World's Biggest Public Companies



Petrobras- Petroleum Brasil

This semi-public Brazilian conglomerate energy corporation headquartered in Rio de Janeiro, Brazil. Measured by 2011 revenues, it is the largest company in the Southern Hemisphere by market capitalization and the largest in Latin America. The company is a world leader in terms of development of advanced technology from deep water and ultra water oil production. Petrobas conducted the largest share sale in history in September 2011, as $72.8 billion worth of shares in the company were sold on the BM&F Bovespa stock exchange. This eventually made the company the fourth-largest company in the world measured by market capitalization.