- Classy Chassis Student Packet Order a video postcard of the Valley. Economic Summit Information 300 S. Columbia, Third Floor P.O. Box 850 Wenatchee, WA 98807-0850 509-662-2116 509-663-2022 (Fax) info@wenatchee.org The mission of the Wenatchee Valley Chamber of Commerce is to strengthen the economic climate of the Wenatchee Valley by promoting partnerships and energizing business and the ...wenatchee.org