Unknown & Unclassified nonprofits in Maryland

Unknown & Unclassified nonprofits in Maryland. Browse 10,672 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 611531213 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Pta Delaware Congress

    EIN 743098569 · Headquarters: OWINGS MILLS, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Pta Delaware Congress

    EIN 800371017 · Headquarters: Greater Landover, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Pta Delaware Congress

    EIN 800650001 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Pta Delaware Congress

    EIN 800823727 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Pta Delaware Congress

    EIN 800921826 · Headquarters: Pasadena, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Pta Delaware Congress

    EIN 800949664 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Pta Delaware Congress

    EIN 810758556 · Headquarters: Aberdeen, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Pta Delaware Congress

    EIN 811606393 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Pta Delaware Congress

    EIN 812940800 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Pta Delaware Congress

    EIN 813528241 · Headquarters: Clarksburg, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Pta Delaware Congress

    EIN 814749290 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Pta Delaware Congress

    EIN 821384952 · Headquarters: Kensington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Pta Delaware Congress

    EIN 821961367 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Pta Delaware Congress

    EIN 822904637 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Pta Delaware Congress

    EIN 822981426 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Pta Delaware Congress

    EIN 823902309 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Pta Delaware Congress

    EIN 830345354 · Headquarters: Sharpsburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Pta Delaware Congress

    EIN 832190701 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Pta Delaware Congress

    EIN 843581960 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Pta Delaware Congress

    EIN 843582916 · Headquarters: Stevensville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Pta Delaware Congress

    EIN 853598954 · Headquarters: FREDERICK, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Pta Delaware Congress

    EIN 872139243 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Pta Delaware Congress

    EIN 883075930 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Pta Delaware Congress

    EIN 900054971 · Headquarters: Elkridge, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Pta Delaware Congress

    EIN 900643559 · Headquarters: Clarksburg, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. Pta Delaware Congress

    EIN 900737267 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Pta Delaware Congress

    EIN 900941048 · Headquarters: gwynn oak, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Pta Delaware Congress

    EIN 901005085 · Headquarters: Wheaton, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Pta Delaware Congress

    EIN 911882724 · Headquarters: Havre De Grace, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Pta Delaware Congress

    EIN 911882725 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Pta Delaware Congress

    EIN 911882735 · Headquarters: Pikesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Pta Delaware Congress

    EIN 911882743 · Headquarters: North Potomac, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Pta Delaware Congress

    EIN 911882761 · Headquarters: Bowie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Pta Delaware Congress

    EIN 911882917 · Headquarters: GAITHERSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Pta Delaware Congress

    EIN 911882954 · Headquarters: Pylesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Pta Delaware Congress

    EIN 911882956 · Headquarters: Millersville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Pta Delaware Congress

    EIN 911882959 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Pta Delaware Congress

    EIN 911882964 · Headquarters: Takoma Park, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Pta Delaware Congress

    EIN 920793102 · Headquarters: Frederick, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Pta Delaware Congress

    EIN 921210406 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Pta Delaware Congress

    EIN 921210475 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Pta Delaware Congress

    EIN 923325420 · Headquarters: Randallstown, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Pta Delaware Congress

    EIN 923933308 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Pta Delaware Congress

    EIN 932562522 · Headquarters: Halethorpe, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Pta Delaware Congress

    EIN 933390503 · Headquarters: Jessup, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Pta Delaware Congress

    EIN 934267310 · Headquarters: Willards, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Pta Delaware Congress

    EIN 934529627 · Headquarters: Lavale, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Pta Delaware Congress

    EIN 934621477 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Pta Delaware Congress

    EIN 990700556 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Pta Delaware Congress

    EIN 991901811 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Pta Delaware Congress

    EIN 992585811 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Pta Delaware Congress

    EIN 994305270 · Headquarters: Odenton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Pta Delaware Congress

    EIN 994418595 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. PTA Delaware CONGRESS Aka Hyattsville Elementary School PTA

