25 Renowned American Oil Companies
2026-11-03 10:41:24
1. Anadarko
Anadarko Petroleum is a US oil and gas exploration company and one of the world's largest oil and gas companies, with about 2.79 billion barrels of proven oil reserves.
Founded in 1928, the company discovered large gas reserves in the Anadarko Basin in 1959 and was spun off as an independent company in 1986; it now operates in more than 10 countries.
Website: Anadarko.com
2. Apache
Apache Corporation was founded in 1954 in Minneapolis, Minnesota. It is one of the largest independent US oil companies, with oil and gas exploration and development operations in the United States, Canada, Egypt, Australia, Poland and China.
In the United States, Apache operates on the outer continental shelf of the Gulf of Mexico, the Anadarko Basin in western Oklahoma, the Permian Basin in Texas and New Mexico, the San Juan Basin in New Mexico, and East Texas and the Texas-Louisiana Gulf Coast.
Website: Apachecorp.com
3. Chesapeake
Chesapeake Energy is the second-largest natural gas producer in the United States.
Website: Chk.com
4. Chevron
Chevron Corporation is one of the largest energy companies in the world and the second-largest US oil company. Headquartered in San Ramon, California, it operates in more than 180 countries and covers every part of the oil and gas value chain.
Website: Chevron.com
Chinese website: Chevron.com.cn
5. Concho
Concho Resources is an independent oil and gas company engaged in the acquisition, exploration and development of oil and gas assets, mainly in the Permian Basin. It is headquartered in Midland, Texas.
Website: Concho.com
6. Conocophillips
ConocoPhillips is the third-largest US oil company, with subsidiaries and investments in 49 countries and regions. As an integrated energy company it has a strong reputation in offshore drilling, exploration, refining and manufacturing. Downstream, it operates more than 10,000 filling stations worldwide and owns a well-known lubricant brand.
Website: Conocophillips.com
Chinese website: Conocophillips.com.cn
7. Continental
Continental Resources is one of the biggest beneficiaries of the US oil industry's rise over the past decade and a top US shale oil producer.
Website: Contres.com
8. Denbury
Denbury Resources is an independent oil and gas company with estimated proven reserves of 43.77 billion cubic metres as of 31 December 2018, 83% of which is oil. Its operations focus on two key areas: the Gulf Coast and the Rocky Mountains.
Website: Denbury.com
9. Devon
Devon Energy is headquartered in the United States and is the world's largest independent oil and gas exploration and production company. It is also North America's largest LNG supplier, with its own gas pipelines and production processing centres in several countries.
Website: Devonenergy.com
10. Diamondback
Diamondback Energy is an independent oil and gas company headquartered in Midland, Texas, focused on acquiring, developing, exploring and producing unconventional onshore oil and gas reserves in the Permian Basin of West Texas. Production is concentrated in several intervals within the Wolfcamp, Spraberry, Clearfork, Bone Spring and Cline formations.
Website: Diamondbackenergy.com
11. Duke
Duke Energy was founded in 1899 and has a long history of riding the shifts in its environment. Its development is a weave of the traditions of many different companies that merged, grew and strengthened over 100 years to become Duke Energy. Today its business covers power supply, including energy services, energy transport and venture investment.
Website: Dukeenergycente.com
12. Endeavour
Endeavour Energy Resources is a private exploration and production company headquartered in Midland, Texas. It holds more than 350,000 acres of developable land in the Midland Basin, ranking second in land area and first in employee numbers.
Website: Endeavorenergylp.com
13. EOG
EOG Resources is a leading independent US shale oil explorer and producer.
Website: Eogresources.com
14. ExxonMobil
Exxon Mobil Corporation is the world's largest non-government oil and gas producer, operating through affiliates in about 200 countries and regions with 71,000 employees. It is one of the world's largest refiners, with 45 refineries in 25 countries and a daily refining capacity of 6.4 million barrels.
ExxonMobil has witnessed the development of the world oil and gas industry; its history traces back to Standard Oil, founded by Rockefeller in 1882, spanning 125 years.
Website: Exxonmobil.com
Chinese website: Mobiloil.com.cn
15. Hess
Amerada Hess is an integrated oil company and the fourth-largest US oil company. It explores for, produces, buys and sells crude oil and natural gas in the United States, the United Kingdom, Norway, Denmark, Indonesia, Thailand and other countries. It also manufactures, buys, transports and markets oil and other energy products, and has facilities at other refineries on the US East Coast.
Website: Hess.com
16. Marathon
Marathon Oil was founded in 1887, when the centre of the US oil industry had shifted west from the Pennsylvania oilfields. Fourteen people formed the Ohio Oil Company in northwestern Ohio, then the centre of US oil production.
In the early years of this century the Ohio Oil Company was among the first to build and operate interstate pipelines, and Marathon Pipe Line is still the third-largest transporter in the United States.
In recent years Marathon has focused on liquids-rich shale gas in the United States, including development of the Bakken and Eagle Ford formations.
Website: Marathon.com
17. Newfield
Newfield Exploration is an independent energy company headquartered in The Woodlands, Texas, engaged in the exploration, development and production of crude oil, natural gas and NGLs. Its focus is unconventional liquids-rich plays in the Anadarko and Arkoma basins in Oklahoma, the Williston Basin in North Dakota and the Maverick and Gulf Coast basins in Texas.
Website: Newfield.com
18. Noble
Noble Energy was founded on 29 December 1969 and is an independent energy company with five global exploration and production cores: the DJ Basin, the Marcellus Shale, the deepwater Gulf of Mexico, offshore West Africa and the eastern Mediterranean.
Website: Nobleenergyinc.com
19. Occidental
Occidental Petroleum was founded in 1920 and is an integrated oil company headquartered in Los Angeles. It grew rapidly after the war and expanded its scale, acquiring Signal Oil and Gas, Jefferson Lake Sulphur, Island Creek Coal and Hooker Chemical in the 1960s and several more companies in the 1970s and 1980s. It greatly expanded its oil and gas resources, gained a series of refineries and diversified into a range of chemicals.
Website: Oxy.com
20. Parsley
Parsley Energy is an independent US oil and gas company engaged in the acquisition, development, exploration, production and sale of oil and gas assets in the Permian Basin.
Website: Parsleyenergy.com
21. Phillips66
Phillips 66 is a US multinational energy company whose name comes from the 1927 'Phillips 66' trademark of Phillips Petroleum, a predecessor of ConocoPhillips. Phillips 66 began trading on the New York Stock Exchange on 1 May 2012 and produces gasoline and petrochemicals. As of 2018 it ranked 28th on the Fortune 500.
Website: Phillips66.com
22. Pioneer
Pioneer Natural Resources is a top US shale oil producer.
Website: Pxd.com
23. Valero
Valero Energy is the largest refiner in North America. Founded in 1955 and renamed in 1997, it is headquartered in San Antonio, Texas. It owns and operates refineries in the United States and Canada with combined throughput of about 2 million barrels per day.
Website: Valero.com
24. Whiting
Whiting Petroleum is an independent exploration and production company and a top crude oil producer in North Dakota, with substantial assets in northern Colorado. Headquartered in Denver, Colorado, it is a top US shale oil producer.
Website: Whiting.com
25. WPX
WPX Energy is an independent energy producer with core positions in the Permian and Williston basins. Its output is about 80% oil and liquids and 20% natural gas, and it also holds an emerging infrastructure portfolio in the Permian Basin.
Company website: Wpxenergy.com
This article is reproduced from the Baijiahao account 'Dr. Oil Talk'; copyright belongs to the original author.
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