DES Offices are located in Seattle WA and Dallas TX. The Seattle Office provides services for Tribes and Area Offices located in the Upper Midwest, the Northern Plains, the Pacific Northwest, and Alaska. The Dallas Office provides services for Tribes and Area Offices located in California, the Southwest, and all other locations east of the Mississippi River. Although each office supports specific geographic regions, DES project teams include staff from both offices on all projects. The DES Offices are organized into branches focusing on Project Management, Technical Support, and Acquisitions Management.