Sotera Health is a global provider of mission-critical sterilization, laboratory testing, and advisory services for healthcare, pharmaceutical, and food industries. The company operates three primary business segments: Sterigenics, which runs the world's largest outsourced sterilization network using gamma irradiation, ethylene oxide, and electron-beam technologies across multiple facilities; Nordion, which supplies Cobalt-60 sources and gamma irradiation systems for medical device sterilization; and Nelson Labs, which offers microbiological and analytical chemistry testing and regulatory advisory services. Sotera serves thousands of customers including leading medical device and pharmaceutical manufacturers, generating revenue primarily through multi-year service contracts that provide recurring, predictable income, with the majority of customers locked into long-term agreements and high renewal rates.