ExxonMobil the Exxon Building (1251 Avenue of the Americas), its former headquarters in Rockefeller Center, to a unit of Mitsui Real Estate Development Co. Ltd. in 1986 for $610 million, and in 1989, moved its headquarters from Manhattan, New York City to the Las Colinas area of Irving, Texas. John Walsh, president of Exxon subsidiary Friendswood Development Company, stated that Exxon left New York because the costs were too high. On March 24, 1989, the Exxon Valdez oil tanker struck Bligh Reef in Prince William Sound, Alaska and spilled more than of crude oil. The Exxon Valdez oil spill was the
History of the oil tanker ships with oil instead of coal, mass-production of automobiles and increasing aviation, all increased demand for oil and thus oil transport. In 1928 the World's largest oil tanker was the , completed that year for Canadian owners by Bremer Vulkan in Germany. With the right connections at the Shipping Board, ships could be bought cheaply, which caused a lot of fraud. This system was too complicated for the oil companies however, so when World War II started, independents owned 39 percent of the world tanker fleet. This was especially because oil companies needed capital to invest in the growing oil