A Review of 100 Internationally Renowned Oil Companies (Oil Companies, Oilfield Service Providers and Traders)

2026-11-05 10:50:37
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1. Supermajors

ExxonMobil, Chevron, ConocoPhillips, Shell, BP, Total, Eni, Equinor

2. National Oil Companies

Aramco, NIOC, PDVSA, KPC, ADNOC, QP, INOC, NNPC, NOC, Rosneft, Transneft, Pemex, Petrobras, Petro-Canada, Ecopetrol, Gazprom, IOCL, CNPC, Sinopec, CNOOC

3. United States

Anadarko, Apache, Cheniere, Chesapeake, Chevron, Concho, ConocoPhillips, Continental, Denbury, Devon, Diamondback, Duke, Endeavour, EOG, ExxonMobil, Hess, Marathon, Newfield, Noble, Phillips 66, Pioneer

4. Europe

Aker BP, BP, Chrysaor, ECO, Engie, ENI, EON, Equinor, OMV, Repsol, Shell, Total

5. Canada

Athabasca, Cenovus Energy, CNR, Encana, Husky, Imperial, Irving, MEG, Petro-Canada, Suncor

6. Russia

Gazprom, Lukoil, Novatek, Rosneft, Surgutneftegas, Tatneft

7. China

CNOOC, CNPC, Sinochem, Sinopec

8. India

BPCL, HPCL, IOCL, MRPL, Nayara, OIL, ONGC, RIL

9. Oilfield Services

Aker Solutions, Baker Hughes, Halliburton, Schlumberger, TechnipFMC

10. Pipelines

EagleClaw, Enbridge, EPP, EPIC, Kinder Morgan, MMP, PAA, TransCanada

11. Trading

Glencore, Gunvor, Mercuria, Trafigura, Vitol

12. Natural Gas

Cheniere, Woodside

I. Supermajors

1. ExxonMobil

Exxon Mobil Corporation is the world's largest non-government oil and gas producer, operating through affiliates in roughly 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



2. Chevron

Chevron Corporation is one of the world's largest energy companies and the second-largest oil company in the United States, headquartered in San Ramon, California. It operates in more than 180 countries, with business spanning every aspect of the oil and gas industry.

Website: Chevron.com

Chinese website: Chevron.com.cn



3. ConocoPhillips

ConocoPhillips is the third-largest oil company in the United States, with subsidiaries and investments in 49 countries and regions. As an integrated energy company, ConocoPhillips enjoys a high reputation in offshore drilling, exploration, refining and manufacturing. Downstream, ConocoPhillips has more than 10,000 filling stations worldwide and well-known lubricant brands.

Website: Conocophillips.com

Chinese website: Conocophillips.com.cn



4. Shell

Royal Dutch Shell is a top-tier global oil company and a supermajor.

Website: Shell.com



5. BP

BP was founded in 1909 by William Knox D'Arcy under the name Anglo-Persian Oil Company; it became the Anglo-Iranian Oil Company in 1935 and took its present name in 1954. Formed from the integration and restructuring of the former British Petroleum, Amoco, ARCO and Castrol, BP is one of the world's largest oil and petrochemical groups. BP's sunburst logo is named after the sun god of ancient Greece.

On 20 July 2016, Fortune released its latest Global 500 ranking, in which BP placed tenth.

Website: BP.com

Chinese website: BP.com.cn



6. Total

Total is one of the four largest oil and petrochemical companies in the world, headquartered in Paris, and conducts lubricant business in more than 110 countries. On 7 May 2003 it was unified globally under the name Total, comprising three brands: Total, FINA and ELF. The company resulted from two transactions: the November 1998 merger of France's Total and Belgium's PetroFina, and the March 2000 acquisition of France's ELF by TotalFina.

Website: Total.com

Chinese website: Total.com.cn



7. Eni

ENI is a state-controlled company established on 10 February 1953 by the Italian government to secure domestic oil and gas supply; its predecessor was AGIP, the Italian General Petroleum Company, founded in 1926.

