Top Vision has undertaken the installation of 67 queueing systems for the Public Power Corporation stores which are located all over Greece. These systems provide a better service the public. These queueing systems are interconnected with the administration centre, providing the full image of all stores. The system consists of thermal ticket printers, LED terminals at each work station and the central electronic LED panels that inform the clientele for the number waiting to be served, creating a pleasant working environment and a better customer service.