Civil works in the
Canton of Valais

PraderLosinger SA

Since 1979 · 11–20 empl.·4.0(16)

PraderLosinger SA is a construction company carrying out underground works, civil engineering and specialist construction projects. It also provides electromechanical services in electrical work, automation and metalwork.

Conforti SA

Since 1982 · 11–20 empl.·4.2(13)

Conforti SA is a construction company active in building construction and civil engineering. Its work includes residential, public and commercial buildings, road construction, earthworks, urban development, and bridges and other civil-engineering structures; it also extracts and processes gravel and stone materials.

Mathieu Vouillamoz SA

Since 2012 · 1–10 empl.·4.9(8)

Mathieu Vouillamoz SA is a construction company carrying out masonry and general building work. Its services include outdoor landscaping, earthworks and civil engineering, renovations, demolition, and natural stonework.

SULAG Hoch- und Tiefbau AG

Since 1954 · 51–100 empl.·5.0(4)

SULAG Hoch- und Tiefbau AG carries out building and civil engineering work as well as renovations. Its services include residential, industrial and commercial construction, alterations and extensions, excavation, sewer works, road and asphalt construction, and concrete cutting.

Charly Gaillard & Fils, transport et terrassement SA

Since 2006 · 11–20 empl.·4.2(15)

Charly Gaillard & Fils, transport et terrassement SA carries out earthworks and excavations, prepares sites and installs underground utility networks. Its services also include transporting and removing construction materials, as well as technical work in heating, plumbing, industrial piping and roofing.

Schmid Bautech AG Bauunternehmung

Since 2003 · 11–20 empl.·4.0(4)

Schmid Bautech AG Bauunternehmung carries out building and civil engineering work as well as specialist construction projects. Its services include building protection, concrete repair and restoration, waterproofing, injections, façade renovation and structural strengthening.

Guy Monnet & Fils SA

Since 2009 · 1–10 empl.·4.4(14)

Guy Monnet & Fils SA operates in transport, civil engineering and construction. Its services include earthworks, masonry, demolition, goods and materials transport, and the processing and recycling of construction materials.

Société de Travaux Publics, Joseph Carron SA, succursale de Sion

Since 2013 · 11–20 empl.·4.9(11)

Société de Travaux Publics, Joseph Carron SA, succursale de Sion carries out civil engineering and earthworks and specialises in asphalt paving. Its activities also include exterior works, hydraulic construction, gravel pit operations and the extraction of materials for road construction.

Bochaton Paysage SA

Since 2013 · 1–10 empl.·4.3(22)

Bochaton Paysage SA carries out landscaping and civil engineering work. Its services include designing and maintaining outdoor spaces, earthworks, drainage and remediation work, fencing, and snow removal.

Moren Construction SA

Since 1995 · 1–10 empl.·4.3(6)

Moren Construction SA is a construction company specialising in civil engineering and building construction. Its activities include utility and road works, bituminous surfacing, earthworks, river works and outdoor landscaping, as well as building construction, alterations and renovations.

MELLY CONSTRUCTIONS SA

Since 1962 · 11–20 empl.

MELLY CONSTRUCTIONS SA is a construction company active in building construction and civil engineering. Its services include masonry and reinforced-concrete work, earthworks, demolition, transport and the delivery of projects as a general contractor.

Routes et revêtements S.A.

Since 1964 · 1–10 empl.

Routes et revêtements S.A. joined Raymond Rithner SA to form RITHNER SA. The company works in civil engineering and road infrastructure, and also provides earthworks, transport, demolition, material crushing and recycling, outdoor development, and construction machinery rental.

Lauber Ernest & Sohn Hoch- & Tiefbau AG

Since 1969 · 11–20 empl.

Lauber Ernest & Sohn Hoch- & Tiefbau AG carries out building and civil engineering work, including renovations. Its activities include infrastructure and engineering structures, excavation support, avalanche and rockfall protection, and cost estimates.

Dénériaz SA Sion

Since 1975 · 21–50 empl.

Dénériaz SA Sion operates in the general construction sector, carrying out building and infrastructure projects. Its activities include carpentry, reinforced concrete, civil engineering, road construction and other public works, as well as projects delivered as a general contractor.

Zenklusen-Bau AG

Since 1981 · 1–10 empl.

Zenklusen-Bau AG is a construction company carrying out building and civil engineering projects, including road works and power-plant construction. Its services also include rockfall and avalanche protection, natural-stone roofing, and operation of a concrete plant and material extraction/processing facilities.

ABA Bautec AG, Bauunternehmung

Since 1984 · 21–50 empl.

ABA Bautec AG, Bauunternehmung carries out civil engineering work. Its activities include earthworks and trenching, concrete work, drilling, underground construction, and slope and avalanche protection. The company also provides transport services and works on irrigation water pipelines.

Entreprise Siggen & Furrer SA, Bâtiment et Génie civil

Since 1989 · 11–20 empl.

Entreprise Siggen & Furrer SA, Bâtiment et Génie civil is a construction company working in building construction, civil engineering and transport. Its activities include building projects, utility and road infrastructure works, and outdoor landscaping.

Reparatur- und Sanierungstechnik Rhone AG

Since 1993 · 1–10 empl.

Reparatur- und Sanierungstechnik Rhone AG carries out maintenance, repair and renovation work on roads, traffic areas and structures such as bridges. Its services include road repairs, joint and crack treatment, and the use of specialist bitumen and synthetic polymers.

Carraux-Moret Constructions S.A.

