Tsakos Energy Navigation Limited (TEN) operates as a global shipping enterprise, specializing in the worldwide marine transport of crude oil and refined petroleum products. The company extends its maritime services to a diverse clientele, encompassing national, major, and independent oil corporations and refiners, through various charter agreements, including long, medium, and short-term contracts. Its modern fleet consists of double-hulled vessels, featuring conventional tankers, LNG carriers, and advanced Suezmax DP2 shuttle tankers.