Tsakos Energy Navigation Limited, together with its subsidiaries, provides seaborne crude oil and petroleum product transportation services in Greece and internationally. It owns and operates a fleet that includes VLCC, Suezmax, Aframax, Panamax, Handysize, MR, LNG carrier, and shuttle DP2 tankers. The company serves national, major, and other independent oil companies and refiners. Formerly known as MIF Limited, it changed its name to Tsakos Energy Navigation Limited in July 2001. Incorporated in 1993, it is based in Athens, Greece.