Full disclosure Martin Marietta
Code MM
Country USA
Wikipedia https://en.wikipedia.org/wiki/Martin_Marietta
Type Commercial

Additional information MM Martin Marietta

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.