Where is the oil corporation located that is a direct descendant if the "wealthiest American of all time's" oil company?
ExxonMobil: Exxon Mobil Corporation is an American multinational oil and gas corporation headquartered in Irving, Texas. ExxonMobil:  It is the largest direct descendant of John D. Rockefeller's Standard Oil Company, and was formed on November 30, 1999 by the merger of Exxon (formerly Standard Oil Company of New Jersey) and Mobil (formerly the Standard Oil Company of New York).
i don't know