Rob A. Biedermann

Versar, Inc. operates as a global project management company, which provides engineering solutions to government and commercial clients. It also provides technical and management support to federal, state, and local government clients as well as to industries worldwide, delivering construction management, environmental sciences and engineering infrastructure solutions. It offers tailored and secure solutions in harsh environments providing clients with comprehensive engineering and construction management, environmental and professional services. Its projects include Anne Arundel County, Harford County and Maryland Department of Natural Resources, Power Plant Research Program. The company was founded by Robert L. Durfee in 1969 and is headquartered in Washington, DC.

J.B. Henderson Construction Co., Inc. provides general contracting services. It specializes in general contracting, mechanical, plumbing, process piping and fabrication. The company was founded in 1959 and is headquartered in Albuquerque, NM.