Tsakos Energy Navigation Limited, together with its subsidiaries, provides seaborne crude oil and petroleum product transportation services in Greece and internationally. The company owns and operates a range of vessels, including VLCC, Suezmax, Aframax, Panamax, Handysize, MR, LNG carrier, and shuttle DP2 tankers. It also provides marine transportation services to 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, was incorporated in 1993, and is based in Athens, Greece.