BP plc is a British multinational oil and gas company headquartered in London, England. It is one of the world’s seven oil and gas “supermajors”,whose performance in 2012 made it the world’s sixth-largest oil and gas company, the sixth-largest energy company by market capitalisation and the company with the world’s 12th-largest revenue (turnover).^[ It is a vertically integrated company operating 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 interests in bio fuels and wind power.