Unknown & Unclassified nonprofits in Ohio

Unknown & Unclassified nonprofits in Ohio. Browse 26,579 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 821332675 · Headquarters: Millersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. Ohio State University

    EIN 821338565 · Headquarters: Oak Harbor, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Ohio State University

    EIN 821363878 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Ohio State University

    EIN 821363986 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Ohio State University

    EIN 821381140 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Ohio State University

    EIN 821401507 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Ohio State University

    EIN 821413536 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Ohio State University

    EIN 821420245 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Ohio State University

    EIN 821428892 · Headquarters: Sugarcreek, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Ohio State University

    EIN 821433136 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  11. Ohio State University

    EIN 821453844 · Headquarters: McConnelsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Ohio State University

    EIN 821465941 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Ohio State University

    EIN 821469570 · Headquarters: Oak Harbor, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Ohio State University

    EIN 821469944 · Headquarters: Oak Harbor, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Ohio State University

    EIN 821470732 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Ohio State University

    EIN 821494319 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Ohio State University

    EIN 821502939 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Ohio State University

    EIN 821508820 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  19. Ohio State University

    EIN 821512583 · Headquarters: Kenton, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  20. Ohio State University

    EIN 821516353 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Ohio State University

    EIN 821525612 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Ohio State University

    EIN 821528905 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Ohio State University

    EIN 821530511 · Headquarters: Malta, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. Ohio State University

    EIN 821536448 · Headquarters: Doylestown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Ohio State University

    EIN 821537358 · Headquarters: Piketon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Ohio State University

    EIN 821541826 · Headquarters: Piketon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Ohio State University

    EIN 821565546 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Ohio State University

    EIN 821572741 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. Ohio State University

    EIN 821584985 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Ohio State University

    EIN 821608823 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Ohio State University

    EIN 821608996 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Ohio State University

    EIN 821618113 · Headquarters: Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Ohio State University

    EIN 821628632 · Headquarters: Kenton, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. Ohio State University

    EIN 821643022 · Headquarters: Upper Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Ohio State University

    EIN 821656991 · Headquarters: Ironton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ohio State University

    EIN 822237892 · Headquarters: Piketon, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. Ohio State University

    EIN 862436441 · Headquarters: Troy, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Ohio State University

    EIN 873385096 · Headquarters: Marion, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Ohio State University

    EIN 874166315 · Headquarters: West Union, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Ohio State University

    EIN 874568244 · Headquarters: West Union, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Ohio State University

    EIN 874766546 · Headquarters: MOUNT VERNON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Ohio State University

    EIN 882814039 · Headquarters: Troy, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Ohio State University

    EIN 883303309 · Headquarters: Portsmouth, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Ohio State University

    EIN 920705912 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Ohio State University

    EIN 921090206 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Ohio State University

    EIN 921729852 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Ohio State University

    EIN 922139831 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Ohio State University

    EIN 922198840 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Ohio State University

    EIN 923564327 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Ohio State University

    EIN 931492310 · Headquarters: New Lexington, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Ohio State University

    EIN 933445562 · Headquarters: Fremont, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Ohio State University

    EIN 933486945 · Headquarters: Fremont, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Ohio State University

    EIN 933594827 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Ohio State University

    EIN 933619092 · Headquarters: Louisville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Ohio State University

    EIN 933739863 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Ohio State University

    EIN 933781324 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ohio State University

    EIN 933853632 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Ohio State University

    EIN 934156167 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Ohio State University

    EIN 934307070 · Headquarters: Hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ohio State University

    EIN 934400262 · Headquarters: Saint Clairsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Ohio State University

    EIN 934400424 · Headquarters: Saint Clairsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Ohio State University

    EIN 934401875 · Headquarters: Saint Clairsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Ohio State University

    EIN 934413966 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Ohio State University

    EIN 934414348 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Ohio State University

    EIN 934429782 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Ohio State University

    EIN 934431825 · Headquarters: Jackson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Ohio State University

    EIN 934432009 · Headquarters: Jackson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Ohio State University

    EIN 934675402 · Headquarters: Bryan, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Ohio State University

    EIN 934720689 · Headquarters: Wauseon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Ohio State University

    EIN 990485833 · Headquarters: Wauseon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Ohio State University

    EIN 990767933 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Ohio State University

    EIN 990831123 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Ohio State University

    EIN 990846973 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Ohio State University

    EIN 990865550 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Ohio State University

    EIN 990886016 · Headquarters: Mount Gilead, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Ohio State University

    EIN 990927780 · Headquarters: Fremont, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ohio State University

    EIN 990993629 · Headquarters: Norton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Ohio State University

    EIN 991050803 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Ohio State University

    EIN 991056912 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Ohio State University

    EIN 991057018 · Headquarters: Painesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ohio State University

    EIN 991059017 · Headquarters: MANSFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Ohio State University

    EIN 991090665 · Headquarters: Owensville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Ohio State University

    EIN 991120729 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ohio State University

    EIN 991143488 · Headquarters: Portsmouth, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Ohio State University

    EIN 991147954 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ohio State University

    EIN 991193650 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Ohio State University

    EIN 991281687 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Ohio State University

    EIN 991364669 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Ohio State University

    EIN 991405279 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Ohio State University

    EIN 991409237 · Headquarters: Owensville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Ohio State University

    EIN 991487466 · Headquarters: Fremont, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Ohio State University

    EIN 991501756 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Ohio State University

    EIN 991525155 · Headquarters: Hinckley, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Ohio State University

    EIN 991626074 · Headquarters: New Plymouth, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Ohio State University

    EIN 991719520 · Headquarters: Fremont, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Ohio State University

    EIN 991805941 · Headquarters: Langsville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Ohio State University

    EIN 991806734 · Headquarters: Ravenna, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Ohio State University

    EIN 991858654 · Headquarters: Mount Gilead, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Ohio State University

    EIN 991863836 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Ohio State University

    EIN 991867979 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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