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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryCivil Engineering

Civil Engineering

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IndustryConstruction & ArchitectureIndustryCivil Engineering
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2'496 companies found

O. Aeschlimann AG Logo

O. Aeschlimann AG 

Sissach · Since 1976

O. Aeschlimann AG is a road construction and asphalt paving company that produces and installs cast asphalt, rolled asphalt and coloured pavement surfaces. Its services include bridge and tunnel cast-asphalt systems, floor and wall coverings, utility construction and rehabilitation works, with asphalt mix production on its own processing plants.

Civil Engineering
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O. Aeschlimann AG Logo

O. Aeschlimann AG 

Aarau · Since 1961

O. Aeschlimann AG provides road construction and asphalt production services, undertakes Gussasphalt works for bridges, tunnels and building projects, and supplies floor and wall coverings as well as rehabilitation works.

Civil Engineering
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Oberland Transport AG Logo

Oberland Transport AG 

Adelboden · Since 2017

The core activity of Oberland Transport AG encompasses a wide range of services in the construction and logistics sectors, including: Transport services, Muckaway services, Civil engineering works, Excavation works, Specialized civil engineering, Paving, Demolition and dismantling works, Aggregate processing, River engineering, Earthworks. The company thus offers a broad spectrum of services that cover the planning, execution and completion of construction projects as well as logistics and material transportation.

Civil Engineering
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OJi Design Sàrl Logo

OJi Design Sàrl 

Lausanne · Since 2021

The core activity of Oji Design is to provide services in the field of construction, particularly in the following areas: Coffrage / Armatures: creation of individual plans for formwork and reinforcement using software such as Autocad and Cadwork. Fire protection: creation of plans for fire protection concepts. Building pollutant diagnostics: conducting diagnoses and analyses of pollutants in buildings, particularly in the context of renovation and conversion projects. The company offers these services as a subcontractor and emphasizes quality, speed, reliability, and competitiveness.

Civil Engineering
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Oleïnna construction Sàrl Logo

Oleïnna construction Sàrl 

Evolène · Since 2014

The core activity of Oleinna Construction Sàrl is the provision of services in the fields of construction and engineering, particularly in the following areas: building construction, civil engineering, exterior fittings, reinforced concrete, renovation, and earthworks. The company thus offers a wide range of construction services, from planning to the execution of construction projects.

Building ConstructionBuilding MaintenanceCivil Engineering
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O. Mäder Schadstoffsanierung GmbH Logo

O. Mäder Schadstoffsanierung GmbH 

Oberburg · Since 2017

The core activity of O. MÄDER AG is the provision of services in the construction industry, particularly in the areas of: building construction, civil engineering, renovation and refurbishment, customer-specific masonry work, concrete demolition, drilling, cutting, breaking and pressing of concrete, machine and equipment rental, chimney renovation, sealing, coating work, industrial flooring, rock cleaning (work on climbing ropes), exploratory drilling for site investigation, steel structures, consulting and planning. The company thus offers a wide range of services in the construction industry and positions itself as a full-service provider in this field.

Building ConstructionCivil EngineeringMasonry Work
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Opus AG Bauunternehmung Logo

Opus AG Bauunternehmung 

Wallisellen · Since 2007

The core activity of OPUS AG is construction, particularly the planning and execution of construction projects in the Glattal region. The company offers comprehensive construction expertise and covers all phases of a construction project, from planning to execution.

Building ConstructionBuilding MaintenanceCivil Engineering
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P4 Fiber GmbH Logo

P4 Fiber GmbH 

Buttikon Sz · Since 2022

P4 Fiber GmbH is a company for civil cable engineering and fiber‑optic network installations. It performs cable pulling for FTTH and FTTS, constructs and adapts access shafts, handles house entries and OTDR measurements, and provides planning, maintenance and fault‑repair services.

Civil Engineering
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P. Aebischer GmbH Logo

P. Aebischer GmbH 

Guggisberg · Since 2018

The core activity of P. Aebischer GmbH is civil engineering, particularly excavator work, demolition, environmental and structural work, as well as transportation.

Civil Engineering
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P.A. Marmillod S.A. Logo

P.A. Marmillod S.A. 

Bussigny · Since 1980

The core activity of P.A. Marmillod S.A. consists of carrying out construction work, particularly in masonry, reinforced concrete and civil engineering. The company offers both smaller and larger construction projects, ranging from a few thousand to several million Swiss francs.

