Kinder Morgan, Inc. operates as an energy infrastructure company primarily in North America. The company operates through Natural Gas Pipelines, Products Pipelines, Terminals, and CO2 segments. The Natural Gas Pipelines segment owns and operates interstate and intrastate natural gas pipeline, and storage systems; natural gas gathering systems and natural gas processing and treating facilities; natural gas liquids fractionation facilities and transportation systems; and liquefied natural gas gasification, liquefaction, and storage facilities. The Products Pipelines segment owns and operates refined petroleum products, and crude oil and condensate pipelines; and associated product terminals and petroleum pipeline transmix facilities. The Terminals segment owns and/or operates liquids and bulk terminals that stores and handles various commodities, including gasoline, diesel fuel, renewable fuel and feedstocks, chemicals, ethanol, metals, and petroleum coke; and owns tankers. The CO2 segment produces, transports, and markets CO2 to recovery and production crude oil from mature oil fields; owns interests in/or operates oil fields and gasoline processing plants; and operates a crude oil pipeline system in West Texas, as well as owns and operates RNG and LNG facilities. It owns and operates approximately 82,000 miles of pipelines and 139 terminals. The company was formerly known as Kinder Morgan Holdco LLC and changed its name to Kinder Morgan, Inc. in February 2011. Kinder Morgan, Inc. was founded in 1997 and is headquartered in Houston, Texas.

Tenaris S.A., together with its subsidiaries, manufactures and distributes steel pipes for the energy industry and other industrial applications in North America, South America, Europe, the Middle East and Africa, and the Asia Pacific. The company offers steel casings to sustain the walls of oil and gas wells during and after drilling; steel tubing for conducting crude oil and natural gas to the surface after drilling has been completed; steel line pipes to transport crude oil and natural gas from wells to refineries, storage tanks and loading and distribution centers; and mechanical and structural pipes for the transportation of other forms of gas and liquids under high pressure. It also provides cold-drawn pipes for use in boilers, superheaters, condensers, heat exchangers, automobile production, and other industrial applications; premium joints and couplings for use in high temperature or high pressure environments under the TenarisHydril, Atlas Bradford, Ultra, and TORQ brands; coiled tubing is used for oil and gas drilling and well workovers and for subsea pipelines; and sucker rods used in oil extraction activities, tubes used for plumbing and construction applications, oilfield / hydraulic fracturing services, and coating services. In addition, the company engages in the development, management, and licensing of intellectual property. Tenaris S.A. was incorporated in 2001 and is based in Luxembourg City, Luxembourg. Tenaris S.A. operates as a subsidiary of Techint Holdings S.à r.l.

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.

Cactus, Inc., together with its subsidiaries, designs, manufactures, sells, and leases pressure control and spoolable pipes in the United States, Australia, Canada, the Middle East, and internationally. It operates through two segments, Pressure Control and Spoolable Technologies. The Pressure Control segment designs, manufactures, sells, and rents a range of wellhead and pressure control equipment under the Cactus Wellhead brand name through service centers. Its products are sold and rented primarily for onshore unconventional oil and gas wells for drilling, completion, and production phases of the wells. This segment also provides field services to install, maintain, and handle the equipment. The Spoolable Technologies segment designs, manufactures, and sells spoolable pipes and associated end fittings under the FlexSteel brand name. Its products are primarily used to transport oil, gas, and other liquids. This segment also provides field services and rental items through service centers and pipe yards, as well as offers equipment and services internationally. In addition, the company offers repair and refurbishment services. Cactus, Inc. was founded in 2011 and is headquartered in Houston, Texas.

MRC Global Inc., through its subsidiaries, distributes pipes, valves, fittings, and other infrastructure products and services in the United States, Canada, and internationally. It offers ball, butterfly, gate, globe, check, diaphragm, needle, and plug valves; other products, such as lined corrosion resistant piping systems, control valves, valve automation, and top work components; and valve modification services, including valve control extensions, welding, hydrotesting, painting, coating, x-raying, and actuation assembly. The company also provides carbon steel fittings and flanges comprising carbon weld fittings, flanges, and piping components; stainless steel, alloy and corrosion resistant pipes, tubing, fittings, and flanges; and carbon line pipes. In addition, it offers natural gas distribution products, including risers, meters, polyethylene pipes and fittings, and various other components and industrial supplies; oilfield and industrial supplies and completion equipment, such as high density polyethylene pipes, fittings, and rods; and specialized production equipment comprising tanks and separators. Further, the company provides various services under the ValidTorque and FastTrack names. Its products are used in the construction, maintenance, repair, and overhaul of equipment used in extreme operating conditions, including high pressure, high/low temperature, and high corrosive and abrasive environments. The company was formerly known as McJunkin Red Man Holding Corporation and changed its name to MRC Global Inc. in January 2012. MRC Global Inc. was founded in 1921 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.

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.

NCS Multistage Holdings, Inc. provides engineered products and support services for oil and natural gas well completions and construction, and field development strategies in the United States, Canada, and internationally. It offers fracturing systems, which include casing-installed sliding sleeves, downhole frac isolation assemblies, and sand jet perforating products; enhanced recovery products, such as sliding sleeve, as well as Terrus system, an injection control device; repeat precision products comprising composite frac plugs and bridge plugs, single-use disposable setting tools, express systems, and related products; chemical and radioactive tracer diagnostics services; and well construction products, including AirLock casing buoyancy system, Vecturon and Vectraset liner hanger systems, and Toe initiation sleeves. It offers its products and services primarily to exploration and production companies for use in onshore wells through technically-trained sales force, and operating partners or sales representatives. The company was formerly known as Pioneer Super Holdings, Inc. and changed its name to NCS Multistage Holdings, Inc. in December 2016. NCS Multistage Holdings, Inc. was founded in 2006 and is headquartered in Houston, Texas.