Founded in 1995, ESN is ISO 9001:2000 certified and is headquartered in Arlington, Virginia with regional and field offices throughout the U.S. and in Japan. A leading engineering and technology company, we apply our depth of customer knowledge and technological and management competencies to deliver trusted solutions to the U.S. government. Our customers include the U.S. Navy, U.S. Army, U.S. Air Force, U.S. Marine Corps, Military Sealift Command, the Department of Health and Human Services, as well as other federal government agencies.

ESN provides our military and government customers with mission-critical services in the areas of engineering and technical support; strategic and program management; testing and evaluation; operations support; and information technology.