TechnipFMC plc engages in the energy projects, technologies, and systems and services businesses in Europe, Central Asia, North America, Latin America, the Asia Pacific, Africa, the Middle East, and internationally. It operates through two segments: Subsea and Surface Technologies. The Subsea segment engages in the design, engineering, procurement, manufacturing, fabrication, installation, and life of field services for subsea systems, subsea field infrastructure, and subsea pipe systems used in oil and gas production and transportation. It provides subsea production and processing system; flexible pipe; subsea umbilicals, risers, and flowlines; vessels; robotics; well and asset services; and Subsea Studio for optimizing the development, execution, and operation of current and future subsea fields. The Surface Technologies segment designs, manufactures, and services products and systems used in land and shallow water exploration and production of crude oil and natural gas. This segment offers drilling; surface wellheads and production trees systems; iComplete, a pressure control system; fracturing tree and manifold systems; flexible pipes; safety and integrity systems, multiphase meter modules, in-line separation and processing systems, and standard pumps; well control and integrity systems; separation and processing systems; skid systems; and flow measurement and automation solutions. It also offers planning, testing and installation, commissioning, operations, replacement and upgrade, maintenance, storage, preservation, intervention, integrity, decommissioning, and abandonment; and supplies flowline products and services. TechnipFMC plc was founded in 1884 and is headquartered in Houston, Texas.

Weatherford International plc, an energy services company, provides equipment and services for the drilling, evaluation, completion, production, and intervention of oil, geothermal, and natural gas wells worldwide. The company operates through three segments: Drilling and Evaluation; Well Construction and Completions; and Production and Intervention. It offers artificial lift systems, including reciprocating rod, progressing cavity pumping, gas, hydraulic, plunger, and hybrid lift systems, as well as related automation and control systems; pressure pumping and reservoir stimulation services, such as acidizing, fracturing, cementing, and coiled-tubing intervention; and software, automation and flow measurement solutions. The company also provides safety, downhole reservoir monitoring, flow control, and multistage fracturing systems, as well as sand-control technologies, and production and isolation packers; liner hangers to suspend a casing string in high-temperature and high-pressure wells; cementing products, including plugs, float and stage equipment, and torque-and-drag reduction technology for zonal isolation; and pre-job planning and installation services. In addition, it offers directional drilling services, and logging and measurement services while drilling; services related to rotary-steerable systems, high temperature and high pressure sensors, drilling reamers, and circulation subs; rotating control devices and advanced automated control systems, as well as closed loop drilling, air drilling, managed-pressure drilling, and underbalanced drilling services; open-hole and cased-hole logging services; and intervention and remediation services. Further, it provides tubular handling, management, and connection services; and re-entry, fishing, and well abandonment services, as well as patented bottom hole, tubular-handling equipment, pressure-control equipment, and drill pipe and collars. The company was incorporated in 1972 and is based in Houston, Texas.

Patterson-UTI Energy, Inc., through its subsidiaries, engages in the provision of contract drilling services to oil and natural gas operators in the United States and internationally. It operates through three segments: Drilling Services, Completion Services, and Drilling Products. The Contract Drilling Services segment provides contract and directional drilling services in onshore oil and natural gas basins, as well as engages in the service and re-certification of equipment for drilling contractors, and provision of electrical controls and automation to the energy, marine and mining industries. The Completion Services segment offers services for hydraulic fracturing, wireline and pumping, completion support, and cementing; and involved in the power solutions natural gas fueling, and logistics and storage businesses. The Drilling Products segment manufactures and distributes drill bits for energy and mining markets. It also provides software and services, such as MWD Survey FDIR, a data analytics technology to analyze MWD survey data in real-time and identify the position of a well; HiFi Nav, which enhances FDIR by targeting improved vertical placement of the directional well within the reservoir; HiFi Guidance, utilizes trajectory optimization to determine optimal steering recommendations and placement within the reservoir; and rents oilfield tools. The company was founded in 1978 and is headquartered in Houston, 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.

