Eagle Materials Inc. is a supplier of construction products, building materials and materials used for oil and natural gas extraction. The Company operates through five segments: Cement, Concrete and Aggregates, Gypsum Wallboard, Recycled Paperboard, and Oil and Gas Proppants. The Company's construction products are used in residential, industrial, commercial and infrastructure construction, and include cement, slag, concrete and aggregates. Its building materials include gypsum wallboard. Its basic material used for oil and natural gas extraction include frac sand and oil well cement. It sells cement in over six regional markets, including northern Nevada and California, the greater Chicago area, the Rocky Mountain region, the Central Plains region and Texas. It sells slag in the greater Chicago, Illinois area and the greater Midwest area. It has approximately three concrete and aggregates businesses. It also operates a recycled paperboard business.