Delek US Holdings, Inc. engages in petroleum refining, and the transportation, storage, and wholesale distribution of crude oil. The company is headquartered in Brentwood, Tennessee and currently employs 1,987 full-time employees. The company went IPO on 2006-05-04. The firm's segments include Refining and Logistics. The Refining segment processes crude oil and other feedstocks for the manufacture of transportation motor fuels, including various grades of gasoline, diesel fuel and aviation fuel, asphalt and other petroleum-based products. The Refining segment also owns and operates three biodiesel facilities involved in the production of biodiesel fuels and related activities, located in Crossett, Arkansas, Cleburne, Texas and New Albany, Mississippi. The Logistics segment is engaged in gathering, transporting and storing crude oil and natural gas, marketing, distributing, transporting and storing intermediate and refined products and disposing and recycling water in select regions of the southeastern United States, the Delaware Basin in New Mexico and West Texas.