Astec Industries, Inc. designs, engineers, manufactures and markets equipment and components used primarily in road building, utility and related construction activities as well as other products. It operates through the following segments: Infrastructure Group; Aggregae and Mining Group; Energy Group; and Corporate. The Infrastructure Group segment designs, manufactures, and sells a line of portable, stationary and relocatable hot-mix asphalt plants, wood pellet plants, asphalt pavers, material transfer vehicles, stabilizers, milling machines, paver screeds and related ancillary equipment. The Aggregate and Mining Group segment consists of a line of jaw crushers, cone crushers, horizontal shaft impactors, vertical shaft impactors, material handling, roll rock crushers and stationary rockbreaker systems, vibrating feeders and high frequency vibrating screens, conveyors, inclined, vertical and horizontal screens and sand classifying and washing equipment. The Energy Group segment offers