Yesterday, PFC Energy published its 2011 list of the Top 50 largest listed energy companies. US oil and gas producer ExxonMobil retained its top position with a market valuation of US$406.3 billion, closely followed by PetroChina and Royal Dutch Shell.
昨日，著名的PFC能源公司公布了2011年上市能源公司50强排名，美国石油天然气生产商埃克森美孚以4063亿美元的市值蝉联冠军，中国石油和荷兰皇家壳牌紧随之后。