2003
- Advocates for the West
- Alaska Center for the Environment
- Alaska Conservation Foundation
- Alaska Wilderness League
- American Lands Alliance
- American Rivers
- Audubon Naturalist Society of the Central Atlantic States
- Bark
- Canadian Parks and Wilderness Society
- Center for Reproductive Rights
- Cascade Resources Advocacy Group
- Coalition for a Livable Future
- Columbia Land Trust
- Conservation Geography
- Duke University
- East Kootenay Environmental Society
- Ecotrust
- Environmental Defense
- Forest Ethics
- Georgia Strait Alliance
- Gifford Pinchot Task Force
- Green Fire Productions
- High Country Foundation
- Idaho Conservation League
- Illahee
- Institute for Fisheries Resources
- Ipas
- Klamath Siskiyou Wildlands Center
- League of Conservation Voters Education Fund
- Montana Conservation Voters Education Fund
- Montana Wilderness Association
- National Wildlife Federation
- Northwest Earth Institute
- Northwest Ecosystem Alliance
- 1000 Friends of Oregon
- Oil and Gas Accountability Project
- ONE/Northwest
- Oregon League of Conservation Voters Education Fund
- Oregon Natural Desert Association
- Oregon Natural Resources Council Fund
- Pacific Rivers Council
- Partnership Project
- Piedmont Environmental Council
- Planned Parenthood of Metropolitan Washington DC
- Raincoast Conservation Foundation
- Resource Media Group
- Round River Conservation Studies
- Sierra Club Foundation
- Sierra Club of British Columbia Foundation
- Sierra Legal Defense Fund Society
- Siskiyou Regional Education Project
- Southern Environmental Law Center
- Swan View Coalition
- Trustees for Alaska
- Wilderness Society (The)
- Western Watersheds Project
- Wildlands Center for Preventing Roads
- Wild Salmon Center
- World Wildlife Fund