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. Association of Our Lady of Aparecida Inc

    EIN 521272312 · Headquarters: Fairfax, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Association of Owners of Mill Neck Estates Inc

    EIN 112801311 · Headquarters: BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  3. Association of Pacific Coast Geographers Inc

    EIN 930562597 · Headquarters: SACRAMENTO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Association of Pacific Ports

    EIN 941581549 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Association of Parking Authorities of New Jersey

    EIN 222143908 · Headquarters: New Brunswick, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Association of Peadiatric Oncology Nurses

    EIN 251725561 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Association of Pedestrian and Bicycle Professionals

    EIN 311618937 · Headquarters: Lexington, KY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Association of Pediatric Hematology Oncology Nurses

    EIN 363386146 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Association of Pediatric Hematology Oncology Nurses Inc

    EIN 384122096 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. Association of Pediatric Hematology Oncology Nurses Inc

    EIN 471086890 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Association of Pediatric Hematology Oncology Nurses Inc

    EIN 472872052 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Association of Pediatric Oncology

    EIN 731634744 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Association of Pediatric Oncology Nurses

    EIN 010516987 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Association of Pediatric Oncology Nurses

    EIN 010868064 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Association of Pediatric Oncology Nurses

    EIN 061519382 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. Association of Pediatric Oncology Nurses

    EIN 223891078 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Association of Pediatric Oncology Nurses

    EIN 232769191 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Association of Pediatric Oncology Nurses

    EIN 300314570 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Association of Pediatric Oncology Nurses

    EIN 311188612 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Association of Pediatric Oncology Nurses

    EIN 351815086 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Association of Pediatric Oncology Nurses

    EIN 363386149 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Association of Pediatric Oncology Nurses

    EIN 363386151 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Association of Pediatric Oncology Nurses

    EIN 391760196 · Headquarters: Mclean, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Association of Pediatric Oncology Nurses

    EIN 411621009 · Headquarters: Mclean, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  25. Association of Pediatric Oncology Nurses

    EIN 421447753 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Association of Pediatric Oncology Nurses

    EIN 431590138 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Association of Pediatric Oncology Nurses

    EIN 431617794 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Association of Pediatric Oncology Nurses

    EIN 453686248 · Headquarters: Mclean, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. Association of Pediatric Oncology Nurses

    EIN 562010575 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Association of Pediatric Oncology Nurses

    EIN 570844748 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Association of Pediatric Oncology Nurses

    EIN 611279093 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Association of Pediatric Oncology Nurses

    EIN 651018052 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Association of Pediatric Oncology Nurses

    EIN 752649829 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Association of Pediatric Oncology Nurses

    EIN 800173723 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Association of Pediatric Oncology Nurses

    EIN 841279847 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Association of Pediatric Oncology Nurses

    EIN 860829018 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Association of Pediatric Oncology Nurses

    EIN 862291785 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Association of Pediatric Oncology Nurses

    EIN 863079985 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Association of Pediatric Oncology Nurses

    EIN 863420674 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Association of Pediatric Oncology Nurses

    EIN 871780842 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Association of Pediatric Oncology Nurses

    EIN 931291565 · Headquarters: MCLEAN, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Association of Pediatric Oncology Social Workers Inc

    EIN 251428562 · Headquarters: NEWCASTLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Association of Pediatric Surgery Training Program Directors

    EIN 521956673 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Association of Pennsylvania Parking Authorities Inc

    EIN 251676134 · Headquarters: Allentown, PA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Association of Pennsylvania State College & University Faculties

    EIN 223120040 · Headquarters: HARRISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Association of Pennsylvania State College & University Faculties

    EIN 237247527 · Headquarters: HARRISBURG, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Association of Pennsylvania State College & University Faculties

    EIN 251335094 · Headquarters: Edinboro, PA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Association of Pennsylvania State College and University Faculties

    EIN 251489406 · Headquarters: Mansfield, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Association of People Supporting Employment First

    EIN 300787909 · Headquarters: Little Rock, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Association of PeriOperative Registered Nurses

    EIN 131882322 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Association of Perioperative Registered Nurses

    EIN 863018240 · Headquarters: Carol Stream, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Association of Personal Computer User Groups Inc

    EIN 521651903 · Headquarters: Pine, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Association of Petroleum Wives

