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 and Energy Group. The Infrastructure Group segment consists of five business units, three of which design, engineer, manufacture and market a complete line of asphalt plants, asphalt pavers and related components and ancillary equipment. The Aggregate and Mining Group segment consists of eight business units that design, manufacture and market heavy equipment and parts in the aggregate, metallic mining, quarrying, recycling, ports and bulk handling industries. The Energy Group segment consists of six business units that design, manufacture and market heaters, gas, oil and combination gas/oil burners, combustion control systems, drilling rigs, concrete plants, wood chippers and grinders, pump trailers, commercial and industrial burners, combustion control systems, storage equipment and related parts to the oil and gas, construction and water well industries. . The company was founded by J. Don Brock on August 9, 1972 and is headquartered in Chattanooga, TN.