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FARINE OPTIQUE SA 

Sion · Since 2013

The core activity of Farine Optique is the manufacture and sale of optical solutions, including: optical glasses, contact lenses, sunglasses, and eye exams. The company also offers specialized solutions for children and adults and has a wide range of brands and products.

FAVRE Holding SA 

Sion · Since 2009

Institut Don Bosco & Sainte-Agnès 

Sion · Since 2019

The company Institut Don Bosco et Sainte-Agnès is an educational institution specializing in the academic, educational and therapeutic care of students who, due to learning disabilities, personality disorders or social and educational difficulties, cannot be taught in regular educational programs. The company's core activity includes providing specialized educational and therapeutic services for these students, including teaching, education and therapy, at four different locations.

Les Fils de Charles Favre SA 

Sion · Since 1964

Les Fils de Charles Favre SA is a wine producer and merchant that produces and markets bottled wines. The company offers several branded ranges (Dame de Sion, Hurlevent, Favi, Collection F), manages vineyard estates and operates a tasting space, shop and events programme.

LUYET CONSTRUCTIONS METALLIQUES SA 

Sion · Since 2020

The core activity of Luyet Constructions Métalliques SA is metal construction, particularly the processing and treatment of metals such as steel, stainless steel, aluminum and glass for various applications, such as construction, industry and other fields.

PraderLosinger SA 

Sion · Since 1979

The core activity of PraderLosinger SA encompasses the planning, execution and maintenance of infrastructure projects, particularly in the construction of energy facilities (production and transportation), transportation routes (roads, railways, bridges), tunnels and underground facilities, industrial facilities and commercial areas, hydraulic structures and flood protection systems, as well as electromechanical installations. The company also offers specialized services such as structural inspections, renovations and conversions of existing facilities, as well as the execution of specialized works like tunnel boring and bridge construction.

Tiba SA 

Sion · Since 2021

Tiba SA provides planning and installation of renewable heating systems and residential fireplaces and stove installations. Its services also include sanitary installations (plumbing), chimney and stove construction, and roofing and sheet-metal work.

André Sierro SA 

Sion · Since 1994

The core activity of André Sierro SA primarily encompasses the following areas: Masonry and Concrete (building construction, renovations, and conversions), Civil Engineering (construction of infrastructure such as roads, bridges, etc.), and Real Estate (construction and sale of residential and commercial properties). The company thus offers a wide range of services in the construction sector, from planning and execution of construction projects to the sale of real estate properties.

Astori Holding SA 

Sion · Since 2024

Astori Holding SA provides engineering services and execution for timber construction and carpentry projects. Its offerings include structural and engineering solutions for complex timber buildings as well as certified joinery and fittings meeting technical requirements such as fire protection, burglar resistance, acoustic performance and flood resistance. The company operates a modern production facility, uses BIM workflows and promotes responsible use of wood in building construction.

Astori SA 

Sion · Since 2011

Astori SA is a company providing engineering and construction services in timber construction and carpentry. Its services cover delivery of complex, large-scale projects, certified components for fire protection, anti-burglary, acoustic and flood resistance, and work ranging from traditional carpentry to multi-storey timber buildings, industrial and commercial structures, furniture and high-performance joinery.