William O. King

Caliburn International LLC engages in the provision of professional services and solutions to U.S. federal government agencies and commercial clients. It offers consulting, engineering, medical, and environmental services. The company was founded in August 2018 and is headquartered in Reston, VA.

Applied Insight LLC engages in the provision of information technology services. It specializes in cloud and next-gen infrastructure; advanced analytics; cyber security; and mission solutions. The company is headquartered in Tysons, VA.

National Interest Security Co. LLC used to provide information technology, management and consulting solutions. It serves defense, healthcare, energy, logistics and security industries. The company was founded in 2007 and was headquartered in Rocket Center, WV.