U.S. Silica Holdings Incorporated is an industrial minerals and logistics company. It produces commercial silica used in the oil and gas industry and in a range of industrial applications. It serves the oil and gas market by providing fracturing sand (frac sand), which is pumped down wells to prop open rock fissures and increase the flow rate of oil and natural gas. U.S. Silica was incorporated in 2008 and is headquartered in Katy, TX.