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Turnkey Solutions

Process engineering plant, tank and pipeline construction

Based on many years of experience, expert knowledge and innovative ideas, IST delivers tailor-made single and turnkey solutions in stainless steel for a wide range of industries.

Expertise from one source

Engineering and Construction

Our engineers support you from design to execution and, if desired, take over the complete planning and construction of your plant.


On more than 4000 m2 of production area with a modern machine park, we process up to 2000 tons of stainless steel every year at our site in Thun.

Installation, Commissioning and Maintenance

Our trained engineers have many years of experience in the assembly of pipelines, tanks and complete process plants.

General Contractor

On request, we can act as a general contractor for integrated projects and assume the responsibility of coordinating all sub-contracts on your behalf.


With our in-house electrical department, we supply you with complete systems and apparatus with electrical and pneumatic control, PLC and required programming and startup.

Prüfverfahren und Einrichtungen

  • X-ray
  • Photo and video endoscoping
  • Ferrite content and oxygen measurement
  • Dye/colour penetration


As TÜV-certified CE Coordinator we support you in compliance with and implementation of the Machinery Directive 2006/42/EC.

Customers who have trusted us for many years, thank you!

 Download complete Reference list (available in German only) 

The brand IST stands for the highest quality

“Swiss Made” stands for top quality, precision, reliability and exclusivity. Since 1975 we have committed ourself to bringing this concept to the market through the production high quality systems. In order to ensure that Swiss standards of quality are met in every sense, IST‘s products are exclusively produced by our qualified staff at our location in Switzerland. More about us 

Stainless steel components are easy to clean, virtually maintenance free and durable.

Stainless steel is strong, corrosion resistant, wear resistant and resilient.

Stainless steel is aesthetically pleasing.

Stainless steel has a better energy and resource use balance and is 100% recyclable

Stainless steel ensures the highest hygienic standards.

Technically and economically, stainless steel is probably the best solution.