FTS International, Inc., is a provider of oil and natural gas well stimulation services, specializing in high-pressure hydraulic fracturing. The Company’s fleets consist of mobile hydraulic fracturing units and other auxiliary heavy equipment to perform fracturing services. The Company also manufactures many of the components used in its hydraulic fracturing units, including consumables, such as fluid-ends. Its hydraulic fracturing units consist primarily of a high-pressure hydraulic pump, a diesel engine, a transmission and various hoses, valves, tanks and other supporting equipment that are typically mounted on a flat-bed trailer. The Company’s operations are focused primarily in unconventional oil and natural gas formations in the Permian Basin, the SCOOP/STACK Formation, the Marcellus/Utica Shale, the Eagle Ford Shale and the Haynesville Shale.