ExxonMobil, a stylized ExxonMobil, is a U.S. multinational oil and gas company based in Irving, Texas. It is the largest direct descendant of Standard Oil' John D. Rockefeller, and was formed on November 30, 1999 through the merger of Exxon (formerly Standard Oil, New Jersey) and Mobil (formerly Standard Oil in New York). ExxonMobil's main brands are Exxon, Mobil, Eso and ExxonMobil Chemical. One of the world's largest companies in terms of revenue, ExxonMobil varied from 1996 to 2017 from the first to sixth largest public shareholding company by market value. The company ranked third in the world in the 2000 Forbes Global List in 2016. ExxonMobil was the 10th most profitable Fortune 500 in 2017. As of 2018, the company ranked second in the Fortune 500 ranking of the largest U.S. companies in terms of total revenue. Enterprises manage approximately 55.56% of the company's shares. As of March 2019, ExxonMobil's largest shareholders were Vanguard Group (8.15%), BlackRock (6.61%) and State Street Corporation (4.83%).