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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,805 companies indexed · Last updated: today

DirectoryEnergy Suppliers

Energy Suppliers

Filters

IndustryEnergy & EnvironmentIndustryEnergy Suppliers

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Matching companies

1'136 companies found

SolarFor SA

Evionnaz · Since 2016

Energy Suppliers

Soltectum SA

Le Landeron · Since 2023

Energy Suppliers

SSE Société Suisse d'Electricité SA

Fribourg · Since 2016

Energy Suppliers

Steiner Natur-Strom GmbH

Dagmersellen · Since 2015

Energy Suppliers

St. Gallisch-Appenzellische Kraftwerke AG

Herisau · Since 2020

Energy Suppliers

Strom von der HALT GmbH

Lengnau Ag · Since 2014

Energy Suppliers

Sunngarten GmbH

Wahlendorf · Since 2019

Energy Suppliers

Sunseed SA

Penthalaz · Since 2010

Energy Suppliers

Synerghia SA

Monte Carasso · Since 2015

Energy Suppliers

Thermoréseau Buix Sàrl

Buix · Since 2016

Energy Suppliers

THERMORESEAU BURTIGNY SA

Burtigny · Since 2007

Energy Suppliers

thurenergie gmbh

Wil Sg · Since 2024

Energy Suppliers

THURPOWER AG

Bazenheid · Since 2002

Energy Suppliers

Tunnelwasser Energie AG

Wiler B. Utzenstorf · Since 2024

Energy Suppliers

UltraWatt Sàrl

Savièse · Since 2021

Energy Suppliers

VetSun SA

Penthalaz · Since 2022

Energy Suppliers

Vivaldis SA

Cernier · Since 2015

Energy Suppliers

Wälchli energy

Burgdorf · Since 2023

Energy Suppliers

Wärme Feld, Inhaber Spielmann

Messen · Since 2022

Energy Suppliers

Wärme Bühl GmbH

Staffelbach · Since 2021

Energy Suppliers

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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.