Thu, 26 Apr 2012 09:15:35 GMT | By Scott DeCarlo, Forbes.com
The world's biggest companies

10. Petrobras



Petrobras
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Country: Brazil
Industry: Oil & gas operations

The fourth largest energy company on our list is also the biggest company in Brazil. A leader in the Brazilian oil industry, they have expanded operations and aim to be among the top five integrated energy companies in the world by 2020.

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