Website: eni.com

Chinese website: eni.com.cn



8. Equinor

Equinor, renamed from Statoil in March 2018, was formed in 2007 through the merger of the former Statoil and the oil and gas division of Norsk Hydro. It is the largest oil company in the Nordic region and the largest company in Norway. As one of the world's largest net crude oil sellers and a major supplier of natural gas to continental Europe, Equinor operates 2,000 filling stations in nine countries.

The Norwegian oil company is one of the world's largest crude oil suppliers and a major natural gas supplier in Europe. It is a well-known supplier and retailer of petroleum products on the Scandinavian peninsula. Its business covers the exploration, production, refining, transportation and sale of petroleum products, extending worldwide to Europe, Asia, South America and other continents.

Website: Equinor.com




II. National Oil Companies

1. Aramco

Saudi Aramco is Saudi Arabia's national oil company and the world's largest oil company. Its plan for an initial public offering was announced in 2016, took three years, and listed at the end of 2019, making it the company with the highest market capitalisation in the world.

According to Aramco's 2017 annual report, crude oil reserves stand at 266 billion barrels — essentially all of Saudi Arabia's oil reserves — with natural gas reserves of 298.7 trillion standard cubic feet, crude output of 10.5 million barrels per day and global refining capacity of 5.4 million barrels per day.



2. NIOC

The National Iranian Oil Company (NIOC) is an oil and gas enterprise supervised by Iran's Ministry of Petroleum, headquartered in Tehran. NIOC was founded in 1951 and is regarded by the media as the world's second-largest oil company.

In reality, however, the company holds remaining recoverable oil and gas reserves of as much as 49 billion tonnes, the largest in the world. Yet due to a lack of investment and technology, NIOC has been unable to develop these resources vigorously, and its oil output is less than half of Saudi Arabia's. Iran's national oil company is therefore actively seeking cooperation with foreign oil companies.

In 1901 Iran began drilling, becoming the first country in the Middle East to start oil operations.

Website: Nioc.ir



3. PDVSA

Petroleos de Venezuela (PDVSA) was founded in 1975 and is the largest enterprise in Venezuela and in all of Latin America. PDVSA independently operates upstream and downstream oil operations and trading, making it an influential oil company in the world petroleum sector.

Its US operations are an important part of PDVSA; its US subsidiary Citgo has six refineries, 59 tank farms and 13,800 filling stations across the United States, with 24 million barrels of storage capacity.

Since 2018, owing to long-term underinvestment and poor management, together with hyperinflation and a severe economic and social crisis in Venezuela, PDVSA's oil output has fallen continuously at a rate of 40,000-50,000 barrels per day per month, and analysts expected total PDVSA output to drop below 1 million barrels per day by the end of 2018.

Website: Pdvsa.com



4. KPC

Kuwait Petroleum Corporation (KPC) was established in 1960. Originally a joint-stock company owned by the government and private shareholders, it became fully state-owned by 1975 and was the world's eighth-largest oil company in 2016.

Website: kpc.com.kw



5. ADNOC

Abu Dhabi National Oil Company (ADNOC) was founded in 1971 and is the state oil enterprise of the United Arab Emirates, holding the world's finest crude oil and world-leading production technology. Its output accounts for more than 96% of Abu Dhabi's total oil production, with annual output value of USD 30 billion.

Through ADNOC, the Emirate of Abu Dhabi holds 60% of the major oil and gas companies, while Japan, France, the United Kingdom and others hold 40%.



6. QP

Qatar Petroleum (QP) is Qatar's largest oil company. In 1971 Qatar achieved sovereign independence and three years later established Qatar General Petroleum Corporation, gradually completing the nationalisation of the oil industry by continuously increasing its equity share in domestic oil and petrochemical enterprises.



7. INOC

The Iraq National Oil Company (INOC) was nationalised by the Iraqi government in June 1972 and is Iraq's largest oil company.

Website: Inoc.com.iq



8. NNPC

The Nigerian National Petroleum Corporation (NNPC) is Nigeria's largest oil company, headquartered in Abuja.

The corporation was formed in 1977 through the merger of the Nigerian National Oil Corporation and the Federal Ministry of Mines and Steel Development.

