STERIS is a global infection prevention company that supplies integrated portfolios of consumables, capital equipment, and services to healthcare providers, medical device manufacturers, and pharmaceutical companies worldwide. The company operates through three segments: Healthcare (serving hospitals, surgical centers, and endoscopy suites with sterilization equipment, cleaning chemistries, and maintenance services), Applied Sterilization Technologies (providing contract sterilization and laboratory testing to medical device and pharmaceutical manufacturers), and Life Sciences (supplying equipment and chemicals for aseptic pharmaceutical and medical device production). STERIS generates revenue through consumable product sales, equipment sales and installation, maintenance contracts, repair services, laboratory testing, and outsourced reprocessing, benefiting from structural demand drivers including aging populations, growth in preventive procedures, and customer focus on operational efficiency.