Martin Marietta Materials, Inc. is a natural resource-based building materials company. The Company supplies aggregates (crushed stone, sand and gravel) through its network of approximately 360 quarries, mines and distribution yards in 28 states, Canada and The Bahamas. It also provides cement and downstream products, namely, ready mixed concrete, asphalt and paving services in targeted markets. The Company conducts its Building Materials business through two segments, such as the East Group and the West Group. The East Group provides aggregates and asphalt products. The West Group provides aggregates, cement, downstream products and paving services. The Company’s Magnesia Specialties business produces and sells dolomitic lime from its Woodville, Ohio facility and manufactures magnesia-based chemical products at its Manistee, Michigan facility. The Company also owns 20 active aggregates operations in Alabama, South Carolina, South Florida, Tennessee, and Virginia.