
World's biggest companies —
Walmart has been crowned the world's largest company by the Fortune Global 500 list. The retailer employs 2.2 million people and had $476.3 billion in revenues for 2013.

World's biggest companies —
After two years at the top, Royal Dutch Shell was pushed into second place. Its revenues fell to $459.6 billion in 2013.

World's biggest companies —
China's oil and gas producer Sinopec enjoyed steady growth in 2013, taking third place in the list.

World's biggest companies —
State-owned China National Petroleum Corporation (CNPC) finished fourth.

World's biggest companies —
Exxon is the only other U.S. company besides Walmart to make it into the top 10.

World's biggest companies —
BP saw a rebound in its profits to $23.8 billion dollars from $11.2 billion the previous year, Fortune noted, pushing it up the ranks.

World's biggest companies —
China's largest state-owned energy company, China State Grid, came seventh in the list.

World's biggest companies —
Volkswagen is the biggest automaker in the world and the eight largest corporation overall, according to Fortune.

World's biggest companies —
Trailing closely behind is another car manufacturer -- Japan's Toyota Motor Corporation.

World's biggest companies —
Swiss commodities giant Glencore acquired Anglo-Swiss mining company Xstrata in 2013, and is now ranked the world's tenth largest corporation.


