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. American Association of Neuroscience Nurses

    EIN 161425292 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. American Association of Neuroscience Nurses

    EIN 200782242 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. American Association of Neuroscience Nurses

    EIN 201355764 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Association of Neuroscience Nurses

    EIN 202367992 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. American Association of Neuroscience Nurses

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

  6. American Association of Neuroscience Nurses

    EIN 251718336 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. American Association of Neuroscience Nurses

    EIN 270737130 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. American Association of Neuroscience Nurses

    EIN 273374590 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. American Association of Neuroscience Nurses

    EIN 341578099 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Association of Neuroscience Nurses

    EIN 362676392 · Headquarters: Schaumburg, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. American Association of Neuroscience Nurses

    EIN 383918266 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. American Association of Neuroscience Nurses

    EIN 421754507 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. American Association of Neuroscience Nurses

    EIN 454984163 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. American Association of Neuroscience Nurses

    EIN 470942106 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. American Association of Neuroscience Nurses

    EIN 471128735 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. American Association of Neuroscience Nurses

    EIN 521772752 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. American Association of Neuroscience Nurses

    EIN 550901157 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. American Association of Neuroscience Nurses

    EIN 581605144 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. American Association of Neuroscience Nurses

    EIN 680397921 · Headquarters: Foresthill, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Association of Neuroscience Nurses

    EIN 742256310 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Association of Neuroscience Nurses

    EIN 742553746 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Association of Neuroscience Nurses

    EIN 752453582 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. American Association of Neuroscience Nurses

    EIN 811730453 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. American Association of Neuroscience Nurses

    EIN 812986058 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Association of Neuroscience Nurses

    EIN 813110252 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  26. American Association of Neuroscience Nurses

    EIN 814388408 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. American Association of Neuroscience Nurses

    EIN 823510243 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  28. American Association of Neuroscience Nurses

    EIN 824689272 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. American Association of Neuroscience Nurses

    EIN 843053615 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. American Association of Neuroscience Nurses

    EIN 860622185 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Association of Neuroscience Nurses

    EIN 861818651 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Association of Neuroscience Nurses

    EIN 911474430 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Association of Neuroscience Nurses

    EIN 911862482 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. American Association of Neuroscience Nurses

    EIN 911862511 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. American Association of Neuroscience Nurses

    EIN 911862530 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. American Association of Neuroscience Nurses

    EIN 911862534 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Association of Neuroscience Nurses

    EIN 911862535 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. American Association of Neuroscience Nurses

    EIN 911862547 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. American Association of Neuroscience Nurses

    EIN 931221075 · Headquarters: Schaumberg, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Association of Neuroscience Nurses South Texas Ch

    EIN 832180366 · Headquarters: Schaumburg, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Association of Nurse Anesthetists

    EIN 362113743 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Association of Nurse Attorneys - Texas Chapter

    EIN 742605214 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. American Association of Nurse Practitioners

    EIN 222547543 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. American Association of Obstetricians and Gynecologists Foundation Inc

    EIN 386042799 · Headquarters: FOREST HILL, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. American Association of Occupational Hea

    EIN 131683514 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. American Association of Ophthalmic Pathologists Inc

    EIN 521134987 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Association of Oral and Maxillofacial Surgeons

    EIN 362405828 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. American Association of Orthodontists

    EIN 430763598 · Headquarters: ST LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Association of Otolaryngologist of Indian Heritage

    EIN 010467668 · Headquarters: ELGIN, IL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  50. American Association of Pathologists' Assistants

    EIN 310921680 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. American Association of Pediatric Urologists

    EIN 721311469 · Headquarters: SCHAUMBURG, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. American Association of Petroleum Geologists

    EIN 730125920 · Headquarters: TULSA, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. American Association of Pharmaceutical Scientists

    EIN 202726075 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. American Association of Pharmaceutical Scientists

    EIN 202726214 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. American Association of Pharmaceutical Scientists

    EIN 202726259 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Association of Pharmaceutical Scientists

    EIN 202726339 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. American Association of Pharmaceutical Scientists

    EIN 203362940 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Association of Pharmaceutical Scientists

    EIN 203847564 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. American Association of Pharmaceutical Scientists

    EIN 203904276 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. American Association of Pharmaceutical Scientists

    EIN 205118104 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. American Association of Pharmaceutical Scientists

    EIN 208079459 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. American Association of Pharmaceutical Scientists

    EIN 208079699 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. American Association of Pharmaceutical Scientists

    EIN 260066659 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. American Association of Pharmaceutical Scientists

    EIN 260066660 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. American Association of Pharmaceutical Scientists

    EIN 260066661 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. American Association of Pharmaceutical Scientists

    EIN 260066662 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. American Association of Pharmaceutical Scientists

    EIN 260066663 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. American Association of Pharmaceutical Scientists

    EIN 260066664 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Association of Pharmaceutical Scientists

    EIN 260079986 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. American Association of Pharmaceutical Scientists

    EIN 260085146 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Association of Pharmaceutical Scientists

    EIN 260085149 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. American Association of Pharmaceutical Scientists

    EIN 260092638 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. American Association of Pharmaceutical Scientists

    EIN 260100636 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. American Association of Pharmaceutical Scientists

    EIN 260100642 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. American Association of Pharmaceutical Scientists

    EIN 263512846 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. American Association of Pharmaceutical Scientists

    EIN 270580895 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. American Association of Pharmaceutical Scientists

    EIN 271330096 · Headquarters: ARLINGTON, VA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. American Association of Pharmaceutical Scientists

    EIN 272181919 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. American Association of Pharmaceutical Scientists

    EIN 272413269 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Association of Pharmaceutical Scientists

    EIN 272413315 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. American Association of Pharmaceutical Scientists

    EIN 273213200 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. American Association of Pharmaceutical Scientists

    EIN 274598659 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. American Association of Pharmaceutical Scientists

    EIN 274598759 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. American Association of Pharmaceutical Scientists

    EIN 300457707 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. American Association of Pharmaceutical Scientists

    EIN 331023027 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. American Association of Pharmaceutical Scientists

    EIN 342000981 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. American Association of Pharmaceutical Scientists

    EIN 342020618 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  88. American Association of Pharmaceutical Scientists

    EIN 363299879 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. American Association of Pharmaceutical Scientists

    EIN 383775395 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. American Association of Pharmaceutical Scientists

    EIN 421560969 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. American Association of Pharmaceutical Scientists

    EIN 421560972 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Association of Pharmaceutical Scientists

    EIN 421560974 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. American Association of Pharmaceutical Scientists

    EIN 421560976 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. American Association of Pharmaceutical Scientists

    EIN 421560977 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. American Association of Pharmaceutical Scientists

    EIN 431977711 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. American Association of Pharmaceutical Scientists

    EIN 431977714 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American Association of Pharmaceutical Scientists

    EIN 454549613 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. American Association of Pharmaceutical Scientists

    EIN 454782324 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. American Association of Pharmaceutical Scientists

    EIN 455338756 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. American Association of Pharmaceutical Scientists

    EIN 461016375 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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