Sotera Health Co. SHC

What this company does

Sotera Health Company provides end-to-end sterilization as well as microbiological and analytical lab testing and advisory services for medical, pharmaceutical and food products in the United States and around the world. As of December 31, 2025, it employed over 3,000 employees worldwide. In 2025, its customers included over 40 of the top 50 medical device companies and nine of the top ten global pharmaceutical companies, based on revenue. Its sterilization services business comprises Sterigenics and Nordion. Its lab testing and advisory services business consists of Nelson Labs, which provides outsourced microbiological and analytical chemistry testing services for the medical device and pharmaceutical industries. Its Sterigenics business offers customers terminal sterilization services, primarily using three major commercial sterilization technologies: gamma irradiation, EO processing and E-beam irradiation. Its Nordion business supplies Co-60, used in sterilization and irradiation processes for the medical device, pharmaceutical, food safety, and high-performance materials industries, as well as in the treatment of cancer.

Written from the business description in Sotera Health Co's annual report to the U.S. Securities and Exchange Commission, filed 24 February 2026. Every sentence was checked against that document before publication.