Sotera Health (formerly Sterigenics International) is a provider of mission-critical sterilization and lab testing and advisory services to the medical device and pharmaceutical industries. It delivers end-to-end sterilization as well as microbiological and analytical lab testing and advisory services to help ensure that medical, pharmaceutical, and food products are safe for healthcare practitioners, patients, and consumers. Sotera Health brings together three companies: Sterigenics, Nelson Labs, and Nordion.