Nonprofits in Ohio

Nonprofits in Ohio. Browse 89,326 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 Alumni Association Inc

    EIN 341611129 · Headquarters: Martins Ferry, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Ohio State University Alumni Association Inc

    EIN 341640775 · Headquarters: MONROEVILLE, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Ohio State University Alumni Association Inc

    EIN 341694846 · Headquarters: Toledo, OH, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. Ohio State University Alumni Association Inc

    EIN 341772410 · Headquarters: zanesfield, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Ohio State University Alumni Association Inc

    EIN 341829069 · Headquarters: Uhrichsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Ohio State University Alumni Association Inc

    EIN 341846128 · Headquarters: lima, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  7. Ohio State University Alumni Association Inc

    EIN 341846152 · Headquarters: BUCYRUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ohio State University Alumni Association Inc

    EIN 341846219 · Headquarters: Akron, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. Ohio State University Alumni Association Inc

    EIN 341846220 · Headquarters: Warren, OH, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  10. Ohio State University Alumni Association Inc

    EIN 341846221 · Headquarters: Van Vert, OH, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Ohio State University Alumni Association Inc

    EIN 453339486 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Ohio State University Alumni Association Inc

    EIN 465412930 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Ohio State University Alumni Association Inc

    EIN 521219353 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  14. Ohio State University Alumni Association Inc

    EIN 522370724 · Headquarters: Winchester, OH, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  15. Ohio State University Alumni Association Inc

    EIN 611723665 · Headquarters: Columbus, OH, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  16. Ohio State University Alumni Association Inc

    EIN 753168722 · Headquarters: Lancaster, OH, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  17. Ohio State University Alumni Association Inc

    EIN 800484264 · Headquarters: WSHNGTN CT HS, OH, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Ohio State University Alumni Association Inc

    EIN 800779420 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  19. Ohio State University Alumni Association Inc

    EIN 810599022 · Headquarters: COLUMBUS, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Ohio State University Alumni Association Inc

    EIN 813930057 · Headquarters: Dublin, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Ohio State University Alumni Association Inc

    EIN 814528313 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  22. Ohio State University Alumni Association Inc

    EIN 821486223 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Ohio State University Alumni Association Inc

    EIN 824555971 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Ohio State University Alumni Association Inc

    EIN 911825158 · Headquarters: Perrysburg, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Ohio State University Alumni Association Inc

    EIN 912092342 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  26. Ohio State University Alumni Association Inc

    EIN 912106993 · Headquarters: Reynoldsburg, OH, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  27. Ohio State University Alumni Club of Ashland Co

    EIN 833749174 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Ohio State University Alumni Club of Champaign County

    EIN 392762527 · Headquarters: Urbana, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Ohio State University Alumni Club of Fairfield County

    EIN 842786521 · Headquarters: LANCASTER, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Ohio State University Alumni Club of Green County

    EIN 311227190 · Headquarters: Beavercreek, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Ohio State University Alumni Club of Richland County

    EIN 341811345 · Headquarters: MANSFIELD, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Ohio State University Alumni Club of Wood County

    EIN 921002644 · Headquarters: Perrysburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Ohio State University Atmospheric Sciences Alumni Societ

    EIN 882439600 · Headquarters: Columbus, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Ohio State University Chapter of American Assn of Univ Professors

    EIN 311410660 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Ohio State University College of Pharmacy-pharmacy Council

    EIN 471045636 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ohio State University Extension Seneca County Master Gardener Asso

    EIN 264405559 · Headquarters: Tiffin, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Ohio State University Fraternity and Sorority Foundation

    EIN 311192515 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  38. Ohio State University Happy Hoppers 4-H Club of Ashtabul

    EIN 933509875 · Headquarters: Rome, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Ohio State University Livestock Legacy 4-H Club of Wayne

    EIN 991435689 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Ohio State University Medical Center Service Board

    EIN 311166607 · Headquarters: Columbus, OH, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Ohio State University Moritz College of Law Student Bar Associa

    EIN 843697417 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Ohio State University Nurses Organization

    EIN 311437171 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Ohio State University Physicians

    EIN 311447726 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Ohio State University Research Foundation

    EIN 316401599 · Headquarters: Columbus, OH, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990

  45. Ohio State University Retirees Association

    EIN 813554036 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Ohio State University The

    EIN 873188253 · Headquarters: Oak Harbor, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Ohio State University The

    EIN 874062968 · Headquarters: Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Ohio State University The

    EIN 881123072 · Headquarters: Conneaut, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Ohio State University The

    EIN 884146673 · Headquarters: Pomeroy, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Ohio State University The

