Martin Marietta Materials has its roots in the 1939 founding of Superior Stone, an aggregate company in Raleigh, North Carolina.
In 1959 Superior Stone merged with national construction materials manufacturer, American Marietta Corporation. Two years later American-Marietta merged with Glenn L. Martin Company, a leader in aerospace, cement, aggregates, electronics, and chemicals.
In 1996 the company was spun-off from American-Marietta to become an independent entity.
Martin Marietta Materials (MMM) is the #1 producer of aggregates for highway, infrastructure, commercial, and residential construction in the United States. Its segments include Mid-America Group, Southeast Group, West Group, Cement, and Magnesia Specialties.
The company trades publicly on the New York Stock Exchange under the ticker symbol MLM, is a member of the S&P 500, is #923 in the Fortune 1000, has 7,163 employees, and had $2.68 billion in revenue in 2014.
Martin Marietta Materials
Martin Marietta Materials has its roots in the 1939 founding of Superior Stone, an aggregate company in Raleigh, North Carolina.
In 1959 Superior Stone merged with national construction materials manufacturer, American Marietta Corporation. Two years later American-Marietta merged with Glenn L. Martin Company, a leader in aerospace, cement, aggregates, electronics, and chemicals.
In 1996 the company was spun-off from American-Marietta to become an independent entity.
History
Martin Marietta Materials (MMM) is the #1 producer of aggregates for highway, infrastructure, commercial, and residential construction in the United States. Its segments include Mid-America Group, Southeast Group, West Group, Cement, and Magnesia Specialties.
The company trades publicly on the New York Stock Exchange under the ticker symbol MLM, is a member of the S&P 500, is #923 in the Fortune 1000, has 7,163 employees, and had $2.68 billion in revenue in 2014.