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DirectoryIndustryMetal IndustrySierreConstellium Valais SA
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Verified· 4 sources

Constellium Valais SA

Summary

About the company

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.

AI-generated
Offering

Products & services

Industry:Metal Industry
✓ Offered5
Aluminium billets
Aluminium billets produced at the Chippis site and supplied for extrusion at the Sierre and Singen plants.
Aluminium slabs
Aluminium slabs cast in Steg for rolling, with alloys for the aeronautics, industrial, automotive and defence markets.
Aluminium extrusion profiles
Large aluminium extrusion profiles for the transport, industrial and general mechanical engineering sectors, including machining, bending, assembly and kitting operations.
Aluminium plates
High value-added aluminium plates for industry, defence and aerospace, with thermal and mechanical treatments according to customer requirements.
Material testing and inspections
Destructive testing, metallurgical and microscopic tests, and checks of the chemical composition of the alloys produced at the casthouse.
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Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 25 reviews across all connected sources

Sources
GGoogle4.525
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

August 29, 2025Media
A Sierre, le géant de l’aluminium Constellium se tourne vers l’aérospatial et l’industrie de la défense
letemps.ch
August 28, 2025Media
Airbus, Boeing, SpaceX,…: A Sierre, Constellium investit plus de 5 millions pour pénétrer le marché aéronautique et spatial
lenouvelliste.ch
March 7, 2025Media
Le directeur de Constellium Valais affiche sa confiance en l’avenir: «Nous allons en sortir grandis»
lenouvelliste.ch
July 11, 2024Media
En Valais, les usines des groupes Novelis et Constellium sont toujours à l’arrêt
rts.ch
October 18, 2023Media
Constellium: 220 salariés des sites de Sierre et Steg en chômage technique jusqu’à fin novembre
lenouvelliste.ch

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Location

Route des Laminoirs 15
3960 Sierre
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:00
Tue
07:00 - 12:00, 13:00 - 16:00
Wed
07:00 - 12:00, 13:00 - 16:00
Thu
07:00 - 12:00, 13:00 - 16:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.980.844
Founded
1989 · 37 years
Last commercial register change
March 30, 2026
Employees
101 to 500

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