TC Energy Corporation operates as an energy infrastructure company in North America. It operates through five segments: Canadian Natural Gas Pipelines; U.S. Natural Gas Pipelines; Mexico Natural Gas Pipelines; Liquids Pipelines; and Power and Storage. The company builds and operates 93,300 km network of natural gas pipelines, which transports natural gas from supply basins to local distribution companies, power generation plants, industrial facilities, interconnecting pipelines, LNG export terminals, and other businesses. It also has regulated natural gas storage facilities with a total working gas capacity of 535 billion cubic feet. In addition, it has approximately 4,900 km liquids pipeline system that connects Alberta crude oil supplies to refining markets in Illinois, Oklahoma, Texas, and the U.S. Gulf Coast. Further, the company owns or has interests in seven power generation facilities with a combined capacity of approximately 4,300 megawatts that are powered by natural gas and nuclear fuel sources located in Alberta, Ontario, Québec, and New Brunswick; and owns and operates approximately 118 billion cubic feet of non-regulated natural gas storage capacity in Alberta. The company was formerly known as TransCanada Corporation and changed its name to TC Energy Corporation in May 2019. TC Energy Corporation was incorporated in 1951 and is headquartered in Calgary, Canada.

Pembina Pipeline Corporation provides transportation and midstream services for the energy industry. It operates through three segments: Pipelines, Facilities, and Marketing & New Ventures. The Pipelines segment operates conventional, oil sands and heavy oil, and transmission assets with a transportation capacity of 3.1 millions of barrels of oil equivalent per day, ground storage of 11 millions of barrels, and rail terminalling capacity of approximately 105 thousands of barrels of oil equivalent per day serving markets and basins across North America. The Facilities segment offers infrastructure that provides customers with natural gas, condensate, and natural gas liquids (NGLs), including ethane, propane, butane, and condensate; and includes 354 thousands of barrels per day of NGL fractionation capacity, 21 millions of barrels of cavern storage capacity, and associated pipeline and rail terminalling facilities. The Marketing & New Ventures segment buys and sells hydrocarbon liquids and natural gas originating in the Western Canadian sedimentary basin and other basins. Pembina Pipeline Corporation was incorporated in 1954 and is headquartered in Calgary, Canada.

PetroChina Company Limited, together with its subsidiaries, engages in a range of petroleum related products, services, and activities in Mainland China and internationally. It operates through Exploration and Production, Refining and Chemicals, Marketing, and Natural Gas and Pipeline segments. The Exploration and Production segment engages in the exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment refines crude oil and petroleum products; and produces and markets primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment is involved in marketing of refined products and trading business. The Natural Gas and Pipeline segment engages in the transmission of natural gas, crude oil, and refined products; and sale of natural gas. As of December 31, 2020, the company had a total length of 31,151 km, including 22,555 km of natural gas pipelines, 7,190 km of crude oil pipelines, and 1,406 km of refined product pipelines. The company is also involved in the exploration, development, and production of oil sands and coalbed methane; trading of crude oil and petrochemical products; storage, chemical engineering, storage facilities, service station, and transportation facilities and related businesses; and production and sales of basic and derivative chemical, and other chemical products. The company was founded in 1999 and is headquartered in Beijing, the People's Republic of China. PetroChina Company Limited is a subsidiary of China National Petroleum Corporation.

ENN Energy Holdings Limited, an investment holding company, engages in the investment, construction, operation, and management of gas pipeline infrastructures; and integrated energy, and vehicle and ship refueling stations in the People's Republic of China. It operates through Retail Gas Sales Business, Integrated Energy Business, Wholesale of Gas, Construction and Installation, and Value Added Business segments. The company also sells and distributes piped gas, liquefied natural gas, and other multi-energy products; and provides other services in relation to energy supply. In addition, it is involved in the business of energy trading; retail of gas pipelines, and related materials and equipment; transportation of oil products and gas; and sourcing of compressed pipeline gas, as well as wholesale and retail of LNG, CNG, gas equipment, appliances, and others; and provision of financial services. As of December 31, 2020, the company served approximately 23.21 million residential customers and 177,128 commercial/industrial customers. The company was formerly known as XinAo Gas Holdings Limited and changed its name to ENN Energy Holdings Limited in September 2010. ENN Energy Holdings Limited was founded in 1992 and is headquartered in Langfang, China.

Neste Oyj provides renewable and oil products in Finland and other Nordic countries, Baltic Rim, other European countries, North and South America, and internationally. The company operates in four segments: Renewable Products, Oil Products, Marketing & Services, and Others. The Renewable Products segment produces, markets, and sells renewable diesel, renewable jet fuels and solutions, and renewable solvents, as well as raw material for bioplastics based on its technology to wholesale markets. The Oil Products segment produces, markets, and sells diesel fuel, gasoline, aviation and marine fuels, light and heavy fuel oils, base oils, gasoline components, small engine gasoline, solvents, liquid gases, and bitumen. This segment serves retailers and distributors, oil majors and trading companies, petrochemicals companies, and companies marketing lubricants and solvents. The Marketing & Services segment markets and sells petroleum products and associated services to private motorists, industry, transport companies, farmers, and heating oil customers through a network of 800 service station, as well as direct sales. The Others segment offers engineering and technology solutions. The company also manufactures raw materials for polymers and chemicals materials. The company was formerly known as Neste Oil Oyj and changed its name to Neste Oyj in June 2015. Neste Oyj was founded in 1948 and is headquartered in Espoo, Finland.

