One of the largest road construction material companies in the United States will soon be setting up shop at Port San Antonio. Atlanta-based Oldcastle Materials plans to build an asphalt plant and distribution center on 9 acres at the port's East Kelly Railport, according to a news release by Port San Antonio. With plans to open in the spring, the new facility will employ 40 people and enable the company to receive raw materials, prepare asphalt products on-site and deliver them to road and highway...