auto manufacturer(n = noun.group) auto maker, automaker, car maker, car manufacturer, carmaker - a business engaged in the manufacture of automobiles;
is a kind of maker, manufacturer, manufacturing business
is a member of automobile industry

arms manufacturer, auto, auto accessory, auto company, auto factory, auto limitation, auto loan, auto maker, auto mechanics, auto part, auto race, auto racing, auto tire, car manufacturer, food manufacturer, manufacturer