| Retiree Housing of St Louis IncLyndhurst | Form 990 | $403,251FY2025 |
| Lorain County Historical Society IncElyria | Form 990 | $402,237FY2025 |
| Versailles Heritage Park FundVersailles | Form 990 | $401,415FY2025 |
| Raptor IncMilford | Form 990 | $399,884FY2024 |
| Friends of the Museums IncMarietta | Form 990 | $399,270FY2025 |
| Interstitial Cystitis Association of AmericaAkron | Form 990 | $399,060FY2025 |
| National Church Residences ofColumbus | Form 990 | $398,205FY2025 |
| Jewish Learning Connection IncCleveland | Form 990 | $397,925FY2023 |
| National Church ResidencesColumbus | Form 990 | $397,184FY2026 |
| Kenmore Neighborhood AllianceAkron | Form 990 | $395,946FY2024 |
| Miami Valley Warhawks Baseball ClubDayton | Form 990 | $395,783FY2024 |
| International College of Integrative Medicine IncBluffton | Form 990 | $394,784FY2025 |
| Friends of Fellows Riverside Gardens IncYoungstown | Form 990 | $394,448FY2025 |
| Pilgrim Partners IncToledo | Form 990 | $393,629FY2025 |
| Paralyzed Veterans of America- Buckeye Chapter IncWickliffe | Form 990 | $393,268FY2025 |
| National Church Residences ofColumbus | Form 990 | $392,953FY2025 |
| Darke County Historical Society IncGreenville | Form 990 | $392,561FY2024 |
| National Church ResidencesColumbus | Form 990 | $391,880FY2025 |
| Mogadore Athletic Boosters AssociationMogadore | Form 990 | $391,715FY2024 |
| St Joseph FoundationHopedale | Form 990 | $391,287FY2024 |
| National Church Residences ofColumbus | Form 990 | $390,580FY2025 |
| National Church Residences Worthington East CourtColumbus | Form 990 | $389,733FY2025 |
| Maineville Elderly IncColumbus | Form 990 | $388,608FY2023 |
| Central Ohio Association of Christian BroadcastersMarion | Form 990 | $388,444FY2025 |
| Council on Child Abuse of Southern Ohio IncCincinnati | Form 990 | $386,544FY2025 |
| Powell United Methodist PreschoolPowell | None required | $385,422FY2025 |
| St Francis FoundationCleveland | Form 990 | $385,298FY2025 |
| National Catholic College Admission AssociationNew Albany | Form 990 | $385,185FY2025 |
| New Bremen Emergency SquadNew Bremen | Form 990 | $384,992FY2024 |
| Jacket Boosters IncMount Vernon | Form 990 | $384,355FY2026 |
| Old Washington Community Volunteer Fire CompanyOld Washington | Form 990 | $383,584FY2025 |
| Pro Flat Track Ama Rookie Class of 79 and Friends FundWarren | Form 990 | $381,706FY2024 |
| First Richland-Morrow Housing Inc IIGahanna | Form 990 | $381,420FY2024 |
| Greater East Canton CommunityEast Canton | Form 990 | $380,463FY2024 |
| O C C H A IncYoungstown | Form 990 | $380,367FY2024 |
| Delaware Athletic Boosters IncDelaware | Form 990 | $380,351FY2025 |
| Swiss Community Historical SocietyBluffton | Form 990 | $378,979FY2025 |
| National Church Residences ofColumbus | Form 990 | $377,378FY2025 |
| Treemendus MinistriesSouth Lebanon | Form 990 | $376,677FY2026 |
| Pregnancy Resource Center of Athens CountyAthens | Form 990 | $375,984FY2024 |
| Masfaa Midwest Association of Student Weston HurdColumbus | Form 990 | $375,938FY2025 |
| Mentor Electrical JatcMentor | Form 990 | $375,711FY2024 |
| Central Ohio Living Free IncCircleville | Form 990 | $375,053FY2024 |
| National Church Residences ofColumbus | Form 990 | $373,925FY2025 |
| Entrepreneurship InstituteColumbus | Form 990 | $373,885FY2024 |
| Knox Pregnancy Services IncorporatedMount Vernon | Form 990 | $373,705FY2025 |
| Medina Soccer Assoc theMedina | Form 990 | $373,625FY2024 |
| National Church Residences ofColumbus | Form 990 | $372,904FY2025 |
| Kayser Broadcast MinistriesUpper Sandusky | Form 990 | $372,782FY2025 |
| Barnesville Area Education FoundationBarnesville | Form 990 | $371,358FY2026 |