Smith-Midland Corporation manufactures precast concrete products and systems through subsidiaries serving construction, highway, utilities, and farming industries across the eastern United States. The company designs and sells proprietary products including SlenderWall lightweight cladding, J-J Hooks highway safety barriers, Sierra Wall sound barriers, and Easi-Set prefabricated buildings, along with utility vaults, farm equipment, and custom architectural products. Revenue comes from direct sales of precast products to contractors and government agencies, barrier rental services, and a licensing model where roughly 70 licensees in the U.S., Canada, and internationally manufacture and sell the company's proprietary products for one-time fees and monthly royalties typically ranging 4% to 6% of their sales. The business depends on construction activity, government spending on infrastructure, and regional economic conditions, competing primarily on price, product durability, installation ease, customization, regulatory certifications, and service within its core markets.