Northrop Grumman Corporation operates as an aerospace and defense company worldwide. The company's Aeronautics Systems segment designs, develops, manufactures, integrates, and sustains aircraft systems.

General Dynamics Corporation operates as an aerospace and defense company worldwide. It operates through four segments: Aerospace, Marine Systems, Combat Systems, and Technologies.

The Boeing Company, together with its subsidiaries, designs, develops, manufactures, sales, services, and supports commercial jetliners, military aircraft, satellites, missile defense, human space flight and launch systems, and services worldwide.

L3Harris Technologies, Inc., an aerospace and defense technology company, provides mission-critical solutions for government and commercial customers worldwide. The company's Integrated Mission Systems segment provides multi-mission intelligence, surveillance, and reconnaissance (ISR) systems; and communication systems, as well as fleet management support, sensor development, modification, and periodic depot maintenance services for ISR and airborne missions.

Lockheed Martin Corporation, a security and aerospace company, engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services worldwide.

Huntington Ingalls Industries, Inc. engages in designing, building, overhauling, and repairing military ships in the United States. It operates through three segments: Ingalls Shipbuilding, Newport News Shipbuilding, and Technical Solutions.

Virgin Galactic Holdings, Inc. focuses on the development, manufacture, and operation of spaceships and related technologies for conducting commercial human spaceflight and flying commercial research and development payloads into space.