2006
- Sitka Conservation Society
- Surfrider Foundation
- Wilderness Society (The)
- Trout Unlimited
- 1000 Friends of Oregon
- Conservation Geography
- Duke University
- ONE/Northwest
- Oregon League of Conservation Voters Education Fund
- Pacific Marine Conservation Council
- Sightline Institute
- Wild Salmon Center
- Green House Network
- Oregon Wild
- Wildsight
- Columbia Land Trust
- Conservation NW
- Green Fire Productions
- Idaho Conservation League
- Institute for Fisheries Resources
- 3 E Strategies
- Alaska Wilderness League
- Alaska Conservation Foundation
- American Lands Alliance
- Bark
- Campaign for America's Wilderness
- Cascade Resources Advocacy Group
- Conservation Leaders Network
- Consultative Group on Biological Diversity
- Gifford Pinchot Task Force
- Klamath Siskiyou Wildlands Center
- High Country News
- Montana Conservation Voters Education Fund
- Montana Wilderness Association
- Oregon Shores Conservation Coalition
- Partnership Project
- Piedmont Environmental Council
- Portland Audubon Society
- Resource Innovation Group
- Water Watch of Oregon
- Western Watersheds Project
- Alaska Conservation Alliance
- Audubon Naturalist Society of the Central Atlantic States
- Firefighters United for Safety, Ethics and Ecology (FUSEE)
- Forest Ethics
- Forest Guardians
- National Wildlife Federation
- Oregon Progress Forum
- Pacific Environmental Advocacy Center / Lewis and Clark College
- Resource Media
- Round River Conservation Studies
- Southern Environmental Law Center
- Wildlands Center for Preventing Roads
- Winter Wildlands Alliance
- World Steward
- Headwaters Community Association
- Advocates for the West