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. American Legion Post 510

    EIN 236438684 · Headquarters: LACEYVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. American Legion Post 527

    EIN 256090393 · Headquarters: East Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. American Legion Post 534

    EIN 272560668 · Headquarters: WYALUSING, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. American Legion Post 543 Red Lion

    EIN 231268650 · Headquarters: RED LION, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. American Legion Post 547

    EIN 261545805 · Headquarters: Ardmore, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. American Legion Post 551 St Michael

    EIN 010953059 · Headquarters: SAINT MICHAEL, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. American Legion Post 556

    EIN 251610736 · Headquarters: SIX MILE RUN, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. American Legion Post 567

    EIN 256093460 · Headquarters: ALBION, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Legion Post 569

    EIN 901663029 · Headquarters: NORTHERN CAMBRIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. American Legion Post 57 Inc

    EIN 250912039 · Headquarters: SALTSBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. American Legion Post 570

    EIN 236438689 · Headquarters: BLAKELY, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. American Legion Post 572

    EIN 251363030 · Headquarters: BLOSSBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. American Legion Post 584

    EIN 251094938 · Headquarters: MERCER, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. American Legion Post 617

    EIN 240574225 · Headquarters: WILLIAMSPORT, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. American Legion Post 638 Earl J Watt Inc

    EIN 612292176 · Headquarters: Bessemer, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Legion Post 667

    EIN 236297212 · Headquarters: Havertown, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. American Legion Post 698

    EIN 256093478 · Headquarters: Burgettstown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Legion Post 705 Hancock-McCune-Horne Inc

    EIN 251271635 · Headquarters: Fredericktown, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. American Legion Post 720 Berlin-bow

    EIN 461381781 · Headquarters: KNOX, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. American Legion Post 733

    EIN 236391129 · Headquarters: HARRISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. American Legion Post 742 Orville H Frank Post

    EIN 251031453 · Headquarters: Fairview, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  22. American Legion Post 75

    EIN 256133024 · Headquarters: CLAIRTON, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  23. American Legion Post 77

    EIN 256090371 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. American Legion Post 773

    EIN 256093487 · Headquarters: ERIE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Legion Post 8 Everett

    EIN 231326372 · Headquarters: Everett, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Legion Post 815 Wilkes-bar Re Township

    EIN 232377959 · Headquarters: WILKES BARRE, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Legion Post 82

    EIN 251775039 · Headquarters: CARNEGIE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. American Legion Post 880

    EIN 264750800 · Headquarters: RICHLAND, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. American Legion Post 883

    EIN 231542951 · Headquarters: Jonestown, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. American Legion Post 910 Peter Charles Moore

    EIN 300708525 · Headquarters: JONESTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. American Legion Post 926

    EIN 236438615 · Headquarters: Aston, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. American Legion Post 952 Southside Memorial Inc

    EIN 256093498 · Headquarters: Georgetown, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  33. American Legion Post 980 Inc

    EIN 251347785 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. American Legion R Henry Post 327

    EIN 240508570 · Headquarters: OLYPHANT, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. American Legion Riders Post 242

    EIN 611848397 · Headquarters: Quakertown, PA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  36. American Legion Riders Post 516

    EIN 883559671 · Headquarters: hollidaysburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Legion Riders Post 981

    EIN 465057465 · Headquarters: GREENSBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  38. American Legion Roscoe Post 801

    EIN 383813738 · Headquarters: Roscoe, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. American Legion Roy W Gibson Post 535

    EIN 236297077 · Headquarters: Nottingham, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. American Legion S Mtn Post 674 Ha

    EIN 251633655 · Headquarters: MOUNT HOLLY SPRINGS, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. American Legion Samuel Hager

    EIN 256092891 · Headquarters: POINT MARION, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Legion Sayre Post 283

    EIN 237332956 · Headquarters: SAYRE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. AMERICAN LEGION Valley Legion Club

    EIN 256092865 · Headquarters: Weedville, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. American Legion Victory Post 25

    EIN 236296224 · Headquarters: SELINSGROVE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. American Legion West End Memorial Post 927 Auxiliary

    EIN 460663273 · Headquarters: Lake Harmony, PA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  46. American Legion Wheatland Post 432

    EIN 251431760 · Headquarters: WHEATLAND, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. American Legion-department of Pennsylvania-first District

    EIN 475495893 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Living History Club of Nor Thwest Pennsylvania Inc

    EIN 394158953 · Headquarters: CRANESVILLE, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Marketing Association Inc

    EIN 236448712 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. American Marketing Association Pittsburgh Chapter

