Astec Industries, Inc. engages in the design, engineer, manufacture, and market of equipment and components used in road building and construction activities. The company is headquartered in Chattanooga, Tennessee and currently employs 4,148 full-time employees. Its Infrastructure Solutions segment designs, engineers, manufactures and markets a complete line of asphalt and concrete plants, components and ancillary equipment, and asphalt road construction equipment, industrial thermal systems, land clearing, recycling and other heavy equipment. Its Materials Solutions segment designs and manufactures heavy rock processing equipment, in addition to servicing and supplying parts for the aggregate, mining, recycling, ports and bulk handling markets. The firm's products are marketed both domestically and internationally primarily to asphalt producers; highway and heavy equipment contractors; utility contractors; sand and gravel producers; construction, demolition, recycle and crushing contractors; forestry and environmental recycling contractors, and others.