The world's biggest producer of oil is now China's PetroChina, not Exxon. PetroChina wasn't even around 13 years ago.
SOCO International Plc explores and produces oil and gas. The company has interests in Vietnam, Thailand, the Republic of Congo...
Global Oil & Gas AG engages in the development of onshore oil and gas fields. It operates through Crude Oil...
PetroChina Co., Ltd.
No. 9 Dongzhimen North Street Dongcheng District
Beijing , BE 100007
SIC Code: 1311