Civil Engineering

Rofra Bau AG 

Aesch Bl · Since 2010

The core activity of ROFRA encompasses the following areas: construction, civil engineering, renovation, hazardous substance remediation, construction management, real estate development, and rental and sale of residential and commercial properties. The company provides comprehensive services in key areas of the construction industry and develops innovative residential and commercial projects.

Kronenberg Hoch- und Tiefbau AG 

Wikon · Since 2005

The core activity of Kronenberg Hoch- und Tiefbau AG encompasses the execution of construction and civil engineering works, including: building construction (high-rise construction), sewer construction, road construction and pipeline construction (civil engineering), renovation and extension work, environmental work (e.g. garden design, seating areas, parking lots), customer masonry work (e.g. creating overpasses, enlarging windows and doors, concrete renovations), asphalt work and excavation work for geothermal heating systems, and the installation of rainwater tanks. The company also offers supporting services such as site investigations, coordination of trades and planning of renovation and extension projects.

Aroba AG 

Wallbach · Since 2015

Aroba AG is a service company that supplies assembly and site management personnel and carries out pipeline construction projects. The company offers leasing of assembly personnel for Switzerland and abroad, provides qualified management and assembly staff, and executes fixed‑price and time‑and‑material contracts in pipeline construction; it holds PED certification Module A1.

NSNW AG 

Sissach · Since 2008

The company NSNW is primarily active in the field of motorway management and operation. The core activities include the planning, construction and maintenance of motorways, as well as ensuring a smooth flow of traffic. This also includes services such as data management, project planning and the coordination of construction sites.

Piasio SA 

La Croix-De-Rozon · Since 1961

The core activity of PIASIO HTP is to provide services and solutions in the field of civil engineering, particularly in the areas of: excavation work, soil and groundwater remediation, underground and surface work, material valorization, and excavation, demolition and special works. The company also offers a 24/7 emergency service for all types of sewer and network work.

Rotomag AG 

Sargans · Since 2004

The core activity of Käppeli Bau AG is the provision of services in the construction industry, particularly in the areas of: * Building construction (e.g. new construction, renovation, and refurbishment of buildings) * Civil engineering (e.g. earthworks, engineering construction, and hydraulic engineering) * Road construction (e.g. construction and maintenance of roads and bridges) * Asphalt paving, paving, planing, and repair work. The company also offers specialized services such as interior demolition, industrial and commercial construction, environmental design, and residential construction.

S. Facchinetti S.A. 

Neuchâtel · Since 1969

S. Facchinetti S.A. is a construction company providing civil engineering and infrastructure services such as road and rail works, asphalt surfacing, utilities and urban development. The company also operates the 'Les Ateliers de la Cernia' natural stone department for stone processing and heritage restoration and runs quarry and recycling operations supplying aggregates and gabions.

Wechsler Gerhard AG 

Luthern · Since 2018

The core activity of Wechsler Gerhard AG includes cabling, particularly the expansion of fibre optic networks, as well as the execution of excavation work, water supply, landscape maintenance and the sale of small engine equipment.

Morath AG 

Münchenstein · Since 1981

Morath AG provides sheet‑metal and flat‑roof services, lightning‑protection work, and roof maintenance including green roofs. The company also delivers technical solutions and services for the pharmaceutical, food and healthcare sectors and offers design services.

Addor AG, Tiefbau und Transporte 

Gstaad · Since 2023

The company's core activities include the areas of civil engineering, transportation, demolition, raw material processing, road construction and winter services. Specifically, the company offers the following services: management of quarries and gravel washing plants, production of concrete and gravel, implementation of projects in the fields of civil engineering, earthworks, water construction, environmental design, road and pipeline construction, assumption of seasonal assignments for municipalities and private individuals, particularly winter services, and logistical orders of any dimension. The company is a family-owned business, run by the third generation, which places emphasis on quality, flexibility and customer proximity.

