The Martin Marietta Corporation was an American company founded in 1961 through the merger of Glenn L. Martin Company and American Marietta Corporation. The combined company became a leader in chemicals, aerospace, and electronics. In 1995, it merged with Lockheed Corporation to form Lockheed Martin.
UpGuard's Cyber Security Ratings range from 0 to 950. The higher the score, the more effective a company is in implementing good security practices.
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