Martin Marietta Materials, Inc.

Martin Marietta Materials, Inc. is a leading supplier of natural resource-based building materials. Founded in 1939 and headquartered in Raleigh, North Carolina, the company is a leader in the construction industry, with operations in the United States and abroad. The company supplies a wide range of building materials, including crushed stone, sand, and gravel, ready mixed concrete and asphalt, and Portland and specialty cement. It also produces magnesia-based chemicals products for industrial, agricultural, and environmental applications, as well as dolomitic lime used for steel production and soil stabilization.

Martin Marietta Materials is a publicly traded company on the New York Stock Exchange (NYSE: MLM). The company operates over 350 facilities across 41 states and the District of Columbia, and employs over 10,000 people across its various divisions. In 2019, the company reported a net sales figure of $3.6 billion and a net income of $619 million. Martin Marietta Materials is the largest supplier of construction aggregates in the United States, accounting for over 22% of the market share. It is also the world leader in production and supply of magnesia-based chemicals products, holding a 30% market share globally. The company also leads the U.S. in production and supply of dolomitic lime with 45% of the market share. Martin Marietta Materials is committed to sustainable practices and offers customers a range of green products such as permeable pavers that promote water conservation and reduce runoff.