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40'897 companies found

J. Schumacher AG

Wangs · Since 1978

The core activity of J. Schumacher AG is carpentry and interior finishing, particularly the manufacture and installation of furniture, doors, stairs, libraries, counters and other wood products for private and commercial use. The company also offers renovation and refurbishment services and is involved in interior architecture.

Interior ConstructionJoinery

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KAMINTECH AG

Visp · Since 1998

The core activity of Kamintech AG is the planning, construction, renovation and maintenance of chimneys and chimney systems, including the installation of stove connections, steel chimneys, plastic exhaust ducts and system installations. In addition, the company also offers stove revisions, the renovation and restoration of stoves, as well as the manufacture of special custom-made products and accessories.

Specialized Construction Installations

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Kampinex Technik GmbH

Sirnach · Since 2001

The core activity of Kampinex Technik GmbH is comprehensive sheet metal and metal processing, including metal construction and sheet metal technology. The company offers a wide range of services, including the conception and realization of projects, the coverage of all production steps and the manufacture of customized products.

Metal Construction

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Karl Blaser AG

Krauchthal · Since 1998

The core activity of Karl Blaser AG is the planning and realization of winter gardens, patio canopies and terrace glazing, as well as the manufacture and sale of louvre pergolas.

Glaziery

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Karl Egli AG

Eschenbach Sg · Since 1980

Karl Egli AG provides electrical and telematics services, including electrical planning and installation, photovoltaic systems and Loxone Smart Home installations. The company also supplies safety systems (fire detectors, video surveillance, alarm systems), telematics services (multimedia, telephone/internet/TV, fiber installation) and sales, delivery and repair of household appliances.

Electrical Planning & Installation

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Karl Waechter AG

Zurich · Since 2011

The core activity of Karl Waechter AG is the planning, installation, maintenance and consulting of sanitary, heating and cooling systems as well as sheet metal and solar solutions for private individuals, companies and the public sector in the Zurich region.

Plumbing & Building ServicesSpecialized Construction Installations

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Keller + Marquart AG

Herisau · Since 2023

Keller + Marquart AG manufactures and supplies windows and front doors and offers related products such as sun and privacy shading, insect protection and accessories. The company provides individual planning, in-house production, consultation, installation, repair and window servicing, and is a member of the Swiss Fachverband for the window and façade sector (FFF).

Metal Construction

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Keller Tore und Montagen GmbH

Winterthur · Since 1998

The core activity of Keller Tore & Montagen GmbH is the planning, installation, maintenance and repair of gates and gate drives, in particular garage doors, industrial doors and other types of gates. The company also offers recycling and disposal services and has many years of industry knowledge and experience.

Specialized Construction Installations

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Klausner Muri AG

Muri Ag · Since 2015

The core activity of Klausner Muri AG is the consulting, planning and installation of mechanical and electronic locking systems, as well as key management and the supply of mailbox systems, safes and containers.

Specialized Construction Installations

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Klingler Heizung Sanitär Solar GmbH

Schaffhausen · Since 2008

Klingler Heizung Sanitär Solar GmbH provides planning, installation and maintenance of heating, sanitary and solar systems. Services include system consultation and project planning, installation of solar and heating systems, and related work such as boiler descaling, burner service, official combustion checks and general repairs.

Plumbing & Building Services

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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.