Construction & Architecture

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46'481 companies found

KELER sàrl

Bernex · Since 2022

The core activity of Keler company is the execution of renovation and construction projects, particularly in the areas of: interior construction and renovation (e.g. painting, plastering, drywalling), flooring (e.g. parquet, tiles), demolition and dismantling work, and facade work (e.g. plastering, facade renovation). The company also offers a wide range of services to support customers in the planning and execution of construction projects.

Interior Construction

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Keller Bauingenieure AG, Ingenieurbüro für Hoch- und Tiefbau

Rheinfelden · Since 1980

Keller Bauingenieure AG is a consulting engineering firm specializing in structural engineering. The core activities include planning, construction management and engineering services in building construction and civil engineering, including foundation engineering, earthquake protection, flood protection, rehabilitation and proof of stability. The company also offers complementary services such as vibration measurements and construction project management.

Civil Engineering Firms

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Keller Bauunternehmung AG

Rheineck · Since 1997

The core activity of Keller Bauunternehmung AG encompasses the execution of construction projects in the following areas: * Building construction (residential buildings, industrial halls, hotels, conversions, renovations) * Civil engineering (excavation work, pipeline construction, sewage systems, retaining walls, forecourts) * Demolition (demolition excavators, concrete demolition, recycling) * Mobile crane work (with various mobile cranes up to 220 tons of lifting capacity) The company thus offers a wide range of construction services and is capable of carrying out complex construction projects from planning to completion.

Building ConstructionCivil Engineering

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Keller-MTS AG

Regensdorf · Since 2007

Keller-MTS AG is a company of the Keller Group that provides specialist geotechnical and foundation engineering services, including ground improvement, piling, injections, anchors and shotcrete. It delivers engineering and construction services for infrastructure, industrial, residential and environmental projects.

Civil Engineering

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Keramik-Baselland-Boz GmbH

Ziefen · Since 2017

The core activity of Keramik-Baselland-Boz GmbH is the planning and installation of floor and wall coverings, particularly ceramics, natural stone, glass mosaics and artificial stone, for both interior and exterior areas. This also includes specialized work such as the installation of balcony and staircase coverings, industrial floors, as well as silicone and general repair work.

Building ConstructionBuilding Maintenance

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Kirchmeier Handwerk AG

Siegershausen · Since 2020

Kirchmeier Handwerk AG is a carpentry workshop that designs and manufactures kitchens, cabinets and custom furniture as well as doors and windows. The company also undertakes renovation and remodeling projects, installs parquet and terrace flooring, and carries out repairs.

Interior Construction

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Klemens Dudli AG - Denkmalpflege und Architektur

Wil Sg · Since 2007

The core activity of Klemens Dudli AG is monument preservation and architecture, particularly in the repurposing and renovation of old buildings, monuments and historic buildings. The company provides comprehensive consulting and support for conversions, extensions and renovations, as well as monument preservation expertise and appraisals for private and public building owners.

Architecture FirmsGeneral Contractors

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KM Fensterbau GmbH

St. Margrethen Sg · Since 2012

The core activity of KM Fensterbau GmbH is the manufacture and installation of windows, doors, glass and wood constructions, as well as interior finishing, facade construction and carports. The company offers individual solutions for new building and renovation projects and advises builders, architects and homeowners on planning and execution of window and door systems.

Interior ConstructionTimber Construction & CarpentryMetal Construction

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Knupp Bau AG

Eich · Since 2006

Building Construction

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KOHLER baut

Wangs · Since 2024

The core activity of the company "Kohler Baut" is the provision of construction services of all kinds, in particular: masonry work, renovations and conversions of kitchens, basement rooms, screed extensions and other rooms, laying of floor coverings of all kinds, repairs of tile and floor coverings inside and outside, redesign of terraces and seating areas, and transportation. The company thus offers a comprehensive range of construction services for private and business customers.

Interior Construction

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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.