- Apache Stronghold
- Center for Biological Diversity
- Concerned Citizens and Retired Miners Association
- Concerned Climbers of Arizona
- Dragoon Conservation Alliance
- Earthworks
- Environment Arizona
- Grand Canyon Chapter of the Sierra Club
- Groundwater Awareness League
- Maricopa Audubon Society
- Patagonia Area Resource Alliance
- Save the Scenic Santa Ritas
- Save Tonto National Forest
- Sky Island Alliance
- Spirit of the Mountain Runners
- Tucson Audubon Society