Civil EngineeringMasonry Work
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Panaiia & Crausaz Bau AG Logo

Panaiia & Crausaz Bau AG 

Grenchen · Since 2023

Civil Engineering
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PARKMARK Markierungen & Signalisationen Hubert Räss Logo

PARKMARK Markierungen & Signalisationen Hubert Räss 

Untereggen · Since 2009

PARKMARK Markierungen & Signalisationen Hubert Räss carries out markings and signage, providing services for parking organisation, road and floor markings, and the production of signs and foil-based panels. The company uses two-component marking materials for different substrates, offers marking to plans or customer specifications, and advises clients on material selection and project execution.

Civil Engineering
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Partnerbau AG Logo

Partnerbau AG 

Stadel (Winterthur) · Since 2021

Partnerbau AG is a construction company that performs building construction, civil engineering, conversions and renovations. Its services include masonry, building and bathroom renovations, pipe laying and deconstruction, and it supports projects from planning through to completion.

Building ConstructionBuilding MaintenanceCivil Engineering
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Paul Wehrli, Erd- und Tiefbau, Züberwangen Logo

Paul Wehrli, Erd- und Tiefbau, Züberwangen 

Züberwangen · Since 2007

The company Paul Wehrli Erd- und Tiefbau in Züberwangen has two core activities: 1. Earthworks and Civil Engineering: The company offers services in the field of earthworks and civil engineering, including excavation and environmental work, demolition work, pipeline construction, and land correction. 2. Agriculture and Direct Sales of Natura Beef: The company operates an agricultural business, producing high-quality Natura beef, which is sold directly to customers.

Civil Engineering
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Perren Baugeschäft AG Logo

Perren Baugeschäft AG 

Glis · Since 1994

The core activity of Perren Baugeschäft AG is general contracting, particularly the construction of single-family homes and multi-family homes.

Building ConstructionBuilding MaintenanceCivil Engineering
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Peter Marquis Baggerbetrieb AG Logo

Peter Marquis Baggerbetrieb AG 

Unterterzen · Since 2018

Peter Marquis Baggerbetrieb AG provides demolition, excavation and recycling services. The company carries out earthworks, landscaping, stone wall construction and stream stabilization, and installs utility lines, operating an on-site recycling facility to process demolition material into RC gravel. Its equipment includes a fleet of excavators in various weight classes and a range of attachments such as hammers, grapples and concrete crushers.

Civil EngineeringSite PreparationMasonry Work
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Peyer VTR GmbH Logo

Peyer VTR GmbH 

Gettnau · Since 2016

Peyer VTR GmbH provides equipment-and-operator rental and delivers civil engineering, demolition and land reclamation services. Offerings include excavation, waterworks, pipeline and dam construction, building demolition and earthworks using tracked vehicles, supported by a fleet of excavators and compaction equipment.

Civil EngineeringSite PreparationMasonry Work
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Pfändler Bau AG Logo

Pfändler Bau AG 

St. Gallen · Since 2015

The core activity of Pfändler Bau AG is the provision of services in the field of civil engineering, particularly: deep foundation work, construction of retaining walls, environmental work, customer-specific construction projects, renovations, and conversion and extension work. The company also offers consulting services and individual solutions for its customers.

Building ConstructionCivil Engineering
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Pfenninger Thomas Baggerbetrieb Logo

Pfenninger Thomas Baggerbetrieb 

Saland · Since 2004

The core activity of Baggerbetrieb Thomas Pfenninger includes the execution of excavation and transport work, in particular: excavation work for various projects such as single-family homes, garages, storage halls, water reservoirs and garden houses; pipeline construction, including the laying of water, electricity and telecommunications lines, also in difficult terrain; construction and renovation of squares and paths, such as forecourts, garden seating areas and access roads; and transportation of excavated materials such as gravel, sand and rubble.

Civil EngineeringSite Preparation
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Pierre Bois, titulaire Will Pierre-André Logo

Pierre Bois, titulaire Will Pierre-André 

La Sagne Ne · Since 2021

The core activity of Pierre Bois encompasses the following areas: Logging (felling, pruning and clearing), Civil Engineering (construction of buildings, roads and bridges), Masonry (construction and renovation of buildings) and Landscaping (garden and landscape construction, e.g. creation of gardens and outdoor facilities). The company thus offers a wide range of services in the fields of construction, renovation and gardening.

Building ConstructionCivil EngineeringSite Preparation
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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