| Greater Cincinnati Orchid SocietyMason | Form 990-N | No figure |
| Greater Cleveland Beekeepers AssociationCleveland | Form 990-N | No figure |
| Ohio State University Extension Seneca County Master Gardener AssoTiffin | Form 990-N | No figure |
| Green Triangle ProjectLakewood | Form 990-N | No figure |
| Idora Neighborhood AssociationYoungstown | Form 990-N | No figure |
| Two Strong Trees IncWilloughby | Form 990-N | No figure |
| Greenwood Farm Historical Cultural & Arts Association IncRichmond Heights | Form 990-N | No figure |
| Gallia County Conservation ClubGallipolis | Form 990-N | No figure |
| Earth at HeartBeachwood | Form 990-N | No figure |
| Holmes ConservationHolmesville | Form 990-N | No figure |
| Nature Center Association of Caesar CreekWaynesville | Form 990-N | No figure |
| Acc Red Brick FoundationColumbus | Form 990-N | No figure |
| North Royalton Community GardenNorth Royalton | Form 990-N | No figure |
| Friends of Sandusky Greenhouse IncSandusky | Form 990-N | No figure |
| Community Recycling Campaign IncPowell | Form 990-N | No figure |
| Carroll Concerned CitizensCarrollton | Form 990-N | No figure |
| Upsilon Alumi Chapter ClevelandUniversity Heights | Form 990-N | No figure |
| Growing Green IncMartinsville | Form 990-N | No figure |
| Transit ColumbusColumbus | Form 990-N | No figure |
| Huron County Master Gardener AssociationNorwalk | Form 990-N | No figure |
| Friends of Euclid CreekSouth Euclid | Form 990-N | No figure |
| The Village Green Foundation IncCincinnati | Form 990-N | No figure |
| Poww-Protecting Our Water WaysPiqua | Form 990-N | No figure |
| Neighbors Opposing Pit Expansion IncNew Richmond | Form 990-N | No figure |
| Back to Basics Nature AllianceBlanchester | Form 990-N | No figure |
| Delaware Land Conservancy DCLCDelaware | Form 990-N | No figure |
| Rivers Unlimited IncHarrison | Form 990-N | No figure |
| The Grandview Garden ClubColumbus | Form 990-N | No figure |
| Audubon Miami ValleyOxford | Form 990-N | No figure |
| Federated Garden Clubs of Cincinnati and VicinityTerrace Park | Form 990-N | No figure |
| Central Ohio Orchid Society IncGahanna | Form 990-N | No figure |
| Izaak Walton League of America IncLoveland | Form 990-N | No figure |
| Garden Club of Ohio IncColumbus | Form 990-N | No figure |
| Green Environmental CoalitionYellow Springs | Form 990-N | No figure |
| Greater Cincinnati Daylily-Hosta SocietyMaineville | Form 990-N | No figure |
| Cincinnati Horticultural SocietyCincinnati | Form 990-N | No figure |
| Sustainable OhioColumbus | Form 990-N | No figure |
| Friends of Monteverde Cloud Forest ReserveCleveland | Form 990-N | No figure |
| Price Hill Land FoundationCincinnati | Form 990-N | No figure |
| Clinton Rails to TrailsWilmington | Form 990-N | No figure |
| Garden Club of Ohio IncDublin | Form 990-N | No figure |
| Second Chance Wildlife Rescue AssociationFayetteville | Form 990-N | No figure |
| Friends of the Topiary Park IncDublin | Form 990-N | No figure |
| Northside Greenspace IncorporatedCincinnati | Form 990-N | No figure |
| Ultimate Recycling CenterThe Plains | Form 990-N | No figure |
| Granville Garden ClubGranville | Form 990-N | No figure |
| Friends of the Shelby County Park DistrictSidney | Form 990-N | No figure |
| Madison Conservation Foundation IncLondon | Form 990-N | No figure |
| Garden Club of Ohio IncLebanon | Form 990-N | No figure |
| Garden Club of Ohio IncDayton | Form 990-N | No figure |