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Tri-City Development Council (TRIDEC)
901 North Colorado
Kennewick, WA 99336-7685

Carl Adrian
Tel: 509-735-1000
Fax: 509-735-6609

Link to Properties

Tri-City Industrial Development Council (TRIDEC) is a full service economic development organization serving the Tri-Cities Metropolitan Area in southeast Washington State.

The Tri-Cities are situated at the confluence of the Columbia, Snake and Yakima Rivers with a combined population of 208,129. The major communities are Richland, Kennewick and Pasco.

The Pacific Northwest National Laboratory supports a significant technology-oriented work force. Food processing/agriculture are also important to the local economy.

For confidential site selection assistance contact us at 1-800-TRI-CITY or on the internet at