Truswal Systems Corporation, an ITW Company, is a leading supplier of software, products and services to the component industry, including metal plate connected wood trusses, wall panels and light-gauge steel components. ......Truswal Systems Corporation, an ITW Company, is a leading supplier of software, products and services to the component industry, including metal plate connected wood trusses, wall panels and light-gauge steel components. Truswal Systems has invested millions of dollars and thousands of labor hours toward the development of state-of-the-art programs for component design, engineering, building layout, and truss plant management, in addition to the development and manufacturing of SpaceJoist®, SpaceJoist TE® and connector plates to become an industry leader and innovator.