Welcome to STI Group Switzerland

The STI Group is known for its innovative, high-quality surface solutions for industrial companies with sophisticated requirements. Its excellent infrastructure, specialized expertise and strong innovative drive make STI Group the preferred surface finishing partner worldwide.

Highlights

  • In-house R&D laboratory for the development of new surface solutions and precise quality records using micrography and crack testing etc.
  • Automated continuous chrome plating for cost-effective coating of profiled and smooth shafts of up to 12 meters in length to customer specifications.
  • STI Express Service, Marine & Powertrain – 24/7 
  • Mobile Repair Service for repairs on site – worldwide. 
  • Certified to ISO 9001 and 14001, German Lloyd.
Business areas in Switzerland
Surface treatments in Switzerland

Informationen

Capacities
Production area: 26'000 m² 
Number of employees: 187

Foundation
1957

Holder and Chairman STI Group
Dr. Edgar Oehler

Hartchrom AG

Schulstrasse 70
9323 Steinach
Switzerland

> T +41 71 447 97 97
> F +41 71 447 97 93

> sti@sti-surface.com
> Route planning

Hartchrom Defense Technology AG

Schulstrasse 70 
9323 Steinach 
Switzerland

> T +41 71 447 97 97 
> F +41 71 447 97 93

> sti@sti-surface.com
> Route planning

STI Surface Technologies
International Holding AG 

Schulstrasse 70 
9323 Steinach 
Switzerland

> T +41 71 447 97 97 
> F +41 71 447 97 93

> sti@sti-surface.com
> Route planning

Certification

We regularly check our quality standards with external partners.