Smith-Midland Corp. engages in developing, manufacturing, marketing, leasing, licensing, selling, and installing of precast concrete products. The firm's products include SlenderWall Lightweight Construction Panels, Sierra Wall, J-J Hooks Highway Safety Barrier, Easi-Set Precast Buildings and Easi-Span Expandable Precast Buildings, Easi-Set Utility Vault, SoftSound Soundwall Panels, Beach Prisms Erosion Control Modules and Beach Prisms Erosion Control Modules. SlenderWall is lightweight, energy efficient concrete and steel exterior wall panel for use in building construction. J-J Hooks Highway Safety Barrier is a positive-connected highway safety barrier. SoftSound a proprietary sound absorptive finish used on the face of sound barriers to absorb traffic noise. Sierra Wall is a sound barrier primarily for roadside use. Easi-Set and Easi-Span are transportable concrete buildings. The company founded by Rodney I. Smith and David G. Smith in 1960 and is headquartered in Midland, VA.