5 Largest Petrochemical Companies in the World

3. China National Petroleum Corp

Estimated Market Value: $425.8 billion

2021 Annual Revenue: $283.9 billion

Founded in 1988, China National Petroleum Corp is among China’s major oil and gas companies. The company engages in the exploration, refining, and marketing of gasoline, diesel, lube oil, kerosene, fuel oils, chemical light oils, etc. China National Petroleum Corp owns PetroChina Company Limited (0857.HK), which is among the largest energy companies in the world. PetroChina Company Limited (0857.HK) also engages in the production, transportation, and marketing of petrochemical products such as ethylene, synthetic resin, synthetic fiber, synthetic rubber, organic and inorganic compounds, urea, etc.