Metal Industry in
Sierre

Constellium Valais SA

Since 1989 · 101–500 empl.·4.6(27)

Constellium Valais SA is an industrial manufacturer operating aluminum casthouses, extrusion and plate production facilities. Its operations produce billets, slabs, large extruded profiles and high-value plates for the aerospace, defense, transportation and industrial markets.

Traitements Thermiques SA

Since 1967 · 1–10 empl.·4.6(13)

The core activity of TTM (Traitements Thermiques SA) is the development, manufacture and marketing of household and professional kitchen appliances, in particular raclette machines, fondue machines, grills, frying pans, warming trays and other kitchen appliances for the catering industry and private households.

Gustave Andenmatten SA

Since 1979 · 11–20 empl.

The core activity of Gustave Andenmatten SA is the manufacture and distribution of fastening technology products, in particular pipe clamps, as well as the production of tools and the maintenance of machines.

Novelis Switzerland SA

Since 2004 · 101–500 empl.

The core activity of Novelis is the production and supply of aluminum products, particularly aluminum sheets and plates, for various industries such as architecture, construction, transportation, packaging, food and pharmaceutical industries, as well as aerospace. The company works closely with customers to develop customized and advanced aluminum products and delivers them to various markets worldwide.

HP Constructions Métalliques Sàrl

Since 2012 · 1–10 empl.

The core activity of HP Constructions Métalliques is the manufacture and assembly of metal constructions, particularly for industrial applications, such as: * Metal elements for outdoor use (e.g. balustrades, barriers, silos) * Metal constructions for industry (e.g. steel, stainless steel and aluminum elements) * Specialized forging and welding work on various materials (steel, stainless steel, aluminum) The company also offers services such as project development, consulting and implementation of metal constructions.

OS Technique Sàrl

Since 1995 · 1–10 empl.

The core activity of OS Technique Sàrl is production, particularly in the field of mechanical manufacturing.

SMEF Sàrl

Since 2025 · 1–10 empl.

FALCON INDUSTRIES GmbH

Since 2002 · 1–10 empl.

Metallwerke Refonda AG, Zweigniederlassung Valais

Since 2010 · 1–10 empl.