United States Lime & Minerals, Inc. engages in manufacture and sale of lime and limestone products. It operates through the Lime and Limestone Operations and Natural Gas Interests segments. The Lime and Limestone Operations segment supplies the construction, environmental, industrial, metals, roof shingle, oil and gas services, and agriculture industries. The Natural Gas Interests segment consists of royalty and non-operating working interests in natural gas wells. The company was founded in 1948 and is headquartered in Dallas, TX.