2004
- Advocates for the West
- Alaska Conservation Foundation
- Alaska Center for the Environment
- American Lands Alliance
- Audubon Naturalist Society of the Central Atlantic States
- Bark
- Canadian Parks and Wilderness Society
- Cascade Resources Advocacy Group
- Cascadia Wildlands Project
- Center for Watershed and Community Health
- Chesapeake Bay Foundation
- Conservation Biology Institute
- Conservation Geography
- Conservation Leaders Network
- Consultative Group on Biological Diversity
- Duke University
- Earthworks
- East Kootenay Environmental Society
- Ecotrust Canada
- Forest Ethics
- Forest Service Employees for Environmental Ethics
- Gifford Pinchot Task Force
- Green Fire Productions
- Idaho Conservation League
- Institute for Fisheries Resources
- Lands Council
- Montana Conservation Voters Education Fund
- Montana Wilderness Association
- Natural Resources Defense Council
- Pacific Environmental Advocacy Center / Lewis and Clark College
- Partnership Project
- Piedmont Environmental Council
- Portland Audubon Society
- 1000 Friends of Oregon
- Oil and Gas Accountability Project
- ONE/Northwest
- Oregon Natural Resources Council Fund
- Oregon Shores Conservation Coalition
- Pacific Marine Conservation Council
- Public Employees for Environmental Responsibility
- Resource Media
- Save Our Wild Salmon Coalition
- Sierra Club Foundation
- Sierra Club of British Columbia Foundation
- Siskiyou Regional Education Project
- Sitka Conservation Society
- Southern Environmental Law Center
- Surfrider Foundation
- Wilderness Society (The)
- Training Resources for the Environmental Community
- Trout Unlimited
- Umpqua Watersheds
- West Coast Environmental Law Research Foundation
- Western Environmental Law Center
- Western Watersheds Project
- Wildlands Center for Preventing Roads
- Wild Salmon Center
- Winter Wildlands Alliance
- World Wildlife Fund
- Xerces Soceity
- Youth for Environmental Sanity (YES!)