Petroleo Brasileiro S.A. (Petrobras) is a leading integrated oil and gas company headquartered in Rio de Janiero, Brazil. Petrobras is the largest company in Latin America with a current market capitalization of $141 billion on revenues of $128 billion in 2009. Petrobras is involved in exploration, production, refining, transportation, marketing, and distribution of oil and gas products in 18 countries in Africa, the Americas, Europe and Asia. Assets include more than 100 production platforms, 16 refineries, 30,000 kilometers of pipeline, and 6,000 gas stations. Petrobras also leads in advanced technology for deep-water and ultra-deep water oil production.