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. Onemic Onevoice

    EIN 473922355 · Headquarters: Claymont, DE, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  2. Op Music House

    EIN 271573321 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. OpenJS Foundation

    EIN 471491876 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Operation Look Forward Inc

    EIN 851182911 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Operation Seas the Day Inc

    EIN 464645525 · Headquarters: BETHANY BEACH, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Operation Wesley

    EIN 453724090 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Operational Medicine Foundation Ltd

    EIN 990585219 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Opportunity Center Inc

    EIN 510079778 · Headquarters: New Castle, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Optimist International

    EIN 475644375 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  10. Order of the Amaranth Inc

    EIN 237614872 · Headquarters: Dagsboro, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  11. Order of the Eastern Star

    EIN 237515139 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. Order of the Eastern Star

    EIN 516015495 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Order of the Eastern Star of De

    EIN 516020555 · Headquarters: MILTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Order of the Eastern Star of Delaware

    EIN 237138089 · Headquarters: DELMAR, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Order of the Eastern Star of Delaware

    EIN 237138090 · Headquarters: MILTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Order of the Eastern Star of Delaware

    EIN 510274669 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Order of the Eastern Star of Delaware

    EIN 516016673 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Orders and Medals Society of America Inc

    EIN 953450031 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Orient of Delaware Benevolent Foundation

    EIN 842300896 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Ortega Foundation

    EIN 650014714 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Our Town Community Development Corp

    EIN 920411418 · Headquarters: Delmar, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. P24 Inc

    EIN 991023335 · Headquarters: MIDDLETOWN, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Palmer Home Inc

    EIN 510066737 · Headquarters: DOVER, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Parallel Virtual Machine Inc

    EIN 332642338 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Parent Information Center of Delaware Inc

    EIN 510271546 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Parent Power San Ramon Valley Inc

    EIN 861919843 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  27. Parkside Civic Association

    EIN 263353458 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  28. Parstem Realty Company Inc

    EIN 132583841 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Partnership in Reentry Coalition

    EIN 832144742 · Headquarters: Smyrna, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Pathfinders of Low Observables and Related Survivability

    EIN 993845602 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Patterson Barclay Memorial Foundation Inc

    EIN 580904580 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. Paul & Edith Babson Foundation 106846-000

    EIN 046037891 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Paul Kares Inc

    EIN 851333696 · Headquarters: LEWES, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Pax Omnibus Inc

    EIN 871101980 · Headquarters: LEWES, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. Pc Fellowship Club

    EIN 822220724 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  36. Pelican Point Enhancement Organization

    EIN 334830844 · Headquarters: Millsboro, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Pencader Cemetery Association

    EIN 516015428 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Penn Acres Swim Club Inc

    EIN 510097316 · Headquarters: NEW CASTLE, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Penn Manor Maintenance Corporation

    EIN 510305583 · Headquarters: HOCKESSIN, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Penn State Alumni Association

    EIN 510313505 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Penn State Alumni Association

    EIN 522199357 · Headquarters: Frankford, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. Pennsylvania State Grange of Patrons of Husbandry

    EIN 237517786 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  43. Pennsylvanians for Nebraska

    EIN 453695642 · Headquarters: Bear, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. People to People International

    EIN 510292267 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Peoples Settlement Association

    EIN 510065742 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Perry Hall Outdoorsmans Club Inc

    EIN 521648061 · Headquarters: Frankford, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Persimmon Creek Swim Club Inc

    EIN 510105674 · Headquarters: Newark, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Pete Du Pont Freedom Foundation Llc

    EIN 821237132 · Headquarters: MONTCHANIN, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Pflag Middletown

    EIN 842376606 · Headquarters: Middletown, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Pflag Rehoboth Beach

    EIN 451059294 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Pflag Wilmington North Delaware

    EIN 510363507 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Phi Beta Kappa Society De Chapter

    EIN 516022780 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Phi Delta Theta Fraternity

