Our history

Siège social STI Group

The Group

STI Surface
Hartchrome AG Plating | STI Group

Excellence in functional surfaces, from Switzerland to the world.

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Our strength

Innovation
at the service of industry

Far more than a service provider, STI Group is a solutions partner. Our state-of-the-art facilities enable us to process:

  • High-volume serial production parts
  • Complex-geometry components
  • Series parts, in large quantities
  • Very large components

Every technical challenge is an opportunity to innovate.

sti-group
Marchés STI Group

Our
markets

STI Group works with the most demanding players in global industry:

  • Automotive and powertrain
  • Paper, printing and film
  • Shipbuilding
  • Food processing
  • Aerospace and defence
  • Industrial construction
  • Power generation
  • Textile and foil

Why choose
STI Group

« Global expertise, tailored solutions »

  • International expertise – A global presence supporting your local projects
  • International expertise – Equipment designed for the most complex industrial challenges
  • Responsiveness – Tailored solutions, delivered on your timeline
  • Certified quality – Rigorous standards for the most demanding industries
le-groupe-sti

1957

Hartchrom AG founded by Théo Keel.

2000

Start of aeronautics operations: Acquisition of two sites in France: Arudy and Oloron.

2011

Acquisition of Avia Peinture, specializing in painting and assembly processes.

Acquisition of the Saint-Martin-de-Seignanx site, specializing in liquid painting for metal and composite parts.

2021

Prodec Métal, the European leader in decorative surface treatment for aircraft interiors, relocates to Arudy.

2022

Opening of the SURTIP site in Portugal.