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. It also manufactures products and equipment used to provide these services. Chemed generates the majority of its revenue from business in the United States.