    EIN 884238964 · Headquarters: Wauseon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Ohio State University The

    EIN 884386149 · Headquarters: Gallipolis, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Ohio State University The

    EIN 921289586 · Headquarters: Xenia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Ohio State University The

    EIN 922348477 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Ohio State University The

    EIN 922361458 · Headquarters: Hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Ohio State University The

    EIN 922816436 · Headquarters: Enon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Ohio State University The

    EIN 923061145 · Headquarters: Malaga, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ohio State University The

    EIN 923090794 · Headquarters: New Carlisle, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Ohio State University The

    EIN 923177040 · Headquarters: Lewisville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Ohio State University The

    EIN 923479506 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ohio State University The

    EIN 923711993 · Headquarters: Senecaville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Ohio State University Varsity 0 Alumni Society

    EIN 811502369 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  62. Ohio State University Young Scholar Program Alumni Society

    EIN 471867310 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  63. Ohio State Universtiy

    EIN 821391301 · Headquarters: Chesterhill, OH, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Ohio State Universtiy Alumni

    EIN 911824688 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  65. Ohio State Varsity O Womans Alumnae Society

    EIN 311414662 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  66. Ohio State Water Ski Team

    EIN 510495411 · Headquarters: Columbus, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Ohio Staters Incorporated

    EIN 311221958 · Headquarters: Columbus, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Ohio Statewide Development Corp

    EIN 311088697 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Ohio Stealth Baseball Club

    EIN 300998965 · Headquarters: Powell, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Ohio Stealth Fastpitch Softball Club

    EIN 833917482 · Headquarters: Powell, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Ohio Steel Contractors Association

    EIN 822187570 · Headquarters: DELAWARE, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Ohio Steel Council

    EIN 452663084 · Headquarters: MARION, OH, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  73. Ohio Steel Stingers

    EIN 320753238 · Headquarters: Oxford, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Ohio Stem Education Outreach Foundation

    EIN 853713390 · Headquarters: BEAVERCREEK, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Ohio Sterile Processing Association

    EIN 272759586 · Headquarters: Napoleon, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. Ohio Sting Baseball

    EIN 872344842 · Headquarters: PATASKALA, OH, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. Ohio Stingrays

    EIN 202890599 · Headquarters: PICKERINGTON, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Ohio Stream Preservation Inc C/o Jeff Filarski

    EIN 341909500 · Headquarters: OAKWOOD VILLAGE, OH, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Ohio Strikers Soccer Academy

    EIN 883839094 · Headquarters: Wooster, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Ohio Structural Steel and Architectural Metals Association

    EIN 311551916 · Headquarters: WORTHINGTON, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Ohio Student Activist Network

    EIN 923814977 · Headquarters: Hilliard, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Ohio Student Ministry

    EIN 923092889 · Headquarters: FAIRFIELD, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Ohio Suicide Prevention Foundation

    EIN 203476310 · Headquarters: Columbus, OH, USA · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

  84. Ohio Swarm

    EIN 474731914 · Headquarters: Delaware, OH, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Ohio Swimming Inc

    EIN 311016588 · Headquarters: OXFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Ohio Swiss Cheese Association Inc

    EIN 340658772 · Headquarters: SUGARCREEK, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  87. Ohio Swiss Festival Inc

    EIN 237109809 · Headquarters: Sugarcreek, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Ohio Sword Sport Development Association Inc

    EIN 311589759 · Headquarters: Worthington, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Ohio Synchro Swim Club

    EIN 251926977 · Headquarters: HILLIARD, OH, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Ohio Synchronized Swimming Association

    EIN 833397887 · Headquarters: Miamisburg, OH, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  91. Ohio Syrian American Medical Society Foundation

    EIN 452350236 · Headquarters: Westlake, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. Ohio Tactical Officers Association

    EIN 813771220 · Headquarters: CLEVELAND, OH, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Ohio Tactical Officers Association Inc

    EIN 311201128 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Ohio Taekwondo Association

    EIN 332017913 · Headquarters: Columbus, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Ohio Task Force Commanders Association

    EIN 030518580 · Headquarters: XENIA, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Ohio Tattoo Academy

    EIN 993206083 · Headquarters: Powell, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Ohio Taxpayers Association

    EIN 811208106 · Headquarters: Mount Vernon, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  98. Ohio Teachers of English to Speakers of Other Languages

    EIN 310920941 · Headquarters: CANAL WINCHESTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Ohio Teaching Family Association

    EIN 341437946 · Headquarters: SWANTON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Ohio Teamsters Apprenticeship and Journeyman Training Fund

    EIN 721580377 · Headquarters: TOLEDO, OH, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990

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