Unknown & Unclassified nonprofits in Pennsylvania

Unknown & Unclassified nonprofits in Pennsylvania. Browse 26,979 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 Rural Letter Carriers Association

    EIN 237235174 · Headquarters: East Stroudsburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Rural Letter Carriers Association

    EIN 237235175 · Headquarters: Amity, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Rural Letter Carriers Association

    EIN 237235177 · Headquarters: Saegertown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Rural Letter Carriers Association

    EIN 237235178 · Headquarters: Sunbury, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Rural Letter Carriers Association

    EIN 237235179 · Headquarters: Wellsboro, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. National Rural Letter Carriers Association

    EIN 237235181 · Headquarters: Johnstown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Rural Letter Carriers Association

    EIN 237235182 · Headquarters: Cumbola, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Rural Letter Carriers Association

    EIN 237235183 · Headquarters: Fairview, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Rural Letter Carriers Association

    EIN 237235184 · Headquarters: Belleville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. National Rural Letter Carriers Association

    EIN 237235185 · Headquarters: Alburtis, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Rural Letter Carriers Association

    EIN 237235186 · Headquarters: Glenside, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Rural Letter Carriers Association

    EIN 237235188 · Headquarters: Williamsport, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Rural Letter Carriers Association

    EIN 237235189 · Headquarters: Harveys Lake, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Rural Letter Carriers Association

    EIN 237235191 · Headquarters: Fairview, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. National Rural Letter Carriers Association

    EIN 237235192 · Headquarters: Ephrata, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Rural Letter Carriers Association

    EIN 237235194 · Headquarters: Fiarview, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Rural Letter Carriers Association

    EIN 237235196 · Headquarters: Bloomsburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Rural Letter Carriers Association

    EIN 237235197 · Headquarters: Mount Union, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Rural Letter Carriers Association

    EIN 237235199 · Headquarters: Chambersburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Rural Letter Carriers Association

    EIN 237235200 · Headquarters: Belle Vernon, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Rural Letter Carriers Association

    EIN 237235201 · Headquarters: Kersey, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Rural Letter Carriers Association

    EIN 237235202 · Headquarters: West Norriton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Rural Letter Carriers Association

    EIN 237235203 · Headquarters: Shippensburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Rural Letter Carriers Association

    EIN 237235204 · Headquarters: Fairview, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Rural Letter Carriers Association

    EIN 237235206 · Headquarters: Blanchard, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Rural Letter Carriers Association

    EIN 237235208 · Headquarters: Butler, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National Rural Letter Carriers Association

    EIN 237235212 · Headquarters: Duncansville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Rural Letter Carriers Association

    EIN 237235214 · Headquarters: Ford City, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. National Rural Letter Carriers Association

    EIN 237235215 · Headquarters: Allison Park, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. National Rural Letter Carriers Association

    EIN 237235216 · Headquarters: Biglerville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. National Rural Letter Carriers Association

    EIN 510244978 · Headquarters: Clarksburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. National Rural Letter Carriers Association

    EIN 581859191 · Headquarters: Springfield, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Rural Letter Carriers Penna Rural Letter Carriers Association

    EIN 231915359 · Headquarters: FAIRVIEW, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. National Science Education Leadership Association

    EIN 751641166 · Headquarters: KING OF PRUSSIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. National Sciety of the Sons of the American Revolution

    EIN 880770778 · Headquarters: WEST CHESTER, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. National Slag Association

    EIN 530116335 · Headquarters: COATESVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. National Slovak Society of the USA

    EIN 061409846 · Headquarters: Duryea, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. National Slovak Society of the USA

    EIN 223330679 · Headquarters: Whitehall, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. National Slovak Society of the USA

    EIN 223330681 · Headquarters: Whitehall, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. National Slovak Society of the USA

    EIN 223330682 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. National Slovak Society of the USA

    EIN 237444970 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. National Slovak Society of the USA

    EIN 237501173 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. National Slovak Society of the USA

    EIN 237501179 · Headquarters: Spraggs, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. National Slovak Society of the USA

    EIN 237501180 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. National Slovak Society of the USA

    EIN 237501198 · Headquarters: Smithmill, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Slovak Society of the USA

    EIN 237501222 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. National Slovak Society of the USA

