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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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9'016 companies found

Société des Forces Électriques de La Goule SA Logo

Société des Forces Électriques de La Goule SA 

St-Imier

The company's core activity is the production and distribution of electrical energy, particularly through hydroelectric, wind and solar power, as well as the operation and maintenance of the associated power grid.

Energy Suppliers
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Sogetri SA, succursale de Bussigny Logo

Sogetri SA, succursale de Bussigny 

Bussigny · Since 2018

Sogetri SA, succursale de Bussigny is a company specializing in the sorting and recycling of various types of waste. It operates a network of sorting and recycling centres in French-speaking Switzerland and provides waste management, material recovery and removal logistics services; the company is part of the Helvetia Environnement group and holds ISO and B Corp certifications.

Waste Management Industry
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Sogetri SA Logo

Sogetri SA 

Carouge Ge · Since 1991

Sogetri SA provides waste sorting, recycling and recovery services for a range of waste streams. The company operates several sorting centres in Romandie and offers services for waste processing, material valorisation and related waste-management solutions.

Waste Management Industry
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Sogetri SA, succursale de Tolochenaz Logo

Sogetri SA, succursale de Tolochenaz 

Tolochenaz · Since 2015

Sogetri SA, succursale de Tolochenaz operates waste sorting and recycling centres and provides waste management and material recovery services. The branch accepts a range of waste types and is part of the Helvetia Environnement group, offering integrated solutions for waste handling and valorisation.

Waste Management Industry
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Sogetri SA, succursale d'Avry Logo

Sogetri SA, succursale d'Avry 

Avry-Centre Fr · Since 2017

Sogetri SA, succursale d'Avry provides waste collection, sorting, treatment and recovery services and operates sorting centres and recovery streams for material, energy and inert/soil reuse.

Waste Management Industry
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Sogetri SA, succursale Léman Bio Energie Logo

Sogetri SA, succursale Léman Bio Energie 

Tolochenaz · Since 2019

Sogetri SA, succursale Léman Bio Energie provides waste sorting, recycling and material recovery services for a range of waste types. The company operates sorting centres and offers waste management and valorisation solutions for commercial and institutional clients.

Waste Management Industry
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Sogetri SA, succursale d'Orbe Logo

Sogetri SA, succursale d'Orbe 

Orbe · Since 2017

Sogetri SA, succursale d'Orbe is a sorting and recycling centre that accepts, sorts and processes various types of waste and implements material and energy recovery routes. It provides waste management solutions for businesses, contractors and public actors, and the website indicates certifications including ISO 9001, ISO 14001, ISO 45001 and B Corp.

Waste Management Industry
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Söhner Smart Solutions Logo

Söhner Smart Solutions 

Gerlikon · Since 2023

The core activity of Söhner Smart Solutions is the planning, integration and programming of building automation systems, particularly in the areas of energy efficiency and intelligent energy management. The company specializes in optimizing the self-consumption of self-produced electricity from photovoltaic systems and reducing basic power consumption through automatic control of consumers.

Sustainability Sector
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Solaik GmbH Logo

Solaik GmbH 

Bubendorf · Since 2009

The core activity of Solaik GmbH is the planning, installation, maintenance and repair of photovoltaic systems, as well as consulting and expert report creation in the field of solar energy.

Solar & Photovoltaics
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Solar21 AG Logo

Solar21 AG 

Zurich · Since 2003

Solar21 AG is an energy services provider that offers institutional property owners comprehensive management of photovoltaic systems, including analysis, planning, administration and monitoring. Its services include power purchase agreements (PPAs) with fixed-price purchase of locally produced solar power, tenant electricity products under the Strom21 offering, and optimisation measures including storage and e-mobility integration.

Solar & Photovoltaics
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Solarbuur Pfeiffer Logo

Solarbuur Pfeiffer 

Steg Im Tösstal · Since 2012

The core activity of Solarbuur is the installation and distribution of solar systems.

Solar & Photovoltaics
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Solarchain AG Logo

Solarchain AG 

Adliswil · Since 2017

The core activity of Solarchain AG is the generation and distribution of electricity from renewable energy, particularly solar energy, as well as consulting, analysis, project management, monitoring, maintenance and billing of solar systems for private customers, companies, real estate companies, architects and builders.

Solar & Photovoltaics
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SOLAR ECOLOGY GmbH Logo

SOLAR ECOLOGY GmbH 

Muttenz · Since 2022

The core activity of Solarecology GmbH is the planning, installation, and maintenance of sustainable energy solutions, particularly: * Photovoltaic systems for generating electricity from solar energy * Building automation for controlling lighting, heating, air conditioning, and security * Electrical installations, including sockets, switches, lighting systems, fuse boxes, and distributors * Heat pumps and power storage systems for efficient energy use * Wind power plants for generating environmentally friendly electricity The company also offers services such as energy consulting, management, and optimization to support customers in reducing their energy costs and expanding their energy efficiency.

Solar & Photovoltaics
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Solarhelden GmbH Logo

Solarhelden GmbH 

Heimberg · Since 2023

The core activity of Solarhelden GmbH is the planning, installation and maintenance of solar systems (photovoltaic systems) and electrical installations, including consulting and sales of energy storage systems and charging infrastructure for electromobility.

Solar & Photovoltaics
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SOLAR PROJECT Sàrl Logo

SOLAR PROJECT Sàrl 

Fribourg · Since 2008

Solar & Photovoltaics
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SolarZiel AG Logo

SolarZiel AG 

Bischofszell · Since 2023

The core activity of SolarZiel AG is the development, manufacture and distribution of products and systems for the photovoltaic and energy industry, in particular solar modules, energy storage systems and energy management systems.

Solar & Photovoltaics
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Solexis SA Logo

Solexis SA 

Sierre · Since 2010

Solexis SA specializes in the planning, implementation and distribution of photovoltaic systems and thermal systems. They offer a wide range of services, including the design and project management of large installations, the selection and delivery of high-quality products, as well as individual consulting and technical support for their partner installers.

Solar & Photovoltaics
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Helia24 AG Logo

Helia24 AG 

Ilanz · Since 2017

The core activity of Solpic AG is the planning, design and installation of energy projects, particularly in the field of renewable energies, such as photovoltaics, e-mobility and energy management. The company offers individual solutions for the energy needs of private individuals and companies, with a focus on sustainability, energy efficiency and quality.

Solar & Photovoltaics
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soluna energy gmbh Logo

soluna energy gmbh 

Bern · Since 2022

The core activity of soluna energy gmbh is the planning, installation and maintenance of photovoltaic systems, as well as the provision of services in the field of electrical engineering, including electrical inspections, inspections and electromagnetic field measurements. The company also offers solutions for the connection of solar power for self-consumption and the installation of battery storage systems and emergency power systems.

Solar & Photovoltaics
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Sonnergie AG Logo

Sonnergie AG 

Brütten · Since 2023

The core activity of Sonnergie AG is the planning, installation and servicing of photovoltaic systems, in particular in-roof systems, on-roof systems and flat roof systems, to generate sustainable energy and support customers in the implementation of solar projects.

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.
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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.