    EIN 526072388 · Headquarters: Hyattsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Pta Delaware Congress Bollman Bridge Elementary Schl Pta

    EIN 521701162 · Headquarters: Jessup, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Pta Delaware Congress Burning Tree Elementary School Pta

    EIN 237407911 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Pta Delaware Congress Carderock Spring Es Pta

    EIN 520824976 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Pta Delaware Congress Carroll Manor Elementary School Pta

    EIN 237031454 · Headquarters: Baldwin, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Pta Delaware Congress Cloverly Elementary Pta

    EIN 521701158 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Pta Delaware Congress Cold Spring Elementary School Parent Teacher Assn

    EIN 521317972 · Headquarters: Potomac, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. PTA Delaware CONGRESS Fallston High School PTSA

    EIN 521116830 · Headquarters: Fallston, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. PTA Delaware CONGRESS Hanover Hills ES PTA

    EIN 831954271 · Headquarters: Hanover, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. PTA Delaware Congress of Parents & North Bend Elementary School

    EIN 521735930 · Headquarters: Jarrettsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. PTA Delaware CONGRESS University Park ES PTA

    EIN 911882746 · Headquarters: University Park, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Pta Delaware Pta

    EIN 521085683 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Pta Deleware Congress

    EIN 134254040 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Pta Deleware Congress

    EIN 237030969 · Headquarters: Timonium, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Pta Deleware Congress

    EIN 526070753 · Headquarters: Poolesville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Pta Delware Congress

    EIN 237077012 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Pta Delware Congress

    EIN 237077033 · Headquarters: CROFTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Pta Delware Congress

    EIN 237077096 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Pta Delware Congress

    EIN 521234684 · Headquarters: Bel Air, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Pta Delware Congress

    EIN 521762917 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Pta Delware Congress

    EIN 542175150 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Pta Hillcrest Elementary

    EIN 237077051 · Headquarters: Catonsville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Pta Jacksonville Elementary School Inc

    EIN 521887228 · Headquarters: PHOENIX, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Pta Manchester Maryland Congress

    EIN 237030481 · Headquarters: Manchester, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Pta Mariland Congress of Parent & Teachers Inc

    EIN 833490211 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Pta Maryland Congress

    EIN 521758263 · Headquarters: Williamsport, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Pta Maryland Congress

    EIN 521788221 · Headquarters: Fallston, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. PTA Maryland CONGRESS Farmland Elementary

    EIN 526070733 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Pta Maryland Congress of Parent & T Eachers Inc

    EIN 526070722 · Headquarters: SILVER SPRING, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Pta Maryland Congress of Parent & Teacher Inc

    EIN 521335766 · Headquarters: PORT REPUBLIC, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  85. Pta Maryland Congress of Parent & Teachers

    EIN 593808734 · Headquarters: Marriottsville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. Pta Maryland Congress of Parent & Teachers Inc

    EIN 205617583 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  87. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237030664 · Headquarters: Williamsport, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237031153 · Headquarters: Lexington Park, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237031197 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237031274 · Headquarters: Arbutus, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237031499 · Headquarters: ROSEDALE, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237077054 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237115472 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  94. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237275134 · Headquarters: HAGERSTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pta Maryland Congress of Parent & Teachers Inc

    EIN 237366865 · Headquarters: Columbia, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Pta Maryland Congress of Parent & Teachers Inc

    EIN 263593673 · Headquarters: Annapolis, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pta Maryland Congress of Parent & Teachers Inc

    EIN 300399298 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  98. Pta Maryland Congress of Parent & Teachers Inc

    EIN 320422057 · Headquarters: Glenn Dale, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Pta Maryland Congress of Parent & Teachers Inc

    EIN 465747914 · Headquarters: Windsor Mill, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  100. Pta Maryland Congress of Parent & Teachers Inc

    EIN 475509161 · Headquarters: ESSEX, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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