EIN 844361181 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Nature Rays Inc

    EIN 932439849 · Headquarters: DOVER, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Neighborhood House Inc

    EIN 510065747 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Neighbors for Responsible Land Use Inc

    EIN 923385090 · Headquarters: Rockland, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Nemetz-pruett Charitable Foundation-main

    EIN 394637018 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. New Ark Chorale

    EIN 510256580 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. New Castle Chapt No 1418 Women of the Moose

    EIN 237132594 · Headquarters: BEAR, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. New Castle County Chamber of Commerce I

    EIN 510098307 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. New Castle County Coaches Cross Country and Track Association

    EIN 510312452 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. New Castle County Farm Bureau

    EIN 383782881 · Headquarters: Camden, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. New Castle County Fire Chiefs Assoc

    EIN 270596270 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. New Castle County Head Start Inc

    EIN 510191916 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. New Castle County Volunteer Delaware 50 Advisory Council Inc

    EIN 510260327 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. New Castle County Volunteer Firefighters Association Inc

    EIN 510282582 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. New Castle Historical Society

    EIN 510072188 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. New Castle Lodge No 1578 Loyal Order of Moose

    EIN 510076341 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. New Castle Masonic Hall Co Inc

    EIN 510035465 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. New Castle Sailing Club

    EIN 510370822 · Headquarters: New Castle, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. New Conversation Initiative Inc

    EIN 995032473 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. New Day Pregnancy Care Center Inc

    EIN 510280800 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. New Garden Villiage Condominium Association

    EIN 233087632 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. New Hope Recreation and Development Center Inc

    EIN 510324776 · Headquarters: ELLENDALE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. New Life Family Worship Center Inc

    EIN 222651029 · Headquarters: CAMDEN WYOMING, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. New Mexicans for Comprehensive Energy Solutions Inc

    EIN 815452345 · Headquarters: DOVER, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Newark Angler Association Inc

    EIN 516020333 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. Newark Area Welfare Committee Inc

    EIN 510275119 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Newark Center for Creative Learning

    EIN 510111792 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Newark Chapter 705 Women of the Moose

    EIN 510281001 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. Newark Community Band Inc

    EIN 510278225 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Newark Country Club

    EIN 510035715 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Newark Delaware Lodge No 2281 Benevolent and Protective Order Of

    EIN 922747453 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Newark Emergency Center Inc

    EIN 510118345 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Newark High School Girls Tennis

    EIN 800169491 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  59. Newark National Little League

    EIN 510256241 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Newark Rotary Club

    EIN 237007426 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Newark Symphony Society Inc

    EIN 510281040 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Newcomers Club of Dover

    EIN 237394017 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Ngoma Kenya

    EIN 820921554 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Nimick Forbesway Foundation

    EIN 251597437 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. Nishimachi Foundation

    EIN 510257671 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Nor' Easter Foundation Inc

    EIN 510350173 · Headquarters: GREENVILLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Norquist Llp Foundation

    EIN 636189797 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. North American Folk Music and Dance Alliance Inc

    EIN 510349283 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. North American Folk Music and Dance Alliance Inc

    EIN 522069231 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. North American Parakart Racing Association

    EIN 800456009 · Headquarters: Clayton, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. North American Society for Pediatric & Adolescent Gynecology

    EIN 222787763 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. North Hills Civic Association

    EIN 510343747 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Northern Delaware Intergroup Inc

    EIN 510233819 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Northern Delaware Shriners Foundation

    EIN 842385139 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Northwood Civic Association Inc

    EIN 272629622 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Nottingham Swim Club Inc

    EIN 510095733 · Headquarters: Newark, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Novonesis Foundation

    EIN 934175573 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  78. Nplm Inc

    EIN 844135076 · Headquarters: Claymont, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Nueva Dominicana Foundation

    EIN 843114534 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. Nur Shriners

    EIN 510069860 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Nur Shriners Group Return

    EIN 510150082 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Ny Times 100 Need Cases Fund Tuw

    EIN 133116746 · Headquarters: GREENVILLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Nyc Workshop

    EIN 920954328 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. O'Bryan Foundation

    EIN 366199176 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Oak Grove Senior Center Inc

    EIN 510237909 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Oak Orchard Riverdale American Legion Post 28 Inc

    EIN 510271790 · Headquarters: MILLSBORO, DE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  87. Oakwood Valley Club Inc

    EIN 510075898 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Oates Family Foundation

    EIN 943289689 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Ocean Saviour USA Inc

    EIN 832748076 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Octic Charitable Perpetuity Fund

    EIN 475642278 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Odd Fellows Cemetery Inc

    EIN 510058067 · Headquarters: SEAFORD, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Officers Wives Social Club

    EIN 510321276 · Headquarters: Dover AFB, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  93. Okinawan Karate Do Institute of Traditional Karate

    EIN 463588920 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Old Brandywine Village Inc

    EIN 516018256 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Omega Psi Phi Fraternity

    EIN 516020922 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Omega Psi Phi Fraternity

    EIN 516020923 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  97. Omega Psi Phi Fraternity Inc

    EIN 900735423 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Omega Psi Phi Fraternity Inc Psi Zeta Chapter

    EIN 274741398 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. Oncology Nursing Society

    EIN 510318799 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  100. Oncology Nursing Society

    EIN 800305983 · Headquarters: Rehoboth Beach, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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