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 Operating Room Nurses Inc

    EIN 561470298 · Headquarters: DURHAM, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Association of Operating Room Nurses Inc

    EIN 561671307 · Headquarters: Goldsboro, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Association of Operating Room Nurses Inc

    EIN 561808100 · Headquarters: Rocky Mount, NC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Association of Operating Room Nurses Inc

    EIN 562013664 · Headquarters: Surfside Beach SC, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. Association of Operating Room Nurses Inc

    EIN 562103969 · Headquarters: Franklinton, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Association of Operating Room Nurses Inc

    EIN 570685676 · Headquarters: Hopkins, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Association of Operating Room Nurses Inc

    EIN 570781296 · Headquarters: Johns Island, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Association of Operating Room Nurses Inc

    EIN 581984767 · Headquarters: Marietta, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. Association of Operating Room Nurses Inc

    EIN 592965696 · Headquarters: Zephyhills, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Association of Operating Room Nurses Inc

    EIN 610899252 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Association of Operating Room Nurses Inc

    EIN 621312582 · Headquarters: Jackson, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Association of Operating Room Nurses Inc

    EIN 621430076 · Headquarters: Glen Allen, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Association of Operating Room Nurses Inc

    EIN 650289077 · Headquarters: Coconut Creek, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Association of Operating Room Nurses Inc

    EIN 650519392 · Headquarters: Boynton Beach, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Association of Operating Room Nurses Inc

    EIN 680226693 · Headquarters: Truckee, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Association of Operating Room Nurses Inc

    EIN 710584473 · Headquarters: Cabot, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Association of Operating Room Nurses Inc

    EIN 720948188 · Headquarters: LAFAYETTE, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Association of Operating Room Nurses Inc

    EIN 721025340 · Headquarters: GEISMER, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Association of Operating Room Nurses Inc

    EIN 731365437 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Association of Operating Room Nurses Inc

    EIN 731415844 · Headquarters: Stillwater, OK, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Association of Operating Room Nurses Inc

    EIN 742126875 · Headquarters: Burnet, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Association of Operating Room Nurses Inc

    EIN 742371232 · Headquarters: Temple, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Association of Operating Room Nurses Inc

    EIN 742596612 · Headquarters: Highland Village, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Association of Operating Room Nurses Inc

    EIN 742653760 · Headquarters: Wayne, NJ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Association of Operating Room Nurses Inc

    EIN 742653773 · Headquarters: Lakewood, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Association of Operating Room Nurses Inc

    EIN 742653784 · Headquarters: Flagstaff, AZ, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  27. Association of Operating Room Nurses Inc

    EIN 742653811 · Headquarters: Midland, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Association of Operating Room Nurses Inc

    EIN 742653812 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Association of Operating Room Nurses Inc

    EIN 742653814 · Headquarters: SOLON, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Association of Operating Room Nurses Inc

    EIN 742653824 · Headquarters: Carbondale, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Association of Operating Room Nurses Inc

    EIN 742653827 · Headquarters: Reston, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Association of Operating Room Nurses Inc

    EIN 742653828 · Headquarters: Bainbridge, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Association of Operating Room Nurses Inc

    EIN 742653829 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Association of Operating Room Nurses Inc

    EIN 742653830 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Association of Operating Room Nurses Inc

    EIN 742653834 · Headquarters: Hancock, NH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Association of Operating Room Nurses Inc

    EIN 742653835 · Headquarters: Lancaster, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Association of Operating Room Nurses Inc

    EIN 742653838 · Headquarters: Jacksonville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Association of Operating Room Nurses Inc

    EIN 742653839 · Headquarters: Fort Myers, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Association of Operating Room Nurses Inc

    EIN 742653852 · Headquarters: Metairie, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Association of Operating Room Nurses Inc

    EIN 742653855 · Headquarters: Ridgeland, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Association of Operating Room Nurses Inc

    EIN 742660332 · Headquarters: Sarasota, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Association of Operating Room Nurses Inc

    EIN 742661450 · Headquarters: Bellevue, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Association of Operating Room Nurses Inc

    EIN 742694527 · Headquarters: Spartanburg, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Association of Operating Room Nurses Inc

    EIN 742715141 · Headquarters: Beacon Falls, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  45. Association of Operating Room Nurses Inc

    EIN 742715155 · Headquarters: Roselle, IL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. Association of Operating Room Nurses Inc

    EIN 742715263 · Headquarters: Gray court, SC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Association of Operating Room Nurses Inc

    EIN 742738051 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. Association of Operating Room Nurses Inc

