Northrop Grumman Corp.

General Dynamics is a market leader in business aviation; combat vehicles, weapons systems and munitions; shipbuilding and marine systems; and mission-critical information systems and technology. The company was formed in 1952 through the combination of the Electric Boat Company, Consolidated Vultee (CONVAIR) and several others. The company grew organically and through acquisitions until the early 1990s, when they sold many of our defense-related businesses. Starting in the mid-1990s, they began expanding by acquiring combat vehicle-related businesses, additional shipyards, information-technology product and service companies and Gulfstream Aerospace Corporation.

Lockheed Martin Corp. operates as a global security and aerospace company, which engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services. It operates through the following business segments: Aeronautics, Missiles and Fire Control (MFC), Rotary and Mission Systems (RMS) and Space. The Aeronautics segment researches, designs, develops, manufactures, integrates, sustains, supports, and upgrades advanced military aircraft, including combat and air mobility aircraft, unmanned air vehicles, and related technologies. The MFC segment provides air and missile defence systems; tactical missiles and air-to-ground precision strike weapon systems; logistics; fire control systems; mission operations support, readiness, engineering support and integration services; manned and unmanned ground vehicles; and energy management solutions. The RMS segment offers design, manufacture, service, and support for a variety of military and commercial helicopters; ship and submarine mission and combat systems; mission systems and sensors for rotary and fixed-wing aircraft; sea and land-based missile defence systems; radar systems; the Littoral Combat Ship; simulation and training services; and unmanned systems and technologies. The Space segment comprises of the research and development, design, engineering and production of satellites, strategic, and defensive missile systems and space transportation systems. The company was founded in 1961 and is headquartered in Bethesda, MD.

Booz Allen Hamilton Holding Corp. engages in the provision of management and technology consulting services. It offers analytics, digital solutions, engineering, and cyber expertise. The company was founded by Edwin Booz in 1914 and is headquartered in McLean, VA.