BP is a British multinational oil and gas company. It specialises in the exploration, production, refining, distribution and marketing of crude oil, gas, and petroleum products. With operations in nearly 80 countries on five continents, the company owns some 17,200 retail sites and 14 refineries. The company employs close to 80,000 people and produces an estimated 3.2 million barrels of crude oil per day. Founded in 1909, BP is headquartered in London.