5 Most Valuable Energy Companies In The World

4. PetroChina Company (NYSE:PTR)

Total market cap of the company as at April 2, 2021 (in billion of dollars): 144.88

The Chinese energy company PetroChina Company (NYSE:PTR) is owned by the state, and is the biggest oil and gas producer in all of Asia. In 2006, it was considered to be the second biggest oil producer in China, and reported revenues of nearly $380 billion, which allowed PetroChina Company (NYSE:PTR) to have the 4th highest revenue in the world, regardless of industry. However, the market cap of Chinese state owned companies isn’t as high as public companies in the West.