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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

Mario Ackermann, Bachtel Power

Bubikon · Since 2016

Solar & Photovoltaics

Mario Lippuner - Büro für angewandte Ökologie

Zurich · Since 2023

Technical Consulting & EngineeringSustainability Sector

Markus Siegenthaler Heizung- Solar- Wasser

Thun · Since 2013

Solar & Photovoltaics

MaRol GmbH

Abtwil Ag · Since 2019

Solar & Photovoltaics

Marquis AG

Zwingen · Since 2019

Waste Management Industry

Marquis AG

Basel · Since 1994

Waste Management Industry

Marta Antonelli Consulting

Meilen · Since 2018

Sustainability Sector

Martine Studer-Gillioz

Uvrier · Since 1998

Waste Management Industry

Masael SA

Ponte Tresa · Since 2010

Waste Management Industry

MaSiMa Solar GmbH

Langnau Im Emmental · Since 2013

Solar & Photovoltaics

MaSoVi SA

Evionnaz · Since 2016

Energy Suppliers

MATRIMPEX ENERGY Sàrl

Villars-Ste-Croix · Since 2023

Solar & Photovoltaics

Maxiplus services, A. Rossier

Forel (Lavaux) · Since 1995

Waste Management Industry

Maxiterra Sàrl

Brissago · Since 2014

Sustainability Sector

MB Impianti Sagl

Chiasso · Since 2022

Solar & Photovoltaics

MBPAG MATTERHORN BIOGAS POWER AG

Zermatt · Since 2013

Waste Management Industry

MBRC the ocean SÀRL

Geneva · Since 2024

Sustainability Sector

MCB Trade, Bosshard

Grand-Lancy · Since 2022

Waste Management Industry

Mc Cormick Conseil

St-Sulpice Vd · Since 2024

Sustainability Sector

McHaus Energie GmbH

Walenstadt · Since 2022

Solar & Photovoltaics

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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.