Since 1993 · 1–10 empl.·4.6(5)

Carraux-Moret Constructions S.A. is a building and civil engineering contractor. Its activities include residential, school and industrial buildings, villas and chalets, as well as renovations, exterior works, perimeter insulation and screeds.

Perren Baugeschäft AG

Since 1994 · 1–10 empl.

Perren Baugeschäft AG is a construction company carrying out building and civil engineering work, including houses, chalets and other types of buildings. Its services also include conversions, renovations, property maintenance, landscaping and winter services.

Echenard SA, succursale de Monthey

Since 1998 · 11–20 empl.

Echenard SA, succursale de Monthey works in public works, building construction and civil engineering. Its activities include infrastructure, roadworks, concrete construction and renovation projects, as well as project studies, planning, technical advice and site supervision.

Keller-MTS AG, succursale de Vétroz

Since 2007 · 11–20 empl.

Keller-MTS AG, succursale de Vétroz is a branch of the geotechnical contractor Keller-MTS. The company provides solutions for geotechnical challenges in construction, including ground improvement, deep foundations, grouting and retaining structures.

Eddy Fournier SA

Since 2011 · 11–20 empl.

Eddy Fournier SA is a construction company carrying out building, renovation and civil engineering work. Its services include masonry and concrete work, natural stone walls, drainage and sewers, pavements and asphalt surfacing.

RECO SERVICES Sàrl

Since 2011 · 1–10 empl.

RECO SERVICES Sàrl is a civil engineering and outdoor works company. Its activities include earthworks, gravel pit operations, demolition and renovation, emergency interventions, snow removal, mowing and mechanical maintenance.

TPEA Saxon Sàrl

Since 2012 · 1–10 empl.

TPEA Saxon Sàrl carries out building and civil engineering work. Its services include villa construction and renovation, masonry, earthworks, foundations, outdoor landscaping, and agricultural work such as vineyard clearance and path opening.

BETRISEY Travaux Publics SA

Since 2012 · 1–10 empl.

BETRISEY Travaux Publics SA carries out earthworks and civil engineering, and provides outdoor landscaping, snow removal and transport services.

vb-power GmbH

Since 2013 · 1–10 empl.

vb-power GmbH is a contract services company working in agriculture, municipal services, excavation and construction, and transport. Its services also include road construction and repair, pipe cleaning, and material processing by crushing, screening and mixing.

T.D. Valais SA

Since 2014 · 1–10 empl.

T.D. Valais SA is a construction company providing material transport, excavation and demolition, and outdoor construction and landscaping services. It also maintains and repairs construction machinery.

Oleïnna construction Sàrl

Since 2014 · 1–10 empl.

The core activity of Oleinna Construction Sàrl is the provision of services in the fields of construction and engineering, particularly in the following areas: building construction, civil engineering, exterior fittings, reinforced concrete, renovation, and earthworks. The company thus offers a wide range of construction services, from planning to the execution of construction projects.

CURASA débouche-tout SA

Since 2015 · 1–10 empl.

CURASA débouche-tout SA provides maintenance and repair services for drainage and sewer networks, including cleaning, unblocking, emptying, inspection and trenchless rehabilitation. Its services also include road and infrastructure maintenance and cleaning, as well as the rental of mobile toilets.

NUMERO 8 Sàrl

Since 2015 · 1–10 empl.

NUMERO 8 Sàrl carries out specialist civil engineering and construction work, including rock blasting, rope-access and work-at-height services, and safety checks of personal protective equipment and lifting gear. It also operates a garage providing vehicle and machinery maintenance and repairs.

Straffler GmbH

Since 2017 · 1–10 empl.

Straffler GmbH carries out work in steep, difficult and inaccessible terrain using spider excavators. Its services include excavation, stream and slope protection, utility construction, rock removal, demolition and landscaping, and it also offers spider excavator training courses.

Michel Maret et Fils SA

Since 2017 · 1–10 empl.

Michel Maret et Fils SA is a construction company specialising in civil engineering and masonry. Its work includes road and utility construction, excavation, building renovation, outdoor landscaping, rockwork and snow clearing.

Ulysse Avanthay SA

Since 2018 · 1–10 empl.

Ulysse Avanthay SA provides earthworks, snow removal and civil engineering services. Its activities include excavation, road and outdoor works, demolition, the rehabilitation of structures and work on drinking-water and wastewater collectors.

Volken Gerüstbau AG

Since 2019 · 21–50 empl.

Volken Gerüstbau AG provides façade and special scaffolding for construction projects, industrial facilities, transport routes, private clients and events. Its services also include event stages, grandstands and platforms, as well as scaffolding planning, transport, assembly and dismantling.

BS Tiefbau AG

Since 2021 · 51–100 empl.

BS Tiefbau AG provides services in specialist deep foundation work, demolition and deconstruction, as well as civil and road construction. Offerings include earthworks, sewer construction, excavation shoring and installation of utility lines.

Jossen Bau

Since 2006 · 1–10 empl.

The core activity of Jossen Bau Naters includes the following services: demolition work, renovations, refurbishments and conversions, masonry work, clearing and slope securing, excavation, blasting and precision work, as well as the upgrading of meadows and the construction of agricultural roads. The company thus offers a wide range of services in the fields of construction and agriculture.

Bauunternehmung Marco Marty GmbH

Since 2009 · 1–10 empl.

The company's core activity is construction and civil engineering, particularly the construction and renovation of buildings and infrastructure, including the creation of rubble stone walls, renovations, old building renovations, environmental works, forecourts, composite stones, paving works, sewer systems and rockfall protection structures.