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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,089 companies indexed · Last updated: today
DirectorySite Preparation

Site Preparation

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1'170 companies found

LSS Bohr AG Logo

LSS Bohr AG 

Gettnau · Since 2006

The core activity of LSS Bohr AG is the execution of geothermal drillings and well drillings, particularly for the extraction of geothermal energy for heating systems. The company also offers additional services such as probe extensions, frost protection injections and consulting for the implementation of new heating systems.

Site Preparation
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Lüdi AG Rund ums Bauen Logo

Lüdi AG Rund ums Bauen 

Biglen · Since 2017

The company Lüdi AG is engaged in landscape gardening and offers services in this field. The core activity of the company includes the planning, design and maintenance of outdoor facilities, gardens and green spaces.

Building MaintenanceCivil EngineeringHorticulture & Landscaping
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Lüscher Tiefbau GmbH Logo

Lüscher Tiefbau GmbH 

Langenbruck · Since 2016

The core activity of Lüscher Tiefbau GmbH encompasses the following areas: Environmental works, Pavement and seating area works of all kinds, Parking lot works, Earthworks, Utility line works, Demolition works, Excavation works, and Machine rental with operation. Thus, the company offers a wide range of services in the field of civil engineering and infrastructure.

Site PreparationMasonry Work
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LussiBau GmbH Logo

LussiBau GmbH 

Samstagern · Since 2016

The core activity of LussiBau GmbH is the execution of civil engineering, new construction and renovation work, including renovations and refurbishments, with a focus on energy-efficient building and the prevention of construction damage.

Building ConstructionBuilding MaintenanceCivil Engineering
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Mani Bau GmbH Logo

Mani Bau GmbH 

Winznau · Since 2018

The core activity of Mani Bau GmbH is the execution of masonry work, new constructions, renovations, core drilling and environmental work in the construction industry.

Building ConstructionBuilding MaintenanceSite Preparation
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Marcel Reichmuth Bau AG Logo

Marcel Reichmuth Bau AG 

Unteriberg · Since 2014

The core activity of Marcel Reichmuth Bau AG is the construction and implementation of construction projects, in particular the realization of customer ideas in the field of building construction.

Building ConstructionCivil EngineeringSite Preparation
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Marcel Sommerhalder GmbH Logo

Marcel Sommerhalder GmbH 

Lucerne · Since 2002

Marcel Sommerhalder GmbH provides remodeling and renovation services, handling project planning, coordination and execution. Services include construction management, painting works, kitchen and bathroom renovations and space optimization; for licensed trades such as electrical and sanitary work the company cooperates with partner contractors.

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MARCO DÄTWYLER GRUPPE AG Logo

MARCO DÄTWYLER GRUPPE AG 

Härkingen · Since 1983

MARCO DÄTWYLER GRUPPE AG is a corporate group providing building‑industry support services, including concrete processing and demolition, metal and steel construction and locksmithing, sewer/canal services, and sanitary and heating installations.

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Maret Yves Logo

Maret Yves 

Sembrancher · Since 2016

The company's core activity is the management and administration of the municipality of Sembrancher, including the provision of services such as water and electricity supply, waste disposal, road maintenance, security, forestry and alpine farming, as well as the management of public facilities such as schools, sports facilities and community centers.

Site PreparationSpecialized Construction ActivitiesTransport Companies
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Markwalder AG Logo

Markwalder AG 

Selzach · Since 2002

The core activity of Markwalder AG is focused on sewer cleaning and construction services, particularly in the areas of: * Sewer TV inspections and pipe cleaning in the property sector * Road construction, pipeline construction, and civil engineering * Repair and maintenance of drainage pipes and shafts * Emergency assistance in the event of damage such as backflow, flooding, or pipeline breaks * Consulting and support in insurance matters (liability, household and building water insurance) Thus, the company offers comprehensive services in the field of property drainage and construction.

