Energy Transfer LP provides energy-related services. The company owns and operates natural gas transportation pipeline, and natural gas storage facilities in Texas and Oklahoma; and approximately 20,090 miles of interstate natural gas pipeline. It also sells natural gas to electric utilities, independent power plants, local distribution and other marketing companies, and industrial end-users. In addition, the company owns and operates natural gas gathering pipelines, processing plant, and treating and conditioning facilities in Texas, New Mexico, West Virginia, Pennsylvania, Ohio, Oklahoma, Arkansas, Kansas, Montana, North Dakota, Wyoming, and Louisiana; natural gas gathering, oil pipeline, and oil stabilization facilities in South Texas; and transports and supplies water to natural gas producer in Pennsylvania. Further, it owns 5,700 miles of natural gas liquid (NGL) pipeline; NGL fractionation facilities; NGL storage facilities; and other NGL storage assets and terminal. Additionally, the company provides crude oil transportation, terminalling, acquisition, and marketing activities; owns and operates approximately 14,500 miles of crude oil trunk and gathering pipelines in the Southwest, Midcontinent, and Midwest United States; and sells and distributes gasoline, middle distillate, and motor fuels and other petroleum products. It also offers natural gas compression services; carbon dioxide and hydrogen sulfide removal services; and manages coal and natural resources properties, as well as sells standing timber, leases coal-related infrastructure facilities, collects oil and gas royalty, and generate electrical power. The company was formerly known as Energy Transfer Equity, L.P. and changed its name to Energy Transfer LP in October 2018. Energy Transfer LP was founded in 1996 and is headquartered in Dallas, Texas.

EnLink Midstream, LLC provides midstream energy services in the United States. The company operates through Permian, Louisiana, Oklahoma, North Texas, and Corporate segments. It is involved in gathering, compressing, treating, processing, transporting, storing, and selling natural gas; fractionating, transporting, storing, and selling natural gas liquids; and gathering, transporting, stabilizing, storing, trans-loading, and selling crude oil and condensate, as well as providing brine disposal services. In addition, the company's midstream energy asset network includes natural gas processing plants; fractionators; barge and rail terminals; product storage facilities; and brine disposal wells. EnLink Midstream, LLC was incorporated in 2013 and is based in Dallas, Texas.

Archrock, Inc., together with its subsidiaries, operates as an energy infrastructure company in the United States. The company operates in two segments, Contract Operations and Aftermarket Services. It engages in the designing, sourcing, owning, installing, operating, servicing, repairing, and maintaining of its owned fleet of natural gas compression equipment to provide natural gas compression services. The company also sells over-the-counter parts and components; and provides operations, major and routine maintenance, overhaul, and reconfiguration services to customers who own compression equipment. It serves integrated and independent oil and natural gas processors, gatherers, and transporters. The company was formerly known as Exterran Holdings, Inc. and changed its name to Archrock, Inc. in November 2015. Archrock, Inc. was founded in 1990 and is headquartered in Houston, Texas.

Kodiak Gas Services, Inc. operates contract compression infrastructure for customers in the oil and gas industry in the United States. It operates in two segments, Compression Operations and Other Services. The Compression Operations segment operates company-owned and customer-owned compression infrastructure to enable the production, gathering, and transportation of natural gas and oil. The Other Services segment provides a range of contract services, including station construction, maintenance and overhaul, and other ancillary time and material-based offerings. The company was formerly known as Frontier TopCo, Inc. Kodiak Gas Services, Inc. was founded in 2010 and is headquartered in The Woodlands, Texas.

USA Compression Partners, LP provides natural gas compression services in the United States. It offers compression services to oil companies and independent producers, processors, gatherers, and transporters of natural gas and crude oil. The company focuses on providing natural gas compression services to infrastructure applications, including centralized natural gas gathering systems and processing facilities, as well as gas lift applications for crude oil wells. As of December 31, 2023, it had 3,775,660 horsepower in its fleet. USA Compression Partners, LP was founded in 1998 and is headquartered in Austin, Texas.