MOL Magyar Olaj- és Gázipari Nyilvánosan Muködo Részvénytársaság, together with its subsidiaries, operates as an integrated oil and gas company in Hungary and internationally. It operates through five business units: Upstream, Downstream, Consumer Services, Gas Midstream, and Corporate and Other. The company is involved in the refining, transportation, and storage of crude oil; wholesale and retail of crude oil products; geothermal energy production; natural gas transmission; feed water and raw water supply; water transportation; refinery and marketing of oil and petrochemical products; importing and exporting of energetical products; and warehousing and oil product storage activities. It also engages in the provision of transportation, fleet management, and financial services; marketing agency activities; production and distribution of electricity; and retail trade of fuels and lubricants. In addition, the company provides business, accounting, IT, and company services; construction and engineering, pipeline construction, and leasing services; technical consulting services; repair and maintenance services; investment management services; and real estate management services, as well as manufactures and sells machinery and equipment. Further, it engages in the mineral water production and distribution activities; exploration of hydrocarbon; and provides exploration financing, car sharing, firefighting, tourism, oilfield, and rental services. The company was incorporated in 1991 and is headquartered in Budapest, Hungary.

Petróleo Brasileiro S.A. - Petrobras produce and sells oil and gas in Brazil and internationally. It 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. The company operates through Exploration and Production; Refining, Transportation and Marketing; Gas and Power; and Corporate and Other Businesses segments. The Exploration and Production segment explores for, develops, and produces crude oil, natural gas liquids, and natural gas primarily for supplies to the its domestic refineries. The Refining, Transportation and Marketing segment engages in the refining, logistics, transport, marketing, and trading of crude oil and oil products; exportation of ethanol; and extraction and processing of shale, as well as holding interests in petrochemical companies. The Gas and Power segment engages in the logistic and trading of natural gas and electricity; generation of electricity through thermoelectric power plants; holding interests in transportation and distribution of natural gas; and fertilizer production business. The Corporate and Other Businesses segment produces biodiesel and its co-products, and ethanol; and distributes oil products. Petróleo Brasileiro S.A. - Petrobras was founded in 1953 and is headquartered in Rio de Janeiro, Brazil.

Reliance Industries Limited engages in hydrocarbon exploration and production, petroleum refining and marketing, petrochemicals, textile, retail, digital, and financial services businesses worldwide. The company produces and markets petroleum products, such as liquefied petroleum gas, propylene, naphtha, gasoline, jet/aviation turbine fuel, kerosene oil, diesel, Sulphur, and petroleum coke. It also provides petrochemicals, including high-density and low-density polyethylene (PE), linear low density PE, polyester fibers and yarns, polypropylene, polyvinyl chloride, polyester yarn, purified terephthalic acid, ethylene glycols and oxide, paraxylene, ortho xylene, benzene, linear alkyl benzene and paraffin, poly butadiene rubber, styrene butadiene rubber, butyl rubber, and polyethylene terephthalate. In addition, the company manufactures and markets yarns, fabrics, apparel, and auto furnishings; explores, develops, and produces crude oil and natural gas; and operates various stores comprising neighborhood, supermarket, hypermarket, wholesale cash and carry, specialty, online, pharmacy, and grocery stores, as well as stores that offer apparel, beauty and cosmetics, accessories, footwear, consumer electronics, connectivity products, and others. As of March 31, 2021, it operated 12,711 retail stores. Further, it provides range of digital services under the Jio brand name; and non-banking financial and insurance broking services. Further, it operates news and entertainment platforms, finance portals, fashion and lifestyle portals, and online ticket booking platforms, as well as Network18 and television channels; publishes magazines; and offers highway hospitality and fleet management services. The company was incorporated in 1973 and is based in Mumbai, India.

China Suntien Green Energy Corporation Limited, together with its subsidiaries, develops and utilizes clean energy in Mainland China. The company operates through three segments: Natural Gas, Wind/Solar Power, and Other. The Natural Gas segment sells natural gas and gas appliances, as well as provides construction and connection services for natural gas pipelines. The Wind/Solar Power segment engages in the development, management, and operation of wind farm and solar power plants; and generates and sells electric power for power grid companies. The Other segment engages in the property leasing business. As of December 31, 2020, the company owned 6 long-distance natural gas transmission pipelines, 18 high-pressure branch pipelines, 30 urban gas projects, 22 distribution stations, 18 gate stations, 7 compressed natural gas (CNG) primary filling stations, 7 CNG secondary filling stations, and 3 liquefied natural gas filling station. It also had wind power consolidated installed capacity of 5,471.95 megawatts (MW), as well as attributable installed capacity of 4,965.90 MW. It also engages in the provision of project investment, investment management, and technical development services; and investment and sale of solar energy appliances. The company was incorporated in 2010 and is headquartered in Shijiazhuang, the People's Republic of China.

