He can also assume that manufacturer or supplier in German-speaking countries are resident or at least have an establishment, which is customer-oriented and reliable available even after the purchase of a telematics system. All successfully tested TOPLIST providers receive a detailed corporate representation within this online provider list the company profile of the TOP LIST provider. The profile is available with a mouse click and contains extensive information about the company, products, contact data, has any independent user tests and awards. These profiles stand out strongly from the grey default entries in any other provider in the General list. TOPLIST provider detects the user also in the message block on telematics Markt.de, because here the logo as a clear distinguishing feature is obvious. And this labelling is all service pages on the website through telematics Markt.de are offered, also on Telematik.TV. of course also just tested telematics provider via the telematics-Finder.de heavily visited by prospective buyers will be taught. An indication of the TOP LIST provider as well as a ranking is done on the service side of telematics Apps.de.