- Bird Alliance of Oregon and Columbia Land Trust Backyard Habitat Program
- Brighton Homeowners Association
- City of Lake Oswego
- Clackamas Soil and Water Conservation District
- Council of Councils Deepens Watershed Partnerships
- Friends of Hallinan Heights Woods
- Friends of Iron Mountain Trail
- Friends of Tryon Creek
- Friends of Tryon Creek State Park
- Friends of Springbrook Park
- Hope Community Church
- Lake Oswego Chamber of Commerce
- Lake Oswego Corporation
- Lake Oswego School District
- Lake Oswego High School Green Team
- Lakeridge High School Green Team
- Lakeridge Junior High School
- Lake Oswego Junior High School
- Lake Oswego Sustainability Network
- Mountain Park Home Owners Association
- Mt. Park Homeowners Association
- Network of Oregon Watershed Councils
- OSU Master Gardeners
- Oregon Watershed Enhancement Board
- Park Academy
- Respond to Racism
- Rotary Club of Lake Oswego
- Tryon Creek Watershed Council
- Tualatin River Watershed Council
- Tualatin Soil and Water Conservation District
- Village on the Lake Homeowners Association
- Westlake Homeowners Association
- West Multnomah Soil and Water Conservation District
- Woodside Circle Homeowners Association
- Xerces Society
- Youth Sustainability Collective (YSC)