Save Drakes Bay Coalition
| Arizona Wilderness Coalition |
| Audubon California |
| Audubon Canyon Ranch |
| California Wilderness Coalition |
| Californians for Western Wilderness |
| Center for Biological Diversity |
| Coalition for National Park Service Retirees |
| Defense of Place |
| Endangered Species Coalition |
| Environmental Action Committee of West Marin |
| Environmental Defense Center |
| Environmental Protection Information Center |
| Federated Indians of Graton Rancheria |
| Friends of the Earth |
| Gordon and Betty Moore Foundation |
| Great Old Broads for Wilderness |
| Humboldt Baykeeper |
| John Muir Project of Earth Island Institute |
| Marin Audubon Society |
| Marin Conservation League |
| Marine Mammal Center |
| Monterey Peninsula Audubon Society |
| National Parks Conservation Association |
| National Wildlife Federation |
| Natural Resources Defense Council |
| Northcoast Environmental Center |
| Ocean Conservancy |
| Pacific Coast Federation of Fisherman's Associations |
| People for a Golden Gate National Recreation Area |
| Public Employees for Environmental Responsibility |
| Rainforest Action Network |
| Resource Renewal Institute |
| Salmon Protection and Watershed Network |
| San Francisco Bay Area Joint Venture |
| Save Our Seashore |
| Sequoia Forest Keeper |
| Sierra Club |
| Sonoma County Conservation Action |
| Turtle Island Restoration Network |
| Voices for Public Lands WildEarth Gaurdians |
| Wild West Institute |
| Wild Wilderness |
| Wilderness Society |
| Wilderness Watch |