Sotera Health has a long history of Safeguarding Global Health® with a combined tenure across our three best-in-class companies of nearly 200 years. Sterigenics has provided safe sterilization services since the 1930s. Nordion has established expertise in gamma technologies and medical isotopes since 1946. Nelson Labs has provided expert lab testing since 1985. We have an impressive history of providing innovative, safe sterilization and lab services to our customers.