Engineering Support Personnel, Inc. provides engineering, simulation, and training support services worldwide for Air Force, Navy, Marine Corps, and Army programs. It offers training services, engineering services, live fire range services, and operations and maintenance, including full maintenance and operational support to the Department of Defense and commercial customers. The company designs and manufactures a reconfigurable Advanced Aviation Training Device (AATD) as well. The company has operations throughout the Continental United States (CONUS) as well as overseas. Engineering Support Personnel, Inc. was founded in 1990 and is based in Orlando, Florida.