JENOPTIK operates in more than 80 countries. Optical technology is the cornerstone of our business. Our customers include companies in the semiconductor equipment industry, the automotive industry and suppliers to the automotive industry, the medical technology industry, the defense and security industry and the aviation industry. In 2018, we achieved revenues of approximately €834 million. It is headquartered in Jena, Thuringia. In addition to our main branches in Germany, we also have production and assembly plants in Europe, the United States and Asia, where we employ around 4,000 people. JENOPTIK AG is listed on the Frankfurt Stock Exchange and is listed in the TecDax Index. [more]