Lockhee Martin (NYSE: LMT) is a leading multinational aerospace manufacturer and advanced technology company formed in 1995 by the merger of Lockheed Corporation with Martin Marietta. It is headquartered in Bethesda, an unincorporated area in Montgomery County, Maryland and a suburb of Washington, D.C. Lockheed Martin employs 140,000 people worldwide. Robert J. Stevens is the current Chairman, President, and Chief Executive Officer.