Specialized Construction Activities in
Sion

VIDESA SA

Since 1966 · 11–20 empl.·4.8(52)

VIDESA SA provides drainage and sanitation services, including sewer cleaning, unclogging and emptying operations as well as specialised works. Its services also include building maintenance offerings, mobile toilet rental, CCTV pipe inspection and a treatment centre for sludge and road sweepings.

Elpol (Valais) SA

Since 1998 · 1–10 empl.·4.7(20)

The core activity of Elpol Valais SA encompasses specialized services in the fields of construction and engineering, particularly: floor coatings without joints, concrete rehabilitation and protection, rehabilitation of old structures, sealing and reinforcement injections, waterproofing of underground structures, sealing joints, waterproofing of structures, and seismic reinforcement of structures. The company thus offers a wide range of services in the construction and engineering sectors, with a focus on the rehabilitation, protection, and reinforcement of structures.

Sarosa SA

Since 1964 · 1–10 empl.·4.6(10)

The core activity of Sarosa SA is the provision of services in the field of construction and renovation work, particularly in the areas of: Plâtrerie (plastering): manufacturing walls, ceilings and other building components from gypsum; Peinture (painting): painting and coating surfaces; Isolation (insulation): thermal, acoustic and fire protection measures in buildings; Plafonds (ceilings): manufacturing and installation of ceiling structures; Coupe-feu (fire protection): installation of fire protection measures in buildings. The company offers these services for new buildings, renovations and conversions, targeting private individuals, companies and institutions.

DECOTECHNICS Sàrl

Since 2007 · 11–20 empl.

The company DECOTECHNICS specializes in the manufacture of precision components through décolletage (a form of turning) and usinage (a form of milling) of metal parts. The company's core activity lies in the production of high-precision parts for various industries such as watchmaking (horology), medical technology (medtech), industry and mechanical engineering.

ARTISANS SUISSES, STAUBLI

Since 2016 · 1–10 empl.

The core activity of the company "Artisans Suisses" is the provision of services in the field of construction, particularly in renovation, transformation and building of buildings. The company is a grouping of qualified craftsmen, each active in their own field, who together offer a comprehensive range of services to architects, builders and private clients.

Sanifer Sàrl

Since 1999 · 1–10 empl.·4.0(3)

Sanifer Sàrl is a service company specializing in installation work, roofing and sealing. The core activities include: sanitary installations, metalworking (particularly for roofing and gutters), roofing (including renovations of historic roofs and specialist for the Prefa system), sealing, and heating installations (including installation, maintenance and repair). The company offers these services for new buildings, renovations and maintenance of buildings in the Romandy region (French-speaking Switzerland).

Techno Metal Post VD Sàrl

Since 2026 · 1–10 empl.

Techno Metal Post VD Sàrl provides screw piles and foundation solutions for construction projects. The company supports residential, commercial, and industrial projects with engineering services, technical documents, and certified installation partners.

geoformer igp AG

Since 2026 · 21–50 empl.

geoformer igp AG is an interdisciplinary engineering and consulting company focused on natural hazards, geology, environment/forestry and civil engineering. It provides assessments, consulting, planning and construction management for projects involving gravitational and hydrological risks, protective structures, risk management and renaturation.

YPP Tech Toiture Sàrl

Since 2020 · 1–10 empl.

YPP Tech Toiture Sàrl provides consulting, technical studies and cost estimates for sheet‑metal and roofing work, covering both pitched and flat roofs. Services include drone roof inspections with photographic reporting, bid analysis and construction supervision.

GA Construction & Rénovation Sàrl

Since 2020 · 1–10 empl.

The core activity of GA Construction & Rénovation Sàrl is the provision of services in the field of construction and renovation, particularly in the areas of plastering, painting and facade work. The company offers comprehensive solutions for construction and renovation projects and positions itself as a reliable partner for the implementation of customer wishes.

DRYSEC Sàrl

Since 2025 · 1–10 empl.

DRYSEC Sàrl provides professional services in leak detection, technical drying, dehumidification, remediation after water damage, and claims management. The company handles water-related damage from diagnosis through intervention and reporting for insurance purposes.

Sablage Chalet Ismaili

Since 2026 · 1–10 empl.

Sablage Chalet Ismaili provides services in sandblasting, micro-sandblasting, hydrogumming, aerogumming, wood treatment, and painting. The company restores and renovates wooden surfaces, including chalets, older woodwork, and areas affected by dry rot.