Tourmaline Oil Corp. acquires, explores for, develops, and produces oil and natural gas properties in the Western Canadian Sedimentary Basin. It holds interests in properties located in the Alberta Deep Basin, Northeast British Columbia Montney, and the Peace River High Triassic oil complex. The company was incorporated in 2008 and is headquartered in Calgary, Canada.

Enerplus Corporation, together with subsidiaries, engages in the exploration and development of crude oil and natural gas in the United States and Canada. The company's oil and natural gas properties are located primarily in North Dakota, Montana, Colorado, and Pennsylvania; and Alberta, British Columbia, and Saskatchewan. As of December 31, 2019, it had proved plus probable gross reserves of approximately 9.0 million barrels (MMbbls) of light and medium crude oil; 22.3 MMbbls of heavy crude oil; 170.1 MMbbls of tight oil; 23.5 MMbbls of natural gas liquids; 23.2 billion cubic feet (Bcf) of conventional natural gas; and 1,173.9 Bcf of shale gas. Enerplus Corporation was founded in 1986 and is headquartered in Calgary, Canada.

Parkland Corporation operates as a marketer, distributor, and refiner of fuel and petroleum products in Canada, the United States, and internationally. The company operates through Canada, International, USA, Supply, and Corporate segments. The Canada segment supplies and supports a coast-to-coast network of 1,860 retail gas stations under the Ultramar, Esso, Fas Gas Plus, Chevron, Pioneer, and Race Trac as well as operates convenience stores under the On the Run/Marché Express brand. Additionally it offers bulk fuel, bulk and cylinder exchange propane, heating oil, lubricants, and other related products and services to commercial, industrial, and residential customers in various industries, such as oil and gas, construction, mining, forestry, fishing, and transportation under the Ultramar, Bluewave Energy, Pipeline Commercial, Chevron, Columbia Fuels, and Sparlings Propane brands. The International segment operates retail service stations under the Esso, Shell, and Sol brands; and delivers and supplies gasoline, diesel, fuel oil, propane, and lubricants to customers in various sectors, including power, oil and gas, and mining. The USA segment operates a network of gas stations; and delivers bulk fuel, lubricants, and other related products and services under the Farstad Oil, Rhinehart Oil, Tropic Oil, Superpumper, Harts, and On the Run brands. The Supply segment manufactures transportation fuels; transports, stores, and markets fuels, crude oil, and liquid petroleum gases; and manufactures and sells aviation fuel to airlines. This segment also engages in the wholesale, supply, and distribution business. The company was formerly known as Parkland Fuel Corporation and changed its name to Parkland Corporation in May 2020. The company was founded in 1977 and is headquartered in Calgary, Canada.

Whitecap Resources Inc., oil and gas company, acquires and develops petroleum and natural gas properties in Canada. Its principal properties are located in West Central Alberta, Northwest Alberta and British Columbia, Southeast Saskatchewan, West Central Saskatchewan, and Southwest Saskatchewan. As of February 24, 2021, it had a total proved plus probable reserves of 507,287 thousand barrels of oil equivalent. Whitecap Resources Inc. is headquartered in Calgary, Canada.

National Fuel Gas Company operates as a diversified energy company. It operates through four segments: Exploration and Production, Pipeline and Storage, Gathering, and Utility. The Exploration and Production segment explores for, develops, and produces natural gas and oil in California and in the Appalachian region of the United States. As of September 30, 2021, it had proved developed and undeveloped reserves of 21,537 thousand barrels of oil and 3,723,433 million cubic feet of natural gas. The Pipeline and Storage segment provides interstate natural gas transportation and storage services through an integrated gas pipeline system in Pennsylvania and New York; and owns and operates underground natural gas storage fields. This segment also transports natural gas for National Fuel Gas Distribution Corporation, as well as for other utilities, industrial companies, and power producers in New York State; and owns and operates the Empire Pipeline. The Gathering segment builds, owns, and operates natural gas processing and pipeline gathering facilities in the Appalachian region, as well as provides gathering services to Seneca Resources Company, LLC. The Utility segment sells natural gas or provides natural gas transportation services to approximately 753,000 customers in Buffalo, Niagara Falls, and Jamestown, New York; and Erie and Sharon, Pennsylvania. The company markets gas to industrial, wholesale, commercial, public authority, and residential customers primarily in western and central New York, and northwestern Pennsylvania. As of September 30, 2021, the company also owned approximately 95,000 acres of timber property; and managed approximately 2,500 additional acres of timber cutting rights. National Fuel Gas Company was incorporated in 1902 and is headquartered in Williamsville, New York.

Crescent Point Energy Corp. explores, develops, and produces light and medium crude oil and natural gas reserves in Western Canada and the United States. The company's crude oil and natural gas properties, and related assets are located in the provinces of Saskatchewan, Alberta, British Columbia, and Manitoba; and the states of North Dakota and Montana. Crescent Point Energy Corp. was incorporated in 1994 and is headquartered in Calgary, Canada.