Lockheed Martin Corp
Headquartered in Bethesda, Maryland, Lockheed Martin Corp. is a global security and aerospace company and is engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The majority of Lockheed Martin's business is with the U.S. Department of Defense and U.S. federal government agencies. Lockheed Martin's business is also comprised of international government and commercial sales of products, services and platforms. The company's operating units are divided into four categories including, Aeronautics, Missiles and Fire Control, Rotary and Mission Systems and Space Systems.