    EIN 237501225 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. National Slovak Society of the USA

    EIN 237501243 · Headquarters: Dubois, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. National Slovak Society of the USA

    EIN 237501248 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Slovak Society of the USA

    EIN 237501268 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Slovak Society of the USA

    EIN 237501309 · Headquarters: Larksville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. National Slovak Society of the USA

    EIN 237616222 · Headquarters: Northampton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Slovak Society of the USA

    EIN 251427282 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. National Slovak Society of the USA

    EIN 251750692 · Headquarters: Clarence, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. National Slovak Society of the USA

    EIN 770666581 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. National Slovak Society of the USA

    EIN 900247572 · Headquarters: Old Forge, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. National Slovak Society of the USA

    EIN 900247573 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. National Slovak Society of the USA

    EIN 931227191 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. National Society Colonial Dames Xvii Century

    EIN 232012968 · Headquarters: Taylor, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. National Society Colonial Dames Xvii Century

    EIN 237004415 · Headquarters: Allison Park, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. National Society Colonial Dames Xvii Century

    EIN 237332305 · Headquarters: Carlisle, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. National Society Colonial Dames Xvii Century

    EIN 237395535 · Headquarters: Gettysburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. National Society Colonial Dames Xvii Century

    EIN 251379236 · Headquarters: Georgetown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Society Colonial Dames Xvii Century

    EIN 521297192 · Headquarters: Gettysburg, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. National Society Colonial Dames Xvii Century

    EIN 994194232 · Headquarters: Coatesville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Society Daughters of the American Colonists

    EIN 256069332 · Headquarters: Erie, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  67. National Society for the Preserva- Tion of Covered Bridges

    EIN 046060691 · Headquarters: YORK, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. National Society of Arts and Letters

    EIN 256083088 · Headquarters: Moon Township, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. National Society of the Children of the American Revolution

    EIN 030572266 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. National Society of the Children of the American Revolution

    EIN 134281535 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Society of the Children of the American Revolution

    EIN 232208426 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Society of the Children of the American Revolution

    EIN 232934908 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. National Society of the Children of the American Revolution

    EIN 237248870 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Society of the Children of the American Revolution

    EIN 262428904 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. National Society of the Children of the American Revolution

    EIN 263692949 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Society of the Children of the American Revolution

    EIN 320290270 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Society of the Children of the American Revolution

    EIN 331217507 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. National Society of the Children of the American Revolution

    EIN 352340070 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Society of the Children of the American Revolution

    EIN 365106350 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Society of the Children of the American Revolution

    EIN 421652698 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. National Society of the Children of the American Revolution

    EIN 421765695 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Society of the Children of the American Revolution

    EIN 651296638 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. National Society of the Children of the American Revolution

    EIN 743256218 · Headquarters: Narberth, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. National Society of the Children of the American Revolution

    EIN 770722633 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Society of the Children of the American Revolution

    EIN 800282999 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  86. National Society of the Children of the American Revolution

    EIN 832370426 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. National Society of the Children of the American Revolution

    EIN 843640191 · Headquarters: Hellertown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Society of the Children of the American Revolution

    EIN 900398630 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Society of the Children of the American Revolution

    EIN 900430956 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  90. National Society of the Children of the American Revolution

    EIN 900430957 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. National Society of the Children of the American Revolution

    EIN 943443690 · Headquarters: Olyphant, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Society of the Daughters of the American

    EIN 461557702 · Headquarters: Lebanon, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. National Society of the Daughters of the American Revolution

    EIN 223865981 · Headquarters: Leechburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. National Society of the Daughters of the American Revolution

    EIN 232228614 · Headquarters: Exeter, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Society of the Daughters of the American Revolution

    EIN 232624181 · Headquarters: QUAKERTOWN, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. National Society of the Daughters of the American Revolution

    EIN 232666973 · Headquarters: Danville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Society of the Daughters of the American Revolution

    EIN 236049090 · Headquarters: Birdsboro, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. National Society of the Daughters of the American Revolution

    EIN 236269585 · Headquarters: Halifax, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Society of the Daughters of the American Revolution

    EIN 236272179 · Headquarters: Sinking Spring, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. National Society of the Daughters of the American Revolution

    EIN 236281617 · Headquarters: Lansdowne, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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