| Westfield Historic SocietyWestfield Center | Form 990-N | No figure |
| Heritage Society of Erie CountySandusky | Form 990-N | No figure |
| Butler Clear Fork Valley Historical SocietyButler | Form 990-N | No figure |
| The Liberty Center Historical Society IncLiberty Center | Form 990-N | No figure |
| Greater Akron Baseball Hall of Fame IncAkron | Form 990-N | No figure |
| The Gnadenhutten Historical Society IncorporatedGnadenhutten | Form 990-N | No figure |
| Shaker Heights Interest GroupShaker Heights | Form 990-N | No figure |
| Jefferson County Chapter of the Ohio Genealogical SocietySteubenville | Form 990-N | No figure |
| EarlyjasBerea | Form 990-N | No figure |
| Oakland Center for the Arts IncWarren | Form 990-N | No figure |
| Forest Hill Historic Preservation SocietyCleveland Heights | Form 990-N | No figure |
| The Greater Cleveland Choral ChapterEuclid | Form 990-N | No figure |
| Bartlow Township Historical SocietyDeshler | Form 990-N | No figure |
| North Coast Pipe Band IncKent | Form 990-N | No figure |
| Litchfield Historical SocietyLitchfield | Form 990-N | No figure |
| Gahanna Community Theatre IncGahanna | Form 990-N | No figure |
| Howland Historical SocietyWarren | Form 990-N | No figure |
| Black Heritage Council of MarionMarion | Form 990-N | No figure |
| Cleveland Rock & Roll IncCleveland | Form 990-N | No figure |
| Holocaust & Genocide Education NetworkCleveland | Form 990-N | No figure |
| Alliance Symphony Association IncAlliance | Form 990-N | No figure |
| Custer Memorial Association IncJewett | Form 990-N | No figure |
| Hayes Ohio Star Quilters GuildFremont | Form 990-N | No figure |
| Granger Historical SocietyMedina | Form 990-N | No figure |
| 87th Cleveland Pipes & Drums IncParma | Form 990-N | No figure |
| N E O R Q C IncConcord Township | Form 990-N | No figure |
| Division One of the North Central Region of the Nmra IncToledo | Form 990-N | No figure |
| Casa Italia Foundation IncFairview Park | Form 990-N | No figure |
| Jewish Genealogy Society of ClevelandBeachwood | Form 990-N | No figure |
| McKinley Senior High School Band Parents AssociationCanton | Form 990-N | No figure |
| Lordstown Apple Cider FestivalWarren | Form 990-N | No figure |
| Flags of Freedom Foundation IncWapakoneta | Form 990-N | No figure |
| Scipio Republic Area Historical SocietyRepublic | Form 990-N | No figure |
| Brunswick Area Historical Society IncBrunswick | Form 990-N | No figure |
| Warren Sports Hall of FameWarren | Form 990-N | No figure |
| Strongsville Community BandStrongsville | Form 990-N | No figure |
| Bratenahl Historical SocietyBratenahl | Form 990-N | No figure |
| Auglaize Township Historical SocietyHarrod | Form 990-N | No figure |
| Franklin Museum of New Athens IncNew Athens | Form 990-N | No figure |
| Cleveland Performance Art Festival IncLakewood | Form 990-N | No figure |
| Ashland County Yesteryear Machinery ClubJeromesville | Form 990-N | No figure |
| Bazm-E-AdabShaker Heights | Form 990-N | No figure |
| Society for Preservation and EncouragmentCelina | Form 990-N | No figure |
| Cuyahoga Valley and West Shore Model Railroad ClubOlmsted Falls | Form 990-N | No figure |
| Alliance Area Preservation Society IncAlliance | Form 990-N | No figure |
| Mahoning Veterans Memorial IncStruthers | Form 990-N | No figure |
| International Federation of Trekkers IncSandusky | Form 990-N | No figure |
| Perrysburg Symphony AssociationPerrysburg | Form 990-N | No figure |
| Firelands Archaeological Research CenterAmherst | Form 990-N | No figure |
| York Township Historical SocietyMedina | Form 990-N | No figure |