1 June 2007 LSAT: A complete sample test.  LSAT en espaÃ±ol: A new edition of the free LSAT en espaÃ±ol sample PrepTest will be available this summer, in time to prepare for the Spanish LSAT administration to be held later this year.
Over the years these two companies transformed into Exxon and Mobil, respectively. In 1999 Exxon and Mobil officially merged to create the largest company in world at that time â ExxonMobil. With a 2013 revenue of $420 billion, this oil and gas company is one of the biggest.
The U.S. has seven companies in the top 25, more than any other country, led by ExxonMobil, which is the worldâs third largest public oil and gas producer. Many may not realize that China is among the worldâs Top 5 oil producing countries. But PetroChina, which went public in 2007, produces almost as much oil as does ExxonMobil, and is but one of the three Chinese companies in the Top 25.