| Foot and Ankle Physicians of Ohio Education Foundation LLCGrove City | Form 990-EZ | $73,788FY2025 |
| Centerville Primary Village North Parent Teacher OrganizationCenterville | Form 990-EZ | $73,620FY2026 |
| Minerva Education Foundation and Alumni AssociationMinerva | Form 990 | $73,341FY2024 |
| Tyler Run Parent Teacher OrganizationPowell | Form 990-EZ | $73,247FY2025 |
| Riverfront Library AssociationSardis | Form 990-EZ | $73,141FY2025 |
| Ace Mentor Program of America IncAkron | Form 990-EZ | $73,092FY2025 |
| United Community Scholarship Foundation IncHanoverton | Form 990-EZ | $73,056FY2025 |
| Parade of the Hills Community AssociationNelsonville | Form 990-EZ | $73,042FY2025 |
| North Union Athletic Boosters IncRichwood | Form 990-EZ | $72,994FY2026 |
| North Coast USA Baseball IncChagrin Falls | Form 990-EZ | $72,858FY2025 |
| Urbanark IncCanton | Form 990-EZ | $72,734FY2026 |
| S P A C E of Portage CountyRavenna | Form 990-EZ | $72,716FY2025 |
| Minford Band BoostersMinford | Form 990-EZ | $72,546FY2025 |
| Little Miami Band BoostersMorrow | Form 990-EZ | $72,522FY2025 |
| Mogadore VFW Post 8487 Charities IncMogadore | Form 990-EZ | $72,459FY2024 |
| Nagel Middle School PTO IncorporatedCincinnati | Form 990-EZ | $72,323FY2025 |
| Charlottes Hope Foundation IncDoylestown | Form 990-EZ | $72,273FY2025 |
| Unioto Athletic Boosters IncChillicothe | Form 990-EZ | $71,831FY2024 |
| Norwood City Schools Alumni AssnCincinnati | Form 990 | $71,753FY2025 |
| Kidzs Matter Learning Center IncCincinnati | Form 990-EZ | $71,567FY2024 |
| Wright Way Foundation IncDayton | Form 990-EZ | $71,300FY2024 |
| Silent Watch Veteran Suicide AwarenessAshland | Form 990-EZ | $71,090FY2025 |
| Westfall Education FoundationWilliamsport | Form 990-EZ | $71,071FY2025 |
| Friends of Dater Montessori SchoolCincinnati | Form 990-EZ | $71,070FY2025 |
| Athens Elks Lodge 973 Per AssociationAthens | Form 990-EZ | $71,062FY2026 |
| Northwest Boosters AssociationCincinnati | Form 990-EZ | $71,047FY2024 |
| East Knox Athletic Booster CharityHoward | Form 990-EZ | $71,031FY2025 |
| New Cornerstone Group IncSouth Euclid | Form 990-EZ | $71,000FY2025 |
| Belpre Performing Arts BoostersBelpre | Form 990-EZ | $70,987FY2024 |
| Innovation Ohio Education FundColumbus | Form 990-EZ | $70,835FY2025 |
| Riverside Band BoostersPainesville | Form 990-EZ | $70,808FY2025 |
| C J Francis III FoundationDayton | Form 990 | $70,704FY2025 |
| Orange School Boosters Club IncPepper Pike | Form 990-EZ | $70,679FY2025 |
| Kyle Brown Memorial Foundation IncCanfield | Form 990-EZ | $70,672FY2024 |
| Mathews Athletic Boosters Club IncVienna | Form 990-EZ | $69,971FY2026 |
| Miamisburg Visual Ensemble Booster AssociationMiamisburg | Form 990-EZ | $69,729FY2023 |
| Miami Trace Athletic Booster ClubWashington Court House | Form 990-EZ | $69,676FY2026 |
| Instructional Technology Integration Partnership of Ohio inDayton | Form 990-EZ | $69,670FY2025 |
| Appointed Harvesters MissionsApple Creek | Form 990-EZ | $69,657FY2025 |
| Lake Elementary PTOHartville | Form 990-EZ | $69,628FY2025 |
| Southeastern Athletic Boosters IncChillicothe | Form 990-EZ | $69,454FY2024 |
| Friends of the Worthington Public LibraryWorthington | Form 990 | $69,373FY2025 |
| Dolly Partons Imagination Library -Hardin CountyKenton | Form 990-EZ | $69,319FY2025 |
| Makerspace CentralCanton | Form 990-EZ | $69,267FY2025 |
| Barnesville Boosters ClubBarnesville | Form 990-EZ | $69,244FY2025 |
| Upper Arlington Girls LacrosseColumbus | Form 990-EZ | $69,191FY2025 |
| Kollel Mechanchim Zichron MeirCincinnati | Form 990-EZ | $69,157FY2025 |
| Bellevue Redmen Athletic Boosters IncBellevue | Form 990 | $68,945FY2025 |
| Strive ToledoHolland | Form 990-EZ | $68,919FY2024 |
| Big Walnut Intermediate School PTOSunbury | Form 990-EZ | $68,896FY2025 |