Chemed Corp purchases, operates, and divests subsidiaries engaged in diverse business activities to maximize shareholder value. Through its subsidiaries, the company operates in the following segments: VITAS and Roto-Rooter. The VITAS segment generates the majority of the firm's revenue and 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 Roto-Rooter segment provides plumbing, drain cleaning, water restoration, and related services to residential and commercial customers.