Profile: Resist-O-Weld Service & Engineering specializes in the design, manufacture and sale of resistance seam welding equipment. We develop seam welding wheels, welding machinery and welding controls. We also offer re-engineering and updating older seam welding equipment for the domestic and international markets. Our brands include Newcor™ and Carando™. Our seam welder controls include single phase, three phase load distributing, three phase D.C. and three phase inverter types.