NNPC is responsible for managing the Nigerian federal government's interests and those of several foreign multinationals, including Royal Dutch Shell, AGIP, ExxonMobil, Chevron, Texaco and joint ventures.

Website: Nnpcgroup.com



9. NOC

The Libyan National Oil Corporation (NOC) was founded in 1970 and is Libya's largest oil company, controlling two-thirds of the country's oil production.



10. Rosneft

Rosneft is Russia's largest oil company, established on 29 September 1995.

In March 2013 Russia completed the acquisition of TNK-BP, making Rosneft the world's largest listed crude oil producer, with BP becoming one of its major shareholders (its stake rising to 19.75%).

Website: Rosneft.com



11. Transneft

Transneft is Russia's state-owned oil and gas pipeline and infrastructure giant.

Website: Transneft.ru



12. Pemex

Pemex was founded in 1938, after the Mexican government nationalised the 17 oil

companies controlled by the United States, the United Kingdom and other countries, forming an integrated state holding company - also Mexico's largest oil and petrochemical company.

Pemex is the world's third-largest crude oil producer and eighth-largest oil and gas company, with nearly 135,800 employees.

Website: Pemex.com



13. Petrobras

Petrobras was founded on 3 October 1953 as a national oil company centred on petroleum with integrated upstream and downstream multinational operations. Decree No. 2004 declared that Brazil's oil industry had begun in the late 19th century; in 1917 the state oil monopoly was instituted. Petrobras not only participates in formulating and executing oil policy but also oversees the exploration, development, production and transportation of Brazilian oil and the management of enterprises - a state enterprise integrating government and business.

Website: Petrobras.com.br



14. Petro-Canada

Petro-Canada is Canada's largest energy company, founded in 1975.

Website: Petro-Canada.com



15. Ecopetrol

Ecopetrol is Colombia's largest oil company. It belongs to the group of the world's 25 largest oil companies and is one of the four largest oil companies in Latin America.

Website: Ecopetrol.com.co



16. Gazprom

Gazprom is Russia's largest natural gas producer and the world's largest gas company. Its predecessor was the Russian state gas concern.

It is mainly engaged in geological exploration, development, production, processing, storage and transportation, and sales of oil and gas.

In September 2005 Gazprom acquired 75.6% of Sibneft, gaining absolute control of the company and control of 20% of the world's natural gas reserves, while Russia's controlling stake in Gazprom rose from 38.37% to 51%.

The acquisition of Sibneft was an important strategic move by Gazprom toward becoming a global energy company, further consolidating Russia's position as an energy power and making its energy products more competitive in the world energy market. After the acquisition, Gazprom renamed the company Gazprom Neft.

Website: Gazprom.com



17. IOCL

Indian Oil Corporation (IOCL) is India's largest oil company, formerly the Indian oil and gas concern.

Website: IOCL.com



18. CNPC

China National Petroleum Corporation (CNPC) is an important state-owned backbone enterprise and a comprehensive international energy company whose main businesses include oil and gas operations, engineering technical services, petroleum engineering construction, petroleum equipment manufacturing, financial services and new energy development. It is one of China's main oil and gas producers and suppliers.

Website: Cnpc.com.cn



19. Sinopec

China Petrochemical Corporation (Sinopec) is an extra-large petroleum and petrochemical enterprise group restructured in July 1998 on the basis of the former China Petrochemical Corporation. It is a wholly state-owned company, a state-authorised investment institution and a state holding company.

Website: Sinopec.com



20. CNOOC

Since its establishment in 1982, China National Offshore Oil Corporation (CNOOC) has grown from an upstream company engaged solely in oil and gas extraction into an international energy company with prominent main businesses and a complete industrial chain.

Website: Cnooc.com.cn




III. Oilfield Service Companies

1. Aker Solutions

Aker Solutions is a large global oilfield service company, a Norwegian oil service company headquartered in Oslo that provides global oilfield products, systems and services to oil and gas industry customers. The company was founded in 1841.

