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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,378 companies indexed · Last updated: today

DirectoryWater Supply

Water Supply

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IndustryEnergy & EnvironmentIndustryWater Supply

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Matching companies

398 companies found

Brunngenossenschaft Berghölzli Schnottwil

Schnottwil · Since 1992

Büelen-Genossenschaft

Davos Dorf · Since 1986

Buoffen Wasser-AG

Oberiberg · Since 1974

Burgrain Wasser AG

Willisau · Since 1969

Confrérie de l'Eau des Follys Société coopérative

L'Etivaz · Since 1944

Coopérative Aquacasa

Réclère · Since 1970

Dorfbrunnengenossenschaft Ettiswil

Ettiswil · Since 1956

Dorfbrunnengenossenschaft Plaffeien

Plaffeien · Since 1982

Dorfkorporation Alterschwil Genossenschaft

Flawil · Since 1935

EAU-Vallon SA

St-Imier · Since 2014

Eaux d'Arolla SA

Arolla · Since 2000

Erschliessungsgenossenschaft Cuolm Sura

Surcuolm · Since 1988

F-TEC Systems SA

Monthey · Since 2000

Genossenschaft für die Erschliessung der Bielen

Lungern · Since 1971

Genossenschaft für die Wasserversorgung Kalpetran (GWK)

Kalpetran · Since 1988

Genossenschaft Geissweidli

Willerzell · Since 1978

Genossenschaft Trinkwasserversorgung Buchsteig

Thal · Since 1901

Genossenschaft Wasser Steinbach

Euthal · Since 2008

Genossenschaft Wasserversorgung Dorf Hasle (WVDH)

Hasle Lu · Since 1900

Genossenschaft Wasserversorgung Dorf Entlebuch (WVDE)

Entlebuch · Since 1926

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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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