Mukesh Ambani, the world's richest oil baron, managed to turn one factory from his father into a $95 billion energy empire ...

Officially known as the Saudi Arabian Oil Company, and also known as simply Aramco, is a majority state-owned petroleum and natural gas company, and the national oil company of Saudi Arabia.

As Trump was inaugurated, longtime Trump supporter Harold Hamm—known for fracking and considered “America’s richest oil ... as many other owners of oil and gas companies like Kinder Morgan ...

Putin allegedly controls 37% of Russian oil company Surgutneftegaz 4.5% of natural ... Luke Harding: Now, everyone in the Russian elite knows he's the richest guy in town by a long way, but ...

As oil prices continue to fall, some of America's richest oil tycoons have stayed ... which Wealth-X attributes to the diversification of their company's investment portfolio.

Vagit Alekperov, dubbed "the don," is the part-owner and former director of Lukoil, now Russia's largest independent oil company ... making him the 72nd richest person in the world.

Britain's richest man Jim Ratcliffe is hoping to extend his grip on the North Sea by buying oil and gas fields from US giant ConocoPhillips. Mr Ratcliffe's company Ineos and ConocoPhillips have ...

But there’s a lesser-known name in the global rich list, Nigerian billionaire Aliko Dangote, the richest man in Africa, the founder of Dangote Group, which owns Africa’s largest oil refinery ...