Smith-Midland Corporation invents, develops, manufactures, markets, leases, licenses, sells, and installs precast concrete products and systems in the United States. It offers SlenderWall lightweight construction panel, lightweight exterior cladding used for the exterior walls of buildings; Sierra Wall that provides sound and sight barrier for use alongside highways around residential, industrial, and commercial properties; J-J Hooks highway safety barriers, used on roadways to separate lanes of traffic in construction work zone or traffic control purposes; Easi-Set precast building and Easi-Span expandable precast buildings, used in housing communications operations, traffic control systems, and mechanical and electrical stations; 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, it absorb highway noise; Beach Prisms erosion control modules for seawalls and jetties; and H2Out secondary drainage systems for panelized exterior cladding. It licenses its proprietary products in the United States, Canada, New Zealand, Australia, Belgium, Mexico, and Trinidad. The company 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. It serves its products to construction, highway, utilities, and farming industries. Smith-Midland Corporation was founded in 1960 and is based in Midland, Virginia.