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

DirectoryPlumbing & Building Services

Plumbing & Building Services

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IndustryCrafts & TradesIndustryPlumbing & Building Services

Search results

Matching companies

6'598 companies found

Werner Grütter

Neuenegg · Since 1975

Plumbing & Building Services

Werner Küffer

Gerolfingen · Since 2005

Plumbing & Building Services

Werner Richters Heizungs- und Sanitäranlagen

Seon · Since 1985

Plumbing & Building Services

Werner Sunier, Sanitär-Gasapparate-Service + Heizungssanierungen

Uster · Since 1985

Plumbing & Building Services

Werner Weber Haustechnik GmbH

Herrliberg · Since 2009

Plumbing & Building Services

Werner Zbinden

Meiringen · Since 1991

Plumbing & Building Services

"WET Heizung-Sanitär" Kurtisi

Flums · Since 2005

Plumbing & Building Services

Wetter Ingenieurbüro AG

Schaffhausen · Since 1982

Plumbing & Building Services

Whirlpool Deluxe Sulejmani

Aefligen · Since 2015

Plumbing & Building Services

WHS Heizung und Sanitär GmbH

Gwatt (Thun) · Since 1996

Plumbing & Building Services

W. Hug-Bavier

St. Peter · Since 2000

Plumbing & Building Services

Wicht Alexandre

Bassecourt · Since 2010

Plumbing & Building Services

Widmer + Wehrli Wärmetechnik Inhaber Beate Wehrli Catarina

Dachsen · Since 2008

Plumbing & Building Services

Wigger Haustechnik GmbH

Schüpfheim · Since 2024

Plumbing & Building Services

Wihler Sanitär

Pfäffikon Zh · Since 2005

Plumbing & Building Services

Wild Bernard, chauffage et sanitaire

Le Sentier · Since 1992

Plumbing & Building Services

Willi Hirt AG

Döttingen · Since 1972

Plumbing & Building Services

Wirth Haustechnik Sanitär + Heizungen

Wangen B. Dübendorf · Since 1998

Plumbing & Building Services

Wirth Montagen

Ennetbaden · Since 2022

Plumbing & Building Services

Wistag AG Frisch- und Abwassertechnik

Inwil · Since 1967

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.

Per page

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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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