Eagle Materials Inc was incorporated in 1936 in Delaware. The Company manufactures and distributes building products used in residential, industrial, commercial, and infrastructure construction in the United States. The Company operates in four segments namely Cement, Gypsum Wallboard, Recycled Paperboard, and Concrete and Aggregates. The Cement segment is involved in the mining of limestone; and manufacture, production, distribution, and sale of Portland cement. The Gypsum Wallboard segment engages in the mining of gypsum; and manufacture and sale of gypsum wallboard used to finish the interior walls and ceilings in residential, commercial, and industrial structures. The Recycled Paperboard is involved in the manufacture and sale of recycled paperboard to gypsum wallboard manufacturers and other industrial users. This segment also offers containerboard grades, lightweight packaging grades, and recycled industrial paperboard grades. The Concrete and Aggregates segment engages in the sale of readymix concrete; and mining, extraction, production, and sale of crushed stone, sand, and gravel, as well as lightweight aggregates, such as expanded clays and shales. These products are used primarily in commercial and residential construction, and public construction projects, as well as projects to build, expand, and repair roads and highways.