NGS vs WTTR

Natural Gas Services Group Inc.

Natural Gas Services Group, Inc. provides natural gas compression services and equipment to the energy industry in the United States. It fabricates, manufactures, rents, and sells natural gas compressors and related equipment. The company primarily engages in the rental of compression units that provide small, medium, and large horsepower applications for unconventional oil and natural gas production. As of December 31, 2020, the company had 2,224 natural gas compression units in its rental fleet with 438,524 horsepower. The company also engages in the design, fabrication, and assembly of compressor components into compressor units for rental or sale; engineers and fabricates natural gas compressors; and designs and manufactures a line of reciprocating compressor frames, cylinders, and parts. In addition, it is involved in the design, fabrication, sale, installation, and service of flare stacks and related ignition and control devices for the onshore and offshore incineration of gas compounds, such as hydrogen sulfide, carbon dioxide, natural gas, and liquefied petroleum gases. Further, the company offers customer support services for its compressor and flare sales business; an exchange and rebuild program for small horsepower screw compressors; and maintains an inventory of new and used compressors. Its primary customers are exploration and production(E&P) companies that utilize compressor units for artificial lift applications; E&P companies that focuses on natural gas-weighted production; and midstream companies. Natural Gas Services Group, Inc. was incorporated in 1998 and is headquartered in Midland, Texas.

Select Water Solutions Inc.

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.