Repsol, S.A. operates as an integrated energy company worldwide. Its Upstream segment engages in the exploration and production of crude oil and natural gas reserves. The company's Downstream segment in involved in refining and petrochemicals; trading and transportation of crude oil and oil products; marketing of oil products, chemical, and LPG; the marketing, transport, and regasification of natural gas and liquefied natural gas (LNG); and generation and sale of electricity and gas. The company also distributes and markets asphalt products; installs, operates, and manages gas stations; provides maritime services; constructs and operates oil refineries; refines and markets hydrocarbons; provides human resource services; distributes and supplies electricity; leases logistics assets; and develops new energy source projects, as well as produces and markets lubricants and biofuels. Further, it is involved in fuel marketing, research activities, regasification of LNG, marketing of chemical products, trading and transport, insurance and reinsurance, and financing activities. The company was formerly known as Repsol YPF, S.A. and changed its name to Repsol, S.A. in May 2012. Repsol, S.A. was founded in 1927 and is headquartered in Madrid, Spain.