    EIN 742748750 · Headquarters: Crystal River, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Association of Operating Room Nurses Inc

    EIN 742748758 · Headquarters: MONTGOMERY, AL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. Association of Operating Room Nurses Inc

    EIN 742748770 · Headquarters: Mount Laurel, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Association of Operating Room Nurses Inc

    EIN 742758749 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Association of Operating Room Nurses Inc

    EIN 742783660 · Headquarters: Benton, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Association of Operating Room Nurses Inc

    EIN 742783662 · Headquarters: Oakland Gardens, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Association of Operating Room Nurses Inc

    EIN 742783689 · Headquarters: Myrtle Beach, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Association of Operating Room Nurses Inc

    EIN 746085027 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Association of Operating Room Nurses Inc

    EIN 752431409 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Association of Operating Room Nurses Inc

    EIN 752458577 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Association of Operating Room Nurses Inc

    EIN 756225313 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Association of Operating Room Nurses Inc

    EIN 760304054 · Headquarters: Kingwood, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Association of Operating Room Nurses Inc

    EIN 760329474 · Headquarters: Santa Fe, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Association of Operating Room Nurses Inc

    EIN 760419891 · Headquarters: Guy, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Association of Operating Room Nurses Inc

    EIN 770012206 · Headquarters: Ripon, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Association of Operating Room Nurses Inc

    EIN 800149599 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. Association of Operating Room Nurses Inc

    EIN 800159015 · Headquarters: Poughkeepsie, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Association of Operating Room Nurses Inc

    EIN 813175585 · Headquarters: WOODSTOCK, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Association of Operating Room Nurses Inc

    EIN 813570870 · Headquarters: greensboro, NC, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Association of Operating Room Nurses Inc

    EIN 820412170 · Headquarters: Nampa, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Association of Operating Room Nurses Inc

    EIN 841599129 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Association of Operating Room Nurses Inc

    EIN 880249784 · Headquarters: Carson City, NV, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Association of Operating Room Nurses Inc

    EIN 911459298 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. Association of Operating Room Nurses Inc

    EIN 911606257 · Headquarters: SUNNYSIDE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Association of Operating Room Nurses Inc

    EIN 911774617 · Headquarters: Mandeville, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Association of Operating Room Nurses Inc

    EIN 936095413 · Headquarters: Gladstone, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Association of Operating Room Nurses Inc

    EIN 942307795 · Headquarters: SAN JOSE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Association of Operating Room Nurses Inc

    EIN 942744126 · Headquarters: Concord, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Association of Operating Room Nurses Inc

    EIN 950010313 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Association of Operating Room Nurses Inc

    EIN 953846509 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Association of Operating Room Nurses Inc

    EIN 954351871 · Headquarters: Hacienda Heights, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Association of Operating Room Nurses Inc

    EIN 990315918 · Headquarters: Kaneohe, HI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Association of Operating Room Nurses Inc 1101 Atlanta

    EIN 581733300 · Headquarters: Stone Mountain, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Association of Operative Millers

    EIN 363346943 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Association of Operative Millers

    EIN 363346950 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Association of Operative Millers

    EIN 363346956 · Headquarters: Lenexa, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Association of Operative Millers

    EIN 363346961 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Association of Operative Millers

    EIN 363346962 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Association of Operative Millers

    EIN 363346967 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Association of Operative Millers

    EIN 363347681 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Association of Operative Millers

    EIN 363347682 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Association of Operative Millers

    EIN 431359772 · Headquarters: LENEXA, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Association of Orange County Deputy District Attorneys

    EIN 330229397 · Headquarters: Santa Ana, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Association of Orange County Deputy Sheriffs

    EIN 953122553 · Headquarters: SANTA ANA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Association of Oregon Archaelogists

    EIN 930911880 · Headquarters: Ashland, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Association of Oregon Christmas Tree Growers Inc

    EIN 993146585 · Headquarters: Colton, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Association of Oregon Community Mental Health Programs

    EIN 930582360 · Headquarters: SALEM, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Association of Oregon County Planning Directors

    EIN 930856110 · Headquarters: Coquille, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Association of Oregon Faculties

    EIN 930764088 · Headquarters: ASHLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Association of Oregon Public Health Nursing Supervisors

    EIN 900616836 · Headquarters: JEFFERSON, OR, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  98. Association of Oregon Recyclers

    EIN 930853027 · Headquarters: TUALATIN, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Association of Organ Procurement Organization Foundation

    EIN 581652896 · Headquarters: MCLEAN, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Association of Otolaryngology Administrators

    EIN 421336844 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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