Mechanical engineering in
Sierre

Depair SA

Since 1985 · 21–50 empl.·5.0(17)

The core activity of DEPAIR SA consists in the conception, manufacture and marketing of innovative solutions for air treatment, particularly in the development and manufacture of air treatment units, including retrofit solutions, transformation, regulation and studies. The company also offers services such as maintenance, repair and installation of ventilation systems.

Eversys S.A.

Since 2009 · 101–500 empl.·3.8(36)

Eversys S.A. develops and manufactures automated espresso machines for cafés, restaurants, hotels, offices and other high-volume coffee operations. Its range includes systems for preparing espresso and milk-based drinks, as well as cleaning and connectivity features.

Lozzia Frères & Fils Amortisseurs Sàrl

Since 2021 · 1–10 empl.·5.0(11)

Lozzia Frères & Fils Amortisseurs Sàrl services, repairs and tunes shock absorbers and suspension components for cars, motorcycles and bicycles. It also provides diagnostics and sells spare parts.

Alpin Mécanique Sàrl

Since 2006 · 1–10 empl.

Alpin Mécanique Sàrl provides mechanical subcontracting services. It machines parts by milling, turning, and surface and cylindrical grinding, and manufactures, mounts, and assembles mechanical, pneumatic, hydraulic, and electrical units.

Membratec SA

Since 1997 · 11–20 empl.·5.0(2)

Membratec SA designs, constructs and markets treatment plants for the production of drinking water. The company has developed its own ultrafiltration process and supplies turnkey, custom systems — including mobile units, complex multi-barrier treatment trains, softening and industrial applications — and performs laboratory and pilot tests.

Kayro Sàrl

Since 2019 · 1–10 empl.·3.4(5)

Kayro Sàrl operates in research and development, manufacturing and trade in the defence sector. Its activities include arms trading and import and export services, the development and manufacture of products and digital solutions, and the provision of training products and related services.

RemeO SA

Since 2026 · 1–10 empl.

RemeO SA develops water-treatment solutions focused on removing PFAS. Its services include mobile treatment systems, the design of new installations, pilot trials and analytical studies for construction-site water, groundwater, and industrial and landfill effluents.

Zufferey et Cie

Since 1976 · 1–10 empl.