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

Energy & Environment

Filters
IndustryEnergy & Environment
Search results

Matching companies

9'003 companies found

AS

Alka Sagl 

Gordola · Since 2025

Waste Management Industry
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EÉ

Eco électricité SA 

Reconvilier · Since 2025

Solar & Photovoltaics
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WG

WMF Green Assets AG 

Zug · Since 2021

Sustainability Sector
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WA

Wohnbau ABD AG 

Kleingurmels · Since 1975

Energy Suppliers
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WE

World Entrepreneurs Sàrl 

Geneva · Since 2022

Sustainability Sector
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WS

World Sustainability Standard Organization GmbH 

Zurich · Since 2024

Sustainability Sector
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WA

Worn Again Switzerland AG 

Zurich · Since 2024

Waste Management Industry
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WW

WRE Waste Recycling Engineering AG 

Baar · Since 2010

Waste Management Industry
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WR

W. Rokitzky AG 

Zurich · Since 2020

Solar & Photovoltaics
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WM

WST21 Michele Steiner 

Zurich · Since 2006

Waste Management Industry
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WG

wtog GmbH 

Rutschwil (Dägerlen) · Since 2020

Solar & Photovoltaics
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AS

AR SmartAssist GmbH 

Allschwil · Since 2020

Sustainability Sector
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WS

Wüest Solar 

Zurich · Since 2019

Solar & Photovoltaics
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WP

Wyss PlantScience 

Souboz · Since 2021

Sustainability Sector
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XG

Xeniox GmbH 

Muri B. Bern · Since 2023

Solar & Photovoltaics
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AC

Altitude Capital Partners GmbH 

Alpnach Dorf · Since 2024

Sustainability Sector
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XG

XTEGRASOL GmbH 

Gais · Since 2023

Solar & Photovoltaics
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XR

XXL Recycling Sàrl 

Ecuvillens · Since 2004

Waste Management Industry
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YS

YAPA SA 

Veytaux · Since 2021

Sustainability Sector
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YN

Yazigi Night Solar 

Le Landeron · Since 2023

Solar & Photovoltaics
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YS

YELLOWTREE SPV-001 AG 

Bottmingen · Since 2013

Solar & Photovoltaics
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YS

YELLOWTREE SPV-005 GmbH 

Bottmingen · Since 2014

Solar & Photovoltaics
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YS

YELLOWTREE SPV-002 GmbH 

Bottmingen · Since 2018

Solar & Photovoltaics
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YA

YELLOWTREE AG 

Bottmingen · Since 2009

Solar & Photovoltaics
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YS

YELLOWTREE SPV-006 GmbH 

Bottmingen · Since 2014

Solar & Photovoltaics
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YA

Yelrah AG 

Steffisburg · Since 1991

Solar & Photovoltaics
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UD

und du AG 

Lausanne · Since 2024

Energy Suppliers
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YS

Y-Solaire SA 

Yverdon-Les-Bains · Since 2022

Solar & Photovoltaics
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YS

Y-Solartech Sàrl 

Yverdon-Les-Bains · Since 2022

Solar & Photovoltaics
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YI

YUNIRISK INTERNATIONAL SARL 

Geneva · Since 2013

Waste Management Industry
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ZN

Z43 NetZero Stiftung 

Zurich · Since 2024

Sustainability Sector
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ZR

Zberg Rents 

Muri B. Bern · Since 2019

Waste Management Industry
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ZE

ZEN Energie Services Sàrl 

Plan-Les-Ouates · Since 2023

Solar & Photovoltaics
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ZR

Zengaffinen REC AG 

Niedergesteln · Since 2018

Waste Management Industry
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ZI

ZENOBIA International AG 

Lucerne · Since 2010

Solar & Photovoltaics
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ZA

Zenteco AG 

Wettingen · Since 1964

Sustainability Sector
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ZS

ZICA SA 

Geneva · Since 2001

Sustainability Sector
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ZL

Zimmermann Lisa Miriam 

Scharans · Since 2024

Sustainability Sector
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ZC

ZimZelen Consulting Sàrl 

Geneva · Since 2023

Sustainability Sector
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ZE

Zoï Environment Network 

Châtelaine · Since 2010

Sustainability Sector
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ZM

ZOLTAN MONTAGE 

Eriswil · Since 2012

Solar & Photovoltaics
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ZE

Zosso Ecoénergie Sàrl 

Misery-Courtion · Since 2013

Solar & Photovoltaics
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ZA

Zubringer AG 

Mägenwil · Since 2009

Energy Suppliers
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ZÖ

Züger Ökoberatungen 

Salouf · Since 2018

Sustainability Sector
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ZK

Zwicky Kanalreinigungen AG 

Bäretswil · Since 2019

Waste Management Industry
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ZT

ZYWA Tech AG 

Binningen · Since 2023

Sustainability Sector
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PG

PlatzMacher GmbH 

Hüswil · Since 2025

Waste Management Industry
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SE

Swiss Eco Environment SA 

Geneva · Since 2025

Sustainability Sector
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CM

Campeanu Marian 

Aclens · Since 2025

Solar & Photovoltaics
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F

Fagetti 

Rüthi (Rheintal) · Since 2025

Solar & Photovoltaics
View profile
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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.