Verified Nov 2026
Other
·
Mentor, Ohio
·
Since 1972
STERIS AST, formerly STERIS Isomedix Services, is a contract sterilization, laboratory testing, and product and packaging testing provider headquartered in Mentor, Ohio. Founded in 1972, it operates as a segment of STERIS plc and employs between 500 and 1,000 people. The company uses electron beam, gamma, ethylene oxide, and X-ray sterilization methods, primarily serving medical device and pharmaceutical manufacturers. In 2026 it announced a new electron beam processing facility in Montreal, Canada, and completed an expansion of its X-ray facility in Venlo, The Netherlands.
Steris at a glance
Employees
500-1,000
Founded
1972
Headquarters
Mentor, Ohio
Certifications
ISO 13485
Import activity
5019
Industries
Automotive
Electric Vehicles
Medical
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
5019
Named foreign suppliers
50
Top origins
Costa Rica · Belgium · Germany · United Kingdom
Shared foreign counterparties do not establish that these companies buy from Steris.
What this tells a buyer
STERIS AST announced a new electron beam processing facility in Montreal, Canada on 2026-08-24, according to its company website.
The company offers contract sterilization, microbiological and analytical laboratory testing, validation services for medical devices and pharmaceutical packaging, and integrated sterilization equipment and control systems, and holds ISO 13485 certification.
STERIS AST operates as a segment of STERIS plc and serves the medical, automotive, electric-vehicle, and industrial equipment sectors.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
54 years in operation (founded 1972).
Holds ISO 13485 certification(s) per public sources.
Overview
STERIS AST, formerly STERIS Isomedix Services, is a contract sterilization, laboratory testing, and product and packaging testing provider headquartered in Mentor, Ohio. Founded in 1972, it operates as a segment of STERIS plc and employs between 500 and 1,000 people. The company uses electron beam, gamma, ethylene oxide, and X-ray sterilization methods, primarily serving medical device and pharmaceutical manufacturers. In 2026 it announced a new electron beam processing facility in Montreal, Canada, and completed an expansion of its X-ray facility in Venlo, The Netherlands.
At a glance
Attribute | Detail |
|---|---|
Founded | 1972 |
Headquarters | Mentor, Ohio |
Employees | 500-1,000 |
Certifications | ISO 13485 |
What Steris makes
The company offers contract sterilization, microbiological and analytical laboratory testing, validation services for medical devices and pharmaceutical packaging, and integrated sterilization equipment and control systems, and holds ISO 13485 certification.
Certifications
Steris is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 13485 — steris.com
Trade and customs footprint
STERIS AST announced a new electron beam processing facility in Montreal, Canada on 2026-08-24, according to its company website. US customs bill-of-lading records list 5019 inbound shipments across 50 foreign suppliers, with top origins including Costa Rica · Belgium · Germany · United Kingdom.
Latest developments
2026-10-08 — STERIS Completes Expansion of Venlo, The Netherlands X-ray Facility | STERIS AST (steris-ast.com)
2026-09-29 — STERIS Expands Laboratory Testing Capabilities in Costa Rica | STERIS AST (steris-ast.com)
2026-09-07 — STERIS AST Expands Laboratory Services Offering | STERIS AST (steris-ast.com)
2026-08-24 — STERIS Announces New Electron Beam Processing Facility in Montreal, Canada | STERIS AST (steris-ast.com)
2026-07-27 — STERIS Announces New X-ray Processing Facility in Höchstadt, Germany | STERIS AST (steris-ast.com)
2026-06-26 — STERIS Announces Completion of Chester, New York Expansion to Include X-ray Processing | STERIS AST (steris-ast.com)
Facilities
Steris is headquartered in Mentor, Ohio. Public sources also reference these locations:
Montreal, Canada — steris-ast.com
Spartanburg, South Carolina — steris-ast.com
Company details
STERIS AST operates as a segment of STERIS plc and serves the medical, automotive, electric-vehicle, and industrial equipment sectors. Steris was founded in 1972, has an estimated 500-1,000 employees, and is headquartered in Mentor, Ohio. On the LightSource stability read it is rated "Established & active": 54 years in operation (founded 1972). Holds ISO 13485 certification(s) per public sources.
Frequently asked questions
What does Steris do?
STERIS AST, formerly STERIS Isomedix Services, is a contract sterilization, laboratory testing, and product and packaging testing provider headquartered in Mentor, Ohio. Founded in 1972, it operates as a segment of STERIS plc and employs between 500 and 1,000 people. The company uses electron beam, gamma, ethylene oxide, and X-ray sterilization methods, primarily serving medical device and pharmaceutical manufacturers. In 2026 it announced a new electron beam processing facility in Montreal, Canada, and completed an expansion of its X-ray facility in Venlo, The Netherlands.
Where is Steris headquartered?
Steris is headquartered in Mentor, Ohio (5960 Heisley Road, Mentor, Ohio, 44060).
When was Steris founded?
Steris was founded in 1972.
How big is Steris?
Steris has an estimated 500-1,000 employees.
What certifications does Steris hold?
Steris lists ISO 13485 on its website. Confirm the certified scope for the specific plant producing your part.
Does Steris import from overseas suppliers?
US customs bill-of-lading records show 5019 inbound shipments for Steris, with top origins including Costa Rica · Belgium · Germany · United Kingdom.
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Last verified Nov 2026. Is this your company? Request a correction.
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