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

LINN COUNTY

DESCHUTES COUNTY

• City of Bend
• City of Redmond