Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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. Pta Delaware Congress

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

  2. Pta Delaware Congress

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

  3. Pta Delaware Congress

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

  4. Pta Delaware Congress

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

  5. Pta Delaware Congress

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

  6. Pta Delaware Congress

    EIN 237118058 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Pta Delaware Congress

    EIN 237118062 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Pta Delaware Congress

    EIN 237118068 · Headquarters: Claymont, DE, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Pta Delaware Congress

    EIN 237118072 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Pta Delaware Congress

    EIN 237118088 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Pta Delaware Congress

    EIN 237118090 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. Pta Delaware Congress

    EIN 237118108 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Pta Delaware Congress

    EIN 237118110 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Pta Delaware Congress

    EIN 237165282 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. PTA Delaware Congress

    EIN 237188613 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Pta Delaware Congress

    EIN 237188616 · Headquarters: Fort Meade, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Pta Delaware Congress

    EIN 237275124 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Pta Delaware Congress

    EIN 237330878 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Pta Delaware Congress

    EIN 237366852 · Headquarters: CATONSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Pta Delaware Congress

    EIN 237366855 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Pta Delaware Congress

    EIN 237366856 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Pta Delaware Congress

    EIN 237366857 · Headquarters: Fulton, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. Pta Delaware Congress

    EIN 237366860 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Pta Delaware Congress

    EIN 237366866 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Pta Delaware Congress

    EIN 237366872 · Headquarters: Olney, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Pta Delaware Congress

    EIN 237570776 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Pta Delaware Congress

    EIN 260672399 · Headquarters: STEVENSVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Pta Delaware Congress

    EIN 260845055 · Headquarters: Temple Hills, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Pta Delaware Congress

    EIN 262111185 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Pta Delaware Congress

    EIN 271033144 · Headquarters: Edgewater, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Pta Delaware Congress

    EIN 271033975 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Pta Delaware Congress

    EIN 320368220 · Headquarters: Temple Hills, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Pta Delaware Congress

    EIN 331162559 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Pta Delaware Congress

    EIN 331372714 · Headquarters: Glen Burnie, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Pta Delaware Congress

    EIN 331857325 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Pta Delaware Congress

    EIN 333891679 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Pta Delaware Congress

    EIN 334757235 · Headquarters: Dundalk, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Pta Delaware Congress

    EIN 341988783 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Pta Delaware Congress

    EIN 342065783 · Headquarters: Dayton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Pta Delaware Congress

    EIN 352433598 · Headquarters: Temple Hills, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Pta Delaware Congress

    EIN 364870665 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  42. PTA Delaware Congress

    EIN 383844501 · Headquarters: BEL AIR, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Pta Delaware Congress

    EIN 393784505 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Pta Delaware Congress

    EIN 393840442 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Pta Delaware Congress

    EIN 393845659 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Pta Delaware Congress

    EIN 394251363 · Headquarters: Windsor Mill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Pta Delaware Congress

    EIN 412446980 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Pta Delaware Congress

    EIN 413330799 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Pta Delaware Congress

    EIN 465748337 · Headquarters: Clarksburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Pta Delaware Congress

    EIN 471586574 · Headquarters: Hanover, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Pta Delaware Congress

    EIN 472355871 · Headquarters: Edgewood, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. Pta Delaware Congress

    EIN 474705977 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Pta Delaware Congress

    EIN 475318008 · Headquarters: Leonardtown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Pta Delaware Congress

    EIN 510262263 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Pta Delaware Congress

    EIN 510268092 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Pta Delaware Congress

    EIN 510268095 · Headquarters: newcastle, DE, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Pta Delaware Congress

    EIN 510269571 · Headquarters: Camden Wyoming, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Pta Delaware Congress

    EIN 510273836 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Pta Delaware Congress

    EIN 510280767 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Pta Delaware Congress

    EIN 510334652 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Pta Delaware Congress

    EIN 510350776 · Headquarters: WILMINGTON, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Pta Delaware Congress

    EIN 510351108 · Headquarters: Newark, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Pta Delaware Congress

    EIN 510412390 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Pta Delaware Congress

    EIN 510612463 · Headquarters: Aberdeen, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Pta Delaware Congress

    EIN 516001154 · Headquarters: Wilmington, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Pta Delaware Congress

    EIN 520748505 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Pta Delaware Congress

    EIN 520808417 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Pta Delaware Congress

    EIN 520857101 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Pta Delaware Congress

    EIN 521069467 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Pta Delaware Congress

    EIN 521085680 · Headquarters: Abingdon, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Pta Delaware Congress

    EIN 521085681 · Headquarters: Glenwood, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. Pta Delaware Congress

    EIN 521085687 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Pta Delaware Congress

    EIN 521085691 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Pta Delaware Congress

    EIN 521116847 · Headquarters: Middletown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Pta Delaware Congress

    EIN 521170008 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Pta Delaware Congress

    EIN 521199209 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Pta Delaware Congress

    EIN 521199210 · Headquarters: Cockeysville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Pta Delaware Congress

    EIN 521199216 · Headquarters: New Market, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Pta Delaware Congress

    EIN 521199221 · Headquarters: BERLIN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Pta Delaware Congress

    EIN 521199739 · Headquarters: Parkville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Pta Delaware Congress

    EIN 521218965 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Pta Delaware Congress

    EIN 521223276 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Pta Delaware Congress

    EIN 521231770 · Headquarters: White Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Pta Delaware Congress

    EIN 521234692 · Headquarters: Monrovia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Pta Delaware Congress

    EIN 521236756 · Headquarters: Cheverly, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Pta Delaware Congress

    EIN 521276098 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Pta Delaware Congress

    EIN 521276109 · Headquarters: PRNC FREDERCK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Pta Delaware Congress

    EIN 521280312 · Headquarters: Boonsboro, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Pta Delaware Congress

    EIN 521290083 · Headquarters: joppatowne, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Pta Delaware Congress

    EIN 521321226 · Headquarters: Sandy Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Pta Delaware Congress

    EIN 521321670 · Headquarters: Freeland, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Pta Delaware Congress

    EIN 521327811 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pta Delaware Congress

    EIN 521328024 · Headquarters: New Market, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Pta Delaware Congress

    EIN 521348216 · Headquarters: Brookeville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pta Delaware Congress

    EIN 521360727 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Pta Delaware Congress

    EIN 521362766 · Headquarters: Glenwood, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pta Delaware Congress

    EIN 521365931 · Headquarters: ELLICOTT CITTY, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Pta Delaware Congress

    EIN 521369162 · Headquarters: WHEATON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Pta Delaware Congress

    EIN 521416911 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Pta Delaware Congress

    EIN 521470799 · Headquarters: Sandy Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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