HDR Environmental, Operations and Construction, Inc.
2600 Park Tower Drive, Suite 100
Vienna, VA 22180
Year Established: 1917
Number of Employees: 7800
The HDR cultural resources group employed more than 90 cultural resource professionals in 20 offices nationwide. Drawing on diverse experience and educational backgrounds, our primary staff includes dozens of professionals who meet or exceed the Secretary of the Interior’s standards for archaeology, architectural history, and history.