American global investment is headquartered in what city?
Principal Group "For the unrelated American global investment management organization, see Principal Financial Group."
ExxonMobil Exxon Mobil Corporation is an American multinational oil and gas corporation headquartered in Irving, Texas. 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).