Civil Engineering

Caviezel Canalizzazioni SA 

Quartino · Since 1993

The core activity of Caviezel Canalizzazioni SA is the provision of services in the field of wastewater and sewer cleaning, maintenance and rehabilitation. This includes in particular: inspections of wastewater pipes and sewer systems using camera technology; rehabilitation and renovation of wastewater pipes and sewer systems using various methods such as liner technology, spray liner technology and robot-assisted rehabilitation; maintenance and cleaning of wastewater pipes and sewer systems, including the unblocking of drains; testing the tightness of wastewater pipes and sewer systems; and the construction and maintenance of wastewater pipes and sewer systems. The company offers these services to private and commercial customers, covering an important part of the infrastructure for wastewater disposal.

Lötscher Tiefbau AG 

Lucerne · Since 1958

The company's core activity is the construction and maintenance of infrastructure projects, particularly in the areas of civil engineering, road construction, earthworks and demolition. This includes, among other things: road construction, sewer and pipeline construction, sports field construction, engineering deep foundation work, pavement construction, hydraulic engineering, environmental work, and earthworks (excavation technology, soil stabilization, landfill and soil improvement, contaminated site remediation, demolition). The company offers these services as a full-service provider and focuses on the planning, execution and maintenance of infrastructure projects.

Alder Bau AG 

Herisau · Since 1965

Alder Bau AG provides construction services such as demolition, hazardous-material removal, earthworks and civil engineering; it also offers transport services (heavy and material transport, container services) and waste disposal and recycling via a disposal yard.

Richi Bau AG 

Weiningen Zh · Since 2016

Richi Bau AG provides excavation, demolition and contaminated-site services and supplies construction materials such as aggregate, concrete and containers. The website also lists recycling and waste-management services, crane and special-transport capabilities, and a biomass power plant for heat and electricity production.

Esslinger AG 

Zurich · Since 1977

The core activity of Esslinger AG is civil engineering, particularly the execution of construction projects in the areas of water supply, sewer and shaft connections, district heating connections and other construction-related services.

Hans Grieder AG, Aushub und Tiefbau 

Tecknau · Since 1980

The core activities of Hans Grieder AG include the following areas: Civil Engineering: Execution of construction projects in the field of civil engineering, including small works and large contracts. Skip Service: Rental of skips in various sizes for environmentally friendly disposal of materials. Environmental Works: Execution of works in the field of environmental design, including gardening and natural stone processing. Waste Disposal: Disposal of waste, including sorting and recycling. Demolition: Demolition of objects, including preparation of materials for reuse. The company offers these services to private and business customers and emphasizes quality, experience, and competitive prices.

Toni Seiler Baugeschäft AG 

Oberwil Bl · Since 2024

The core activity of Toni Seiler Baugeschäft AG is the provision of services in the field of building construction, civil engineering and environmental design, including: Building construction: extensions, renovations, conversions, additions, concrete work, swimming pool and pool construction; Civil engineering: road construction, pipeline construction, utility lines, sewerage, trenching, water pipe rupture, directional drilling; Environmental design: design of seating areas, terraces, forecourts, natural stone work, garden swimming pools; Customer masonry: conversions, renovations, wall demolition, steel beams, CFRP laminates for bathroom and kitchen. The company thus offers comprehensive services for construction projects from planning to execution.

Schenk AG Heldswil 

Heldswil · Since 1989

The core activity of Schenk AG Heldswil encompasses a wide range of services in the construction and infrastructure sector, particularly: drilling, civil engineering, road construction, pipeline construction, mechanical engineering, location services, planning and surveying, and pipe bursting. The company thus provides comprehensive solutions for construction projects, from planning and surveying to the execution and maintenance of infrastructure projects.

Keller-Frei AG 

Wallisellen · Since 2012

Keller-Frei AG is a construction company performing road and civil engineering works. Its services include building and maintaining roads, utility and drainage infrastructure, surface paving and public squares, and maintenance, repair and renovation of existing infrastructure.

Probatech Constructions SA 

Grolley · Since 1995

Probatech Constructions SA is a construction company acting as a general contractor, providing masonry, concrete and reinforced concrete works as well as civil engineering services. Its services also include earthworks and excavation, exterior landscaping, renovation and demolition.

STOCKER Mulden+Kipper Transport AG 

Gebenstorf · Since 2010

The core activity of Stocker Tiefbau encompasses civil engineering and construction services, particularly: excavation and foundation pit closures, road construction and cleaning, demolition and renaturation, environmental design and landscaping, as well as excavation and transportation services. Thus, the company offers a wide range of services in the field of civil engineering and construction.

Imhof Bau AG 

Kreuzlingen · Since 2018

Imhof Bau AG is a construction and services company providing earthworks, specialized civil engineering and demolition services. The company also offers transport and site logistics as well as waste-management and environmental services, including disposal centres and processing of mineral materials.

Imhof Bau AG 

Stein Am Rhein · Since 2010

Imhof Bau AG provides transport, construction and waste-management services, along with environmental and resource solutions. Its offerings include earthworks, demolition, site logistics, crane and special transports, operation of waste disposal centres and material recovery services.

