Our History

STERIS is founded as Innovative Medical Technologies with five employees by Microbiologist Raymond Kralovic, Ph.D. in Mentor, Ohio.

Financing is secured, and research and development continue on a liquid chemical sterilization system.

Bill Sanford secures $1.2 million in financing and joined Innovative Medical Technologies.

Bill Sanford is named first President and CEO and changes the company’s name to STERIS Corporation.

The first unit of our founding product, SYSTEM 1, is manufactured and shipped.

*SYSTEM 1 is not available for sale in the U.S.

STERIS makes an initial public offering of shares of common stock at $7 a share, and the Company is registered on the NASDAQ exchange as STRL.

STERIS acquires AMSCO International, Inc., a provider of sterilization systems, surgical tables and lights, and related infection prevention products and services, and Calgon Vestal Laboratories, a provider of infection prevention consumables.

STERIS acquires Isomedix Services, the leading provider of contract sterilization and microbial reduction services.

STERIS moves to the New York Stock Exchange (NYSE) under the ticker symbol STE.

STERIS CFO Les C. Vinney is named second president and CEO. 

STERIS grows to more than 4,500 Associates and $760 million in sales.

Revenue reaches $1 BILLION.

Albert Browne is acquired.

Walt Rosebrough becomes the third president and CEO.

STERIS acquires US Endoscopy, a leader in the design, manufacture, and sale of therapeutic and diagnostic medical devices and support accessories used in gastrointestinal (GI) endoscopy markets worldwide.

STERIS grows to 5,000 Associates in 60 countries.

STERIS acquires Integrated Medical Systems International, Inc. (IMS), a surgical instrument management and clinical consulting company.

STERIS went on to acquire a dozen instrument repair franchises to become a provider of these services throughout the U.S.

STERIS acquires Synergy Health, a global leader in outsourced sterilization services.

The combined global company is incorporated in the U.K. under the name STERIS plc. U.S. operational headquarters remained in Mentor, Ohio.

STERIS acquires General Econopak (GEPCO), a manufacturer of barrier protection products.

$2 BILLION in revenue reached.

Lean Steering Committee created.

A Lean Steering Committee is a cross-functional team of key leaders and Associates from various departments that helps a company achieve its lean transformation and ensure that its lean initiatives are aligned with its strategic goals and are successful.

STERIS joins the S&P 500.

STERIS redomiciles from the U.K. to Ireland.

Revenue reaches $3 BILLION.

STERIS acquires Key Surgical, a global provider of sterile processing department, operating room, and endoscopy consumables that support procedures in hospitals and surgery centers.

STERIS acquires Cantel Medical, a global provider of infection prevention products and services to endoscopy and life sciences Customers.

Dan Carestio is named the fourth president and CEO.

STERIS acquires the surgical instrumentation portfolio from medical device manufacturer BD (Becton, Dickinson, and Company), including V. Mueller™ surgical and laparoscopic instruments.