Columbia Oil Co, 1100 W 7th St, Columbia, TN 38401, US

Delek Refining is a petroleum refinery and distribution company wholly owned by Delek US Holdings. It is a diversified fuel distributor that offers petroleum refining, marketing and supply services. Delek Refining produces a full range of gasoline, diesel, aviation fuels and petrochemicals. It provides fuel through various distributors, dealers, suppliers, transportation companies and independent station operators. Additionally, the company operates through a network of more than 500 convenience stores, including MAPCO Express and Mart, East Coast and Discount Food Mart. In addition to stores, it operates refined petroleum terminals, pipelines and storage tanks to facilitate distribution. It provides more than 60,000 barrels fuel per day. The refinery is located in Tyler, Texas.