Schelbert AG, Tief- und Strassenbau 

Muotathal · Since 1998

Schelbert AG, Tief- und Strassenbau provides civil engineering and road construction services, including surfacing, slope stabilization, hydraulic works, demolition and waste disposal. The company also offers transport and machine rental, sale of gravel and stones, spring water capture, and maintains certified quality and environmental management systems (ISO 9001, ISO 14001).

Schelbert AG Brunnen, Tief- und Strassenbau 

Brunnen · Since 1964

Schelbert AG Brunnen, Tief- und Strassenbau provides civil engineering and road construction services, including earthworks, water engineering, slope stabilization, demolition, waste management and sale of aggregates. The company also offers transport services and machinery rental.

Ackermann Bau AG 

Mels · Since 1979

The core activity of Ackermann Bau AG consists of two main areas: 1. **Construction Company**: The company offers services in the fields of civil engineering, construction, renovations, and customer-specific masonry work. 2. **Quarry**: The Tiergarten quarry is another important part of the company, where the red Melser stone Verrucano (slate and rock) is extracted.

DIVICO AG besondere Bauverfahren 

Wädenswil · Since 1979

The core activity of DIVICO AG primarily encompasses the following areas: 1. **Schachtexpress**: The renovation and maintenance of manhole covers, channels and covers, including the relocation of manhole covers and fittings. 2. **Betonabbau**: The destruction and removal of concrete and masonry by drilling, cutting, breaking and pressing. 3. **Flächenabtrag**: The processing of horizontal substrates of various materials, including the removal of surfaces. 4. **Oberflächenveredelung**: The processing and refinement of surfaces, including grinding, polishing, grooving, blasting and decorating of concrete, asphalt, cast asphalt, anhydrite and other materials. Overall, the company focuses on the processing and refinement of surfaces, particularly in the field of concrete and asphalt, as well as the renovation and maintenance of manhole covers and covers.

Entreprise Ropraz SA 

Romont Fr · Since 1977

The core activity of Ropraz SA is to provide services in the fields of construction and engineering, particularly in the areas of: * Building construction (masonry, concrete, excavation, demolition) * Civil engineering (infrastructure projects) * General contracting * Construction site management * Development and sale of real estate. The company thus offers a comprehensive range of construction services and is active throughout the Swiss Romandy region.

Imperiali AG 

Büren An Der Aare · Since 2021

The core activity of Imperiali AG encompasses the areas of road construction, civil engineering, special foundation engineering, earthworks, excavation of building pits and renaturation. Specifically, this includes the planning and execution of road construction projects, the construction of civil engineering structures such as shafts and pipelines, special civil engineering works such as trenchless pipe laying, earthworks such as excavation and earthmoving, the excavation and securing of building pits, as well as the renaturation of landscapes. Additionally, the company offers an emergency service for water main breaks.

Gebrüder Iten AG, Unterägeri 

Unterägeri · Since 1990

Gebrüder Iten AG, Unterägeri provides earthworks, demolition, transport and waste-disposal services. The company also performs civil and specialist foundation works — including micropiles, anchor systems and sheet- and bored-pile techniques — and operates recycling and skip services.

Stalder AG Bauunternehmen 

Wald Zh · Since 2004

The core activity of Stalder AG is construction, including civil engineering, renovation and construction management. The company offers services in the areas of new buildings, renovations and customer projects, and has a team of experts specializing in the planning and execution of construction projects.

Franz Bucher Tiefbau AG 

Boswil · Since 2009

Franz Bucher Tiefbau AG performs excavation, grading and earthworks, pipeline and water-construction works, as well as demolition and contaminated-site remediation. The company also provides natural stone wall construction, concrete cutting and drilling, and operates a fleet of construction machines for mechanical earthworks.

Theler AG, Bauunternehmung 

Raron · Since 2003

Theler AG, Bauunternehmung is a construction company carrying out civil and specialist civil engineering, industrial and concrete construction, underground works, transport and demolition projects. It also operates gravel and concrete plants, provides material processing, recycling and landfill services, and manages rental properties for commercial and residential use.