J. Kelly Brown

National Defense Industrial Association engages in the defense and national security education. It offers courses such as configuration and data management certification program, defense systems acquisitions management, mastering business development, and certified modeling and simulation professional certification program. The company was founded in 1919 and is headquartered in Arlington, VI.

Leigh Orthopedic Surgery Center LLC operates as a ambulatory surgery centre. It offers health care facilities where surgical procedures not requiring an overnight hospital stay are performed. The company is headquartered in Norfolk, VA.

ESSolutions, Inc. provides computer systems integration services. The company was founded in 1993 and is headquartered in Arlington, VA.

EM Business Holdings, Inc. provides engineering, science and advanced technology solutions. The firm provides services to defense, security, intelligence and manufacturing industries. Its services include engineering, logistics, modelling, simulation, analysis, information technology, program protection planning, intelligent information management, dynamic process modelling and unmanned systems mission planning. The company was founded in 2000 and is headquartered in Chantilly, VA.