United States Lime & Minerals, Inc. manufactures and supplies lime and limestone products in the United States. The company extracts limestone from open-pit quarries and an underground mine, and processes it as pulverized limestone, quicklime, hydrated lime, and lime slurry. It supplies its products primarily to the construction customers, including highway, road, and building contractors; industrial customers, such as paper and glass manufacturers; environmental customers comprising municipal sanitation and water treatment facilities, and flue gas treatment processes; steel producers; oil and gas services companies; roof shingle manufacturers; and poultry and cattle feed producers. The company also has various royalty interests and non-operating working interests with respect to oil and gas rights in natural gas wells located in Johnson County, Texas in the Barnett Shale Formation. United States Lime & Minerals, Inc. was founded in 1948 and is headquartered in Dallas, Texas.