Oil States International, Inc., through its subsidiaries, provides engineered capital equipment and products for the energy, industrial, and military sectors worldwide. The company operates through three segments: Well Site Services, Downhole Technologies, and Offshore/Manufactured Products. The Well Site Services segment offers a range of equipment and services that are used to drill for, establish, and maintain the flow of oil and natural gas from a well throughout its lifecycle. It also provides wireline support, frac stacks, isolation tools, downhole and extended reach activity, well testing and flowback operations, sand control, and land drilling services. The Downhole Technologies segment provides oil and gas perforation systems, and downhole tools in support of completion, intervention, wireline, and well abandonment operations. This segment also designs, manufactures, and markets its consumable engineered products to oilfield service, and exploration and production companies. The Offshore/Manufactured Products segment designs, manufactures, and markets capital equipment utilized on floating production systems, subsea pipeline infrastructure, and offshore drilling rigs and vessels. Its products include flexible bearings, advanced connector systems, high-pressure riser systems, managed pressure drilling systems, deepwater mooring systems, cranes, subsea pipeline products, and blow-out preventer stack integration products. This segment also provides short-cycle products, such as valves, elastomers, and other specialty products that are used in the land-based drilling and completion markets; and other products for use in industrial, military, alternative energy, and other applications. In addition, it offers specialty welding, fabrication, cladding and machining, offshore installation, and inspection and repair services. The company was incorporated in 1995 and is headquartered in Houston, Texas.

Drilling Tools International Corporation provides oilfield equipment and services to oil and natural gas sectors in North America, Europe, and the Middle East. It offers downhole tool rentals, machining, and inspection services to support the global drilling and wellbore construction industry. The company also provides products are bottom hole assembly components, such as stabilizers, subs, non-magnetic and steel drill collars, hole openers, and roller reamers, as well as drill pipe and drill pipe accessories; ancillary equipment and handling tools to support its rental platform, including float valves, ring gauges, tool baskets, lift bail, lift subs, mud magnets, elevators, bracket and bail assemblies, slips, tongs, stabbing guides and safety clamps; and blowout preventers, and pressure control accessory equipment. In addition, it offers tool rental services, which consists of rental, inspection, machining, and repair services; rents downhole drilling tools used in horizontal and directional drilling of oil and natural gas; rents kellys, pip joints, work strings; maintains a fleet of rental equipment consisting of drill collars, stabilizers, crossover subs, wellbore conditioning tools, drill pipe, hevi-wate drill pipe, and tubing; rents surface control equipment, such as blowout preventers and handling tools; and provides downhole products for producing wells. Drilling Tools International Corporation is headquartered in Houston, Texas.

KLX Energy Services Holdings, Inc. provides drilling, completions, production, and well intervention services and products to the onshore oil and gas producing regions of the United States. The company operates through three segments: Southwest, Rocky Mountains, and Northeast/Mid-Con. It provides directional drilling services; downhole navigational and rental tools businesses and support services, including well planning, site supervision, accommodation rentals, and other drilling rentals; and various technologies, including gamma ray, azimuthal gamma ray, real-time continuous inclination and azimuth, rotary steerable, pressure-while-drilling, mode shifting, stick-slip and destructive dynamics, dynamic sequencing and real-time shock, and vibration modules. The company also offers coiled tubing and nitrogen services; wireline services, including pump down perforating, logging, and pipe recover; pressure control products and services; wellhead and hydraulic fracturing rental products and services; flowback and testing services; thru-tubing technologies and services; rig assist snubbing services; cementing products and services; acidizing and pressure pumping services; and downhole completion tools, such as toe sleeves, wet shoe cementing bypass subs, composite plugs, dissolvable plugs, liner hangers, stage cementing tools, inflatables, float and casing equipment, and retrievable completion tools. In addition, it provides production services comprising maintenance-related intervention services; production blow out preventers; mechanical wireline services; slick line services; hydro-testing services; premium tubulars; and other specialized production tools. Further, the company provides intervention services consisting of technicians and equipment that are focused on providing customers engineered solutions to downhole complications. KLX Energy Services Holdings, Inc. was incorporated in 2018 and is headquartered in Houston, Texas.