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. Amaranth Foundation

    EIN 237743235 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  2. Amateur Astronomers Association of Pittsburgh Inc

    EIN 251339244 · Headquarters: Glenshaw, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Amateur Athletic Association of the United States

    EIN 900636531 · Headquarters: PERKASIE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Amateur Athletic Union of the United States

    EIN 562458986 · Headquarters: DREXEL HILL, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Amateur Athletic Union of the United States

    EIN 651215376 · Headquarters: Collegeville, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  6. Amateur Athletic Union of the United States

    EIN 800239974 · Headquarters: BENSALEM, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Amateur Athletic Union of the United States

    EIN 900445315 · Headquarters: Brodheadsville, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Amateur Athletic Union of the United States Inc

    EIN 450581715 · Headquarters: Jim Thorpe, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Amateur Athletic Union of the United States Inc

    EIN 800257817 · Headquarters: Clarion, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. Amateur Athletic Union of the United States Inc

    EIN 814086561 · Headquarters: Kennett Square, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  11. Amateur Athletic Union of the United States Inc

    EIN 814417128 · Headquarters: Yardley, PA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  12. Amateur Athletic Union of the United States Inc

    EIN 862407538 · Headquarters: Easton, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. Amateur Athletic Union of the United States Inc

    EIN 862410589 · Headquarters: West Sunbury, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Amateur Athletic Union of the United States Middle Atlantic AAU

    EIN 134290193 · Headquarters: Jim Thorpe, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Amateur Athletic Union of the Us Collegeville Jags

    EIN 522392467 · Headquarters: COLLEGEVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  16. Amateur Athletic Unions of the Us Inc

    EIN 463492459 · Headquarters: Irwin, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. Amateur Radio League of Lawrence County

    EIN 251836938 · Headquarters: New Castle, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Amazing Air Technology Corporation of Pa

    EIN 342021202 · Headquarters: Pitcairn, PA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  19. Ambler Olympic Club

    EIN 232680273 · Headquarters: HARLEYSVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Ambridge Area Cafeteria Espa

    EIN 900510394 · Headquarters: AMBRIDGE, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Ambridge Area Secretaries & AIDS Esp

    EIN 800336256 · Headquarters: Ambridge, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Ambridge District Sportsmans Association

    EIN 251055455 · Headquarters: Baden, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Ambridge High School Class of 1975

    EIN 320771347 · Headquarters: Rochester, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Ambulance and Chair EMS

    EIN 251272075 · Headquarters: Washington, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Ambulance Association of Pennsylvania

    EIN 251579560 · Headquarters: Harrisburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Amelia Miles Foundation

    EIN 256092021 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. Amelia S Givin Free Library

    EIN 232027997 · Headquarters: MT HOLLY SPRINGS, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Amen Corner Pittsburgh

    EIN 842031453 · Headquarters: Presto, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Amen Ra Joint Ball

    EIN 922917950 · Headquarters: Norristown, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Amen Ra Temple 158

    EIN 473812807 · Headquarters: norristown, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Amer Fed of Labor & Congr of Ind Orgs

    EIN 231523553 · Headquarters: Lancaster, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Amer Federation of Teachers Local 2067

    EIN 237105206 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Amercian Legion

    EIN 236438673 · Headquarters: Mohrsville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Amercian Legion

    EIN 256065469 · Headquarters: Meyersdale, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Amerian Legion

    EIN 250319785 · Headquarters: Greenville, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. America Dream Charities

    EIN 472979401 · Headquarters: Hiller, PA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  37. America S Pastime Foundation

    EIN 465378160 · Headquarters: Dallastown, PA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  38. America String Teachers Association Incorporated

    EIN 061812662 · Headquarters: Wormleysburg, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Academy of Cardiovascular Perfusion

    EIN 630776991 · Headquarters: FOGELSVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. American Academy of Family Physicians D/b/a Pa Academy of Family Physicians

    EIN 231333063 · Headquarters: WYOMISSING, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. American Academy of Matrimonial Lawyers/Pennsylvania Chapter

    EIN 232340314 · Headquarters: NEWTON, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. American Academy of Pediatrics Pennsylvania Chapter

    EIN 237135840 · Headquarters: KING OF PRUSSIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Art Therapy Association Inc

    EIN 232963616 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Association for Clinical Chemistry

    EIN 232770003 · Headquarters: Media, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. American Association for Clinical Chemistry Pittsburgh Section

    EIN 251657680 · Headquarters: Carnegie, PA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  46. American Association for Lost Children Inc

    EIN 760224866 · Headquarters: LATROBE, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. American Association of Healthcare Admin Mgt Chapter 11 Keystone

