Multnomah County
- City of Portland
- City of Gresham
- City of Troutdale
- City of Lake Oswego
Washington County
- City of Hillsboro
- City of Beaverton
- City of Tigard
- City of Tualatin
Clackamas County
- City of Wilsonville
- City of Oregon City
Marion County
- City of Salem
- City of Keizer
- City of Woodburn
Yamhill County
- City of Newberg
- City of McMinnville
Polk County
- City of Dallas
Benton County
- City of Corvallis
Lane County
- City of Eugene
- City of Springfield
Deschutes County
- City of Bend
- City of Redmond