Martin Marietta Materials, Inc.
Martin Marietta Materials, Inc. (MMMI) is a construction materials manufacturing company. The company principally produces construction aggregates, magnesia chemicals and lime, structural composites products and high calcium limestone. The aggregate products offered by the company include crushed stone, sand, gravel, asphalt and concrete materials, which are used in commercial, agriculture, residential and infrastructure construction sectors. In addition, the company also engages into research and development activities focused on the development of magnesia based chemicals and structural composite products. MMMI principally operates its business along with its 37 subsidiaries and other affiliated companies across 30 countries all over the world. The company is headquartered in Raleigh, the US.
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