Delek US Holdings Inc is a diversified downstream energy company based in Brentwood, Tennessee. It operates in three main segments: Refining, Logistics, and Retail. The company refines crude oil into various petroleum products like gasoline, diesel, and asphalt, distributed through its own and third-party terminals. It also manages logistics for crude oil and refined products, including transportation and storage. Additionally, Delek runs convenience stores in West Texas and New Mexico, offering fuel, food, and other items under the DK or Alon and 7-Eleven brands.