Select Energy Services, Inc., an oilfield services company, provides water management and chemical solutions to the onshore oil and natural gas industry in the United States. The company operates through three segments: Water Services, Water Infrastructure, and Oilfield Chemicals. The Water Services segment provides water-related services, including water transfer, flow back and well testing, water containment, fluids hauling, water monitoring, and water network automation; technology solutions comprising hydrographic mapping, water volume and quality monitoring, remote pit and tank monitoring, leak detection, asset and fuel tracking, and automated-equipment services, as well as various on-site rental equipment and workforce accommodation services. The Water Infrastructure segment develops, builds, and operates semi-permanent and permanent infrastructure solutions to support oil and gas well development. The Oilfield Chemicals segment develops, manufactures, and provides a suite of chemicals, water treatment solutions, and services used in hydraulic fracturing, stimulation, cementing, production, pipelines, and well completions, including polymers, viscosity, crosslinkers, friction reducers, surfactants, buffers, breakers, and other chemical technologies to leading pressure pumping service companies. This segment also offers production chemical solutions for underperforming wells and ancillary oilfield services comprising corrosion and scale monitoring, chemical inventory management, well failure analysis, and lab services. Select Energy Services, Inc. was incorporated in 2016 and is headquartered in Houston, Texas.