{ "schemaVersion": 1, "organisationId": "O-ac28190ec53e4af58ad44e90161624a7", "slug": "sotera-health-co", "name": "Sotera Health Co", "updatedAt": "2026-10-02T16:37:08.070217Z", "sections": [ { "type": "OVERVIEW", "text": "Sotera Health is a global healthcare-services company providing outsourced sterilization, laboratory testing and advisory services to medical-device, pharmaceutical and food-product supply chains. Its mission is “Safeguarding Global Health®.” [P12092944][https://soterahealth.com/about/our-purpose-and-values/] The company’s three segments are Sterigenics, which provides contract sterilization using gamma, ethylene oxide and electron-beam technologies; Nordion, which supplies Cobalt-60, irradiation systems and related services; and Nelson Labs, which provides microbiological and analytical chemistry testing and advisory services. [P70380073][P117968031][P117052750][P101238200][P5876919][P120723494]\n\nSotera Health operates primarily across the Americas, Europe and Asia. [P28457072] For 2025, it reported revenue of approximately $1.16 billion; at year-end it had more than 3,000 employees worldwide, and its sterilization network comprised 48 facilities in 13 countries. [T3553276][P17946187][P69613681]\n[P12092944][P70380073][P117968031][P117052750][P101238200][P5876919][P120723494][P28457072][T3553276][P17946187][P69613681][https://soterahealth.com/about/our-purpose-and-values/]", "updatedAt": "2026-10-02T16:37:08.070217Z" }, { "type": "PRODUCTS", "text": "Sotera Health’s Sterigenics business provides outsourced terminal sterilization using gamma irradiation, ethylene oxide (EO), electron beam (E-beam) and X-ray irradiation; the company also reports investment in nitrogen dioxide (NO₂) sterilization. Treatments are performed to validated, customer-specific specifications. Its 2025 Form 10-K reported 23 gamma, 17 EO and eight E-beam facilities, with X-ray facility qualification underway. [P100633552][P117968031][P27477108]\n\nNordion supplies cobalt-60 (Co-60) sources for gamma sterilization and irradiation, as well as gamma irradiation systems. Named products include C-188 Co-60 sources and the GammaFIT™, JS-10000, GammaBeam™-127 and Parallel Row Pallet systems. Related offerings include source installation and disposal, and system refurbishment and installation. [P117052750][P79842845][https://www.nordion.com/products/][https://www.nordion.com/products/irradiation-systems/][https://www.nordion.com/products/c-188-cobalt-60-sources/]\n\nNelson Labs provides outsourced microbiological and analytical-chemistry testing, technical assistance, regulatory consulting and advisory services for medical-device and pharmaceutical companies. Specific services include bacterial-endotoxin testing, periodic dose audits for irradiated devices, biological-indicator testing for EO-sterilized devices, and testing non-sterile products for objectionable organisms; its service page lists more than 900 laboratory tests. [P5876919][P120723494][P966386][https://soterahealth.com/service/]\n\nIn FY2025, Sotera reported revenue of $1,163.6 million: Sterigenics contributed $755.8 million (64.9%), Nordion $187.6 million (16.1%), and Nelson Labs $220.2 million (18.9%). The filing does not break out revenue by Sterigenics sterilization modality. [T3553276][P113670862]\n[P100633552][P117968031][P27477108][P117052750][P79842845][https://www.nordion.com/products/][https://www.nordion.com/products/irradiation-systems/][https://www.nordion.com/products/c-188-cobalt-60-sources/][P5876919][P120723494][P966386][https://soterahealth.com/service/][T3553276][P113670862][https://www.nordion.com/products/][https://www.nordion.com/products/irradiation-systems/][https://www.nordion.com/products/c-188-cobalt-60-sources/][https://soterahealth.com/service/]", "updatedAt": "2026-10-02T16:37:08.070217Z" }, { "type": "GEOGRAPHY", "text": "At year-end 2025, Sotera Health reported 62 facilities worldwide, more than 3,000 employees, and customers in over 50 countries. Its Sterigenics sterilization network comprised 48 facilities in 13 countries. The company did not report employee distribution by geography. [P18349816][P69613681]\n\nNelson Labs describes its facilities as spanning the United States, Europe, Asia, and Mexico, with named locations including Salt Lake City, Mexico City, Shanghai, Leuven, and Petit-Rechain. Nordion’s Co-60 processing and quality-testing facility is in Ottawa, Ontario, Canada. Sotera Health’s corporate headquarters are in