Clyde Thomas Nixon

SRA International, Inc. provides technology and strategic consulting services and solutions. It offers information technology solutions and professional services that enable mission performance, improve efficiency of operations or reduce operating costs. The firm’s information technology service offerings include infrastructure services, software development, systems integration, cyber security, cloud computing, business intelligence, data analytics and mobile solutions. The company also provides mission-specific domain expertise in areas such as intelligence analysis, energy and environmental consulting, enterprise logistics and bioinformatics. The company was founded by Ernst Volgenau in 1978 and is headquartered in Fairfax, VA.

Leidos, Inc. provides scientific, engineering, systems integration and technical services and solutions. It offers solutions and services that leverage the power of data analytics, systems integration, and cyber security across national security, health, and engineering markets. The company was founded by John Robert Beyster in June 1969 and is headquartered in Reston, VA.

BTG Ltd. is a global healthcare company, which focuses on interventional medicine that can help physicians to treat patients through minimally invasive procedures. It operates through the following segments: Product, Licensing, and Other. The firm's products include CroFab, DigiFab, Voraxage. The company was founded on December 12, 1991 and is headquartered in Farnham, the United Kingdom.