    EIN 900823635 · Headquarters: Felton, DE, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  54. Phi Kappa Psi Fraternity

    EIN 461461088 · Headquarters: NEWARK, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Philip L Van Every Foundation

    EIN 566039337 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Philly Bikefest Inc

    EIN 861949202 · Headquarters: Claymont, DE, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  57. Pi Kappa Alpha Fraternity

    EIN 364904979 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  58. Pi Kappa Alpha Fraternity

    EIN 581943513 · Headquarters: Newark, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Pi Mu Epsilon Inc

    EIN 900148838 · Headquarters: DOVER, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Pi Mu Epsilon Inc

    EIN 900148840 · Headquarters: NEWARK, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Pin Sheng Education Foundation

    EIN 992975426 · Headquarters: Lewes, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Plane Good Deeds Foundation

    EIN 884422075 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  63. Planetary Society for Bionomic Renewal - Terr NGO

    EIN 365054687 · Headquarters: NEWARK, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Planned Parenthood Advocacy Fund of Delaware

    EIN 510329430 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Play4trey Childrens Foundation

    EIN 473301687 · Headquarters: Georgetown, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Playstudios Impact Fund

    EIN 863526394 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. Plumbers & Pipefitters Local 74- Joint Apprenticeship Committee

    EIN 510097014 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Plumbers & Pipefitters Local Union 74

    EIN 510057784 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Plumbers & Pipefitters Local Union 74 Welfare Fund

    EIN 516174595 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Plunkett Foundation Cash Acct

    EIN 201078653 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Police-athletic League of Delaware Inc

    EIN 222606531 · Headquarters: HOCKESSIN, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Pollyanna Foundation

    EIN 510343343 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Pop Warner Little Scholars Inc

    EIN 270412356 · Headquarters: LAUREL, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Pop Warner Little Scholars Inc

    EIN 510274696 · Headquarters: Milford, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Pop Warner Little Scholars Inc

    EIN 833311047 · Headquarters: Seaford, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  76. Pop Warner Little Scholars Inc

    EIN 900520989 · Headquarters: LEWES, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Port Penn Historical Society

    EIN 232186631 · Headquarters: Port Penn, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. Posner-Wallace Foundation

    EIN 526037555 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. Prevent Child Abuse Delaware Inc

    EIN 510229667 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Prison Outreach of Delaware Inc

    EIN 510110446 · Headquarters: NEWARK, DE, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  81. Produce Marketing Association Inc

    EIN 510109583 · Headquarters: NEWARK, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Professional Photographers Association of Southern Delaware

    EIN 262379665 · Headquarters: LINCOLN, DE, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  83. Projects Humana Inc

    EIN 871661386 · Headquarters: LEWES, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  84. Promote Economic Growth Inc

    EIN 331410905 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Proprietors of the Wilmington and Brandywine Cemetery

    EIN 510041212 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. PSG Equity Charitable Foundation

    EIN 922765347 · Headquarters: Wilmington, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. Psi Chi the International Honor Society in Psychology

    EIN 237063389 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Psi Chi the International Honor Society in Psychology

    EIN 510266220 · Headquarters: DOVER, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Psi Chi the International Honor Society in Psychology

    EIN 522232799 · Headquarters: Dover, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Psi Chi the International Honor Society in Psychology

    EIN 831525542 · Headquarters: NEW CASTLE, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Psychiatric Society of Delaware Inc

    EIN 510674108 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Pta Delaware Congress

    EIN 010708223 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Pta Delaware Congress

    EIN 223670669 · Headquarters: CLAYMONT, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Pta Delaware Congress

    EIN 237118003 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. Pta Delaware Congress

    EIN 237118014 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Pta Delaware Congress

    EIN 237118034 · Headquarters: NEWARK, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pta Delaware Congress

    EIN 237118038 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Pta Delaware Congress

    EIN 237118047 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Pta Delaware Congress

    EIN 237118050 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Pta Delaware Congress

    EIN 237118054 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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