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. Institute of Industrial Engineers Inc

    EIN 916063642 · Headquarters: Redmond, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Institute of Industrial Engineers Inc

    EIN 916185673 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Institute of Industrial Engineers Inc

    EIN 936097441 · Headquarters: Corvallis, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Institute of Industrial Engineers Inc

    EIN 956141294 · Headquarters: Gig Harbor, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Institute of Integral Health Inc

    EIN 680008818 · Headquarters: TRUCKEE, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Institute of Internal Auditors

    EIN 010360050 · Headquarters: AUGUSTA, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Institute of Internal Auditors

    EIN 020362199 · Headquarters: Manchester, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Institute of Internal Auditors

    EIN 030269662 · Headquarters: montpelier, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Institute of Internal Auditors

    EIN 050384492 · Headquarters: Lake Mary, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Institute of Internal Auditors

    EIN 161164634 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Institute of Internal Auditors

    EIN 202228329 · Headquarters: COCOA, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Institute of Internal Auditors

    EIN 223877850 · Headquarters: Gainesville, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Institute of Internal Auditors

    EIN 232252178 · Headquarters: Shavertown, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Institute of Internal Auditors

    EIN 237300273 · Headquarters: Broad Brook, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Institute of Internal Auditors

    EIN 237350019 · Headquarters: New York City, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Institute of Internal Auditors

    EIN 237404515 · Headquarters: Baltimore, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Institute of Internal Auditors

    EIN 237404517 · Headquarters: Winter Garden, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Institute of Internal Auditors

    EIN 237405457 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Institute of Internal Auditors

    EIN 237405458 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Institute of Internal Auditors

    EIN 237406287 · Headquarters: La Grange, KY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Institute of Internal Auditors

    EIN 237406288 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Institute of Internal Auditors

    EIN 237406289 · Headquarters: Fort Wayne, IN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. Institute of Internal Auditors

    EIN 237406290 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Institute of Internal Auditors

    EIN 237406295 · Headquarters: Germantown, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Institute of Internal Auditors

    EIN 237406317 · Headquarters: SACRAMENTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Institute of Internal Auditors

    EIN 237406775 · Headquarters: South Bend, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Institute of Internal Auditors

    EIN 237407277 · Headquarters: Shreveport, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Institute of Internal Auditors

    EIN 237408092 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Institute of Internal Auditors

    EIN 237408316 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Institute of Internal Auditors

    EIN 237408778 · Headquarters: Fairport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Institute of Internal Auditors

    EIN 262241493 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Institute of Internal Auditors

    EIN 310897666 · Headquarters: Grand Rapids, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Institute of Internal Auditors

    EIN 330511822 · Headquarters: Rancho Cucamonga, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Institute of Internal Auditors

    EIN 371088763 · Headquarters: Rochester, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Institute of Internal Auditors

    EIN 382356431 · Headquarters: East Lansing, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Institute of Internal Auditors

    EIN 391243979 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Institute of Internal Auditors

    EIN 391758874 · Headquarters: WRIGHTSTOWN, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Institute of Internal Auditors

    EIN 411719509 · Headquarters: Duluth, MN, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. Institute of Internal Auditors

    EIN 421120654 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Institute of Internal Auditors

    EIN 421423735 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Institute of Internal Auditors

    EIN 431523797 · Headquarters: Jefferson City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Institute of Internal Auditors

    EIN 454630801 · Headquarters: Macon, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Institute of Internal Auditors

    EIN 455600709 · Headquarters: BRYAN, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Institute of Internal Auditors

    EIN 460371245 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Institute of Internal Auditors

    EIN 461387859 · Headquarters: Augusta, GA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  46. Institute of Internal Auditors

    EIN 463232727 · Headquarters: Lambertville, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Institute of Internal Auditors

    EIN 470645619 · Headquarters: Omaha, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Institute of Internal Auditors

    EIN 474199428 · Headquarters: West Fargo, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Institute of Internal Auditors

