More About Us

For over a century, HDR has partnered with clients to shape communities and push the boundaries of what’s possible. Our expertise spans more than 11,000 employees in more than 200 locations around the world—and counting. Our engineering, architecture, environmental and construction services bring an impressive breadth of knowledge to every project. Our optimistic approach to finding innovative solutions defined our past and drives our future. HDR established its Chattanooga office in April 2010. We began our support for Tennessee Valley Authority prior to our office opening and increased our service to this important Chattanooga establishment, and the City of Chattanooga, and other local and regional companies and organizations.