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Membratec SA 

Sierre · Since 1997

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.

AquaNest Groupe SA 

Sierre · Since 2017

Monographic SA 

Sierre · Since 1978

The core activity of Monographic is the publication and release of books, particularly in the fields of literature, nature and environment, art, culture and heritage, history and society, as well as the production of prestige books and other publications.

PRESV, Prévoyance Santé Valais 

Sierre · Since 1985

PRESV, Prévoyance Santé Valais is a pension foundation that administers occupational benefits such as retirement, disability and survivor coverage for the health sector and provides services including affiliation of insured persons, buybacks and continuation of insurance.

Ramsauer Echafaudages SA 

Sierre · Since 1992

The core activity of Ramsauer Echafaudages SA is the planning, design and construction of scaffolding for the construction and industrial sectors. The company offers various types of scaffolding, including facade scaffolding, industrial scaffolding, protective roofs, temporary stairs and special scaffolding.

Solexis SA 

Sierre · Since 2010

Solexis SA specializes in the planning, implementation and distribution of photovoltaic systems and thermal systems. They offer a wide range of services, including the design and project management of large installations, the selection and delivery of high-quality products, as well as individual consulting and technical support for their partner installers.

Agence Zufferey SA 

Sierre · Since 2024

The core activity of Agence Zufferey encompasses two main areas: 1. **Real Estate**: The company provides services in the real estate market, including rental and sale of properties. 2. **Trust Services** (Fiduciary): Agence Zufferey also offers trust services, which include the management and administration of assets and finances for its clients.

Association Pro-Economy.VS 

Sierre · Since 2009

The core activity of Pro-Economy.vs is the representation and promotion of the economic interests of the canton of Valais in Switzerland. It is an economic association or organization that is committed to the development and success of the regional economy.

BACS Sàrl 

Sierre · Since 2020

The core activity of BACS IT is the analysis, implementation, maintenance and securing of IT infrastructures for companies, providing them with a secure and efficient IT environment, allowing them to focus on their core business.

Carlo Schreinermontagen aller Art GmbH 

Sierre · Since 2017

The core activity of Carlo Schreinermontagen aller Art GmbH is the assembly and sale of windows, doors and kitchens. The company provides competent consulting and successful execution of the work, including planning, procurement, assembly and acceptance.