    EIN 474229568 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Institute of Internal Auditors

    EIN 480967728 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Institute of Internal Auditors

    EIN 481091677 · Headquarters: Topeka, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Institute of Internal Auditors

    EIN 510174629 · Headquarters: Portland, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Institute of Internal Auditors

    EIN 522342416 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Institute of Internal Auditors

    EIN 541150921 · Headquarters: Blacksburg, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Institute of Internal Auditors

    EIN 541344345 · Headquarters: McLean, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Institute of Internal Auditors

    EIN 570723886 · Headquarters: TAYLORS, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Institute of Internal Auditors

    EIN 570759345 · Headquarters: Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Institute of Internal Auditors

    EIN 581322809 · Headquarters: Lehigh Valley, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Institute of Internal Auditors

    EIN 581936948 · Headquarters: Columbus, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Institute of Internal Auditors

    EIN 581990376 · Headquarters: Savannah, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Institute of Internal Auditors

    EIN 591711664 · Headquarters: MADISON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Institute of Internal Auditors

    EIN 591924116 · Headquarters: Jacksonville, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Institute of Internal Auditors

    EIN 592951576 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Institute of Internal Auditors

    EIN 611074715 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Institute of Internal Auditors

    EIN 620976020 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Institute of Internal Auditors

    EIN 620976028 · Headquarters: Summerfield, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Institute of Internal Auditors

    EIN 620976511 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Institute of Internal Auditors

    EIN 630796094 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Institute of Internal Auditors

    EIN 630879388 · Headquarters: Montgomery, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Institute of Internal Auditors

    EIN 630903377 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. Institute of Internal Auditors

    EIN 650004185 · Headquarters: Fort Lauderdale, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Institute of Internal Auditors

    EIN 650100821 · Headquarters: Green Cove Springs, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Institute of Internal Auditors

    EIN 650175202 · Headquarters: Naples, FL, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. Institute of Internal Auditors

    EIN 710475864 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Institute of Internal Auditors

    EIN 710685318 · Headquarters: Bentonville, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Institute of Internal Auditors

    EIN 721132990 · Headquarters: New Orleans, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Institute of Internal Auditors

    EIN 721381959 · Headquarters: Vancleave, MS, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Institute of Internal Auditors

    EIN 736097483 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Institute of Internal Auditors

    EIN 741867964 · Headquarters: Oklahoma City, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Institute of Internal Auditors

    EIN 741867969 · Headquarters: Baton Rouge, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Institute of Internal Auditors

    EIN 741867971 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Institute of Internal Auditors

    EIN 742124853 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Institute of Internal Auditors

    EIN 742187647 · Headquarters: Denver, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Institute of Internal Auditors

    EIN 742284530 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Institute of Internal Auditors

    EIN 751511620 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. Institute of Internal Auditors

    EIN 800958978 · Headquarters: McFarland, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Institute of Internal Auditors

    EIN 820366785 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Institute of Internal Auditors

    EIN 850338744 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Institute of Internal Auditors

    EIN 860316416 · Headquarters: Vail, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Institute of Internal Auditors

    EIN 860316428 · Headquarters: CHANDLER, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Institute of Internal Auditors

    EIN 870478676 · Headquarters: DRAPER, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Institute of Internal Auditors

    EIN 880136217 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Institute of Internal Auditors

    EIN 911149275 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Institute of Internal Auditors

    EIN 911174916 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Institute of Internal Auditors

    EIN 911574380 · Headquarters: Richland, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Institute of Internal Auditors

    EIN 911870243 · Headquarters: Cantonment, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Institute of Internal Auditors

    EIN 920094776 · Headquarters: ANCHORAGE, AK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Institute of Internal Auditors

    EIN 931238579 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Institute of Internal Auditors

    EIN 942377576 · Headquarters: San Jose, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Institute of Internal Auditors

    EIN 942885075 · Headquarters: Reno, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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