As a specialist for identification technology, Ferdinand Eisele GmbH operates internationally with the brand "eXtra4 Labelling Systems" for the industry and trade of jewellery, watches and gemstones. Its field of activity is the manufacturing of labels for product marking and process organisation. Software development and hardware distribution make the company a supplier of complete labelling systems. The subsidiary "eXtra4 Software + Service GmbH" supports several thousand licensed users of eXtra4 software with their labelling systems worldwide.