BP p.l.c. is a British multinational oil and gas company headquartered in London, England. It is one of the oil and gas "supermajors" and one of the world's largest companies measured by revenues and profits. BP is a vertically integrated company operating in all areas of the oil and gas industry, including exploration and extraction, refining, distribution and marketing, power generation, and trading. BP also invests in lower carbon, convenience stores, and power trading businesses as part of their strategy to transition toward a more balanced energy system that promotes secure, affordable, and lower-carbon energy solutions.