Martin Marietta Materials is a leading supplier of construction materials in the United States. The company specializes in producing aggregates, which are essential for building roads, bridges, and other infrastructure projects. They also manufacture asphalt and ready-mixed concrete, contributing to various construction needs. Founded in 1993, Martin Marietta has grown through strategic acquisitions and a focus on sustainability. The company operates numerous quarries and plants across the country, ensuring a steady supply of materials for both public and private sector projects. Their commitment to quality and safety has made them a trusted partner in the construction industry.