American global investment is headquartered in what city?
Principal Group "For the unrelated American global investment management organization, see Principal Financial Group."
McDermott International McDermott International (formerly J. Ray McDermott) () is an American multinational engineering, procurement, construction and installation company with operations in the Americas, Middle East, the Caspian Sea and the Pacific Rim. It is incorporated in Panama and headquartered in Houston, Texas, United States.