HF Sinclair Corporation is a diversified energy company manufacturing and selling gasoline, diesel fuel, jet fuel, renewable diesel, specialty lubricant products, specialty chemicals, and specialty and modified asphalt, among other offerings. The company operates oil refineries, lubricants and specialties facilities and asphalt terminals in the U.S. Known as General Appliance Corp. until 2022, the company was founded in 1947 and is based in Dallas, TX.