Petróleo Brasileiro S.A. - Petrobras, a leading Brazilian multinational corporation in the oil and gas industry that operates internationally, engages in a broad range of activities, from exploration and production to refining, transportation, marketing, and gas and power. Its operations include prospecting, drilling, refining, processing, trading, and transporting crude oil from producing onshore and offshore oil fields, as well as oil products, natural gas, and other liquid hydrocarbons. The company also produces biodiesel and ethanol, and engages in research, development, production, transport, distribution, and trading of energy. Petrobras is headquartered in Rio de Janeiro, Brazil and was incorporated in 1953. The company is divided into three segments, including Exploration and Production, Refining, Transportation and Marketing, and Gas and Power, each of which has a unique role in the energy industry.