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. American Chinese Sports Association

    EIN 262254191 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. American Christian Fiction Writers Inc

    EIN 931628358 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. American Civil Liberties Union of Ohio Foundation Inc

    EIN 237137105 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. American Civil Liberties Union of Ohio Inc

    EIN 340700606 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Classical League

    EIN 310555960 · Headquarters: HAMILTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. American College of Bond Counsel Inc

    EIN 351987614 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American College of Dentists

    EIN 521489499 · Headquarters: cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American College of Emergency Physicians - Ohio Chapter

    EIN 310923040 · Headquarters: DUBLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. American College of Nurse-midwives

    EIN 452758932 · Headquarters: Parma, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American College of Physicians Ohio Chapter

    EIN 341363770 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. American Community Fund

    EIN 311638002 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. American Concrete Pumping Association

    EIN 510155423 · Headquarters: LEWIS CENTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. American Council of Engineering Companies of Ohio

    EIN 310915184 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. American Council of the Blind of Ohio

    EIN 310989045 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Council of the Blind of Ohio Greater Cincinnati Chapter

    EIN 311229520 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Croatian National Soccer Club

    EIN 473979592 · Headquarters: EASTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. American Culinary Federation

    EIN 346500576 · Headquarters: MAYFIELD HTS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Culinary Federation Columbus

    EIN 311327490 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. American Czechoslovakian Club

    EIN 310887905 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Dairy Association Mideast

    EIN 310838179 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. American Dairy Association of Ohio Inc

    EIN 314361927 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Dental Assistants Association

    EIN 346532196 · Headquarters: TALLMADGE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Dental Assistants Association-Ohio Association

    EIN 237026498 · Headquarters: Munroe Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Dental Assn Succ-ta

    EIN 346507132 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  25. American Development Committee Inc

    EIN 422723069 · Headquarters: Ottawa, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Dog Show Judges Inc

    EIN 311335638 · Headquarters: MENTOR, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. American Dutch Shepherd Association

    EIN 331223850 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. American Dutch Shepherd Association Inc

    EIN 823948596 · Headquarters: North Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. American Electric Power System Educational Trust Fund

    EIN 237418083 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. American Fed of Labor & Congress of Ind Orgs - Nw Ohio Bldg & Construction Trade

    EIN 344374658 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. American Federation of Gov Employees

    EIN 310794877 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. American Federation of Government

    EIN 316034758 · Headquarters: CHILLICOTHE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. American Federation of Government 262 Agfe Council

    EIN 311327833 · Headquarters: MIAMISBURG, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Federation of Government Employees

    EIN 237060468 · Headquarters: Maineville, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  35. American Federation of Government Employees

    EIN 237196143 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. American Federation of Government Employees

    EIN 237277590 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. American Federation of Government Employees

    EIN 310583730 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. American Federation of Government Employees

    EIN 311028041 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Federation of Government Employees

    EIN 341593073 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Federation of Government Employees

    EIN 346555717 · Headquarters: Huron, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Federation of Government Employees

    EIN 453204208 · Headquarters: Garfield Hts, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Federation of Government Employees 214

    EIN 310976752 · Headquarters: Dayton, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. American Federation of Government Employees Local 2089

    EIN 346609593 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. American Federation of Government Employees Local 31

    EIN 341390540 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. American Federation of Labor & Congress of Industrial Orgs

    EIN 205700613 · Headquarters: Warrensville Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Federation of Labor & Congress of Industrial Orgs

    EIN 205778547 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Federation of Labor & Congress of Industrial Orgs

    EIN 311354538 · Headquarters: The Plains, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Federation of Labor & Congress of Industrial Orgs

    EIN 314446998 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Federation of Labor & Congress of Industrial Orgs

    EIN 316050414 · Headquarters: Portsmouth, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. American Federation of Labor & Congress of Industrial Orgs

    EIN 346556490 · Headquarters: Ashtabula, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Federation of Labor & Congress of Industrial Orgs

    EIN 346559349 · Headquarters: Bryan, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. American Federation of Labor & Congress of Industrial Orgs

    EIN 346559360 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Federation of Labor & Lima Bldg & Construction Trades

    EIN 341201131 · Headquarters: Lima, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. American Federation of Labor Ohio Afl-cio

    EIN 314425064 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. American Federation of Musicians Lu 86 242

    EIN 340417255 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. American Federation of Musicians of the Us & Canada

    EIN 340417248 · Headquarters: Warren, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. American Federation of Musicians of the Us & Canada

    EIN 340584855 · Headquarters: HUDSON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Federation of State City Ohio Local 1632 Col City Employee

    EIN 310787436 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. American Federation of State County

    EIN 510229365 · Headquarters: ROSSFORD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Federation of State County & Municipal

    EIN 030585406 · Headquarters: PAINESVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. American Federation of State County & Municipal Emp Local 265

    EIN 346555736 · Headquarters: BARBERTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. American Federation of State County & Municipal Employee

    EIN 316049550 · Headquarters: READING, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Federation of State County & Municipal Employees

    EIN 010609240 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. American Federation of State County & Municipal Employees

    EIN 020726373 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Federation of State County & Municipal Employees

    EIN 113711057 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Federation of State County & Municipal Employees

    EIN 202350392 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Federation of State County & Municipal Employees

    EIN 202350715 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Federation of State County & Municipal Employees

    EIN 202353506 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  69. American Federation of State County & Municipal Employees

    EIN 202353537 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Federation of State County & Municipal Employees

    EIN 202353617 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. American Federation of State County & Municipal Employees

    EIN 202353669 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Federation of State County & Municipal Employees

    EIN 202353699 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Federation of State County & Municipal Employees

    EIN 202353727 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Federation of State County & Municipal Employees

    EIN 202353753 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  75. American Federation of State County & Municipal Employees

    EIN 202353800 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Federation of State County & Municipal Employees

    EIN 202353818 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Federation of State County & Municipal Employees

    EIN 202353851 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Federation of State County & Municipal Employees

    EIN 202354082 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Federation of State County & Municipal Employees

    EIN 202354343 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. American Federation of State County & Municipal Employees

    EIN 202354448 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Federation of State County & Municipal Employees

    EIN 202354483 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Federation of State County & Municipal Employees

    EIN 202354517 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Federation of State County & Municipal Employees

    EIN 202354552 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Federation of State County & Municipal Employees

    EIN 202354676 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Federation of State County & Municipal Employees

    EIN 202357689 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Federation of State County & Municipal Employees

    EIN 202357722 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. American Federation of State County & Municipal Employees

    EIN 202357756 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Federation of State County & Municipal Employees

    EIN 202368477 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Federation of State County & Municipal Employees

    EIN 202368495 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Federation of State County & Municipal Employees

    EIN 202369348 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Federation of State County & Municipal Employees

    EIN 202369378 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Federation of State County & Municipal Employees

    EIN 202369401 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Federation of State County & Municipal Employees

    EIN 202369425 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Federation of State County & Municipal Employees

    EIN 202369531 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Federation of State County & Municipal Employees

    EIN 202369627 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Federation of State County & Municipal Employees

    EIN 202370487 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. American Federation of State County & Municipal Employees

    EIN 202370516 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Federation of State County & Municipal Employees

    EIN 202370537 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Federation of State County & Municipal Employees

    EIN 202370562 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Federation of State County & Municipal Employees

    EIN 202370638 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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