4750 California Ave. S.W. P.O. Box 16487 Seattle, WA 98116 Phone: 206-932-5685 Fax: 206-932-5753 Email: wscofc@quidnunc.net Website: http://wschamber.com/ Contact: Executive Director: P.K. MacDonaldEstablished: 1929: Number of members: 281: Number of employees: 1: International services?: No