#323 Houston

Houston is the fifth-largest metropolitan area in the United States and has an outsized ___ on the U.S. economy. More than 90 percent of U.S. offshore oil and gas ___ takes place in the Texas Gulf Coast area, and the Houston region contains the largest ___ of energy, petrochemical, and refining industries in the United States. Houston is home to 25 percent of the country's petroleum refining capability, 40 percent of the nation's capacity for downstream chemical production, and the fastest-growing liquefied natural gas industry in the nation.