Simpson Manufacturing Co. (NYSE: SSD) specializes in designing, engineering, and selling wood and concrete construction products through its subsidiaries. Their wood construction products range includes connectors, truss plates, and fastening systems primarily for light-frame construction, while their concrete construction products comprise adhesives, mechanical anchors, and fiber-reinforced materials for use in concrete, masonry, and steel construction. Additionally, they provide various repair and strengthening products like grouts, coatings, and sealers for concrete construction. The company also offers connectors and lateral products for various construction applications, along with engineering, design services, and software solutions to assist with product specification and selection. Simpson Manufacturing primarily markets its products to residential, light industrial and commercial construction sectors, as well as the remodeling and do-it-yourself markets.