Martin Marietta Materials
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 310 quarries, mines and distribution yards in Canada and The Bahamas. In the southwestern and western United States, the Company also provides cement and downstream products and services, including ready-mixed concrete, asphalt, and paving services, in markets that are naturally vertically integrated. The Company has cement plants in Texas, and ready mixed concrete and asphalt operations in Texas, Colorado, and Wyoming. Asphalt operations and paving services are in Colorado. The Company conducts its Building Materials Business through two segments, East Group and West Group. The East Group provides aggregates products only. The West Group provides aggregates, cement, and downstream products. The Company’s Magnesia Specialties Business includes magnesia-based chemicals and dolomitic lime businesses.