Ciena
Ciena Corporation (CIEN) is a global provider of networking systems, services, and software that support the delivery and transport of voice, video, and data services. The company operates in the telecommunications industry, offering solutions for optical networking, routing and switching, network automation, and software-defined networking. Ciena's core products and services are aimed at enabling communication service providers, data center operators, and enterprises to build more adaptive networks that respond to dynamic changes in demand and technology.