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In 1995 Lockheed merged with Martin Marietta Corporation
The symbol for Lockheed Martin Corporation in the NYSE is: LMT.
As of July 2014, the market cap for Lockheed Martin Corporation (LMT) is $53,944,578,548.26.
The ticker symbol for Lockheed Martin Corporation is LMT and it is traded on the New York Stock Exchange.
Robert J Stevens. (Chairman & CEO)