蔡司公司
Carl Zeiss AG is the holding of all subsidiaries within Zeiss Group, of which Carl Zeiss Meditec AG is the only one that is traded at the stock market. Carl Zeiss AG is owned by the foundation Carl-Zeiss-Stiftung. The Zeiss Group has its headquarters in southern Germany, in the small town Oberkochen with its second largest and founding site being Jena in eastern Germany. Also controlled by the Carl-Zeiss-Stiftung is the glass manufacturer Schott AG, located in Mainz and Jena. Carl Zeiss is one of the oldest existing optics manufacturers in the world.