AMS/4U has been in its existing version successfully implemented with many medium-sized commercial and industrial enterprises for the last years. In the meantime all AMS/4U customers have been looked after by the Terna Group. Both at the headquater in Innsbruck as well as in Vienna their own AMS/4U consultant and development teams take care of the concerns of customers and expand and optimize the solution for new demands in the market or individual requirements of each company.