Chevron Corporation, through its subsidiaries, engages in the integrated energy and chemicals operations in the United States and internationally. The company operates in two segments, Upstream and Downstream. The Upstream segment is involved in the exploration, development, production, and transportation of crude oil and natural gas; processing, liquefaction, transportation, and regasification of liquefied natural gas; transportation of crude oil through pipelines; transportation, storage, and marketing of natural gas; and carbon capture and storage, as well as a gas-to-liquids plant. The Downstream segment refines crude oil into petroleum products; markets crude oil, refined products, and lubricants; manufactures and markets renewable fuels, commodity petrochemicals, plastics for industrial uses, and fuel and lubricant additives; and transports crude oil and refined products by pipeline, marine vessel, motor equipment, and rail car. The company was formerly known as ChevronTexaco Corporation and changed its name to Chevron Corporation in 2005. Chevron Corporation was founded in 1879 and is headquartered in San Ramon, California.

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.

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.

Cenovus Energy Inc., together with its subsidiaries, develops, produces, refines, transports, and markets crude oil, natural gas, and refined petroleum products in Canada and internationally. The company operates through Oil Sands, Conventional, Offshore, Canadian Refining, and U.S. Refining segments. The Oil Sands segment develops and produces bitumen and heavy oil in northern Alberta and Saskatchewan. This segment assets include Foster Creek, Christina Lake, and Sunrise projects, as well as Lloydminster thermal and conventional heavy oil assets. The Conventional segment holds natural gas liquids and natural gas assets primarily located in Elmworth-Wapiti, Kaybob-Edson, Clearwater, and Rainbow Lake operating in Alberta and British Columbia, as well as interests in various natural gas processing facilities. The offshore segment engages in offshore operation, exploration, and development activities in China and the East Coast of Canada. The Canadian Refining segment owns and operates Lloydminster upgrading and asphalt refining complex, which converts heavy oil and bitumen into synthetic crude oil, diesel, asphalt, and other ancillary products, as well as Bruderheim crude-by-rail terminal and ethanol plants. The U.S. Refining segment refines crude oil to produce gasoline, diesel, jet fuel, asphalt, and other products. Cenovus Energy Inc. is headquartered in Calgary, Canada.

Veren Inc. explores, develops, and produces oil and gas properties in Canada and the United States. The company focuses on crude oil, tight oil, natural gas liquids, shale gas, and natural gas reserves. Its properties are located in the provinces of Saskatchewan, Alberta, British Columbia, and Manitoba; and the states of North Dakota. The company was formerly known as Crescent Point Energy Corp. and changed its name to Veren Inc. in May 2024. Veren Inc. was incorporated in 1994 and is headquartered in Calgary, Canada.

Imperial Oil Limited engages in exploration, production, and sale of crude oil and natural gas in Canada. The company operates through three segments: Upstream, Downstream and Chemical segments. The Upstream segment explores and produces crude oil, natural gas, synthetic crude oil, and bitumen. The Downstream segment transports and refines crude oil, blends refined products, and distributes and markets of refined products. It transports crude oil production and third-party crude oil to refineries by contracted pipelines, common carrier pipelines, and rail; owns and operates refineries; maintains a distribution system to move petroleum products to market by pipeline, tanker, rail, and road transport; owns and operates fuel terminals, natural gas liquids, and products pipelines in Alberta, Manitoba, and Ontario; markets petroleum products under the Esso and Mobil brand names; and sells petroleum products, including fuel, asphalt, and lubricants to industrial and transportation customers, independent marketers, resellers, and other refiners, as well as the agriculture, residential heating, and commercial markets through branded fuel and lubricant resellers. The Chemical segment manufactures and markets benzene, aromatic and aliphatic solvents, plasticizer intermediates, and polyethylene resin; and markets refinery grade propylene. The company was incorporated in 1880 and is headquartered in Calgary, Canada. Imperial Oil Limited is a subsidiary of Exxon Mobil Corporation.

Crescent Point Energy Corp. explores, develops, and produces oil and gas properties in Canada and the United States. The company focuses on crude oil, tight oil, natural gas liquids, shale gas, and natural gas reserves. Its properties are located in the provinces of Saskatchewan, Alberta, British Columbia, and Manitoba; and the states of North Dakota. Crescent Point Energy Corp. was incorporated in 1994 and is headquartered in Calgary, Canada.