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

Energy & Environment

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IndustryEnergy & Environment
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Matching companies

9'016 companies found

NextGen CDR AG Logo

NextGen CDR AG 

Zurich · Since 2022

NextGen CDR AG operates a facility and portfolio that purchases certified carbon dioxide removals (CDRs) from technological projects. It aggregates demand from multinational buyers and applies ICROA‑endorsed certification standards across a diversified set of CDR approaches such as direct air capture, biomass carbon removal and storage, high‑temperature biochar, enhanced weathering and product mineralization.

Sustainability Sector
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Neyergie SA Logo

Neyergie SA 

Neyruz Fr · Since 2023

The core activity of Neyergie SA is the production and distribution of energy, particularly electrical energy through photovoltaics and thermal energy. The company supplies both private and public buildings with energy and offers consulting, financing and operation of energy projects.

Energy Suppliers
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Nieder ENERGIE Häuser GmbH Logo

Nieder ENERGIE Häuser GmbH 

Wichtrach · Since 2019

The core activity of Nieder ENERGIE Häuser GmbH is energy consulting and optimization for buildings, particularly in the creation of energy certificates (GEAK), planning and implementation of energetic renovations and new constructions, as well as consulting on the selection and implementation of energy-efficient solutions such as heat pumps, solar systems and ventilation systems.

Technical Consulting & EngineeringSustainability Sector
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Niemeyer Umwelt GmbH Logo

Niemeyer Umwelt GmbH 

Schafisheim · Since 2020

The core activity of Niemeyer Umwelt GmbH is consulting and project management in the field of nuclear waste disposal, remediation of contaminated sites and environmental protection. The company offers services such as environmental consulting, safety analyses, project management and communication with authorities and the public, with the goal of achieving a sustainable and environmentally friendly disposal of nuclear waste and the remediation of contaminated sites.

Waste Management Industry
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NIGGLI ANGUS GmbH Logo

NIGGLI ANGUS GmbH 

Samedan · Since 2020

The core activity of Niggli Angus GmbH is the breeding and distribution of Angus cattle, as well as the production of feed and the implementation of climate protection measures in the agricultural sector.

Sustainability Sector
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Nik Häne Fachlösungen für Heizungen und sanitäre Anlagen Logo

Nik Häne Fachlösungen für Heizungen und sanitäre Anlagen 

Dinhard · Since 2012

The core activity of Nik Häne includes the planning, installation, maintenance and repair of heating and sanitary systems, including solar and boiler services. The company also offers chemical descaling and sanitary repairs.

Solar & Photovoltaics
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NM Power Novalic Logo

NM Power Novalic 

Derendingen · Since 2009

The core activity of NM Power is the collection, purchase and recycling of scrap metals, particularly earth cables, electrical cables and other metal-containing waste, with the aim of reintroducing these raw materials into the cycle and thus making a contribution to environmental protection.

Waste Management Industry
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Nomali Suisse SA Logo

Nomali Suisse SA 

Grand-Lancy · Since 1985

Nomali Suisse SA is a building‑sector company providing consulting, installation and maintenance services for lighting, signage and energy systems. Its offerings include illuminated signage and storefront graphics, and the G‑EauSolAir division supplies heat pumps, photovoltaic and thermal solar systems, batteries and thermodynamic water heaters.

Solar & Photovoltaics
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NON-EXPLO WORLD Sàrl Logo

NON-EXPLO WORLD Sàrl 

Morges · Since 2018

The core activity of Non-Explo World Sàrl is the development, manufacture and application of controlled blasting systems for use in demolition and environmental protection, in particular the production of special blasting capsules (AUTOSTEM capsules) for the safe and efficient demolition of concrete and rock.

Sustainability Sector
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Nordur Power Grid Association Logo

Nordur Power Grid Association 

Bern · Since 2014

The core activity of the Nordur Power Grid Association is to promote cooperation and exchange between science, politics and economy in the field of renewable energies in order to bring about an energy transition and shape a sustainable energy future.

Sustainability Sector
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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.