    EIN 251673332 · Headquarters: CARNEGIE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. American Mazu Cultural Association Inc

    EIN 331725293 · Headquarters: PHILADELPHIA, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Medical Foundation for Peer Review and Education

    EIN 133228750 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. American Merchant Marine Veterans Three Rivers Chapter

    EIN 251767944 · Headquarters: MCMURRAY, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Mushroom Institute

    EIN 231470888 · Headquarters: Avondale, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. American Musicians Resource Network

    EIN 300459675 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  56. American Nephrology Nurses Association

    EIN 300629239 · Headquarters: Ligonier, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Nephrology Nurses Association

    EIN 300634252 · Headquarters: Shermans Dale, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Nephrology Nurses Association

    EIN 364671474 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Nuclear Society Delaware Valley Section

    EIN 263875335 · Headquarters: West Chester, PA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  60. American Orff-schulwerk Association

    EIN 232322681 · Headquarters: Coatesville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Orff-schulwerk Association

    EIN 251485631 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Organization for Bodywork Therapies of Asia Inc

    EIN 510333897 · Headquarters: GLEN MILLS, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. American Outlaws Bethlehem Chapter Inc

    EIN 831122617 · Headquarters: Easton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Outlaws Lancaster Chapter Inc

    EIN 463219380 · Headquarters: Lancaster, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Outlaws Philadelphia Chapter

    EIN 813893703 · Headquarters: Levittown, PA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  66. American Pharmacists Association Academy of Student Pharmacists

    EIN 236297582 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Pharmacists Association Academy of Student Pharmacists

    EIN 236391180 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Pharmacists Association Academy of Student Pharmacists

    EIN 256063950 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Pharmacists Association Academy of Student Pharmacists

    EIN 452659909 · Headquarters: Erie, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. American Philatelic Research Library

    EIN 251213435 · Headquarters: BELLEFONTE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. American Polish Citizens Club

    EIN 250928104 · Headquarters: Nanty Glo, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. American Postal Workers Afl-cio E Montgomery County Area Local 2233

    EIN 236423342 · Headquarters: PLYMOUTH MEETING, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. American Postal Workers Union

    EIN 232007845 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. American Postal Workers Union

    EIN 236423403 · Headquarters: WILLIAMSPORT, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Postal Workers Union

    EIN 237102171 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Postal Workers Union

    EIN 237282829 · Headquarters: Reading, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. American Postal Workers Union

    EIN 237338432 · Headquarters: LEHIGH VALLEY, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. American Postal Workers Union

    EIN 237338460 · Headquarters: Langhorne, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. American Postal Workers Union

    EIN 237339929 · Headquarters: Hanover, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. American Postal Workers Union

    EIN 237341352 · Headquarters: Saint Marys, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. American Postal Workers Union

    EIN 256053747 · Headquarters: Sharon, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Postal Workers Union

    EIN 264672544 · Headquarters: SLOVAN, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Postal Workers Union 101

    EIN 237341347 · Headquarters: SCRANTON, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. American Postal Workers Union 89 Phila Pa Local

    EIN 231543107 · Headquarters: DARBY, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. American Postal Workers Union 95

    EIN 237338429 · Headquarters: LANCASTER, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. American Postal Workers Union Erie 269

    EIN 256063289 · Headquarters: ERIE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. American Postal Workers Union Local 175

    EIN 237338430 · Headquarters: WILKESBARRE, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. American Postal Workers Union-1566 Keystone Area Local

    EIN 236298047 · Headquarters: ENOLA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. American Production and Inventory 25 Philadelphia

    EIN 232156713 · Headquarters: Media, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  90. American Production and Inventory Control Soc Pitts Chapter Inc

    EIN 251317390 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. American Professional Rodeo Association

    EIN 232751547 · Headquarters: COCHRANVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. American Rabbit Breeders Assoc Inc

    EIN 250914292 · Headquarters: KNOX, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. American Rental Association

    EIN 232238738 · Headquarters: Uniontown, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. American Rhododendron Society

    EIN 232492962 · Headquarters: Alburtis, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. American Rhododendron Society

    EIN 237431814 · Headquarters: Radnor, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. American Rose Society

    EIN 232048288 · Headquarters: Hatfield, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Rose Society

    EIN 236464773 · Headquarters: Camp Hill, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. American Rose Society

    EIN 251362806 · Headquarters: Bethel Park, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Rose Society

    EIN 581783002 · Headquarters: West Chester, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. American Rose Society

    EIN 581783207 · Headquarters: Reading, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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