| Southern Ohio Forestland AssociationPiketon | Form 990-N | No figure |
| Buckeye United Fly Fishers IncCincinnati | Form 990-N | No figure |
| Ohio River Trails IncSteubenville | Form 990-N | No figure |
| Garden Club of Ohio IncHilliard | Form 990-N | No figure |
| Friends of Old Woman Creek Association IncHuron | Form 990-N | No figure |
| Town One Range OnePoland | Form 990-N | No figure |
| Licking County Master Gardener VolunteersNewark | Form 990-N | No figure |
| Eco Environmental Community OrganizationCincinnati | Form 990-N | No figure |
| Parklands Beautification & Improvement FDN of Gallia Co IncGallipolis | Form 990-N | No figure |
| Greater Cincinnati Earth CoalitionCincinnati | Form 990-N | No figure |
| Jefferson Township Land Conservation AssociationBlacklick | Form 990-N | No figure |
| Land Conservancy IncWesterville | Form 990-N | No figure |
| Wyoming Historical SocietyWyoming | Form 990-N | No figure |
| Friends of the Great MiamiCincinnati | Form 990-N | No figure |
| Genoa Township Land Conservation AssociationGalena | Form 990-N | No figure |
| Friends of Alum Creek and TributariesBexley | Form 990-N | No figure |
| Olentangy Watershed AllianceColumbus | Form 990-N | No figure |
| Ohio Motorized Trails AssociationLogan | Form 990-N | No figure |
| Master Gardeners of Greene CountyXenia | Form 990-N | No figure |
| Audubon Society of OhioCincinnati | Form 990-N | No figure |
| Cincinnati Town and Country Garden ClubCincinnati | Form 990-N | No figure |
| Friends of Hudson ParksHudson | Form 990-N | No figure |
| Nordonia Hills Garden ClubMacedonia | Form 990-N | No figure |
| Eco-Friendly Jobs Employment and Training LLCShaker Heights | Form 990-N | No figure |
| Lucasville Valley Garden ClubLucasville | Form 990-N | No figure |
| Sustainability CentralCincinnati | Form 990-N | No figure |
| Gozero InstituteZanesfield | Form 990-N | No figure |
| Franklin County Pollinator PathwayColumbus | Form 990-N | No figure |
| Lake Logan Association IncLogan | Form 990-N | No figure |
| Plastics Research Council IncorporatedTerrace Park | Form 990-N | No figure |
| McBrayer Distilling FoundationMason | Form 990-N | No figure |
| Komeza FoundationColumbus | Form 990-N | No figure |
| Wintersville Ohio Beautification Committee IncSteubenville | Form 990-N | No figure |
| Amherst Ohio Garden ClubVermilion | Form 990-N | No figure |
| Cleveland AnglersCleveland | Form 990-N | No figure |
| McDougalds Pollination StationParma | Form 990-N | No figure |
| Cincinnati Dahlia SocietyCincinnati | Form 990-N | No figure |
| Upper Arlington Garden ClubColumbus | Form 990-N | No figure |
| Olmsted Township Co-OpOlmsted Falls | Form 990-N | No figure |
| Cleveland Conservation CollectiveCleveland | Form 990-N | No figure |
| Scioto Watershed Action GroupColumbus | Form 990-N | No figure |
| Canton Garden CenterCanton | Form 990-N | No figure |
| Garden Forum of the Greater Youngstown Area IncCanfield | Form 990-N | No figure |
| Garden Club of Ohio IncBrooklyn | Form 990-N | No figure |
| Mechanicsburg Volunteer Fire DepartmentMechanicsburg | Form 990-N | No figure |
| Garden Club of Ohio IncBerea | Form 990-N | No figure |
| Dahlia Society of OhioCleveland Heights | Form 990-N | No figure |
| The Garden Club of Kent IncHudson | Form 990-N | No figure |
| The Bedford Garden ClubBedford | Form 990-N | No figure |
| Blackbrook Audubon SocietyMentor | Form 990-N | No figure |