| Sons and Daughters of Herman Benevolent Fund IncMassillon | Form 990 | $612,340FY2024 |
| Progress with Chess IncCleveland | Form 990 | $609,484FY2024 |
| Beavercreek Music Parents Assoc IncDayton | Form 990 | $607,076FY2025 |
| Christian School Management AssociationSpring Valley | Form 990 | $600,641FY2025 |
| Troy Christian Athletic BoostersTroy | Form 990 | $598,914FY2024 |
| Cleveland Public Library FoundationCleveland | Form 990 | $594,272FY2024 |
| Peninsula Library & Historical SocietyPeninsula | Form 990 | $594,209FY2025 |
| Wesley Child Care CenterCincinnati | Form 990 | $580,557FY2024 |
| Early Care and Learning IncColumbus | Form 990 | $573,137FY2025 |
| Olmsted Falls Athletic Boosters AssociationOlmsted Township | Form 990 | $567,137FY2025 |
| Midwest Implant Institute IncLewis Center | Form 990 | $565,053FY2024 |
| Partnership for Innovation in EducationCincinnati | Form 990 | $558,464FY2025 |
| Beex FoundationCincinnati | Form 990 | $558,067FY2024 |
| Berea-Midpark High School Athletic BoostersBerea | Form 990 | $556,920FY2024 |
| America MentorsColumbus | Form 990 | $555,000FY2024 |
| Indian Hill FoundationCincinnati | Form 990 | $551,088FY2025 |
| The Musical Theater ProjectMiddleburg Heights | Form 990 | $539,587FY2025 |
| Olentangy Music Boosters AssociationLewis Center | Form 990 | $537,094FY2025 |
| Marriage for Life IncCaledonia | Form 990 | $535,669FY2025 |
| The Academy for Kids Early Learning Center IncChillicothe | None required | $531,892FY2007 |
| Infinity Giving Works IncCincinnati | Form 990 | $529,187FY2024 |
| Ohio School Resource Officers Association IncDublin | Form 990 | $529,112FY2025 |
| National Association of College Auxiliary Services Education FNDTNAshland | Form 990 | $528,631FY2025 |
| Lutheran Scholarship Granting Organization of Ohio IncRocky River | None required | $519,660FY2023 |
| Mortar Board IncColumbus | Form 990 | $518,676FY2024 |
| John H and Evelyn L Ashton Preservation Association IncCarrollton | Form 990 | $516,992FY2024 |
| Hilliard Music BoostersHilliard | Form 990 | $515,022FY2025 |
| Laborers Local 500 Training and Education TR FundToledo | Form 990 | $505,299FY2024 |
| Madison Boosters ClubMansfield | Form 990 | $504,552FY2025 |
| Young Entrepreneurs OrganizationHighland Heights | Form 990 | $503,963FY2025 |
| Youth Success SummitAkron | Form 990 | $499,006FY2025 |
| Three Rivers Athletic Boosters IncCleves | Form 990 | $498,269FY2025 |
| Granville Athletic BoostersGranville | Form 990 | $497,761FY2025 |
| Jackson Diamond Club IncCanton | Form 990 | $497,514FY2024 |
| Chardon High School Athletic Boosters Association IncChardon | Form 990 | $496,706FY2024 |
| Lakewood Rangers Education FoundationLakewood | Form 990 | $496,642FY2025 |
| Lebanon High School Athletic Boosters AssociationLebanon | Form 990 | $494,701FY2026 |
| Greater Cincinnati Native American CoalitionCincinnati | Form 990 | $493,888FY2025 |
| Josette Beddell Memorial FoundationCanton | Form 990 | $492,320FY2024 |
| Heights Schools FoundationUniversity Heights | Form 990 | $490,183FY2025 |
| Monarch Athletic AssociationMarysville | Form 990 | $488,664FY2026 |
| Ohio Restaurant Association Education Foundation IncColumbus | Form 990 | $486,844FY2024 |
| Pickerington High School North Athletic BoostersPickerington | Form 990 | $484,737FY2024 |
| Bowling Green State University Alumni AssociationBowling Green | Form 990 | $484,547FY2025 |
| Lake High Booster Club IncHartville | Form 990 | $483,466FY2025 |
| Ohio Assoc of Administrators ofBlacklick | Form 990 | $480,987FY2025 |
| Folds of Honor FoundationToledo | Form 990 | $478,327FY2024 |
| American Association of Bovine Practitioners Foundation IncAshland | Form 990 | $477,911FY2024 |
| Career Apprenticeship and Mentorship Program IncCanton | Form 990 | $477,670FY2024 |
| Wyoming Before and After School CareWyoming | Form 990 | $472,297FY2025 |