Unna Kettenfabrik, Ultrakust, Uniloy / Johnson Controls, Unimix, Union Spezial, Uhlman, Uhlmann Pac-Systeme, Uniloy, Uraca, Universal Maschinenbau, Universal, Ultrakust Electronic, Union, Ultrafilter, Ultra Filter, Unna, Univer, Uhlmann, Unimatic, Uhlmann