Alaska Center for the Environment
Alaska Wilderness League
Alliance for the Wild Rockies
American Wildlands
Arizona Wilderness Coalition
Aspen Wilderness Workshop
California Wilderness Coalition
Califorians for Western Wilderness
Center for Biological Diversity
Denali Citizens Council
Desert Survivors
Dogwood Alliance
EarthJustice
Endangered Species Coalition
Faegre & Benson
Friends of the Bitterroot
Friends of the Clearwater
Forest Guardians
Forest Service Employees for Environmental Ethics
Forest Watch
Great Old Broads for Wilderness
Heartwood
High Sierra Hikers Association
National Resources Defense Council
Natural Trails and Waters Coalition
Northwoods Wilderness Recovery
Patagonia Inc.
Predator Conservation Alliance
Public Employees for Environmental Responsibility
River Runners for Wilderness
Sierra Club
Southern Utah Wilderness Alliance
Trustees for Alaska
Western Environmental Law Center
Wild Wilderness
Wildlands Center for Preventing Roads