Mechanical Engineering Stockton-on-tees, Stockton - Welcome to the Stockton-on-tees Mechanical Engineering Directory listing recommended mechanical engineering companies in Stockton-on-tees. It lists those who offer mechanical engineering in Stockton-on-tees, Stockton. Do you have a Stockton-on-tees business? If so, why not advertise it on the Stockton-on-tees Business Directory - IT'S FREE.