National Energy Services Reunited Corp. provides oilfield services in the Middle East and North Africa region. The company's Production Services segment offers hydraulic fracturing services; coiled tubing services, including nitrogen lifting, fishing, milling, clean-out, scale removal, and other well applications; stimulation and pumping services; primary and remedial cementing services; nitrogen services; filtration services, as well as frac tanks and pumping units; and pipeline and industrial services, such as water filling and hydro testing, nitrogen purging, and de-gassing and pressure testing, as well as cutting/welding and cooling down piping/vessels systems. This segment also provides production assurance chemicals; integrated project management projects; artificial lift services; and surface and subsurface safety systems, high-pressure packer systems, flow controls, service tools, expandable liner technology, vacuum insulated tubing technology for steam applications, and engineering capabilities with manufacturing capacity and testing facilities, as well as sources and treats water for oil and gas, municipal, and industrial use. Its Drilling and Evaluation Services segment offers drilling and workover rigs; rigs and integrated services; fishing and remediation solutions; directional and turbines drilling; drilling fluid systems and related technologies; wireline logging; slickline services for removal of scale, wax and sand build-up, setting plugs, changing out gas lift valves, and fishing and other well applications; and well testing services to measure solids, gas, and oil and water produced from well, as well as rents drilling tools. This segment also provides oilfield solutions for thru-tubing intervention; tubular running services; and a range of wellhead products, flow control equipment, and frac equipment. National Energy Services Reunited Corp. was incorporated in 2017 and is headquartered in Houston, Texas.

Ranger Energy Services, Inc. provides onshore high specification well service rigs, wireline services, and complementary services to exploration and production companies in the United States. It operates through three segments: High Specification Rigs, Wireline Services, and Processing Solutions and Ancillary Services. The High Specification Rigs segment offers well service rigs and complementary equipment and services to facilitate operations throughout the lifecycle of a well; and well maintenance services. This segment also has a fleet of 402 well service rigs. The Wireline Services segment provides wireline production and intervention services to provide information to identify and resolve well production problems through cased hole logging, perforating, mechanical, and pipe recovery services; wireline completion services that are used primarily for pump down perforating operations to create perforations or entry holes through the production casing; and pumping services. This segment also has a fleet of 66 wireline units and 29 high-pressure pump trucks. The Processing Solutions and Ancillary Services segment rents well service-related equipment consisting of fluid pumps, power swivels, well control packages, hydraulic catwalks, frac tanks, pipe racks, and pipe handling tools; and coiled tubing, decommissioning, and snubbing services, as well as provides proprietary and modular equipment for the processing of natural gas streams. This segment also engages in the rental, installation, commissioning, start up, operation, and maintenance of mechanical refrigeration units, nitrogen gas liquid stabilizer units, nitrogen gas liquid storage units, and related equipment. Ranger Energy Services, Inc. was incorporated in 2017 and is headquartered in Houston, Texas.

CSI Compressco LP provides contract services for natural gas compression and treating in the United States, Latin America, Canada, Egypt, and internationally. The company offers natural gas compression services through low-, medium-, and high-horsepower compressor packages for oil and natural gas production, gathering, artificial lift, transmission, processing, and storage. It also provides treating services for natural gas producers and midstream companies, including providing equipment for lease or sale, equipment installation services, and the operation of equipment for removal of contaminants from a natural gas stream, and natural gas cooling to reduce the temperature of produced gas and liquids; well monitoring and sand separation services; and operation, maintenance, overhaul, and reconfiguration services for compression equipment. In addition, the company sells engine parts, compressor package parts, and other parts manufactured by third-party suppliers. The company was formerly known as Compressco Partners, L.P. and changed its name to CSI Compressco LP in December 2014. CSI Compressco LP was incorporated in 2008 and is headquartered in The Woodlands, Texas.