Environmental Organizations
- Big Bear Discovery Center
- Friends of Fawnskin
- Friends of the River
- California Native Plant Society
- Moonridge Animal Park
- Mountain Lion Foundation
- Mountain Top Hiking Club (MTHC)
- Pacific Crest Trail Association (PCTA)
- Rim of The World Interpretive Association (ROWIA)
- San Bernardino National Forest Association (SBNFA)
- San Bernardino Valley Audubon Society
- San Gorgonio Wilderness Association (SGWA)
- San Jacinto Environmental and Wildlife Observatory
- Sierra Club San Gorgonio Chapter
- Sierra Club Big Bear Group
- Sierra Club Mountains Group
- South Coast Wildlands
Land Trusts
- California Council of Land Trusts
- Friends of the Desert Mountains
- Land Trust Alliance
- Riverside Land Conservancy
- The Conservation Fund
- The Nature Conservancy
- The Redlands Conservancy
- The Wildlands Conservancy
- Trust for Public Land
Government Agencies
- Bureau of Land Management (BLM)
- California Department of Fish and Game (CDFG)
- California Department of Forestry and Fire Protection (CDF)
- Inland Empire Resource Conservation District (IERCD)
- Land and Water Conservation Fund (LWCF)
- Mountain Area Safety Taskforce (MAST)
- Rim of the World Recreation and Park District (ROWRPD)
- San Bernardino County Land Use Services Department
- San Bernardino National Forest (SBNF)
- U.S. Fish and Wildlife Service (FWS)
- U.S. Forest Service