Gysin Immobilien AG 

Hölstein · Since 1987

Gysin Tiefbau AG 

Hölstein · Since 2010

solHaus AG 

Lohn-Ammannsegg · Since 2013

The core activity of solHaus AG is the planning and execution of construction projects, including architecture, construction management and real estate management.

Canalotop Sàrl 

Grandson · Since 2018

The core activity of Canalotop Sàrl is to provide services in the field of sewerage and drainage, specifically: * Emergency unblocking (emergency service for clogged sewers) * Sewer cleaning * Inspection and detection of sewers (using cameras) * Regular maintenance of sewers * Preventive checks of sewers * Tightness tests The company offers these services to private and commercial customers in the Lausanne, Yverdon, Grandson, Nord Vaudois, Neuchâtel and surrounding areas.

Früh Tiefbau GmbH 

Krummenau · Since 2000

Früh Tiefbau GmbH provides civil engineering and earthworks services as an independent small contractor. Its offerings include installation of underground utilities, spring capture, excavation, construction of small access roads, landscaping and garden works, interlocking stone surfaces, demolition and renovation work.

Gebr. Jetzer Hoch- und Tiefbau AG 

Schnottwil · Since 1996

The core activity of Gebr. Jetzer AG encompasses various services in the construction sector, particularly: earthworks, road construction, pipeline and drainage construction, hydraulic engineering, water supply, transportation and muck-away services, excavator taxi and suction excavator services. Thus, the company offers a wide range of services in the fields of civil engineering and construction.

Epiney Construction SA 

Sierre · Since 2012

The core activity of Epiney Construction SA is the provision of services in the field of construction and engineering, particularly in the areas of: civil engineering (e.g. road construction, bridge construction, sewerage), building construction, and special works. The company offers a wide range of services, including planning, execution and management of construction projects, with a focus on quality, safety, scheduling and cost planning, as well as sustainability.

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.

Bochaton Paysage SA 

Ardon · Since 2013

Bochaton Paysage SA is a landscaping and earthworks company that designs, constructs and maintains outdoor spaces, including planting, rockwork and fencing. Its services also cover civil excavation and groundwork (foundations, drainage), garden maintenance and snow-clearing for private and commercial clients.

Costa AG, Hoch- und Tiefbau 

Pontresina · Since 1968

The company is active in the fields of gravel/concrete, civil engineering and renovations. It offers services and products related to the construction industry, such as the production of concrete, the extraction of gravel and the execution of civil engineering and renovation works.

F. Bernasconi et Cie SA 

Les Geneveys-Sur-Coffrane · Since 2008

F. Bernasconi et Cie SA is a construction company performing building works, civil engineering and engineering-structure projects such as bridges, viaducts and tunnels. Its services include renovations, residential, commercial and industrial buildings, earthworks, roads, drainage and underground works, and the company holds ISO 9001, ISO 14001 and ISO 45001 certifications.

F. Bernasconi et Cie SA, succursale de Neuchâtel 

Neuchâtel · Since 1998

F. Bernasconi et Cie SA, succursale de Neuchâtel is a construction company providing services in building construction, civil engineering and engineering structures. Its offerings include residential and industrial buildings, public and private infrastructure, and the construction of bridges, viaducts and tunnels; the company holds ISO 9001, ISO 14001 and ISO 45001 certifications.

F. Bernasconi et Cie SA, succursale de Vaud, à Puidoux 

Puidoux · Since 2017

F. Bernasconi et Cie SA, succursale de Vaud, à Puidoux provides construction services in building, civil engineering and engineering structures such as bridges, viaducts and tunnels. Its offerings include renovations, earthworks, roadworks, drainage and underground works, and the company holds ISO 9001, ISO 14001 and ISO 45001 certifications.

F. Bernasconi et Cie SA, succursale de Meyrin 

Meyrin · Since 2024

F. Bernasconi et Cie SA, succursale de Meyrin provides building construction, civil engineering and engineering-structure works such as bridges, viaducts and tunnels. The branch also carries out renovations, earthworks, roads and sewer works and holds ISO 9001, ISO 14001 and ISO 45001 certifications.

Gentana GmbH 

Kreuzlingen · Since 2023

Gentana GmbH is a road-construction company providing civil engineering and related services. Its services include house connections, trenchless techniques, core drilling, and private contracts such as path and plaza works and garden installations.

Groupe Construir. SA 

Sierre · Since 2012

The core activity of Emery Epiney is the provision of services in the fields of construction, engineering and earthworks. Specifically, this includes the planning and execution of construction projects, including the construction of buildings, the execution of earthworks, the construction of roads and bridges, as well as the execution of specialized works such as the construction of retaining walls and the execution of sewerage works.

Imthurn AG 

Thayngen · Since 2003

Imthurn AG is a construction company specializing in civil engineering, road construction and pipeline works. It carries out projects for municipalities, cantons and private clients and operates a 24-hour pipe-break and emergency service.

KRB Schweiz GmbH 

Allschwil · Since 2024

The core activity of KRB Schweiz GmbH is the planning, manufacturing and installation of high-quality piping systems, equipment and containers made of plastic for various industries, particularly the chemical and pharmaceutical industries, as well as for architects, administrations and private customers throughout Switzerland.