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About IMI Severe Service

IMI Severe Service is a part of IMI plc and shares a common goal – to convert industry knowledge and market insight into customized, design-engineered solutions that give customers a valuable advantage.

As a part of the IMI family, IMI Severe Service customers and employees benefit from IMI's dynamic worldwide network of subsidiary businesses.  IMI's commitment to ongoing product development and longstanding reputation for technology leadership enhance IMI Severe Service's ability to lead the way in severe service valve performance.

IMI Severe Service is comprised of the following businesses:

  • CCI – Control Valves
    CCI strives to be the world leader in meeting severe service valve and control needs of our customers through excellence of product and services, provided by a team of highly motivated severe service experts.
  • STI – Actuation and Control
    Founded in 1960, STI earned very soon a sound reputation as a leading manufacturer of control actuators on the world market.  STI activity was started by a small team of engineers involved in the design and manufacture of control valves.
  • IMI Nuclear – Nuclear Division
    Headquartered in Switzerland, IMI Nuclear is a leader in providing goods and services to the Nuclear power industry, including new builds, PLEX, and the full range of aftermarket services.
  • Truflo – Isolation Valves
  • Zimmermann & Jansen – Severe Service Valves
    Zimmermann & Jansen, Inc. is a specialty high temperature, severe service, custom designed valve company with a long history of supplying valves to the integrated steel mills, petroleum refineries, and chemical industry.