Site Preparation

ERNE AG Bauunternehmung 

Füllinsdorf · Since 2019

ERNE AG Bauunternehmung is a construction company that acts as a building contractor and as a general and total contractor, providing services in building construction, civil engineering, renovation and asset maintenance. Its scope of work also includes water engineering, industrial and commercial construction, demolition and concrete drilling, project delivery as a general contractor (ERNEplus) and digital planning methods such as BIM.

ERNE AG Bauunternehmung 

Zurich · Since 2014

ERNE AG Bauunternehmung is a construction company carrying out building and civil engineering projects and operating as contractor, general contractor and total contractor. Its services include new construction, renovations, road and infrastructure works, water engineering and specialist services such as masonry, concrete drilling, structural protection and demolition, together with engineering and digital construction (BIM).

ERNE AG Holzbau 

Basel · Since 2007

ERNE AG Holzbau delivers timber construction projects, including modular wooden buildings, handling design-for-production, prefabrication and on-site assembly.

ERNE Immo AG 

Laufenburg · Since 1983

Fräbag AG 

Bern · Since 1988

The core activity of Fräbag AG is concrete cutting and the execution of specialized drilling and milling work in the construction industry. This includes services such as drilling technology, cutting technology, mechanical demolition and special deconstruction methods.

Frei & Partner AG Bauunternehmung 

Wil Sg · Since 2001

The core activity of frei+partner ag is the construction and renovation of real estate, including public buildings, commercial and industrial buildings, residential buildings and overbuildings, as well as smaller excavation and civil engineering works.

Frommenwiler Beton bohren und fräsen GmbH 

Henggart · Since 2007

Frommenwiler Beton bohren und fräsen GmbH is listed on the official website as Frommenwiler GmbH; the website describes the company as a provider of scaffolding services, including façade and construction scaffolds, special and industrial scaffolds, and roof and protection systems.

Gadola Bau AG 

Riedikon · Since 1973

Gadola Bau AG is a construction company providing services in building construction, civil engineering, façade construction, ground‑heat (geothermal) probes and property management. Its services include renovation, restoration of historic façades, new construction and the planning and installation of ground‑heat probes, including FWS quality certification.

Graf Tief- und Gartenbau GmbH 

Eichberg · Since 2024

The core activity of Graf Tief- und Gartenbau GmbH is the provision of services in the field of civil engineering and landscaping, particularly in the planning and implementation of individual gardens.

HAMITI SA 

Satigny · Since 1999

The core activity of Hamiti SA is the provision of services in the construction sector, particularly in the areas of: * Gros œuvre (Building construction): Reinforced concrete, Transformation, Concrete carbonation treatment, Earthworks, Cutting, Final masonry, Demolition * Second œuvre (Finishing work): Painting, Plastering, False ceilings & Partitions, Tiling. The company thus offers a wide range of services, from planning and execution of construction projects to the completion of interior spaces.

HTH Hoch + Tiefbau AG Heimberg 

Heimberg · Since 1969

The core activity of HTH Hoch und Tiefbau AG Heimberg is the provision of construction services, particularly in the areas of building construction, civil engineering, renovation, customer service, core drilling and emergency services, as well as the management of real estate.

Kalbermatter AG 

Wassen Ur · Since 1994

The core activity of Kalbermatter AG is the construction and maintenance of infrastructure projects, particularly in the field of civil engineering and construction, including: earthworks and hydraulic engineering, demolition and dismantling, deep and road construction, infrastructure construction, and special deep foundation work such as avalanche control and rockfall protection. The company also offers services in the areas of excavation, development, paving and repair work.

Kilchmann Eglisau GmbH 

Eglisau · Since 2000

The core activity of Kilchmann Eglisau GmbH is the execution of gravel transports, excavation transports and earthworks, particularly in the greater Zurich area and German-speaking Switzerland. The company thus provides logistical services for construction companies, architecture, gravel plants and private customers.

KUSTER Immobilienverwaltung AG 

Rümlang · Since 2006

The core activity of KUSTER Rückbau AG is the execution of demolition and excavation work, in particular the dismantling of steel structures and buildings of all kinds, as well as the implementation of interior gutting, foundation pit excavations and earthwork projects.

Moren Construction SA 

Vétroz · Since 1995

The core activity of Moren Frères SA is the provision of services in the fields of construction and engineering, specifically: public works, civil engineering, asphalt paving, earthworks, outdoor facilities, river works, and building construction. The company is thus a construction and engineering company offering a wide range of services in the fields of construction and engineering.

ph plus ag 

Basel · Since 2017

The core activity of ph+ is the maintenance, repair and installation of windows, doors and facades in glass and metal construction, including rope access and facade climbing, as well as providing expert opinions and engineering in the field of facade management.

Rio Hermann Hoch- und Tiefbau GmbH 

Flums · Since 2007

The core activity of Rio Hermann GmbH is the provision of construction services in civil engineering and building construction, as well as in renovation. This includes, in particular, the realization of infrastructure projects in civil engineering and the implementation of demanding construction projects in building construction.

Schefer Bau AG Niederhelfenschwil 

Niederhelfenschwil · Since 2021

The core activity of Schefer Bau AG is the provision of construction services in the areas of building construction, civil engineering, demolition and environmental works.

Schorro Bagger- und Umgebungsarbeiten GmbH 

Kleinbösingen · Since 2012

The core activity of Schorro Bagger- & Umgebungsarbeiten is the execution of civil engineering works, particularly excavation and environmental works, including excavation and earthworks, within the framework of new construction and renovation projects in the cantons of Fribourg and Bern.

s + m tiefbau gmbh 

Liestal · Since 2005

The core activity of S+M Tiefbau GmbH primarily encompasses civil engineering works, particularly trenchless pipe laying, drilling and milling, as well as environmental works such as landscaping and paving. Additionally, the company also offers road construction and surfacing services.