Building MaintenanceCivil EngineeringSite Preparation
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Martin Messerli GmbH Logo

Martin Messerli GmbH 

Belp · Since 2015

The core activity of Martin Messerli GmbH is the provision of services as a construction company.

Building ConstructionBuilding MaintenanceCivil Engineering
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Marti Schreit- und Baggerbetrieb GmbH Logo

Marti Schreit- und Baggerbetrieb GmbH 

Altbüron · Since 2015

The core activity of Marti Schreitbagger & Baggerbetrieb GmbH encompasses a wide range of environmentally related works, including: excavation and earthworks, stream construction and renaturation, slope stabilization and wood construction, pipeline construction, spring catchments and drainage, clearing and hedge maintenance, stone walls, and gardening and environmental works. The company thus offers a broad spectrum of services in the field of environmental works and gardening.

Site Preparation
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Maschinenbetrieb Winteler AG Logo

Maschinenbetrieb Winteler AG 

Mollis · Since 2013

The core activity of Maschinenbetrieb Winteler AG encompasses various services in the fields of construction, machine operation, area and municipal maintenance, as well as gardening and landscaping. Specifically, the company offers the following services: construction business, machine operation, area and municipal maintenance, and gardening and landscaping. Thus, the company provides a wide range of services in the fields of construction and infrastructure maintenance.

Building ConstructionBuilding MaintenanceCivil Engineering
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Masserey SA, Terrassements et Transports Logo

Masserey SA, Terrassements et Transports 

Crans-Montana · Since 1996

The core activity of Masserey SA encompasses a wide range of services in the construction and transportation industry, including: * Transportation services * Earthworks * Container services * Construction works * Road construction and maintenance * Winter maintenance (snow removal) * Green space maintenance The company thus offers a broad spectrum of services that are relevant to both private and public clients.

Site Preparation
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Mathis Logo

Mathis 

Heiden · Since 2020

Site Preparation
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Mauroux-Robatel Sàrl Logo

Mauroux-Robatel Sàrl 

Prez-Vers-Noréaz · Since 2013

The core activity of Mauroux-Robatel Sàrl is the provision of breakdown services, i.e. emergency assistance or emergency services, 7 days a week and 24 hours a day.

ForestrySite Preparation
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MCMI.CH Sàrl Logo

MCMI.CH Sàrl 

Denges · Since 2023

MCMI.CH is a construction company specializing in providing services in the field of construction, particularly in the areas of masonry work, construction project management and implementation. The company's core activity includes planning, executing and monitoring construction projects, including the selection and procurement of materials, coordination of labor and ensuring compliance with quality and safety standards.

Building ConstructionBuilding MaintenanceSite Preparation
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Meier Bau Appenzell Logo

Meier Bau Appenzell 

Appenzell · Since 2015

Meier Bau Appenzell is a construction firm offering masonry work, civil and excavation services, site/landscaping works and maintenance, as well as renovation and extension projects.

Civil EngineeringSite PreparationMasonry Work
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MEISTER BAU AG Logo

MEISTER BAU AG 

Zurich · Since 2013

The core activity of Meister Bau Umbau und Renovationen AG encompasses a wide range of construction services, including: * Renovation and refurbishment * Infrastructure and special projects * Civil engineering * Scaffolding * Demolition work * Concrete drilling and cutting * Master builder services * Excavation work * In-situ concrete construction * Industrial and commercial construction * Precast concrete elements * Customer-specific masonry work * Repairs * Paving and flooring * Plastering * Sewerage and pipeline systems * Water damage restoration * Concrete rehabilitation The company thus offers a comprehensive range of construction services for various industries and clients.

Building ConstructionBuilding MaintenanceCivil Engineering
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Melk Durrer AG Logo

Melk Durrer AG 

Kerns · Since 1994

The core activity of Melk Durrer AG is building and providing services in the field of civil engineering, construction, demolition, renovation and real estate management. The company offers a wide range of services, including planning, execution and project management of construction projects, as well as the administration and marketing of real estate.

Building ConstructionBuilding MaintenanceCivil Engineering
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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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