Aerojet Rocketdyne Holdings' operations are organized into two segments: Aerospace and Defense, which includes the company's wholly-owned subsidiary Aerojet Rocketdyne, Inc., a technology-based engineering and manufacturing company that develops and produces propulsion systems, as well as armament systems, where the company develops and manufactures several propulsion types (liquid, solid, air-breathing, and electric) for space, defense, civil and commercial applications; and Real Estate, which includes the activities of the company's wholly-owned subsidiary Easton Development Company, LLC related to the re-zoning, entitlement, sale, and leasing of its excess real estate assets.

Lockheed Martin is a security and aerospace company. The company has four segments: Aeronautics, which is engaged in the research, design, development, manufacture, integration, sustainment, support and upgrade of military aircraft; Missiles and Fire Control, which provides air and missile defense systems, logistics, fire control systems, and mission operations support; Rotary and Mission Systems, which provides design, manufacture, service and support for military and commercial helicopters, radar systems, and simulation and training services; Space, which researches, designs, develops, engineers and produces satellites, space transportation systems, and strategic, strike, and defensive systems.