Civil Engineering

Gebrüder Vogelsang AG 

Tegerfelden · Since 2022

The core activity of Gebrüder Vogelsang AG encompasses a wide range of services in the construction industry, including: High and low-rise construction (masonry, earthworks, etc.), Building technology (plumbing, heating, ventilation, air conditioning, electrical installations), Renovations and conversions, Landscaping and greenhouses, Weed control, Special services (core drilling, concrete cutting, sealing, winter services, paving works). The company thus offers a comprehensive range of construction and craft services and positions itself as a 'one-stop-shop' provider.

Germann Tiefbau GmbH 

Winden · Since 2005

The core activity of Germann Tiefbau GmbH is civil engineering and road construction, including specific services such as excavation, sewerage, environmental engineering, road construction, recycling, hydraulic engineering and retention.

Ghelma AG Spezialtiefbau 

Meiringen · Since 2004

The core activity of Ghelma AG Spezialtiefbau encompasses the planning and execution of special deep foundation projects, including: * excavation pit securing (nailing walls, raking walls, pile walls, tie-backs) * pile foundations (in-situ concrete piles, displacement piles, micro-piles) * special drilling (filter wells, drainage drilling, contaminated site remediation, exploratory drilling) * protective structures (rockfall protection, landslide protection, rock face securing, flood protection, protective scaffolding) * embankment stabilization (jet grouting, high-pressure injections, low-pressure injections) The company offers innovative and customized solutions for complex construction projects and has its own research and development department as well as a workshop for the manufacture of specialized equipment.

Graben AG Tiefbau 

Horgen · Since 1971

Graben AG Tiefbau provides civil engineering and earthworks services, including installation and rehabilitation of utility lines (water, electricity, gas, TV, telephone), construction of sewer systems, trenchless pipeline installation (Erdraketen) and general earthworks.

Greub AG 

Zeihen · Since 1969

The core activity of Greub AG is construction, particularly the planning and execution of new buildings, conversions and environmental works, as well as the renovation of residential and commercial buildings. This also includes specialized services such as core drilling and pressure testing.

Grünig Bau AG 

Däniken So · Since 1984

The core activity of Grünig Bau AG is the provision of construction and masonry services, including new builds, renovations, masonry work and repair contracts.

Gugger AG 

Gurmels · Since 1966

Gugger AG is a construction company carrying out civil and road engineering, excavation, soil-improvement works and material transport. The firm also operates a gravel plant and supplies aggregates and related services.

HBT AG 

Sulgen · Since 2020

HBT AG specializes in trenchless, minimally invasive pipeline installation in civil engineering and manages projects from planning through execution to handover of installed pipes. Services include utility locating, core drilling, PE/PVC pipe welding, pipe-jacking and flushing/drilling methods, small civil works, and project support and consulting.

HERZOG Holzbau AG 

Stettlen · Since 2002

The core activity of HERZOG Bau und Holzbau AG is the provision of services in the construction industry, particularly in the areas of building, carpentry and joinery. The company offers solutions for new construction, renovation and refurbishment, and emphasizes the importance of quality, flexibility and environmentally conscious building.

Immobat Construction SA 

Versoix · Since 2011

Immobat Construction SA is a construction company operating as a general contractor for new builds and renovation projects. Its services include civil engineering and structural concrete work, road and earthworks, and telecommunications installations such as cable pulling and ducting.

J. Meyer Strassenbau GmbH 

Diepoldsau · Since 1996

The core activity of J. Meyer Strassenbau GmbH encompasses road and civil engineering, including the construction and renovation of roads and squares, the laying of sewage and meteorological lines, the execution of environmental works and landscaping, as well as the construction of utility lines.

Johann Loher AG, Montlingen 

Montlingen · Since 1973

The core activity of Joh. Loher AG is construction, including planning and implementation of construction projects, plastering work, renovations and comprehensive solutions for customers.

Keller Bauunternehmung AG 

Rheineck · Since 1997

The core activity of Keller Bauunternehmung AG encompasses the execution of construction projects in the following areas: * Building construction (residential buildings, industrial halls, hotels, conversions, renovations) * Civil engineering (excavation work, pipeline construction, sewage systems, retaining walls, forecourts) * Demolition (demolition excavators, concrete demolition, recycling) * Mobile crane work (with various mobile cranes up to 220 tons of lifting capacity) The company thus offers a wide range of construction services and is capable of carrying out complex construction projects from planning to completion.

Keller-MTS AG 

Regensdorf · Since 2007

Keller-MTS AG is a company of the Keller Group that provides specialist geotechnical and foundation engineering services, including ground improvement, piling, injections, anchors and shotcrete. It delivers engineering and construction services for infrastructure, industrial, residential and environmental projects.

KIBAG Bauleistungen AG 

Emmen · Since 2004

KIBAG Bauleistungen AG provides road construction, civil engineering and deconstruction services. The site includes contact details and downloadable brochures describing its service offerings.

Konstibau GmbH 

Unteriberg · Since 2020

The company Konstibau GmbH is a construction company whose core activity lies in the planning, execution and realization of construction projects. The specific activities include: building construction (e.g. single-family and multi-family homes, commercial and agricultural buildings), civil engineering (e.g. road construction, stream corrections, bridges), new constructions and renovations, demolition, special construction, hydraulic engineering and environmental construction. The company thus offers a wide range of services in the field of construction.

Krubau AG 

Lucerne · Since 1997

The core activity of Krubau AG is civil engineering, particularly the realization of projects such as underground house connections, renovation of lines (water, sewage, electricity, etc.) and general civil engineering works.

KÜHNIS AG 

Oberriet Sg · Since 1974

Kühnis AG is a construction company specializing in sustainable energy production and environmentally friendly construction projects. It generates energy using solar power and feeds excess energy into the grid. The company also offers consulting services in this field.

L. Candrian AG 

Ilanz · Since 1977

The core activity of L. Candrian SA is the provision of services in the construction sector, particularly in building construction, civil engineering, renovation, spring catchments, core drilling and snow removal. The company offers individual solutions for various projects such as residential buildings, holiday homes, extensions, work under monument protection and water supplies.

Leuenberger AG, Bauunternehmen 

Zell Lu · Since 1967

Leuenberger AG, Bauunternehmen provides milling and service work for roads and shafts, including cold milling/pavement cutting (widths 500–2000 mm, depths 3–300 mm), shaft milling (diameters 300–1400 mm) and removal of height-adjustable manhole covers. The company also offers dry cleaning of milled surfaces, transport services with its own trucks and workshop and on-site repair services.