Lockheed Martin Corporation (LMT) is a leading aerospace, defense, security, and advanced-technology company. It is headquartered in Bethesda, Maryland. Lockheed Martin designs, develops, manufactures, integrates, and sustains a broad range of products and systems worldwide, including combat and support aircraft, missiles and fire-control systems, helicopters and naval systems, and space and satellite systems. Lockheed Martin’s market capitalization is $106 billion. Companies worth$10 billion or more are ...