Where is CEMEX headquarters? Where is Buzzi listed? Where does the United States get most of its cement? When did cement become popular? What type of cement is no longer used? What is the history of Buzzi Unicem? What is cement called in the USA? What does Buzzi Unicem make? What does Buzzi do? Is Gucci struggling financially? Is Gucci publicly traded? Is CEMEX in debt? Is Buzzi Unicem publicly traded? How many cement plants are there in North America?