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. Ohio State University

    EIN 364804339 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Ohio State University

    EIN 364806989 · Headquarters: Wauseon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Ohio State University

    EIN 364809045 · Headquarters: Ravenna, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Ohio State University

    EIN 364809577 · Headquarters: Jefferson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Ohio State University

    EIN 364830758 · Headquarters: georgetown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Ohio State University

    EIN 364835336 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Ohio State University

    EIN 364854492 · Headquarters: South Amherst, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ohio State University

    EIN 371668124 · Headquarters: Sardis, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Ohio State University

    EIN 371760052 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Ohio State University

    EIN 371803972 · Headquarters: PAINESVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  11. Ohio State University

    EIN 371820888 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Ohio State University

    EIN 384024954 · Headquarters: Dover, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Ohio State University

    EIN 384025808 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Ohio State University

    EIN 394850762 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Ohio State University

    EIN 412415860 · Headquarters: Roseville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Ohio State University

    EIN 412439896 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Ohio State University

    EIN 412500308 · Headquarters: Circleville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Ohio State University

    EIN 412543309 · Headquarters: Steubenville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Ohio State University

    EIN 412552846 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Ohio State University

    EIN 412563137 · Headquarters: Logan, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Ohio State University

    EIN 412570591 · Headquarters: Steubenville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Ohio State University

    EIN 412735052 · Headquarters: Circleville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Ohio State University

    EIN 412794110 · Headquarters: Piketon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Ohio State University

    EIN 412931992 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Ohio State University

    EIN 412952858 · Headquarters: Paulding, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Ohio State University

    EIN 412998983 · Headquarters: Louisville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Ohio State University

    EIN 413126472 · Headquarters: Paulding, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Ohio State University

    EIN 413454254 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Ohio State University

    EIN 413597526 · Headquarters: Logan, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Ohio State University

    EIN 452734669 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Ohio State University

    EIN 464837944 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Ohio State University

    EIN 465073391 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. Ohio State University

    EIN 465099649 · Headquarters: MOUNT VERNON, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Ohio State University

    EIN 472208748 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  35. Ohio State University

    EIN 472252421 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  36. Ohio State University

    EIN 472637479 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Ohio State University

    EIN 472971824 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Ohio State University

    EIN 510662517 · Headquarters: Waynesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Ohio State University

    EIN 562341920 · Headquarters: Gibsonburg, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  40. Ohio State University

    EIN 571234081 · Headquarters: ASHLAND, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  41. Ohio State University

    EIN 611410103 · Headquarters: Piketon, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  42. Ohio State University

    EIN 611594624 · Headquarters: Kensington, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  43. Ohio State University

    EIN 611671217 · Headquarters: ASHLAND, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  44. Ohio State University

    EIN 611678473 · Headquarters: Painesville, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  45. Ohio State University

    EIN 611802232 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Ohio State University

    EIN 611808604 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. Ohio State University

    EIN 811628893 · Headquarters: Brookville, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. Ohio State University

    EIN 814476011 · Headquarters: Millersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Ohio State University

    EIN 814859302 · Headquarters: Steubenville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Ohio State University

    EIN 814956943 · Headquarters: Steubenville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Ohio State University

    EIN 815181667 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Ohio State University

    EIN 815195642 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  53. Ohio State University

    EIN 815211413 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Ohio State University

    EIN 815230681 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Ohio State University

    EIN 815281230 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Ohio State University

    EIN 815289479 · Headquarters: Port Washington, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ohio State University

    EIN 815298529 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  58. Ohio State University

    EIN 815299126 · Headquarters: Millersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Ohio State University

    EIN 815302867 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ohio State University

    EIN 815306509 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Ohio State University

    EIN 815310806 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Ohio State University

    EIN 815313543 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Ohio State University

    EIN 815334910 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Ohio State University

    EIN 815337792 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Ohio State University

    EIN 815339449 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Ohio State University

    EIN 815340742 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Ohio State University

    EIN 815355724 · Headquarters: Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Ohio State University

    EIN 815364000 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Ohio State University

    EIN 815440991 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Ohio State University

    EIN 815450181 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Ohio State University

    EIN 815474278 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Ohio State University

    EIN 820591326 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Ohio State University

    EIN 820637000 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Ohio State University

    EIN 820644885 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Ohio State University

    EIN 820648944 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Ohio State University

    EIN 820654728 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ohio State University

    EIN 820689309 · Headquarters: Washington Court House, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Ohio State University

    EIN 820719036 · Headquarters: McArthur, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Ohio State University

    EIN 820723297 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ohio State University

    EIN 820749213 · Headquarters: Port Washington, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ohio State University

    EIN 820749804 · Headquarters: Sugarcreek, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Ohio State University

    EIN 820788931 · Headquarters: Chandlersville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Ohio State University

    EIN 820795295 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Ohio State University

    EIN 820800918 · Headquarters: Gallipolis, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Ohio State University

    EIN 820831038 · Headquarters: Dover, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ohio State University

    EIN 820872347 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  87. Ohio State University

    EIN 820883204 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  88. Ohio State University

    EIN 820884532 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  89. Ohio State University

    EIN 820922370 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Ohio State University

    EIN 820939608 · Headquarters: Zaleski, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Ohio State University

    EIN 820961448 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. Ohio State University

    EIN 820965965 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  93. Ohio State University

    EIN 820982736 · Headquarters: Mount Gilead, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  94. Ohio State University

    EIN 821003112 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Ohio State University

    EIN 821005418 · Headquarters: Millersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  96. Ohio State University

    EIN 821040835 · Headquarters: Medina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Ohio State University

    EIN 821085122 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Ohio State University

    EIN 821090635 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Ohio State University

    EIN 821119098 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Ohio State University

    EIN 821119210 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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