Civil Engineering

TPS Trenchless Piping Systems AG 

Heldswil · Since 2002

The core activity of TPS AG is the renewal of pipes using bursting lining, particularly in the insertion of cast iron, PE and steel pipes using the press/ pull or cut/pull process, as well as relining in pipes in need of renovation. Additionally, the company offers excavation, connection, rehabilitation and coating work.

Truttmann Seelisberg AG 

Seelisberg · Since 1985

The core activity of Truttmann AG is the execution of construction projects and services, particularly in the following areas: demolition work, civil engineering, excavation work, transportation, muckaway services, road construction, rock excavation, stone and gravel trade, and crane work. The company thus offers a wide range of services in the construction industry, from planning and execution of construction projects to specialized services such as rock excavation and crane work.

Tschoerni Allround GmbH 

Scheid · Since 2019

Tschoerni Allround GmbH provides muck and excavator services for civil engineering projects, including small- and large-excavator work for pipeline installation, excavation, site finishing and demolition. The company also carries out land clearance, forestry mulching, drainage works, various transports and smaller concrete, mechanical and crane tasks.

Ueli Graf 

Uetendorf · Since 2014

The core activity of Graf Bau Uetendorf includes services in the areas of excavation work, masonry work, environmental work and civil engineering.

Ulmann Betonbearbeitung AG 

Wattwil · Since 2016

The core activity of Ulmann Betonbearbeitung AG is the processing of concrete using various methods such as drilling, sawing, cutting, separating and pressing, as well as the use of demolition robots and the execution of anchor installations.

Ulysse Avanthay SA 

Champéry · Since 2018

The core activity of Ulysse Avanthay SA is the provision of services in the field of excavation, snow removal and civil engineering, including: excavations, earthworks, road construction, outdoor facilities, special works, demolition, rehabilitation of structures, and drinking water and wastewater collection systems.

UNIVERSA Bau Umwelt Rohstoffe AG 

Wollerau · Since 1999

UNIVERSA Bau Umwelt Rohstoffe AG carries out landfill construction projects and manages planning, implementation and documentation for infrastructure facilities. The company also provides services related to environmental matters, raw materials and waste management.

Urs Barandun GmbH 

Davos Wiesen · Since 2017

Urs Barandun GmbH provides construction management and site supervision for building and civil engineering projects, together with technical maintenance and systems services such as heating, ventilation, lighting, water treatment, energy monitoring and a 24-hour on-call service including public-pool water disinfection. The company also offers planning for renovations and energy retrofits, bookkeeping services for SMEs, cleaning and hygiene services, and supply of liquefied gas and gas appliances.

Urs Schatt Tiefbau GmbH 

Oberwangen Tg · Since 2001

The company Urs Schatt Tiefbau GmbH is a service provider specializing in various activities in the construction and agricultural sectors. The company's core activities include: deep and road construction (e.g. pipeline construction, road construction, excavations, drainage), gardening and landscaping (e.g. squares and paths), agricultural services (e.g. demolition, snow removal), suction dredger services (with 24-hour service), and fleet services (with various vehicles and equipment). The company thus offers a wide range of services focusing on construction, agriculture, and infrastructure maintenance.

Vanoli Geleise- und Tiefbau AG 

Lauterbrunnen · Since 1982

Vanoli Geleise- und Tiefbau AG is a company operating in rail infrastructure and civil engineering, providing track construction, track civil works, microtunnelling and road engineering services. Its offerings include connection tracks, geomatics and surveying, project management and total/general contracting.

vb-power GmbH 

Fiesch · Since 2013

The core activity of vb-power company includes contract work in the following areas: * Agriculture * Municipal economy * Construction * Transport Specific services include: * Excavation and construction * Off-road mulching service * Road construction and renovation * Internal and external pipe cleaning * Material management The company thus offers a wide range of services in the field of infrastructure and agriculture.

VE-Tech AG 

Hergiswil Nw · Since 2013

The core activity of VE-Tech AG is the laying and installation of cables, in particular medium to high-voltage cable systems, as well as services such as cable pulling, FTTH installation, FTTB installations, CATV cable television and mobile backhauling.

Via Bau GmbH 

Münchenstein · Since 2016

The core activity of Via Bau GmbH is the provision of services in the field of road construction, civil engineering and utility line construction, as well as environmental works, including natural stone paving.

Volken Gerüstbau AG 

Visp · Since 2019

Volken Gerüstbau AG is a division of the Volken Group providing scaffolding services, including façade scaffolds, special scaffolds and event structures. Services cover planning, transport, assembly and dismantling, as well as safety systems and scaffold solutions for construction, industrial and event projects.

von Arx Hinwil AG 

Hinwil · Since 2010

von Arx Hinwil AG is a company specializing in trenchless pipeline construction, providing controlled horizontal directional drilling (HDD), trenchless house connection techniques (guided drilling and pipe ramming) and civil engineering works. The firm carries out planning and project engineering for trenchless projects and installs pipelines for water, gas, telecommunications, fiber and wastewater.

Vorfi L&M GmbH 

Kaltbrunn · Since 2024

Vorfi L&M GmbH provides services in metal construction assembly, garden and landscape construction, and civil engineering. Its activities include window, door and facade works, steel and metal constructions, folding sliding systems, pipeline and shaft works, as well as garden planning, natural stone paving and lawn care.

Wagner Forst und Bau GmbH 

Illnau · Since 2019

Wagner Forst und Bau GmbH provides forestry services and forest construction. The company carries out fully mechanized timber harvesting (e.g. Harvester 1270G and Forwarder 910G), timber extraction in partnership with Rolf Meier Forst und Forwarder Arbeiten GmbH, and forest civil works such as forest road construction, wooden bridges, slope stabilization and watercourse measures, using GPS-supported machines and digital planning tools. Clients include wood corporations, municipalities, cantonal forest authorities, urban green departments and private customers.

Waldburger Montagen GmbH 

Stein Ar · Since 2018

The company provides services in the field of stainless steel, particularly high-level welding seams, and has a modern vehicle fleet. It is likely a company specialized in metal processing, particularly welding works.

Walo Bertschinger AG 

Schaffhausen · Since 1957

Walo Bertschinger AG is a construction company operating across construction markets as a general contractor, offering services such as road and civil engineering, rail construction, water engineering, building construction, concrete repair, flooring systems and material processing.

Walo Bertschinger AG 

Lenzburg · Since 1982

Walo Bertschinger AG is a total construction contractor providing services across construction markets, including asphalt and hydraulic works, rail construction, building and civil engineering, and concrete repair. Its offerings also include seamless floor coverings, material processing and laboratory services, landfill and contamination remediation, total contracting and photovoltaic installations.