5 Biggest Natural Gas Companies in the World

4. PetroChina Company Limited (SHA:601857)

Market Capitalization: $223.36 Billion

PetroChina Company Limited (SHA:601857) is a Chinese oil and gas company that ranks among the top natural gas companies in the world. As Asia’s largest oil and gas company, it is engaged in crude oil and natural gas exploration, production, refining, and marketing. PetroChina Company Limited (SHA:601857) has a market capitalization of $223.36 billion as of March 11, 2024.