Website: Akersolutions.com



2. Baker Hughes

Baker Hughes is a large US service company providing products and services to the global oil development and processing industry. It originated from the oil equipment companies Baker International and Hughes Tool Company. Through its oilfield service companies it provides complete products and services for drilling, completion and oil and gas well production.

In addition, the Baker Hughes North America oil and gas rig count weekly report is closely watched by the market as important crude oil fundamental data.

Website: BakerHughes.com



3. Halliburton

Halliburton was founded in 1919 and is one of the largest suppliers of products and services to the energy industry. Headquartered in Dubai, the second-largest city of the UAE, it has more than 55,000 employees in over 70 countries. It provides drilling and completion equipment, downhole and surface production equipment, oilfield construction, formation evaluation and stimulation services to national oil companies, multinational oil companies and service companies in more than 100 countries.

Website: Halliburton.com



4. Schlumberger

Schlumberger is the world's largest oilfield technology service company, founded in 1927 and headquartered in Houston. In recent years Schlumberger has continued to expand through acquisitions, especially after acquiring oilfield equipment manufacturer Cameron, further enlarging its scale and consolidating its industry position.

Website: Slb.com



5. TechnipFMC

TechnipFMC is a large global oilfield service company headquartered in the United Kingdom, providing complete project life-cycle services to the energy industry (concept, feasibility study, front-end engineering, detailed engineering, procurement, construction, commissioning, test run, maintenance and decommissioning).

It was formed by the merger of US company FMC Technologies and France's Technip, announced in 2016 and completed in 2017.

Website: Technipfmc.com



IV. Natural Gas Companies

1. Cheniere

Cheniere Energy is mainly engaged in LNG-related business. Through its 88.8% stake in Cheniere Energy Partners and contracts signed with it, the company operates the Sabine Pass LNG terminal in Louisiana.

The company also owns and operates the Creole Trail Pipeline, connecting the Sabine Pass LNG terminal with North American markets. About half of the Sabine Pass terminal's reception capacity is contracted to two international oil companies.

Website: Cheniere.com



2. Woodside

Woodside Energy is Australia's largest oil and gas exploration company.

Website: Woodside.com.au



V. Trading Companies

1. Glencore

Glencore was formed on 2 March 2013 through the merger of the world's largest trading company, Glencore International, and global mining giant Xstrata. It is one of the world's largest diversified commodity trading companies, with more than 16,000 employees, and the only large energy trading company listed in both London and Hong Kong, China.

In energy, Glencore is mainly engaged in coal and oil and gas businesses, the latter covering crude oil, refined products and natural gas trading, with activities including crude and product purchasing and sales as well as oil and gas production. The company has a large shipping fleet and first-class logistics, storage and investment capabilities; it has also developed in oil exploration and drilling, having discovered several new oilfields. Nevertheless, in 2016 Glencore's energy segment operating profit accounted for only 24.3% of total profit, with the oil business contributing about 37% of energy segment profit, showing that oil earnings are a relatively small share of Glencore's overall business.

According to statistics in Glencore's Sustainable Development Report, the company holds four oilfield assets worldwide - the Chad oilfield, the Cameroon oilfield, Block O in Equatorial Guinea and Block I in Equatorial Guinea - with estimated reserves of 22.2 million barrels of oil equivalent. Glencore's total global oil storage capacity is about 8.74 million cubic metres (2013 data), and the company also owns part of the oil infrastructure at the ports of Antwerp in Belgium and Richards Bay in South Africa.

Website: Glencore.com



2. Gunvor

Gunvor was founded in 2000 and is a Swiss oil trader. Starting from Russian crude oil trading, including export logistics and infrastructure services, it has grown into an integrated, diversified energy trading company. Gunvor's strategic investments in energy infrastructure cover refineries, pipelines, tank farms, terminals, mining and upstream operations; it purchases crude oil and refined products in 35 countries, with total assets exceeding USD 2 billion.

