Martin Marietta Materials Inc was formed in 1993 as a North Carolina corporation to serve as successor to the operations of the materials group of the organization that is now Lockheed Martin Corporation. The Company is a supplier of aggregates products (crushed stone, sand, and gravel) for the construction industry, used for the construction of infrastructure, nonresidential, and residential projects. In addition, aggregates products are used for railroad ballast and in agricultural, utility and environmental applications. The Company's Aggregates business consists of mining, processing, and selling granite, limestone, sand and gravel. The Aggregates business also includes its aggregates-related downstream product lines (including its heavy building materials such as asphalt products, ready mixed concrete, and road paving construction services). The Company conducts its Aggregates business through three reportable segments: the Mid-America Group, Southeast Group, and West Group. The Company's Cement business produces Portland and specialty cements. It also has a Magnesia Specialties business that manufactures and markets magnesia-based chemical products used in industrial, agricultural, and environmental applications, and dolomitic lime sold to customers in the steel industry. The principal raw materials used in the Specialty Products business are dolomitic limestone and alkali-rich brine. The Company's Magnesia Specialties business competes with various companies in different geographic and product areas on the basis of quality, price, technological advances, and technical support for its products. The Company's Cement business competes with companies in different geographic and product areas on the basis of proximity, quality and price for its products, but level of customer service is also a factor. The Company's Specialty Products business competes with various companies in different geographic and product areas on the basis of quality, price, technological advances, and technical support for its products. The Company's operations are subject to and affected by federal, state, and local laws and regulations relating to the environment, health and safety, and other regulatory matters.
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