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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,808 companies indexed · Last updated: today
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300 companies found

Zemp + Kiefer AG Logo

Zemp + Kiefer AG 

Frenkendorf · Since 1983

The core activity of Zemp & Kiefer AG is the provision of electrical installations and services in the fields of building automation, security technology, and energy-saving solutions. This includes, in particular: electrical installations and systems, secure installations and replacement of electric heating systems, building automation and smart home solutions, alarm systems and video surveillance, energy-saving solutions and heat pump retrofits. The company also offers products and solutions from partners such as Abus and Eaton and operates an online shop for security and electrical articles.

Electrical Planning & InstallationRetail - Electronic Devices
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2I

2M Invest AG 

Frenkendorf · Since 1978

Holding Companies
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2A

2Msolutions AG 

Frenkendorf · Since 2017

Logistics & Transport Companies
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4R

4D-Manufaktur Riebli 

Frenkendorf · Since 2024

Technical Consulting & Engineering
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A&

Abt & Domb AG 

Frenkendorf · Since 2022

Property Management
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AC

A.D. Ceccon GmbH 

Frenkendorf · Since 2004

Gas Stations
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AC

Affolter Consulting AG 

Frenkendorf · Since 2011

Management Consulting
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AG

Akkaya Gastro GmbH 

Frenkendorf · Since 2015

Restaurants
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AI

Alpasch Invest GmbH 

Frenkendorf · Since 2021

Property Management
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AS

Alp Swiss GmbH 

Frenkendorf · Since 2024

Chemical Industry
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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.