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 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521124140 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521160518 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521513651 · Headquarters: SEVERNA PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521659454 · Headquarters: FORT MEADE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521694278 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521709562 · Headquarters: FINKSBURG, MD, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  24. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521832976 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521880662 · Headquarters: Belcamp, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  26. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521892108 · Headquarters: Forestville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Pta Maryland Congress of Parent & Teachers Inc

    EIN 521892611 · Headquarters: CHESTERTOWN, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Pta Maryland Congress of Parent & Teachers Inc

    EIN 800586040 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. Pta Maryland Congress of Parent & Teachers Inc

    EIN 800628489 · Headquarters: Gwynn Oak, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Pta Maryland Congress of Parent & Teachers Inc

    EIN 810840577 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  31. Pta Maryland Congress of Parent & Teachers Inc

    EIN 811802124 · Headquarters: Hyattsville, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Pta Maryland Congress of Parent & Teachers Inc

    EIN 812663860 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. Pta Maryland Congress of Parent & Teachers Inc

    EIN 812668721 · Headquarters: Riverdale, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Pta Maryland Congress of Parent & Teachers Inc

    EIN 820913900 · Headquarters: Mitchellville, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Pta Maryland Congress of Parent & Teachers Inc

    EIN 821513386 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. Pta Maryland Congress of Parent & Teachers Inc

    EIN 823445844 · Headquarters: Oxon Hill, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. Pta Maryland Congress of Parent & Teachers Inc

    EIN 830857210 · Headquarters: Delmar, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832293258 · Headquarters: Clinton, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832408196 · Headquarters: Salisbury, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  40. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832408315 · Headquarters: Rosedale, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Pta Maryland Congress of Parent & Teachers Inc

    EIN 832566092 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Pta Maryland Congress of Parent & Teachers Inc Thomas W Pyle School Ptsa

    EIN 526070778 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. PTA Maryland Congress of Parent and Teachers Inc

    EIN 237031185 · Headquarters: GRASONVILLE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Pta Maryland Congress of Parents & Teachers

    EIN 237188627 · Headquarters: Reisterstown, MD, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  45. Pta Maryland Congress of Parents & Teachers Gale-bailey Elementary

    EIN 542089216 · Headquarters: Marbury, MD, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237030619 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237030666 · Headquarters: Knoxville, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031024 · Headquarters: Glen Burnie, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031101 · Headquarters: Clear Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031311 · Headquarters: PARK HALL, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237031681 · Headquarters: Burtonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237188621 · Headquarters: LAUREL, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237275118 · Headquarters: SEVERN, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Pta Maryland Congress of Parents & Teachers Inc

    EIN 237275122 · Headquarters: Owings, MD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Pta Maryland Congress of Parents & Teachers Inc

    EIN 260639638 · Headquarters: ODENTON, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Pta Maryland Congress of Parents & Teachers Inc

    EIN 520667483 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521638410 · Headquarters: Germantown, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  58. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521659761 · Headquarters: Edgewood, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521677073 · Headquarters: Worton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521706535 · Headquarters: Perry Hall, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  61. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521790775 · Headquarters: Fort Washington, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521801800 · Headquarters: Huntingtown, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  63. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521813113 · Headquarters: ANNAPOLIS, MD, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  64. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521877567 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  65. Pta Maryland Congress of Parents & Teachers Inc

    EIN 521891788 · Headquarters: Denton, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Pta Maryland Congress of Parents & Teachers Inc

    EIN 522038315 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Pta Maryland Congress of Parents & Teachers Inc

    EIN 522048893 · Headquarters: Laurel, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Pta Maryland Congress of Parents & Teachers Inc

    EIN 522216729 · Headquarters: WESTMINSTER, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Pta Maryland Congress of Parents & Teachers Inc

    EIN 770590770 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  70. Pta Maryland Congress of Parents & Teachers Inc

    EIN 814262851 · Headquarters: Rising Sun, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  71. Pta Maryland Congress of Parents & Teachers Inc

    EIN 814387900 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. Pta Maryland Congress of Parents & Teachers Inc

    EIN 834517458 · Headquarters: oxon hill, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  73. Pta Maryland Congress of Parents & Teachers Inc

    EIN 842983197 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. Pta Maryland Congress of Parents & Teachers Inc

    EIN 911882985 · Headquarters: Brooklyn, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. PTA Maryland CONGRESS OF PARENTS & TEACHERS INC Belvedere Elementary School PTA INC

    EIN 237031068 · Headquarters: ARNOLD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. PTA Maryland Congress of Parents & Teachers Woodlin ES PTA Inc

    EIN 520609152 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Pta Maryland Congress of Parents & Teachers/bethesda Elementary Pta

    EIN 526018858 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. PTA Maryland Congress of Parents and Teachers Arnold PTA

    EIN 237031093 · Headquarters: Arnold, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Pta Maryland Congress of Parents and Teachers Inc

    EIN 237031455 · Headquarters: Catonsville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. PTA Maryland Congress of Parents and Teachers Inc

    EIN 237077110 · Headquarters: Odenton, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Pta Maryland Congress of Parents and Teachers Inc

    EIN 364675358 · Headquarters: CLEAR SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Pta Maryland Congress of Parents and Teachers Inc

    EIN 900507953 · Headquarters: GLEN BURNIE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Pta Maryland Congress of Parents Richard Henry Lee Elementary School

    EIN 814617289 · Headquarters: GLEN BURNIE, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Pta Maryland Congress Rosemary Hills Elementary Pta-md

    EIN 526070776 · Headquarters: SILVER SPRING, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Pta Maryland Congress Walter Johnson High

    EIN 526070784 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Pta Massachuetts Parent-teacher Association Inc

    EIN 453847786 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Pta Massachuetts Parent-teacher Pta Association Inc

    EIN 046189867 · Headquarters: PRINCETON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. PTA Massachusetts Parent - Teacher Assoc Mattapoisett PTA

    EIN 043147645 · Headquarters: Mattapoisett, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Pta Massachusetts Parent Teacher Association

    EIN 831827377 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Pta Massachusetts Parent Teacher Association Inc

    EIN 263625245 · Headquarters: Otis, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  91. Pta Massachusetts Parent Teacher Association Inc

    EIN 263753682 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. Pta Massachusetts Parent Teacher Association Inc

    EIN 300108378 · Headquarters: West Boylston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pta Massachusetts Parent Teacher Association Inc

    EIN 920621268 · Headquarters: Acton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Pta Massachusetts Parent-teacher

    EIN 046118551 · Headquarters: REHOBOTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Pta Massachusetts Parent-teacher Association Inc

    EIN 042121359 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Pta Massachusetts Parent-teacher Association Inc

    EIN 042658166 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pta Massachusetts Parent-teacher Association Inc

    EIN 042781631 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Pta Massachusetts Parent-teacher Association Inc

    EIN 042781633 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Pta Massachusetts Parent-teacher Association Inc

    EIN 043006231 · Headquarters: Monument Beach, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Pta Massachusetts Parent-teacher Association Inc

    EIN 043085872 · Headquarters: Norwood, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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