Delek US Holdings (NYSE: DK) is a diversified energy company that refines crude oil, markets refined products to oil distributors, and sells fuel and merchandise to end consumers. The refining segment operates only one independent refinery with a capacity of 60,000 barrels per day (bpd) in Tyler, Texas. As for the retail segment, Delek operates 443 retail fuel and convenience stores in across the Southern U.S. Delek wholesales its refined petroleum products through its own pipelines. Unlike the oil & gas majors like Exxon Mobil and BP(BP) which are vertically integrated, Delek purchases most of their supplies from third parties. Delek’s marketing customers include ExxonMobil, Valero Marketing and Supply, Murphy Oil USA, Truman Arnold, Chevron.
Delek's revenue increased by 739.7% over the course of 7 years, from $549.6 million in 2002 to $4,615.2 million in 2008. This growth is the result of a series of opportunistic acquisitions of downstream energy assets. For example, its net sales increased by 64% in 2006 after the acquisition of an oil refinery in Tyler, Texas. Ever since, the refining segment has taken over as the main source of revenue for the company.(Read more at Wikinvest )