| Wood County Historical SocietyBowling Green | Form 990 | $486,216FY2024 |
| National Church Residences ofColumbus | Form 990 | $486,165FY2025 |
| St Francis-St Joseph Catholic Worker HouseCincinnati | Form 990 | $483,600FY2025 |
| United Church Residences of Covington Tennessee IncMarion | Form 990 | $483,588FY2024 |
| Ohio Community Corrections AssociationColumbus | Form 990 | $482,248FY2025 |
| Toledo Celtics Soccer Club IncMaumee | Form 990 | $482,132FY2025 |
| N B C-U S A of New York One Housing Development Fund CorporationColumbus | Form 990 | $481,686FY2024 |
| Canal Winchester Human Services CorporationCanal Winchester | Form 990 | $481,435FY2025 |
| NCR of Whitehall Housing Development Fund Co IncColumbus | Form 990 | $477,576FY2025 |
| Anderson Athletic Booster ClubCincinnati | Form 990 | $477,530FY2025 |
| Sandusky County Economic DevelopmentFremont | Form 990 | $477,458FY2025 |
| National Society of the Daughters of the American RevolutionWaynesville | Form 990 | $477,142FY2026 |
| NCR of Queensbury Housing Development Fund CoColumbus | Form 990 | $476,745FY2025 |
| National Church Residences ofColumbus | Form 990 | $476,496FY2025 |
| National Church ResidencesColumbus | Form 990 | $476,076FY2025 |
| Allen County Historical SocietyLima | Form 990 | $474,149FY2025 |
| National Church Residences ofColumbus | Form 990 | $473,970FY2025 |
| National Church Residences of Sterling Heights II MI IncColumbus | Form 990 | $473,509FY2025 |
| Helburn Meadows Gardens Obgc II IncColumbus | Form 990 | $471,703FY2024 |
| Professional Flair IncCleveland | Form 990 | $470,793FY2025 |
| National Church ResidencesColumbus | Form 990 | $467,171FY2025 |
| National Church ResidencesColumbus | Form 990 | $467,021FY2025 |
| Robert T Secrest Senior Citizen CtrSenecaville | Form 990 | $466,771FY2025 |
| Aasr of Freemasonry NMJ Valley of CincinnatiCincinnati | Form 990 | $464,572FY2025 |
| Wesley Village IncFostoria | Form 990 | $463,263FY2024 |
| NCR of Warsaw Housing Development Fund Co IncColumbus | Form 990 | $462,111FY2025 |
| National Church ResidencesColumbus | Form 990 | $459,715FY2025 |
| National Church ResidencesColumbus | Form 990 | $458,450FY2025 |
| Child Care CenterConneaut | Form 990 | $457,960FY2024 |
| National Church Residences of Massillon OhColumbus | Form 990 | $456,783FY2025 |
| Circleville-Pickaway Community Improvement CorpCircleville | Form 990 | $455,757FY2025 |
| National Church Residences ofColumbus | Form 990 | $454,641FY2025 |
| Road Runners Club of AmericaBeavercreek | Form 990 | $453,721FY2025 |
| Federation of Womens Clubs Inc Marion CountyMarion | Form 990 | $453,681FY2024 |
| National Association of Nephrology TechnologistsDayton | Form 990 | $452,517FY2025 |
| PTA Ohio CongressToledo | Form 990 | $452,174FY2025 |
| Caring Kitchen IncorporatedUrbana | Form 990 | $450,854FY2024 |
| United Church Residences of Hornlake Mississippi IncMarion | Form 990 | $448,966FY2024 |
| National Church Residences ofColumbus | Form 990 | $447,195FY2025 |
| National Church Residences ofColumbus | Form 990 | $446,455FY2025 |
| Memorial Park District of the City of St Clairsvile and of RichlandSaint Clairsville | Form 990 | $446,259FY2024 |
| Marion Adolescent Pregnancy Program IncMarion | Form 990 | $444,938FY2025 |
| Lutheran Social Services of Central Ohio Little Brook Housing IncColumbus | Form 990 | $444,517FY2025 |
| Boy Scouts of AmericaToledo | Form 990 | $444,301FY2024 |
| National Church Residences ofColumbus | Form 990 | $443,406FY2025 |
| Transformations by Austin AngelsWestlake | Form 990 | $440,328FY2025 |
| Lets Grow Akron IncAkron | Form 990 | $440,325FY2025 |
| The Ohioana Library AssociationColumbus | Form 990 | $440,202FY2025 |
| National Assistance LeagueCincinnati | Form 990 | $439,849FY2026 |
| Saint Vincent Depaul SocietyLancaster | Form 990 | $439,252FY2025 |