Flowers bloom along the Metolius River. Photo: Byron Dudley.
- American Bird Conservancy
- Bend Park and Recreation District
- Big Brothers Big Sisters
- Bureau of Land Management
- Cascade Youth and Family Center
- Central Oregon Intergovernmental Council
- Central Oregon Community College
- City of Prineville
- Coalition of Oregon Land Trusts
- Confederated Tribes of Warm Springs
- Crook County Historical Society/Bowman Museum
- Crook County Parks and Recreation District
- Crook County Rotary Club
- Crook County School District
- Crooked River Watershed Council
- Deschutes Collaborative
- Deschutes County
- Deschutes County Historical Society
- The Deschutes Partnership
- Deschutes Public Library
- Deschutes National Forest
- Deschutes River Conservancy
- East Cascades Bird Alliance
- East Cascades Oaks Partnership
- Heart of Oregon Corps.
- Jefferson County Historical Society
- Klamath Tribes
- Land Trust Alliance
- Monarch Advocates of Central Oregon
- National Park Service
- Native Plant Society
- The Nature Conservancy
- Ochoco National Forest
- Old Mill District
- Oregon Department of Fish and Wildlife
- Oregon Department of Forestry
- Oregon Historical Society
- Oregon State Parks
- Oregon State University - Cascades
- Oregon State University School of Forestry
- Oregon Watershed Enhancement Board
- Portland General Electric
- Redmond Historical Society
- Sisters Chamber of Commerce
- Sisters Folk Festival
- Sisters Park and Recreation District
- Sisters School District
- Southern Oregon Monarch Advocates
- Stanford University School of Earth, Energy, and Environmental Sciences
- Three Sisters Historical Society
- Trout Unlimited
- Upper Deschutes Watershed Council
- US Fish and Wildlife
- Vámonos Outside
- Xerces Society