Sunoco LP is an American master limited partnership organized under Delaware state laws and headquartered in Dallas, Texas. Dating back to 1886, the company has transitioned from a vertically integrated energy company to a distributor of fuels. It was previously engaged in oil, natural gas exploration and production, refining, chemical manufacturing, and retail fuel sales, but divested these businesses.
Chevron Corporation is an American multinational energy corporation predominantly specializing in oil and gas. The second-largest direct descendant of Standard Oil, and originally known as the Standard Oil Company of California, it is active in more than 180 countries. Within oil and gas, Chevron is vertically integrated and is involved in hydrocarbon exploration, production, refining, marketing and transport, chemicals manufacturing and sales, and power generation.
Valero Energy Corporation is an American-based fuels producer mostly involved in manufacturing and marketing transportation fuels and other related products. It is headquartered in San Antonio, Texas, United States. Throughout the United States, Canada, and the U.K., the company owns and operates 15 refineries with a combined throughput capacity of approximately 3.2 million barrels per day, two renewable diesel plants that produce approximately 1.2 billion gallons per year, and 12 ethanol plants with a combined production capacity of 1.6 billion gallons.
PJSC Gazprom is a Russian majority state-owned multinational energy corporation headquartered in the Lakhta Center in Saint Petersburg. The Gazprom name is a contraction of the Russian words gazovaya promyshlennost. In January 2022, Gazprom displaced Sberbank from the first place in the list of the largest company in Russia by market capitalization. In 2022, the company's revenue amounted to 8 trillion rubles.
TotalEnergies SE is a French multinational integrated energy and petroleum company founded in 1924 and is one of the seven supermajor oil companies. Its businesses cover the entire oil and gas chain, from crude oil and natural gas exploration and production to power generation, transportation, refining, petroleum product marketing, and international crude oil and product trading. TotalEnergies is also a large-scale chemicals manufacturer.
Marathon Petroleum Corporation is an American petroleum refining, marketing, and transportation company headquartered in Findlay, Ohio. The company was a wholly owned subsidiary of Marathon Oil until a corporate spin-off in 2011.
Centrica plc is a British multinational energy and services company with its headquarters in Windsor, Berkshire. Its principal activity is the supply of electricity and gas to consumers in the United Kingdom and Ireland.
Suncor Energy Inc. is a Canadian integrated energy company based in Calgary, Alberta. It specializes in production of synthetic crude from oil sands. In the 2020 Forbes Global 2000, Suncor Energy was ranked as the 48th-largest public company in the world.
Hess Corporation was an American global independent energy company involved in the exploration and production of crude oil and natural gas. It was formed by the merger of Hess Oil and Chemical and Amerada Petroleum in 1968. Leon Hess was CEO from the early 1960s through 1995, after which his son John B Hess succeeded him as chairman and CEO. The company has agreed to be acquired by rival oil company Chevron.
Questar Pipeline Company (QPC) provides natural gas transportation and underground storage services from the Rocky Mountains region. Its FERC code is 55. Questar Pipeline is a subsidiary of Questar Corporation. Questar Corporation was acquired in 2016 by Dominion Energy.
Kinder Morgan, Inc. is one of the largest energy infrastructure companies in North America. The company specializes in owning and controlling oil and gas pipelines and terminals.
Energy Transfer LP is an American company engaged in the pipeline transportation, storage, and terminaling for natural gas, crude oil, NGLs, refined products and liquid natural gas. It is organized under Delaware state laws and headquartered in Dallas, Texas. It was founded in 1996 by Ray Davis and Kelcy Warren, who remains Executive Chairman.
Boardwalk Pipeline Partners, LP, which conducts business through its primary subsidiary Boardwalk Pipelines, LP and its subsidiaries, is an energy company based in Houston, Texas. It is a master limited partnership operating in the midstream portion of the natural gas and natural gas liquids (NGLs) industry, primarily providing transportation and storage for those commodities. Boardwalk owns approximately 14,365 miles (23,118 km) of natural gas and NGLs pipelines and underground storage caverns having an aggregate capacity of approximately 205 billion cubic feet (Bcf) of working natural gas and 24.0 million barrels of NGLs. Boardwalk's pipeline system originates in the Gulf Coast region, Oklahoma and Arkansas and extends north and east to the Midwestern states of Tennessee, Kentucky, Illinois, Indiana, and Ohio, and Boardwalk's NGLs pipeline and storage facilities are located in Louisiana and Texas.
XTO Energy Inc. is an American energy company and subsidiary of ExxonMobil principally operating in North America. Acquired by ExxonMobil in 2010 and based out of Spring, Texas, it is involved with the production, processing, transportation, and development of oil and natural gas resources. The company specializes in developing shale gas via unconventional means like hydraulic fracturing and horizontal drilling.
Coastal Corporation was a diversified energy and petroleum products company headquartered at 9 Greenway Plaza in Greenway Plaza, Houston, Texas. The company was founded in 1955 by Oscar Wyatt and incorporated in 1955 as Coastal States Gas Producing Company. It merged with the El Paso Corporation in 2001. As of 1999, Coastal was a Fortune 500 company with 13,300 employees and annual revenues of $8.2 billion.
East Resources, Inc., was an oil and gas exploration and production company with a focus on unconventional shale oil and gas resources in the United States.
Energetický a průmyslový holding, a.s. (EPH) is a Czech Republic (Prague) based company currently investing mainly in the energy sector in Europe, founded in 2009. The group's business lines covers the complete value chain ranging from highly efficient cogeneration, power generation, and natural gas transmission, gas storage, gas and electricity distribution and supply. The majority owner is Czech entrepreneur and lawyer Daniel Křetínský (94%), who is ranked among the richest Czechs in the long term and according to Forbes he became a dollar billionaire in 2017. The remaining 6% is distributed among selected managers of EPH. EPH employs almost 25.000 people and comprises over 50 companies.
NextEra Energy Partners LP, a publicly traded subsidiary of NextEra Energy, is a Juno Beach, Florida-based renewable energy company.
American Energy Partners, LP, also known as AELP, was an American natural gas and oil company founded in April 2013 by Aubrey K. McClendon. The company managed affiliates responsible for natural shale gas and oil production and exploration in the United States, as well as management of assets, minerals, royalties and non-operated properties. It was headquartered in Oklahoma City, Oklahoma, and employed over 450 people as of August 2015. AELP announced on May 18, 2016, two months after McClendon's death, that it would end operations and close by the end of summer 2016.
Equitrans Midstream Corporation, also known as E-Train, is an American energy company engaged in the pipeline transportion of natural gas and natural gas liquids. It is headquartered in Canonsburg, Pennsylvania, and is a wholly-owned subsidiary of EQT Corporation.
US$ 1.687 billion(2013) [2] 
