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.

Enbridge Inc., together with its subsidiaries, operates as an energy infrastructure company. The company operates through five segments: Liquids Pipelines, Gas Transmission and Midstream, Gas Distribution and Storage, Renewable Power Generation, and Energy Services. The Liquids Pipelines segment operates pipelines and related terminals to transport various grades of crude oil and other liquid hydrocarbons in Canada and the United States. The Gas Transmission and Midstream segment invests in natural gas pipelines and gathering and processing facilities in Canada and the United States. The Gas Distribution and Storage segment is involved in natural gas utility operations serving residential, commercial, and industrial customers in Ontario, as well as natural gas distribution activities in Quebec. The Renewable Power Generation segment operates power generating assets, such as wind, solar, geothermal, waste heat recovery, and transmission assets in North America. The Energy Services segment provides physical commodity marketing and logistical services to refiners, producers, and other customers in Canada and the United States. The company was formerly known as IPL Energy Inc. and changed its name to Enbridge Inc. in October 1998. Enbridge Inc. was founded in 1949 and is headquartered in Calgary, Canada.

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.

Suncor Energy Inc. operates as an integrated energy company in Canada, the United States, and internationally. It operates through Oil Sands; Exploration and Production; and Refining and Marketing segments. The Oil Sands segment explores, develops, and produces bitumen, synthetic crude oil, and related products. This segment also engages in oil sands mining. The Exploration and Production segment is involved in offshore operations in the East Coast of Canada; and marketing and risk management of crude oil and natural gas. The Refining and Marketing segment engages in the refining of crude oil products; and distribution, marketing, transportation, and risk management of refined and petrochemical products, and other purchased products through the retail and wholesale networks. This segment is also involved in the trading of crude oil, refined products, natural gas, and power. The company was formerly known as Suncor Inc. and changed its name to Suncor Energy Inc. in April 1997. Suncor Energy Inc. was founded in 1917 and is headquartered in Calgary, Canada. Suncor Energy Inc.

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.

Petróleo Brasileiro S.A. - Petrobras explores, produces, and sells oil and gas in Brazil and internationally. The company operates through three segments: Exploration and Production; Refining, Transportation and Marketing; and Gas and Power. The Exploration and Production segment explores, develops, and produces crude oil, natural gas liquids, and natural gas primarily for supplies to the domestic refineries. The Refining, Transportation and Marketing segment engages in the refining, logistics, transport, acquisition, and exports of crude oil; and production of fertilizers, as well as holding interests in petrochemical companies. The Gas and Power segment is involved in the logistic and trading of natural gas and electricity; transportation and trading of LNG; generation of electricity through thermoelectric power plants; renewable energy businesses; low carbon services; and natural gas processing business, as well as production of biodiesel and its co-products. The company also engages in prospecting, drilling, refining, processing, trading, and transporting crude oil from producing onshore and offshore oil fields, and shale or other rocks, as well as oil products, natural gas, and other liquid hydrocarbons. In addition, it engages in research, development, production, transport, distribution, and trading of energy. Petróleo Brasileiro S.A. - Petrobras was incorporated in 1953 and is headquartered in Rio de Janeiro, Brazil.

Woodside Energy Group Ltd engages in the exploration, evaluation, development, production, and marketing of hydrocarbons in the Asia Pacific, Africa, the Americas, and the Europe. The company produces liquefied natural gas, pipeline gas, crude oil and condensate, and natural gas liquids. It holds interests in the Pluto LNG, North West Shelf, Wheatstone and Julimar-Brunello, Bass Strait, Ngujima-Yin FPSO, Okha FPSO, Pyrenees FPSO, Macedon, Shenzi, Mad dog, Greater Angostura, as well as Scarborough, Sangomar, Trion, Calypso, Browse, Liard, Atlantis, Woodside Solar opportunity, and Sunrise and Troubadour. The company involves in development of new energy products and carbon services. The company was formerly known as Woodside Petroleum Ltd and changed its name to Woodside Energy Group Ltd in May 2022. Woodside Energy Group Ltd was founded in 1954 and is headquartered in Perth, Australia.

Ecopetrol S.A. operates as an integrated energy company. The company operates through four segments: Exploration and Production; Transport and Logistics; Refining, Petrochemical and Biofuels; and Electric Power Transmission and Toll Roads Concessions. It engages in the exploration and production of oil and gas; transportation of crude oil, motor fuels, fuel oil, and other refined products, including diesel, jet, and biofuels; processing and refining crude oil; distribution of natural gas and LPG; sale of refined and petrochemical products; supplying of electric power transmission services; design, development, construction, operation, and maintenance of road and energy infrastructure projects; and supplying of information technology and telecommunications services. As of December 31, 2022, the company had approximately 9,127 kilometers of crude oil and multi-purpose pipelines. It also produces and commercializes polypropylene resins and compounds, and masterbatches; and offers industrial service sales to customers and specialized management services. It has operations in Colombia, the United States, Asia, Central America and the Caribbean, Europe, and South America. The company was formerly known as Empresa Colombiana de Petróleos and changed its name to Ecopetrol S.A. in June 2003. Ecopetrol S.A. was incorporated in 1948 and is headquartered in Bogotá, Colombia.