Profile: Marken Tool Co., Inc. produces precision parts, components and fabrications for the crane, lifting, construction & automotive industries. Our job shop offers CNC turning, CNC milling, CNC grinding, CNC EDM, welding, painting and assembly services. We are equipped with vertical machining center, CNC lathe, EDM machines, CNC grinder, cylindrical grinder, surface grinder and welding machines. Our products include boom pins & shafts, links & clevises, weldments, components and sheaves & pulleys.