Alon USA Energy, Inc. is an independent refiner and marketer of petroleum products, operating primarily in the South Central, Southwestern and Western regions of the United States. The Company operates through three segments: refining and marketing, asphalt and retail. Its refineries produce petroleum products, including various grades of gasoline, diesel fuel, jet fuel, petrochemicals, petrochemical feedstocks, asphalt and other petroleum-based products. The Company holds interests in Alon USA Partners, LP, which owns a crude oil refinery in Big Spring, Texas. The Company's refining and marketing segment includes sour crude oil refinery located in Big Spring, Texas, a light sweet crude oil refinery located in Krotz Springs, Louisiana and heavy crude oil refineries located in Paramount, Bakersfield and Long Beach, California (California refineries). It owns or operates approximately 10 asphalt terminals. It operates approximately 310 owned and leased convenience store sites.