The Lockheed Martin Corporation is an American aerospace and defense manufacturer with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in North Bethesda, Maryland. As of January 2022, Lockheed Martin employs approximately 115,000 employees worldwide, including about 60,000 engineers and scientists. Lockheed Martin is one of the largest companies in the aerospace, military support, security, and technologies industry. It was the world's largest defense contractor by revenue for fiscal year 2014. In 2013, 78% of Lockheed Martin's revenues came from military sales; it topped the list of US federal government contractors and received nearly 10% of the funds paid out by the Pentagon. In 2009, US government contracts accounted for $38.4 billion, foreign government contracts for $5.8 billion, and commercial and other contracts for $900 million. Half of the corporation's annual sales are to the U.S. Department of Defense. Lockheed Martin is also a contractor for the U.S. Department of Energy and the National Aeronautics and Space Administration. Wikipedia