Established in 1992, Ciena (CIEN) is a technology company headquartered in Maryland, USA. Ciena employs over 5,000 employees across 80 countries. The company designs, develops and distributes software, services and equipment for telecommunications networking. Ciena is split into four business segments: Packet Networking, Software and Services, Optical Transport, and Converged Packet Optical. Over the years, the company has completed a number of acquisitions, teaming up with TeraXion, Cyan, World Wide Packets, Akara and others. Ciena shares are traded on the New York Stock Exchange (NYSE). To learn the latest Ciena share price, follow Capital.com.