| Filipino American Foundation of OhioAmherst | Form 990-N | No figure |
| Tussing Elementary Team PTOReynoldsburg | Form 990-N | No figure |
| Winton Woods Educational Foundation IncCincinnati | Form 990-N | No figure |
| Groveport Madison Alumni AssocGroveport | Form 990-N | No figure |
| International Society for the Science of Existential PsychologyLakewood | Form 990-N | No figure |
| Dr Memory Visual LearningGallipolis | Form 990-N | No figure |
| Parent Booster USA IncFrankfort | Form 990-EZ | $15,359FY2025 |
| Ohio Success Connection IncMacedonia | Form 990-N | No figure |
| Wilmington Elementary Schools Parent Teacher OrganizationWilmington | Form 990-N | No figure |
| Adriane Schmackers Foundation IncMaria Stein | Form 990-N | No figure |
| North Olmsted High School Athletic Hall of Fame OrganizationRoaming Shores | Form 990-N | No figure |
| Olentangy Hyatts Middle School Parent Teacher OrganizationPowell | Form 990-N | No figure |
| Fairfield East Elementary PTCFairfield Township | Form 990-N | No figure |
| Mineral Ridge Band Boosters IncMineral Ridge | Form 990-N | No figure |
| Creative Education Institute IncSolon | Form 990-N | No figure |
| Glenwood PTOFindlay | Form 990-N | No figure |
| Marion County Athletic Boosters Association TrustMarion | Form 990-EZ | $13,341FY2025 |
| Rock Solid Academy Boosters IncDublin | Form 990-N | No figure |
| National Black Mba Association Cleveland ChapterBeachwood | Form 990-N | No figure |
| Parent Booster USA IncChardon | Form 990-EZ | $12,898FY2025 |
| Grant Elementary Parent Teacher OrganizationWilloughby | Form 990-EZ | $12,725FY2025 |
| Avance Latinx Academico SocietyTallmadge | Form 990-N | No figure |
| Hyer Merit AssociationGirard | Form 990-N | No figure |
| American Association of Family and Consumer SciencesColumbus | Form 990-N | No figure |
| Youth Athletic Facilities Booster Club IncMassillon | Form 990-N | No figure |
| Project EarDublin | Form 990-N | No figure |
| Liberty Union Thurston Athletic Boosters ClubBaltimore | Form 990-EZ | $12,215FY2026 |
| Ohio Association of International Baccalaureate World SchoolsColumbus | Form 990-N | No figure |
| Creekview Intermediate School Parent Teacher OrganizationMarysville | Form 990-N | No figure |
| Minerva Booster ClubMinerva | Form 990-EZ | $12,061FY2024 |
| Alpha Xi Lambda Scholarship FoundationToledo | Form 990-N | No figure |
| Bucyrus Elementary School Parent Teacher OrganizationBucyrus | Form 990-N | No figure |
| Friends of Aurora Memorial LibraryAurora | Form 990-N | No figure |
| Kilgour FoundationCincinnati | Form 990-N | No figure |
| Unioto Elementary PTO IncChillicothe | Form 990-N | No figure |
| Princeton Education Foundation IncSharonville | Form 990-EZ | $10,875FY2024 |
| Maplewood Running RocketsCortland | Form 990-EZ | $10,822FY2025 |
| Glen Oak Parent Teacher Organization IncLewis Center | Form 990-EZ | $10,805FY2025 |
| Runners Believe Ryan Johnson Memorial 5K IncorporatedSalem | Form 990-N | No figure |
| Lucasville Valley Elementary School PTOLucasville | Form 990-EZ | $10,555FY2025 |
| Friends of Keystone Lagrange Public LibraryLagrange | Form 990-N | No figure |
| Ayersville Education FoundationDefiance | Form 990-N | No figure |
| Oakmont Academic KnowledgeAkron | Form 990-N | No figure |
| Good Hood FoundationDayton | Form 990-N | No figure |
| Megan Keleman Memorial Scholarship FundStow | Form 990-N | No figure |
| Friends of Portage Collaborative Montessori SchoolCanton | Form 990-N | No figure |
| Richard and Donna Kortokrax Scholarship FundColumbus Grove | Form 990-N | No figure |
| Beyond Education CollaborativeCincinnati | Form 990-N | No figure |
| Pickerington High School Central PTOPickerington | Form 990-N | No figure |
| Woodmore Band BoostersElmore | Form 990-EZ | $9,361FY2025 |