Stericycle, Inc. engages in the provision of waste management services. It operates through the following segments: Domestic and Canada Regulated Waste and Compliance Services (RCS); International RCS; and Domestic CRS. The Domestic and Canada RCS segment manages medical and pharmaceutical waste disposal, hazardous wastes, and unused and expired inventory. The International RCS segment includes patient transport services. The Domestic Communication and Related Services segment consists of inbound/outbound communication, automated patient reminders, online scheduling, notifications, product retrievals, product returns, and quality audits. The company was founded in March 1989 and is headquartered in Lake Forest, IL.