Fabrication and finishing of customized metal tubing for others, including cold drawn seamless, electrical resistance welded and hot stretched reduced, drawn over mandrel, and chrome plated metal processes for others; and metalworking services, including boring, extruding, machining, press forming, flaring, perforating, punching, swaging, grinding, cutting, tapping, welding, drilling, notching, turning, upsetting, laser cutting, heat treating, and honing of work pieces for others