Martin Marietta Materials

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Martin Marietta Materials

Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2023, Martin Marietta sold 199 million tons of aggregates. Martin Marietta's most important markets include Texas, Colorado, North Carolina, Georgia, and Florida, accounting for most of its sales. The company also produces cement in Texas and uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.