Eagle Materials Inc. is a supplier of heavy construction materials and light building materials in the United States. The Company's business is organized into two sectors within which there are four business segments. The Heavy Materials sector includes the Cement, and Concrete and Aggregates segments. The Light Materials sector includes the Gypsum Wallboard, and Recycled Paperboard segments. The Company's primary products are commodities that are essential in commercial and residential construction; public construction projects; and projects to build, expand, and repair roads and highways. It operates approximately eight modern cement plants, one slag grinding facility, and 29 cement distribution terminals. It operates approximately 26 ready-mix concrete batch plants and three aggregates processing plants in markets. The Company operates approximately five gypsum wallboard plants and a recycled paperboard mill.