Eagle Materials, Inc. is a holding company, which engages in the provision of heavy construction materials, light building materials, and materials used for oil and natural gas extraction. It operates through the following segments: Cement, Concrete and Aggregates, Gypsum Wallboard, Recycled Paperboard, and Oil and Gas Proppants. The Cement segment deals with the manufacture, production, distribution, and sale of portland cement. The Concrete and Aggregates segment involves mixing cement, sand, gravel, or crushed stone and water to form concrete, which is then sold and distributed to construction contractors. The Gypsum Wallboard segment mines and extracts natural gypsum rock, which is used in the manufacture of gypsum wallboard. The Recycled Paperboard segment processes paper fiber, water, and paper chemicals to form recycled paperboards, then sell them to gypsum wallboard manufacturers. The Oil and Gas Proppants segment produces frac sand used in oil and natural gas exploration, and provides transloading and storage for well servicing companies. The company was founded in 1963 and is headquartered in Dallas, TX.