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For information on doing business with us, please contact Robert Frazier, Branch Chief, at 206-764-6546.

Interagency and International Services (IIS) Program

Interagency and International Services (IIS) is the U.S. Army Corps of Engineers (Corps) program providing technical assistance to non-Department of Defense (DoD) federal agencies, state and local governments, tribal nations, private U.S. firms, international organizations, and foreign governments. Most IIS work is funded on a reimbursable basis. The Corps provides engineering and construction services, environmental restoration and management services, research and development assistance, management of water and land related natural resources, relief and recovery work, energy conservation work, and other management and technical services.

Examples customers include the following: