5 Largest Pipeline Companies in the World

2. China National Petroleum Corporation

Estimated Market Value: $412 billion

Annual Revenue 2021: 2,807.3 RMB billion

China National Petroleum Corporation is a national and major oil and gas company in China. The company engages in the exploration, refining, and marketing of oil and its products, such as kerosenes, lube oils, diesel oils, chemical light oils, etc. China National Petroleum Corporation has a pipeline network of approximately 25,000 km which includes a crude oil pipeline network of over 7,000 km and natural gas pipeline network of around 17,000 km.