HollyFrontier is an American independent petroleum refiner, established in 1947 and headquartered in Dallas, Texas, USA. Through its subsidiaries, the company operates five refineries in the southwestern, mid-continent, and Rocky Mountain regions. HollyFrontierÍs affiliates are engaged in refining, transporting, and storing diesel, gasoline, jet fuel, asphalt, heavy and specialty lubricant products which are marketed in the southwestern USA, Montana, and northern Mexico. HollyFrontier is listed on the New York Stock Exchange (NYSE). The HollyFrontier share price (AR) is available at Capital.com.