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Chemed Corp operates subsidiaries in two main segments: VITAS and Roto-Rooter. The VITAS segment generates the majority of the firm's revenue. It provides hospice and palliative care services to patients with terminal illnesses through a network of physicians, registered nurses, home health aides, social workers, and volunteers. The vast majority of the segment's revenue is received from the Medicare and Medicaid reimbursement programs. The Roto-Rooter segment provides plumbing, drain cleaning, water restoration, and related services to residential and commercial customers. Chemed generates the majority of its revenue from business in the United States.
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.