Three companies from Mainland China made the 2011 Top 50 list. In addition 2nd place PetroChina, Sinopec and CNOOC were ranked 9th and 15th, respectively.
在2011年的50强榜单中，共有3家来自中国内地的公司入围，除了排名第2的中石油，还有第9位的中国石化和第15位的中国海洋石油。