Smith-Midland Corporation, through its subsidiaries, invents, develops, manufactures, markets, leases, licenses, sells, and installs precast concrete products primarily for use in the construction, highway, utilities, and farming industries. It offers SlenderWall, a lightweight construction panels for the exterior walls of building; Sierra Wall that provides sound and sight barrier for use alongside highways around residential, industrial, and commercial properties; J-J Hooks highway safety barriers for use on roadways to separate lanes of traffic in construction work zone or traffic control purposes; and Easi-Set precast building and Easi-Span expandable precast buildings for use in housing communications operations, traffic control systems, and mechanical and electrical stations. The company also provides Easi-Set utility vaults for house equipment, such as cable, telephone, or traffic signal equipment, and for underground storage, as well as custom-built utility vaults for special needs; SoftSound soundwall panels to absorb highway noise; Beach Prisms, an erosion control module for seawalls and jetties; and H2Out secondary drainage systems for panelized exterior cladding. In addition, it offers licenses its proprietary products in the United States, Canada, Belgium, New Zealand, Australia, Mexico, and Trinidad. It markets its products through in-house sales force and independent sales representatives to contractors performing public and private construction contracts, such as construction of commercial buildings, public and private roads and highways, airports, and municipal utilities; and federal, state, and local transportation authorities. Smith-Midland Corporation was incorporated in 1960 and is based in Midland, Virginia.