Gunvor's global petroleum assets mainly comprise oilfields, tank farms, pipelines and refineries. There are eight oilfields, mainly in Africa and Europe, with reserves exceeding 157 million barrels of oil equivalent. There are two pipelines: the TAL refined products pipeline linking the Italian port of Trieste with Bavaria in Germany, and a crude oil pipeline in Central and South America linking the Pacific and Atlantic oceans (storage facilities at both ends, with total storage capacity of about 9 million barrels, roughly equal at each end). There are two tank farms, in Russia and Singapore, with total storage capacity of 1.69 million cubic metres, and three refineries, all in Western European countries, with total refining capacity of 300,000 barrels per day.

Website: Gunvorgroup.com



3. Mercuria

Mercuria is one of the world's largest independent energy trading companies, with turnover of about USD 70-80 billion in 2011. Mercuria has 36 offices in more than 28 countries and over 900 employees. The company is active in oil, natural gas, LNG, power, coal, biodiesel and carbon markets.

The company owns a large portfolio of strategic physical assets supporting its market activities. Mercuria's infrastructure includes crude oil and refined product transshipment terminals in North America, South America, Europe, Africa and Asia. It also holds upstream exploration and production fixed assets, including oil and gas extraction in Argentina, West Africa and North America, and coal mining in South Africa, North America and Southeast Asia.

With deep expertise and a broad global network, Mercuria solves energy demand problems for customers and partners worldwide. Its customised energy solutions integrate logistics, physical flows, market and financing requirements, covering all key aspects from source to supply.

Website: Mercuria.com



4. Trafigura

Trafigura was founded in 1993 and is one of the world's largest independent traders of crude oil and refined products, and one of the few traders globally whose scope covers all petroleum and petrochemical products. After more than 20 years of development, the company has established more than 160 offices in 58 countries. Trafigura's business falls into three categories: crude oil and refined products, metals and minerals, and shipping and chartering. Crude oil and refined products are Trafigura's main business, accounting for 65% of total revenue in 2016.

Trafigura's oil and gas assets are mainly distributed in Central and South America, Africa, Western Europe, Southeast Asia and Australia. The company has total global oil storage capacity of about 7 million cubic metres and more than 2,000 filling stations.

In 2016 Trafigura's annual oil trading volume was 205.4 million tonnes, equivalent to 4 million barrels per day, about 77.7% of the company's total commodity trading volume, of which crude oil accounted for about 42% and refined products about 55%.

Website: Trafigura.com



5. Vitol

Vitol was founded in 1966 and is headquartered in Geneva, Switzerland. It is an energy and commodity trading company and a core player in global energy logistics. Its main global businesses include energy product trading and logistics, refining, terminal and storage facilities, exploration and production, and strategic investment. Traded products include crude oil, natural gas, LPG, LNG, naphtha, gasoline, gasoil, jet fuel, fuel oil, coal, power, carbon, methanol, ethanol, chemicals and sugar.

Vitol's oil business is concentrated in Europe, Africa and North America. The company has five refineries with total refining capacity of 390,000 barrels per day - three in Europe and two in the Middle East and Australia. Vitol owns 14 tank farms, mainly in Europe and the Americas, with total storage capacity of 9.1 million cubic metres. Vitol's oil retail business is mainly in Africa and Australia: 1,630 filling stations in Africa and more than 900 in Australia, over 2,500 in total. In addition, Vitol holds six oil and gas development assets worldwide, in the Middle East, North America and Asia.

According to the company's annual report, Vitol's crude and refined product trading volume grew from 303 million tonnes in 2015 to 351 million tonnes in 2016 (equivalent to 7 million barrels per day), an increase of 16%. Crude oil is Vitol's most important business, accounting for 48% of the company's total trading value in 2016, with total volume up 16% year on year. Among petroleum products, gasoline, gasoil and LPG saw the largest volume growth: the strong growth in gasoline and gasoil was mainly due to increased consumption demand in the United States, Australia and African markets, while the sharp rise in LPG trading volume was mainly driven by the development of the US shale oil and gas industry and a large increase in global LPG supply; LPG trade is expected to continue expanding.

Website: Vitol.com



This article is reproduced from the Zhihu account 'Dr. Oil Talk'; copyright belongs to the original author.

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