| Literary Council of North America IncWorthington | Form 990 | $1,177,645FY2025 |
| John McLendon Leadership Initiative FoundationWestlake | Form 990 | $1,165,712FY2025 |
| Firelands Catholic Education Development Office IncNorwalk | Form 990 | $1,155,269FY2025 |
| Ohio Association for Career Technology Education IncColumbus | Form 990 | $1,148,480FY2025 |
| Toledo TomorrowToledo | Form 990 | $1,127,663FY2024 |
| The TurnNorth Olmsted | Form 990 | $1,115,599FY2024 |
| Project Grad AkronAkron | Form 990 | $1,113,756FY2025 |
| Dayton Masonic FoundationDayton | Form 990 | $1,097,485FY2025 |
| Milford Athletic Boosters ClubMilford | Form 990 | $1,050,716FY2025 |
| East Liverpool High School Alumni AssociationEast Liverpool | Form 990 | $1,036,002FY2024 |
| Southern Cleveland Drop Back inCleveland | Form 990 | $1,030,602FY2025 |
| Wesley Community Center IncDayton | Form 990 | $1,027,803FY2024 |
| Ashbury Community Services IncCleveland | Form 990 | $1,019,425FY2024 |
| Dublin Jerome High School Booster Club IncDublin | Form 990 | $1,017,139FY2025 |
| Padua Franciscan High School Endowment TrustParma | Form 990 | $995,294FY2025 |
| Diversity Center of Northeast Ohio IncBeachwood | Form 990 | $987,473FY2025 |
| Sea Change IncorporatedColumbus | Form 990 | $987,462FY2025 |
| West Central Learning Academy II IncLima | Form 990 | $977,230FY2025 |
| Franciscan Properties IncorporatedSylvania | Form 990 | $974,701FY2024 |
| Terra Village HoldingsFremont | Form 990 | $968,998FY2024 |
| International Business Innovation Association IncPowell | Form 990 | $967,933FY2025 |
| Ottawa Hills Schools FoundationToledo | Form 990 | $966,771FY2024 |
| Literacy Cooperative of Greater ClevelandCleveland | Form 990 | $962,885FY2025 |
| Democracy Collaborative Foundation IncCleveland | Form 990 | $957,542FY2024 |
| Olentangy Orange Athletic Boosters IncLewis Center | Form 990 | $951,192FY2025 |
| School Choice Ohio IncColumbus | Form 990 | $950,994FY2024 |
| Cleveland BuildsIndependence | Form 990 | $941,946FY2024 |
| Brethren Charity Fund IncGreenville | Form 990 | $940,784FY2025 |
| Global Education Benchmark GroupCleveland | Form 990 | $934,676FY2025 |
| Stark Education Partnership IncCanton | Form 990 | $933,517FY2025 |
| LEARN21 a Flexible Learning CollaborativeCincinnati | Form 990 | $932,936FY2025 |
| Scholarship Committee Incorporated of the Salem High School Alumni AsSalem | Form 990 | $931,708FY2024 |
| Avon Lake High School Boosters IncAvon Lake | Form 990 | $931,180FY2025 |
| The Tandana Foundation IncSpring Valley | Form 990 | $928,725FY2024 |
| Leadership AkronAkron | Form 990 | $925,814FY2025 |
| New Carlisle Library BoardNew Carlisle | Form 990 | $923,674FY2025 |
| Sandusky Education FoundationSandusky | Form 990 | $918,215FY2025 |
| National First Ladies LibraryCanton | Form 990 | $913,524FY2025 |
| Friends of Cincinnati Classical AcademyCincinnati | Form 990 | $912,189FY2025 |
| Kings Athletic Booster ClubKings Mills | Form 990 | $897,431FY2025 |
| Ross Mathematics FoundationColumbus | Form 990 | $893,742FY2024 |
| Generations Matter Early Learning CenterMadison | Form 990 | $892,650FY2025 |
| MindpeaceCincinnati | Form 990 | $883,448FY2025 |
| Advancement Leadership LabColumbus | Form 990 | $869,734FY2024 |
| Batahola Friends ofCincinnati | Form 990 | $865,936FY2024 |
| Toward the Goal Ministries IncSugarcreek | Form 990 | $845,746FY2025 |
| Makarios Autism CenterMount Gilead | Form 990 | $839,274FY2024 |
| Bluffton College FoundationBluffton | Form 990 | $836,825FY2025 |
| Life Skills Center of Columbus SoutheastColumbus | Form 990 | $826,966FY2025 |
| Honesty for Ohio EducationMedina | Form 990 | $821,959FY2024 |