Halliburton Company provides products and services to the energy industry worldwide. It operates through two segments, Completion and Production, and Drilling and Evaluation. The Completion and Production segment offers production enhancement services that include stimulation and sand control services; cementing services, such as well bonding and casing, and casing equipment; and completion tools that offer downhole solutions and services, including well completion products and services, intelligent well completions, and service tools, as well as liner hanger, sand control, and multilateral systems. This segment also provides electrical submersible pumps, as well as artificial lift services; production solutions comprising coiled tubing, hydraulic workover units, downhole tools, and pumping and nitrogen services; pipeline and process services, such as pre-commissioning, commissioning, maintenance, and decommissioning; and specialty chemicals and services. The Drilling and Evaluation segment offers drilling fluid systems, performance additives, completion fluids, solids control, specialized testing equipment, and waste management services; drilling systems and services; wireline and perforating services consists of open-hole logging, and cased-hole and slickline; and drill bits and services comprising roller cone rock bits, fixed cutter bits, hole enlargement, and related downhole tools and services, as well as coring equipment and services. This segment also provides cloud based digital services and artificial intelligence solutions on an open architecture for subsurface insights, integrated well construction, and reservoir and production management; testing and subsea services, such as acquisition and analysis of reservoir information and optimization solutions; and project management and integrated asset management services. Halliburton Company was founded in 1919 and is based 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.

Precision Drilling Corporation, a drilling company, provides onshore drilling, completion, and production services to exploration and production companies in the oil and natural gas and geothermal industries in North America and the Middle East. The company operates through Contract Drilling Services and Completion and Production Services segments. The Contract Drilling Services segment offers onshore well drilling services to exploration and production companies in the geothermal, oil and natural gas industry. This segment offers services include land and turnkey drilling; and procurement and distribution of oilfield supplies, as well as manufacture and repair of drilling and service rig equipment. In addition, it operates land drilling rigs in Canada, the United States, and the Middle East, as well as operates AlphaAutomation, AlphaApps, and AlphaAnalytics data services. The company offers EverGreen suite of environmental solutions comprising EverGreenMonitoring, EverGreenEnergy, and EverGreen Fuel Cell. The Completion and Production Services segment provides service rigs for well completion, workover, abandonment, maintenance, and re-entry preparation services; equipment rentals; and camp and catering services to oil and natural gas exploration and production companies. This segment operates well completion and workover service rigs in Canada and the United States. Precision Drilling Corporation was founded in 1951 and is headquartered in Calgary, Canada.

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.

Forum Energy Technologies, Inc. designs, manufactures, and distributes products serving the oil, natural gas, industrial, and renewable energy industries in the United States and internationally. It operates through three segments: Drilling & Downhole, Completions, and Production. The Drilling & Downhole segment designs, manufactures, and supplies products, and provides related services to the drilling, well construction, artificial lift, and subsea energy construction and services markets, including applications in oil and natural gas, renewable energy, defense, and communications. This segment offers drilling technologies consisting of capital equipment and a line of products consumed in the drilling process; well construction casing and cementing equipment, and products for artificial lift equipment and cables; and subsea remotely operated vehicles and trenchers, submarine rescue vehicles, specialty components and tools, and technical services. The Completions segment offers hydraulic fracturing pumps, cooling systems, high-pressure flexible hoses, and flow iron for pressure pumping markets; wireline cable and pressure control equipment for well completion and intervention service markets; and coiled tubing strings and coiled line pipe and related services. The Production segment designs, manufactures, and supplies products, and provides related equipment and services for production and infrastructure markets. This segment offers engineered process systems, production equipment, specialty separation equipment, and various industrial valves for oil and natural gas customers, power generation, renewable energy, and other general industrial applications. The company was formerly known as Forum Oilfield Technologies, Inc. and changed its name to Forum Energy Technologies, Inc. in August 2010. Forum Energy Technologies, Inc. was incorporated in 2005 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.

Independence Contract Drilling, Inc. provides land-based contract drilling services for oil and natural gas producers in the United States. It operates a fleet of pad-optimal and superspec AC powered rigs in the Permian Basin and the Haynesville Shale. The company was incorporated in 2011 and is headquartered in Houston, Texas.