The International Energy Agency (IEA) is an independent organisation based in Paris, which helps its 30 member states and eight association countries to provide reliable, affordable and clean energy. The IEA holds global training sessions and collaborates with more than 6,000 energy experts.

Twitter: @IEA

Twitter followers: 148,610

The US Energy Information Administration (EIA) is a governmental body that collects analyses and releases independent and objective energy information to promote good policymaking, market efficiency, and greater understanding of energy and its interaction with the economy and the environment.

Twitter: @EIAgov

Twitter followers: 124,275

ExxonMobil is a US multinational oil and gas company headquartered in Irving, Texas. It is one of the largest oil companies, producing 3.921 million barrels of oil equivalent per day, and the world’s ninth largest company by revenue at $237.1bn in 2017.

Twitter: @exxonmobil

Twitter followers: 291,756

The state-owned China National Petroleum Corporation is a major oil and gas firm headquartered in Beijing. It is one of the largest integrated energy groups worldwide and was ranked the fourth in the 2018 Fortune Global 500.

Twitter: @CNPC

Twitter followers: 1,034

The US Department of Energy is an executive department of the US Government that deals with policies relating to energy, including the handling of nuclear materials. As of 2 March 2017, the current Secretary of Energy is Rick Perry.

Twitter: @ENERGY

Twitter followers: 761,837

The Abu Dhabi National Oil Company is a state-owned United Arab Emirates oil and gas firm, which has held the seventh largest proven oil reserve worldwide since 2015, at 97.8 billion barrels. It is the world’s 12^th largest oil company by production, producing around 3 million barrels per day.

Twitter: @AdnocGroup

Twitter followers: 39,659

ConocoPhillips is a US-based multinational energy company headquartered in Houston, Texas. It is the world’s largest independent pure-play company and was ranked 95^th in the 2018 Fortune 500 list of US corporations. It was created in 2002 through the merger of oil companies Conoco Inc and Phillips Petroleum Co.

Twitter: @conocophillips

Twitter followers: 159,160

Petróleo Brasileiro SA, known commonly as Petrobras, is a Brazilian state-owned oil company from Rio de Janeiro. It operates in oil and gas sectors including refining, transportation and marketing, exploration and production, distribution, gas and power, and biofuels, among others. It was ranked 73^th in the 2018 Global Fortune 500.

Twitter: @petrobras

Twitter followers: 507,931

The Organisation of Petroleum Exporting Countries (OPEC) is an intergovernmental group consisting of 15 petroleum-exporting nations. It was established in 1960 in Iraq by its five founding members and has been headquartered in Vienna, Austria since 1965. Qatar announced that it will leave OPEC in 2019.

Twitter: @OPECSecretariat

Twitter followers: 5,784

Glencore Plc is multinational commodity trading and mining company with headquarters in Baar, Switzerland, and a registered office in Saint Helier, Jersey. It is ranked 14^th on the 2018 Global Fortune 500 list. Although predominantly a mining company, Glencore also deals in crude oil, oil products, coal and natural gas, as well as other metals and minerals, supplying them to international customers.

Twitter: @Glencore

Twitter followers: 87,825

The analysis provided by GlobalData is based on the number of company or organisation mentions, online engagement by influencers, and expert analysis.

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