Ohio
- Appalachia Ohio Alliance
- Arc of Appalachia
- Association of Ohio Recyclers
- Clean Fuels Ohio
- Clean Jobs Ohio
- Coalition of Ohio Land Trusts
- Don't Break the Lake
- DSIRE incentives database Ohio
- Earth Share Ohio
- EnergySage Solar Data Explorer Ohio
- Environmental Education Council of Ohio
- Friends for the Preservation of Ohio State Parks
- Green Energy Ohio
- Keep Ohio Beautiful
- Mid-Ohio Regional Planning Commission
- The Oberlin Project
- The Ohio Association of Litter Prevention and Recycling Professionals
- Lake Erie Allegheny Partnership for Biodiversity
- Ohio Bikeways
- Ohio Bicycle Federation
- Ohio Bird Conservation Initiative
- Ohio Chapter of International Society of Arboriculture
- Ohio Chapter Sierra Club
- Ohio Department of Agriculture
- Ohio Department of Natural Resources
- Ohio Ecological Food and Farm Association
- Ohio Energy Project
- Ohio Environmental Council
- Ohio Environmental Organizations
- Ohio Environmental Protection Agency
- Ohio EPA Office of Environmental Education
- Ohio Federation of Soil and Water Conservation Districts
- Ohio Food Recovery Network
- The Ohio Legislature
- Ohio Lepidopterists
- Ohio Materials Marketplace
- Ohio Natural Areas and Preserves
- Ohio Odonata Society
- Ohio Parks and Recreation Association
- Ohio Prairie Association
- Ohio Pollinator Habitat Initiative
- Ohio Public Utilities Commission
- Ohio River Foundation
- Ohio Stormwater Association
- Ohio Stream Preservation
- Ohio Watershed Network
- Ohio Wildlife Rehabilitators Association
- Rivers Unlimited
- Rural Action
- Rust Belt Riders
- Sierra Club Ohio Chapter
- Solar Energy Industries Assocation: Ohio
- The Nature Conservancy: Ohio
- U.S. Green Building Council Ohio
- U.S. Energy Information Administration Ohio