Broadview Heights, Ohio. [https://www.nelsonlabs.com/locations/][P20582724][https://soterahealth.com/contact/]\n\nThe company’s 2025 Form 10-K does not provide revenue by country or region; its reported revenue is presented by operating segment rather than geography. [https://www.sec.gov/Archives/edgar/data/1822479/000182247926000015/shc-20251231.htm]\n[P18349816][P69613681][https://www.nelsonlabs.com/locations/][P20582724][https://soterahealth.com/contact/][https://www.sec.gov/Archives/edgar/data/1822479/000182247926000015/shc-20251231.htm][https://www.nelsonlabs.com/locations/][https://soterahealth.com/contact/][https://www.sec.gov/Archives/edgar/data/1822479/000182247926000015/shc-20251231.htm]", "updatedAt": "2026-10-02T16:37:08.070217Z" }, { "type": "SEGMENTS", "text": "Sotera Health reports three operating segments. Sterigenics provides terminal sterilization services, including gamma, ethylene oxide (EO), and electron-beam sterilization; it generated $755.8 million, or approximately 65.0% of 2025 revenue. [P117968031][T3553276] Nordion supplies cobalt-60 (Co-60) for sterilization, irradiation, and cancer treatment, and gamma irradiation systems; it generated $187.6 million, or approximately 16.1% of revenue. [P117052750][P11755466][T3553276]\n\nNelson Labs provides outsourced microbiological and analytical chemistry testing and advisory services for medical-device and pharmaceutical companies, including assessments of product quality, effectiveness, safety, and sterility. It generated $220.2 million, or approximately 18.9% of revenue. [P5876919][T3553276] Percentages are calculated from the segments’ reported 2025 revenue and consolidated revenue of $1,163.6 million. [T3553276]\n[P117968031][T3553276][P117052750][P11755466][T3553276][P5876919][T3553276][T3553276]", "updatedAt": "2026-10-02T16:37:08.070217Z" }, { "type": "HISTORY", "text": "Sotera Health’s history brings together several predecessor businesses: Sterigenics traces its sterilization services to the 1930s, Nordion’s history dates to 1946, and Nelson Labs was founded in 1985. [https://soterahealth.com/our-history/][https://www.nelsonlabs.com/news/nelson-laboratories-celebrates-30-years-supporting-life-saving-medical-device-innovation/] In 2014, Sterigenics acquired Nordion, expanding the platform to include medical isotopes and irradiation systems. [https://www.nordion.com/nordion-announces-completion-acquisition-sterigenics-international/]\n\nIn 2015, funds affiliated with Warburg Pincus and GTCR acquired a controlling interest in the predecessor to Sotera Health. [https://www.sec.gov/Archives/edgar/data/1822479/000119312520299567/d93452d424b4.htm] Sterigenics International acquired Nelson Laboratories in 2016, adding laboratory testing, and its parent changed its name to Sotera Health LLC in 2017. [https://sterigenics.com/sterigenics-international-acquires-nelson-laboratories-inc/][https://sterigenics.com/sterigenics-international-llc-changes-name-to-sotera-health-llc/]\n\nIn 2020, Sterigenics acquired Iotron Industries, and Sotera Health Company completed its public offering, with shares beginning to trade on Nasdaq on November 20. [https://soterahealth.com/wp-content/uploads/2020/07/IOTRON-ACQUISITION-PRESS-RELEASE.pdf][https://investors.soterahealth.com/ir-resources/investor-faqs][P14471127] In 2021, Sotera acquired Regulatory Compliance Associates, extending its service offering into regulatory consulting. [https://www.nelsonlabs.com/news/sotera-health-announces-acquisition-of-wisconsin-based-regulatory-compliance-associates/]\n[P14471127][https://soterahealth.com/our-history/][https://www.nelsonlabs.com/news/nelson-laboratories-celebrates-30-years-supporting-life-saving-medical-device-innovation/][https://www.nordion.com/nordion-announces-completion-acquisition-sterigenics-international/][https://www.sec.gov/Archives/edgar/data/1822479/000119312520299567/d93452d424b4.htm][https://sterigenics.com/sterigenics-international-acquires-nelson-laboratories-inc/][https://sterigenics.com/sterigenics-international-llc-changes-name-to-sotera-health-llc/][https://soterahealth.com/wp-content/uploads/2020/07/IOTRON-ACQUISITION-PRESS-RELEASE.pdf][https://investors.soterahealth.com/ir-resources/investor-faqs][https://www.nelsonlabs.com/news/sotera-health-announces-acquisition-of-wisconsin-based-regulatory-compliance-associates/]", "updatedAt": "2026-10-02T16:37:08.070217Z" } ], "sources": [ { "id": 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