Astec Industries, Inc. designs, engineers, manufactures and markets equipment and components used primarily in road building and related construction activities as well as other products. It operates through the following segments: Infrastructure Group; Aggregate and Mining Group; Energy Group; and Corporate. The Infrastructure Group segment designs, engineers, manufactures, and markets a line of asphalt plants and their related components, asphalt pavers, screeds, milling machines, material transfer vehicles, stabilizers and related ancillary equipment. The Aggregate and Mining Group segment focuses on designing and manufacturing heavy processing equipment, as well as servicing and supplying parts for the aggregate, metallic mining, recycling, ports and bulk handling markets. The Energy Group segment supplies heavy equipment such as heaters, drilling rigs, concrete plants, wood chippers and grinders, pump trailers, storage equipment and related parts to the oil and gas, construction, and water well industries, as well as commercial and industrial burners used in commercial, industrial and process heating applications. The company was founded by J. Don Brock on August 9, 1972 and is headquartered in Chattanooga, TN.