Alon USA Partners, LP (Alon) is engaged principally in the business of operating a crude oil refinery in Big Spring, Texas. The Company had a crude oil throughput capacity of 73,000 barrels per day, which the Company referred to as its Big Spring refinery, as of December 31, 2016. The Company refines crude oil into finished products, which the Company markets primarily in Central and West Texas, Oklahoma, New Mexico and Arizona through its integrated wholesale distribution network to retail convenience stores and other third-party distributors. Its Big Spring refinery is located on 1,306 acres in the Permian Basin in West Texas. Major processes at its Big Spring refinery include fluid catalytic cracking, naphtha reforming, vacuum distillation, hydrotreating, aromatic extraction and alkylation. The Company is managed and operated by Alon USA Partners GP, LLC (General Partner), an indirect subsidiary of Alon USA Energy, Inc. (Alon Energy), which is its parent company.