Civil Engineering

Wilder AG 

Sarmenstorf · Since 2018

Wilder AG carries out deconstruction work and provides dust-protection and ventilation solutions for construction sites. Services include core drilling and diamond cutting, surface and wall processing, site organization and temporary air cleaning.

Wilhelm Büchel AG 

Buchs Sg · Since 2019

The core activity of Wilhelm Büchel AG is providing services in the construction sector, including general construction, civil engineering, special foundation work, scaffolding, demolition, road construction, landscaping, drilling and milling, as well as handyman services. The company offers these services to various customer groups, including private clients, corporate clients and institutional clients.

Willi Hoch- und Tiefbau AG 

Schiers · Since 1994

The core activity of Willi Hoch- und Tiefbau AG encompasses the provision of services and products in the field of construction and civil engineering, including: Construction: new construction, renovation and refurbishment of single-family and multi-family homes, commercial and industrial buildings; Civil engineering: civil engineering services, crane work, environmental design and transportation; Concrete elements: manufacture of concrete elements such as concrete blocks, concrete wells, kitchen countertops, road elements and other custom concrete products; Drilling and cutting: specialized work such as drilling and cutting of concrete, masonry and natural stone; Prefabricated construction: manufacture of concrete elements and other building components. The company also offers apprenticeship training and consulting services.

WISTRAG Consulting AG 

Niederneunforn · Since 1952

The core activity of WISTRAG Strassen- und Tiefbau AG is road and civil engineering construction.

Wohnbaugenossenschaft BURG Büron 

Büron · Since 1956

The company's core activity is residential property management and rental, particularly through the management of apartments in the municipality of Büron.

Workspassion Sàrl 

Erde · Since 2020

Workspassion Sàrl is a company providing earthworks, civil engineering, exterior landscaping and material transport services. Its activities include excavation and ground preparation, small civil works (pipes, manholes, curbs), creation and renovation of exterior areas, and transport/evacuation of materials using suitable equipment (including a multilift truck), serving private, commercial and public clients.

Wunder Bau GmbH 

Frick · Since 2021

The core activity of Wunder Bau GmbH encompasses the planning, execution, and realization of construction projects, including: * Building services (heating, plumbing, air conditioning) * Electrical installations (electrical systems, photovoltaics, smart home) * Renewable energies (photovoltaics, solar systems) * Renovation and refurbishment of buildings (bathroom and kitchen renovations, complete house renovations) * General contracting (all services of the main construction industry) The company thus offers comprehensive services in the construction sector, from planning to execution, and focuses on the needs of its customers in the areas of living and working.

Wüst Herbert AG 

Oberriet Sg · Since 1999

Wüst Herbert AG carries out pipe construction and provides services for gas station construction, tank systems and district heating.

Zaretti S.A. 

Lucens · Since 1981

Zaretti S.A. is a company providing civil engineering and masonry services. Its services listed on the website include bituminous/asphalt surfacing, industrial piping and municipal collectors, earthworks, exterior landscaping and watercourse works, inspection and maintenance of valve covers, as well as renovations, building extensions, concrete sawing, concrete driveways and slab works.

Zaugg Bauwert AG 

Aefligen · Since 2000

Zaugg Hoch + Tiefbau AG is a general contractor offering a wide range of services in the construction industry. The core activities include: High-rise construction: residential construction, commercial and industrial construction, agricultural buildings, renovation, renovation and core drilling; Civil engineering: earthworks, excavation, pipeline construction, sewage systems, demolition, demolition and road construction; Environmental design: paths, squares, garden paths, garden seating areas, parking lots, carports, floor coverings, garden planting and garden fences. The company thus offers a comprehensive range of services for the construction and design of real estate and infrastructure.

ZaWa Sagl 

Origlio · Since 2019

ZaWa Sagl supplies playground equipment, urban furniture, sports equipment and community furnishings. The company offers products such as slides, swings, benches, bins and bike racks, and provides consultancy, playground inspections and maintenance services with reference to EN 1176/1177; product materials on the site include stainless steel, robinia wood and HPL.

Zeit Netzbau AG 

Thundorf · Since 1990

The core activity of Zeit Netzbau AG is the planning, construction and maintenance of electrical networks, in particular: low-voltage cabling (from the transformer station to the house connection), public lighting (cable laying, installation of lanterns, measurements), high-voltage lines (construction and maintenance), transformer stations (new construction, reconstruction, installation of components), overhead lines (construction and maintenance), and cable laying of all kinds. The company also offers services such as measurements, sports field lighting and interior construction of transformer stations.

Zemp Tiefbau Schüpfheim GmbH 

Schüpfheim · Since 2015

The core activity of Zemp Tiefbau Schüpfheim GmbH encompasses civil engineering and construction services, particularly: excavation and earthworks, sewage and drainage systems, pipeline construction, road construction, environmental works, network infrastructure, spring catchments, and crane and lifting operations. The company thus offers a wide range of services in the field of civil engineering and infrastructure.

Zenklusen-Bau AG 

Simplon Dorf · Since 1981

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.

Zhuniqi Rénovation SA 

Crissier · Since 2019

Zhuniqi Rénovation SA is a general construction company providing renovation, demolition, sawing and drilling services. The company offers project support and coordination of multiple trades, and its management team includes an architectural draftsman and site directors.

Zini GmbH restoraziuns e lavurs da mürader 

Strada · Since 2019

The core activity of Zini GmbH is the restoration and conservation of old buildings, ruins and historic buildings, particularly through the application of traditional techniques and materials such as lime plaster, lime mortar flooring, plaster restoration, conservation of ruins, building reconstruction, concrete well renovation and paving with lime mortar jointing.

Zmoos S.A. 

Brot-Plamboz · Since 1979

Zmoos S.A. carries out civil engineering works using both open-trench and trenchless methods, including directional drilling, horizontal drilling and pipe-jacking techniques. The company also provides pipeline and drainage installation, sanitary fittings, ecological renaturation services and rental of specialized equipment.

Zuberi GmbH Bauunternehmung 

Allschwil · Since 2000

The core activity of Zuberi Bau GmbH primarily includes masonry work, comprising masonry, concrete structures, concrete renovation, demolition work, sewerage work, core drilling, slab laying, stoneware, ceramic and mosaic work, as well as drywall and plastering work. Additionally, the company also offers services in the areas of facade renovation, facade insulation, basement ceiling insulation, plastering and environmental work.

Zumbach Tiefbau AG 

Wald Zh · Since 2015

Zumbach Tiefbau AG is a construction company specialising in civil engineering and utility installation. Its services include road construction, watercourse engineering, spring collection, landscaping, demolition and excavation, machine hire and a 24‑hour emergency service. The company also operates a specialised Menzi Muck walking excavator for work in difficult terrain.

Zumbrunn Bau AG 

Grindelwald · Since 1984

The core activity of Zumbrunn Bau AG is the execution of construction and civil engineering works, as well as environmental works for private, commercial and public clients.