Civil Engineering

Zangger Bau GmbH 

Meinisberg · Since 1997

Zangger Bau GmbH is a construction company that performs building, civil and utility works and offers renovation, paving and exterior/site services. The company carries out projects in the Biel–Seeland region and provides personal consultations and written quotations.

Zeiter Konrad AG Bauunternehmung 

Lalden · Since 1994

The core activity of Zeiter Konrad AG is the provision of construction services in the fields of building construction, civil engineering and renovation, particularly in the Valais region, Switzerland.

Abderhalden Tiefbau 

Laupen Zh · Since 2017

The core activity of Abderhalden Tiefbau is civil engineering, particularly providing services in the areas of excavation work, stone wall and garden patio construction, concrete core drilling, water and sewage pipeline installation, as well as high-pressure pipelines.

Alois Müller AG 

Hohenrain · Since 2007

The core activity of Alois Müller AG is the provision of services in the areas of excavation, demolition and environmental work, particularly using innovative solutions such as the truck-mounted special excavator, which combines several functions in one vehicle, such as excavating, lifting, delivering and disposing.

ALPHA Tief- und Betonbau AG 

Weinfelden · Since 2023

ALPHA Tief- und Betonbau AG is a construction company specializing in civil engineering and concrete road construction, providing earthworks, excavation, demolition, foundations, stabilisation and dam works. Services also include utility and sewer installation, drainage and shaft construction, plus concrete pavements and surfaces for roads, logistics areas and airside pavements.

A & M Costruzioni SA 

Lugano · Since 2011

A & M Costruzioni SA develops projects in civil engineering and general infrastructure and provides engineering and construction services. The company operates as a general contractor and offers engineering, procurement, construction, project management and planning for industrial, tertiary and residential sectors.

Andreas Ruch GmbH 

Ufhusen · Since 2023

Andreas Ruch GmbH provides demolition, earthworks and natural stone wall construction services. The family-run construction company carries out excavation and site works with a modern machinery fleet, including a CAT excavator equipped with a 3D-GPS system for precise grading.

Bächli Tiefbau GmbH 

Otelfingen · Since 2004

The core activity of Bächli Tiefbau GmbH encompasses the planning and execution of civil engineering works, including: earthworks, utility lines, backfilling, asphalt paving of road sections, expansion of paths and squares, creation of natural stone, concrete and stone paving, natural stone and concrete formwork elements, walls, landscaping, square and path construction, and surfacing works. The company thus offers a wide range of services in the field of civil engineering and infrastructure.

Bagger Forrer AG 

Herisau · Since 2003

The core activity of Bagger Forrer AG includes the execution of earth and civil engineering works, in particular: drainage systems, slope stabilization, sewerage, pipeline construction, site transport, site preparation, retaining walls, demolition, excavation, spring catchments, and environmental works. The company offers these services to private individuals, municipalities, water and electricity utilities, and has its own machinery fleet as well as a network of specialized partners.

Baumacher AG 

Mels · Since 2017

The core activity of Baumacher AG consists of three main areas: 1. Excavation work: The company offers various excavation services, including demolition work, excavation, rock excavation, road construction, and other construction site work that requires an excavator. 2. Timber construction: Baumacher AG offers timber construction services, including interior finishing, facades, roofing of houses, and other timber construction work. 3. Rental of construction machinery: The company offers a selection of construction machinery for rent, such as crawler excavators, rollers, and dump trucks, to support customers in their construction work. Overall, Baumacher AG offers a comprehensive range of services in the construction and construction machinery sector.

Bautas AG 

Thusis · Since 2020

Bautas AG provides building-technology, waterproofing and renovation services, including liquid-plastic waterproofing, shotcrete applications, concrete repair and structural strengthening, as well as protective coatings, floor and wall coverings, insulation and consulting.

Beni Baumeister Thusis AG 

Thusis · Since 2021

Beni Baumeister Thusis is a construction company specializing in the planning and execution of construction projects. The company's core activity includes renting out properties, carrying out construction projects and managing properties.

BLL GmbH 

Turgi · Since 2021

The core activity of BLL GmbH is the provision of construction services, particularly in the areas of planning and civil engineering, including asbestos remediation, refurbishment and renovation of buildings.

BNU GmbH 

Watt · Since 2020

The core activity of bnu GmbH is the provision of construction services, particularly in the areas of civil engineering, construction management, total and general contracting, as well as construction supervision. The company offers a wide range of services to realize construction projects flexibly and on schedule, including renovation and new construction.

buchertiefbau gmbh 

Kerns · Since 1997

The core activity of buchertiefbau gmbh includes civil engineering, hydraulic engineering and demolition, particularly with walking excavators and crawler excavators.

BWB AG 

Oberdorf Nw · Since 2002

BWB AG provides surface finishing services including electrolytic, chemical and electroplated coatings such as anodizing, galvanic coatings and technical layers like hard anodic coatings and Ematal. The company serves sectors including industrial manufacturing, aerospace, medical technology, architecture and design, and offers aluminium processing services such as CNC milling and assembly.

BWB - Betschart AG 

Oberdorf Nw · Since 1979

BWB - Betschart AG specializes in electrolytic, chemical and electroplating surface finishing. Services include anodizing, electroplating, wet painting, multicolor anodizing, CNC machining and measurement/testing for customers in industry, aerospace, medical technology, architecture and design.

BWB-Iten AG 

Rudolfstetten · Since 2010

BWB-Iten AG provides galvanic and electrochemical surface finishing services, including chemical nickel, tin, silver and gold plating, as well as pretreatments that enable plating of aluminium. The company’s services also include electropolishing, electrolytic pickling, passivation and other pre- and post-treatment processes.

Campi AG 

St. Gallen · Since 1991

The core activity of Campi AG is the execution of demanding conversions, renovations, customer work and smaller new buildings in the field of civil engineering and construction.

Carbo-Link AG 

Fehraltorf · Since 2000

Carbo-Link AG designs, engineers and manufactures carbon-fibre-reinforced polymer (CFRP) tension members, tubes and bespoke structural components for load-bearing applications. Products include bridge cables, crane pendants, yacht rigging and structural reinforcement, and the company follows AS910D-certified quality processes (AS9100D).