Trutec Industries will add a new 55,000-square-foot building to its existing 79,000-square-foot site in Springfield, Ohio. The facility will house new heat-treatment furnaces to accommodate increased sales and provide better customer support. Trutec, which is owned by Nihon Parkerizing Co. of Tokyo, operates three other facilities in the U.S. The Springfield facility, which serves the automotive and appliance industries, opened in 1990 and supports over 150 employees.