    EIN 231971289 · Headquarters: Fogelsville, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. American Association of Healthcare Administrative Management

    EIN 264287761 · Headquarters: KINGSTON, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. American Association of Healthcare Administrative Three Rivers Chapter

    EIN 251606840 · Headquarters: WARREN, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. American Association of Neuroscience Nurses

    EIN 251443836 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Association of University Professors Pennsylvania Division

    EIN 256094204 · Headquarters: Annville, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Association of University Women

    EIN 256066188 · Headquarters: Oakmont, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Association of University Wowem

    EIN 465688803 · Headquarters: Blakeslee, PA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. American Association of Zoo Keepers

    EIN 232619834 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Association of Zoo Keepers

    EIN 461857563 · Headquarters: Norristown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Association of Zoo Keepers

    EIN 814990337 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. American Behcets Disease Association Inc

    EIN 411579632 · Headquarters: FEASTERVILLE, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. American Bible Society

    EIN 116325185 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. American Board of Dental Public Health

    EIN 636048380 · Headquarters: State College, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. American Board of Internal Medicine

    EIN 390866228 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. American Board of Ophthalmology

    EIN 231693176 · Headquarters: DOYLESTOWN, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. American Brittany Club Inc

    EIN 232033212 · Headquarters: allentown, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. American Cable Association Inc

    EIN 943180176 · Headquarters: BEAVER, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. American Catholic Historical Society

    EIN 236278542 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. American Chemical Soceity

    EIN 256063954 · Headquarters: State College, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Chemical Society

    EIN 136227602 · Headquarters: Tioga, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Chemical Society

    EIN 226056456 · Headquarters: Yardley, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Chemical Society

    EIN 236297028 · Headquarters: Willamsport, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Chemical Society

    EIN 236298348 · Headquarters: York, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Chemical Society

    EIN 236390704 · Headquarters: Allentown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Chemical Society

    EIN 256062813 · Headquarters: Erie, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. AMERICAN CHEMICAL SOCIETY Division of Fluorine Chemistry (FLUO)

    EIN 636155263 · Headquarters: Allentown, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. American Civil Liberties Union of Pennsylvania Inc

    EIN 237184439 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. American Classical Miami University

    EIN 046081375 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. American Club of Vandergrift

    EIN 250319080 · Headquarters: VANDERGRIFT, PA, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  76. American College of Dentists

    EIN 521384713 · Headquarters: Wynnewood, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. American College of Dentists

    EIN 521384715 · Headquarters: ALLISON PARK, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American College of Physicians Services Inc

    EIN 232961210 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. American College of Vet Radiology

    EIN 237230124 · Headquarters: MECHANICSBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. American Color Print Society

    EIN 237320724 · Headquarters: Doylestown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Council of Engineering Companies of Pennsylvania

    EIN 237293484 · Headquarters: HARRISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. American Criminal Justice Association - Lambda Alpha Epsilon

    EIN 202877472 · Headquarters: Aston, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Criminal Justice Association Lambda Alpha Epsilon

    EIN 352640448 · Headquarters: CENTER VALLEY, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  84. American Criminal Justice Association Lambda Alpha Epsilon

    EIN 384041900 · Headquarters: CENTER VALLEY, PA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. American Croation Club of Duquesne

    EIN 250451178 · Headquarters: DUQUESNE, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. American Culinary Federation

    EIN 251692403 · Headquarters: Pittsburgh, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. American Dental Assistants Assn Lancaster County Society

    EIN 237027728 · Headquarters: DOYLESTOWN, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Dental Assistants Association

    EIN 472324763 · Headquarters: Wyoming, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Dental Assistants Association-Pennsylvania Associati

    EIN 237026313 · Headquarters: Hegins, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Diabetes Assoc Tr Udecl

    EIN 046093069 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. American Electric Power System Employees

    EIN 516024654 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. American Electric Pwr System Retiree Life

    EIN 752472683 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. American Fed of Labor & Congofindor

    EIN 231520057 · Headquarters: Reading, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. American Fed of Teachers Mont Cty Cc 4272

    EIN 232216979 · Headquarters: BLUE BELL, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. American Federation of Gov Employee

    EIN 233056564 · Headquarters: PHILADELPHIA, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. American Federation of Goverment Enployees Local 1916

    EIN 256066197 · Headquarters: SOUTH PARK, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. American Federation of Government Employ

    EIN 900526010 · Headquarters: PHILADELPHIA, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. American Federation of Government Employ 1862 Afge Local

    EIN 237002695 · Headquarters: ALTOONA, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. American Federation of Government Employees

    EIN 232113190 · Headquarters: Philadelphia, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. American Federation of Government Employees

    EIN 232396330 · Headquarters: Bala Cynwyd, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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