Shell plc operates as an energy and petrochemical company Europe, Asia, Oceania, Africa, the United States, and Rest of the Americas. The company operates through Integrated Gas, Upstream, Marketing, Chemicals and Products, and Renewables and Energy Solutions segments. It explores for and extracts crude oil, natural gas, and natural gas liquids; markets and transports oil and gas; produces gas-to-liquids fuels and other products; and operates upstream and midstream infrastructure to deliver gas to market. The company also markets and trades natural gas, liquefied natural gas (LNG), crude oil, electricity, carbon-emission rights; and markets and sells LNG as a fuel for heavy-duty vehicles. In addition, it trades in and refines crude oil and other feed stocks, such as low-carbon fuels, lubricants, bitumen, sulphur, gasoline, diesel, aviation fuel, and marine fuel; produces and sells petrochemicals for industrial use; and manages oil sands activities. Further, the company produces base chemicals comprising ethylene, propylene, and aromatics, as well as intermediate chemicals, such as styrene monomer, propylene oxide, solvents, detergent alcohols, ethylene oxide, and ethylene glycol. Additionally, it generates electricity through wind and solar resources; produces and sells hydrogen; and provides electric vehicle charging services. The company was formerly known as Royal Dutch Shell plc and changed its name to Shell plc in January 2022. Shell plc was founded in 1907 and is headquartered in London, the United Kingdom.

TotalEnergies SE, a multi-energy company, produces and markets oil and biofuels, natural gas, green gases, renewables, and electricity in France, rest of Europe, North America, Africa, and internationally. It operates through five segments: Exploration & Production, Integrated LNG, Integrated Power, Refining & Chemicals, and Marketing & Services. The Exploration & Production segment is involved in the exploration and production of oil and natural gas. The Integrated LNG segment comprises the integrated gas chain, including upstream and midstream liquified natural gas (LNG) activities, as well as biogas, hydrogen, and gas trading activities. The Integrated Power segment includes generation, storage, electricity trading, and B2B-B2C distribution of gas and electricity. The Refining & Chemicals segment consists of refining, petrochemicals, and specialty chemicals. This segment also includes oil supply, trading, and marine shipping activities. The Marketing & Services segment supplies and markets petroleum products. The company was formerly known as TOTAL SE and changed its name to TotalEnergies SE in June 2021. TotalEnergies SE was founded in 1924 and is headquartered in Courbevoie, France.

ConocoPhillips explores for, produces, transports, and markets crude oil, bitumen, natural gas, liquefied natural gas (LNG), and natural gas liquids in the United States, Canada, China, Libya, Malaysia, Norway, the United Kingdom, and internationally. The company's portfolio includes unconventional plays in North America; conventional assets in North America, Europe, Asia, and Australia; global LNG developments; oil sands assets in Canada; and an inventory of global exploration prospects. ConocoPhillips was founded in 1917 and is headquartered in Houston, Texas.

Equinor ASA, an energy company, engages in the exploration, production, transportation, refining, and marketing of petroleum and other forms of energy in Norway and internationally. It operates through Exploration & Production Norway; Exploration & Production International; Exploration & Production USA; Marketing, Midstream & Processing; Renewables; and Other segments. The company also transports, processes, manufactures, markets, and trades in oil and gas commodities, such as crude and condensate products, gas liquids, natural gas, and liquefied natural gas; trades in power and emissions; operates refineries, terminals and processing, and power plants; and develops low carbon solutions for oil and gas. In addition, it develops carbon capture and storage projects; provides transportation solutions, including pipelines, shipping, trucking, and rail; and develops and explores for renewable energy, such as offshore wind, green hydrogen, and solar power. The company was formerly known as Statoil ASA and changed its name to Equinor ASA in May 2018. Equinor ASA was incorporated in 1972 and is headquartered in Stavanger, Norway.

Canadian Natural Resources Limited acquires, explores for, develops, produces, markets, and sells crude oil, natural gas, and natural gas liquids (NGLs). The company offers light and medium crude oil, primary heavy crude oil, Pelican Lake heavy crude oil, bitumen (thermal oil), and synthetic crude oil (SCO). The company's midstream assets include two pipeline systems; and a 50% working interest in an 84-megawatt cogeneration plant at Primrose. It operates primarily in Western Canada; the United Kingdom portion of the North Sea; and Offshore Africa. The company was formerly known as AEX Minerals Corporation and changed its name to Canadian Natural Resources Limited in December 1975. Canadian Natural Resources Limited was incorporated in 1973 and is headquartered in Calgary, Canada.

Eni S.p.A. operates as an integrated energy company worldwide. The company engages in exploration, development, extracting, manufacturing, and marketing crude oil and natural gas, oil-based fuels, chemical products, and gas-fired power, as well as energy products from renewable sources. It operates through Exploration & Production; Global Gas & LNG Portfolio (GGP); Enilive, Refining and Chemicals; Plenitude & Power; and Corporate and Other Activities segments. The company engages in research, development, and production of oil, condensates, and natural gas. It is also involved in the supply and sale of wholesale natural gas through pipeline; and international transport, and purchase and marketing of liquefied natural gas. In addition, the company supplies bio-feedstock and crude oil; and stores, produces, distributes, and markets biofuels, oil products, biomethane, basic chemical and petrochemical products, intermediates, plastics and elastomers, and other chemicals, as well as provides smart mobility solutions and mobility services. Further, it engages in the retail marketing of gas, electricity, and related services; production and wholesale sale of electricity from thermoelectric and renewable plants; and provision of services for E-mobility. The company was founded in 1953 and is headquartered in Rome, Italy.

Western Midstream Partners, LP, together with its subsidiaries, operates as a midstream energy company primarily in the United States. It is involved in gathering, compressing, treating, processing, and transporting natural gas; gathering, stabilizing, and transporting condensate, natural gas liquids (NGLs), and crude oil; and gathering and disposing produced water. The company also buys and sells natural gas, NGLs, and condensate. It operates assets located in Texas, New Mexico, the Rocky Mountains, and North-central Pennsylvania. Western Midstream Holdings, LLC operates as the general partner of the company. The company was formerly known as Western Gas Equity Partners, LP and changed its name to Western Midstream Partners, LP in February 2019. Western Midstream Partners, LP was incorporated in 2007 and is based in The Woodlands, Texas.

Obsidian Energy Ltd. engages in the exploration, production, and development of oil and natural gas properties in the Western Canada. The company was formerly known as Penn West Petroleum Ltd. and changed its name to Obsidian Energy Ltd. in June 2017. Obsidian Energy Ltd. is headquartered in Calgary, Canada.