bp

BP is one of the world's leading international oil and gas companies headquartered in London, United Kingdom. It is the fifth-largest energy company by market capitalization and the sixth-largest oil and gas company measured by 2012 production. BP is vertically integrated and operates in all areas of the oil and gas industry, including exploration and production, refining, distribution and marketing, petrochemicals, power generation and trading. It also has renewable energy activities in biofuels and wind power.