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Ciena Corp is a network and technology company. It provides network hardware, software, and services that support the transport, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks. It serves various industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises world-wide. The business activities function through Networking Platforms which generates maximum revenue; Platform Software and Services; Blue Planet Automation Software, and Global Services segments. Geographically, the company derives a majority of its revenue from the Americas, and the rest from the Asia-Pacific (APAC), and Europe, Middle East, and Africa (EMEA) region.
With assets of around $80 billion, Comerica is primarily a relationship-based commercial bank headquartered in Dallas. In addition to Texas, Comerica's other primary geographies are California and Michigan, with locations also in Arizona and Florida and select businesses operating in several other states as well as Canada and Mexico.