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

DirectoryEnergy & Environment

Energy & Environment

Filters

IndustryEnergy & Environment

Search results

Matching companies

9'016 companies found

NISIVA ENERGY SA

Barbengo · Since 2023

Solar & Photovoltaics

NK-SUN - Nuredini

Aigle · Since 2022

Solar & Photovoltaics

NMJ Import & Export Daniel Noudem

Kappelen · Since 2016

Waste Management Industry

NNL SA

Someo · Since 2003

Sustainability Sector

NOGITEK GREEN Sagl

Lugano · Since 2024

Sustainability Sector

NoLoCaT Sàrl

Riddes · Since 2024

Sustainability Sector

Nordic Projekt GmbH

Kreuzlingen · Since 2019

Sustainability Sector

NOVA Financement SA

Morges · Since 2024

Sustainability Sector

Nowak S Consulting

Oberarth · Since 2022

Sustainability Sector

NRGYinvest AG

Zug · Since 2023

Solar & Photovoltaics

NTFP-Stiftung

Bern · Since 2002

Sustainability Sector

Numan Foundation

Basel · Since 2023

Sustainability Sector

N.U.P Umweltpflegetechnik Immo AG

Diessenhofen · Since 2016

Sustainability Sector

Nutawa Sagl

Giubiasco · Since 2011

Sustainability Sector

NVSolar SA

Aigle · Since 1996

Solar & Photovoltaics

Nymphalis Sagl

Mendrisio · Since 2016

Sustainability Sector

Nzatu Europe SA

Colombier Ne · Since 2023

Sustainability Sector

Nzeadi Cyril Duru

Balerna · Since 2021

Waste Management Industry

O2positiv GmbH

Fribourg · Since 2021

Sustainability Sector

Oberdorfbrunnen-Genossenschaft Brittnau

Brittnau · Since 1928

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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.