    EIN 952419156 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Association of Philanthropic Counsel Inc

    EIN 593405094 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Association of Philippine Physician of Greater Cin

    EIN 311002400 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Association of Philippine Physicians of Ny

    EIN 112678787 · Headquarters: Melville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Association of Physician Assistants in Cardiothoracic and Vascular Surgery Inc

    EIN 592147565 · Headquarters: FESTUS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Association of Pickerel Lake

    EIN 383957416 · Headquarters: Scotts, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Association of Placentia - Linda Educators

    EIN 952975343 · Headquarters: Anaheim, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Association of Plastic Recyclers Inc

    EIN 521779031 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Association of Pleasanton Teachers

    EIN 943057281 · Headquarters: DUBLIN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Association of Poinciana Villages

    EIN 591514293 · Headquarters: Kissimmee, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Association of Polycarbonate Building System Integrators

    EIN 453278377 · Headquarters: Medina, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  64. Association of Pool & Spa Professionals Greater Houston Chapter

    EIN 746179540 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Association of Pool and Spa Professional Indiana Chapter

    EIN 300564941 · Headquarters: INDIANAPOLIS, IN, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Association of Portsmouth Teachers

    EIN 902093662 · Headquarters: Portsmouth, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Association of Practicing Cpas

    EIN 237259449 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Association of Practicing Psychologists Montgomery Prince Ge

    EIN 521051712 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Association of Presidential Awardees in Science Teaching

    EIN 464551309 · Headquarters: PEARL, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  70. Association of Priority Mail Users Inc

    EIN 541696197 · Headquarters: Vienna, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Association of Private Colleges

    EIN 141742188 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Association of Private Enterprise Education Inc

    EIN 581337345 · Headquarters: LUBBOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Association of Private Health Insurance Exchanges Inc

    EIN 464004893 · Headquarters: Fountain Inn, SC, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  74. Association of Pro-life Obstetricians and Gynecologists

    EIN 237347367 · Headquarters: FORT WAYNE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Association of Procurement Technical Assistance Centers Inc

    EIN 760471515 · Headquarters: GALLATIN, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Association of Prof Ok Educators

    EIN 731512320 · Headquarters: NORMAN, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Association of Professional and Business Women

    EIN 351586632 · Headquarters: Angola, IN, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  78. Association of Professional Communication Consultants Inc

    EIN 731206825 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Association of Professional Engineers in Cincinnati Service

    EIN 237076702 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Association of Professional Genealogists

    EIN 462640375 · Headquarters: Poulsboro, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Association of Professional Genealogists

    EIN 463383571 · Headquarters: Poulsboro, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Association of Professional Humane Educators

    EIN 943146809 · Headquarters: Alameda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Association of Professional Landscape Designers

    EIN 232548093 · Headquarters: Harrisburg, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Association of Professional Material Handling Consultants

    EIN 362594288 · Headquarters: Charlotte, NC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Association of Professional Model Makers Inc

    EIN 943193128 · Headquarters: Olathe, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Association of Professional Researchers for Advancement

    EIN 061463560 · Headquarters: Greenwood Lake, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Association of Professional Researchers for Advancement

    EIN 233035870 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Association of Professional Researchers for Advancement

    EIN 351822565 · Headquarters: Chesterton, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Association of Professional Researchers for Advancement

    EIN 364174718 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Association of Professional Researchers for Advancement

    EIN 411551653 · Headquarters: Saint Paul, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Association of Professional Researchers for Advancement

    EIN 421583305 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Association of Professional Researchers for Advancement

    EIN 471877336 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Association of Professional Researchers for Advancement

    EIN 522219321 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Association of Professional Researchers for Advancement

    EIN 832569959 · Headquarters: Phoenix, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Association of Professional Researchers for Advancement

    EIN 841338360 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Association of Professional Researchers for Advancement

    EIN 911746407 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Association of Professional Researchers for Advancement

    EIN 911940437 · Headquarters: Fayetteville, AR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  98. Association of Professional Researchers for Advancement

    EIN 912004385 · Headquarters: Overland Park, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Association of Professional Researches for Advancement

    EIN 593511338 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Association of Professional Responsibility Lawyers

    EIN 363745308 · Headquarters: Cerritos, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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