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

DirectoryEnergy Industry

Energy Industry

Filters

IndustryIndustryIndustryEnergy Industry

Search results

Matching companies

1'464 companies found

NH-Tech Sàrl

Aigle · Since 2018

Energy Industry

NO Consulting GmbH

Walchwil · Since 2020

Energy Industry

Nordstrom GmbH

Winterthur · Since 2003

Energy Industry

Nordur Group AG

Dättwil Ag · Since 2017

Energy Industry

Nova Energie Ostschweiz AG

Hundwil · Since 2021

Energy Industry

NRG Natural Resources Growth SA

Geneva · Since 2010

Energy Industry

NRGY 2020 Sàrl

Eclagnens · Since 2020

Energy Industry

NUADA ENERGY GmbH

Basel · Since 2011

Energy Industry

Nuova Energia Ticino SA

Madonna Del Piano · Since 2012

Energy Industry

Obermatt Kraftwerke AG

Grafenort · Since 2022

Energy Industry

Oekokraft Sagl

Vezia · Since 2006

Energy Industry

OHMIUM INTERNATIONAL, INC. Wilmington (Delaware) Zweigniederlassung Unterägeri

Unterägeri · Since 2022

Energy Industry

Oléoduc du Rhône S.A.

Les Valettes (Bovernier) · Since 1960

Energy Industry

OPENLOGS SA

Vacallo · Since 2010

Energy Industry

OptimalWay Sàrl

Coppet · Since 2024

Energy Industry

Orbis Energy Sàrl

Geneva · Since 2015

Energy Industry

OTC SA

Lausanne · Since 2020

Energy Industry

Ouvra electrica Grass GmbH

Zernez · Since 2014

Energy Industry

OVERGAZ SA

Carouge Ge · Since 1960

Energy Industry

Ovra electrica Ferrera SA, OEFT

Trun · Since 1996

Energy 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.

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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