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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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9'016 companies found

Genossenschaft Elektrizitätsversorgung Saas-Grund Logo

Genossenschaft Elektrizitätsversorgung Saas-Grund 

Saas-Grund · Since 1976

The company's core activity is electricity supply, particularly the sale and delivery of electricity to municipalities and customers.

Energy Suppliers
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Genossenschaft Elektrizitätswerk Embrach Logo

Genossenschaft Elektrizitätswerk Embrach 

Embrach · Since 1906

Energy Suppliers
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Genossenschaft Elektrizitätswerk Räterschen EWR Logo

Genossenschaft Elektrizitätswerk Räterschen EWR 

Elsau · Since 1907

The company's core activity is to supply customers with electricity at attractive prices. The company purchases the electricity as a wholesaler from another plant and delivers it to customers in the Räterschen district.

Energy Suppliers
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Genossenschaft Energie Willisau Logo

Genossenschaft Energie Willisau 

Willisau · Since 2016

Genossenschaft Energie Willisau operates photovoltaic installations and produces solar electricity used for on‑site consumption, with surplus exported to the grid. It promotes energy saving and storage solutions and provides information, production data and educational resources about photovoltaics.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft Energie Trub Logo

Genossenschaft Energie Trub 

Trub · Since 1915

The core activity of the Genossenschaft Energie Trub company encompasses two main areas: 1. Energy supply: The cooperative was the independent energy supplier for the municipality of Trub until 2006 and continues to be active in the energy sector, particularly in the field of renewable energies, such as photovoltaic systems. 2. Residential properties: The cooperative develops and rents out residential properties, especially age-appropriate housing, such as the Mühlicheer multi-family house.

Energy Suppliers
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Genossenschaft Energie Rigi Logo

Genossenschaft Energie Rigi 

Rigi Kaltbad · Since 2021

The core activity of Energie Rigi Genossenschaft is the promotion and implementation of projects in the field of renewable energy on the Rigi, with the aim of reducing fossil fuels and supporting sustainable development.

Sustainability Sector
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Genossenschaft Erlebnis- und Familienferien in der Unesco Biosphäre Region Entlebuch Logo

Genossenschaft Erlebnis- und Familienferien in der Unesco Biosphäre Region Entlebuch 

Sörenberg · Since 2009

The company's core activity is the promotion and protection of nature and landscape in the UNESCO Biosphere Entlebuch, with a focus on research, education, sustainability and tourism.

Sustainability Sector
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Genossenschaft eRiS Energie Rigi Süd Logo

Genossenschaft eRiS Energie Rigi Süd 

Vitznau · Since 2012

Genossenschaft eRiS Energie Rigi Süd produces renewable energy and supplies it preferentially and at reduced rates to its members. The non-profit cooperative, politically and denominationally neutral, operates photovoltaic systems (24 kWp at the primary school in Vitznau, 45 kWp at the Dörfli secondary school in Weggis) and markets any surplus.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft EW Münchwilen (EWM) Logo

Genossenschaft EW Münchwilen (EWM) 

Münchwilen Tg · Since 1905

The core activity of EW Münchwilen is the supply and networking of customers with electricity, water and communication. The company owns and operates the necessary facilities for the distribution of these services and offers additional services such as energy consulting, moving notifications and meter reading notifications.

Energy Suppliers
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Genossenschaft EW Romanshorn Logo

Genossenschaft EW Romanshorn 

Romanshorn · Since 2003

The core activity of EWR is the supply of electricity and water to private individuals, properties and municipalities. This includes the provision of electricity products, electricity tariffs, photovoltaic solutions, regional water, water tariffs, water quality control and supply. In addition, the company offers services such as fibre-optic and dark fibre connections, maintenance of transformer stations, public lighting and ARA fees.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft GENOSOL MARTELLA Logo

Genossenschaft GENOSOL MARTELLA 

Marthalen · Since 1992

The company's core activity is the promotion and operation of environmentally friendly energy systems, in particular the production and sale of renewable energy, such as photovoltaic power and biogas power, as well as the promotion of heat generation through collector systems.

Energy Suppliers
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Genossenschaft kulmsolar Logo

Genossenschaft kulmsolar 

Unterkulm · Since 2015

Genossenschaft kulmsolar promotes renewable energy collectively and installs photovoltaic systems through a cooperative self-help model; it also engages in the production and sale of renewable electricity. The cooperative operates two solar installations totaling 74 kWp, with most generated electricity supplied for use in school facilities and a portion of profits distributed to members.

Solar & Photovoltaics
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Genossenschaft Lindenbach Logo

Genossenschaft Lindenbach 

Obfelden · Since 2013

The core activity of the company Genossenschaft Lindenbach is the generation of energy through a solar power plant.

Solar & Photovoltaics
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Genossenschaft LupoSol Logo

Genossenschaft LupoSol 

Lupsingen · Since 2012

The core activity of LupoSol is the planning, financing, implementation and operation of photovoltaic systems (PV systems) on rooftops in the Basel-Landschaft region, with the aim of producing renewable energy and promoting the expansion of solar energy in the region.

Solar & Photovoltaics
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Genossenschaft OPTIMA-SOLAR Solothurn Logo

Genossenschaft OPTIMA-SOLAR Solothurn 

Solothurn · Since 2011

The core activity of OptimaSolar Switzerland is the production and distribution of solar power through regional cooperatives that realize and operate photovoltaic systems. The company supports and represents the affiliated cooperatives at a supra-regional level and promotes decentralized and sustainable power supply.

Solar & Photovoltaics
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Genossenschaft OPTIMA-SOLAR Worblental Logo

Genossenschaft OPTIMA-SOLAR Worblental 

Boll · Since 2012

The core activity of OptimaSolar Worblental is the production of solar power on rented roofs, particularly on larger properties or commercial enterprises, and the sale of this power. The company finances its investments through equity from its cooperative members and operates as an independent, regional cooperative.

Solar & Photovoltaics
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Genossenschaft Projunip Logo

Genossenschaft Projunip 

Glarus · Since 1997

The core activity of Projunip is the recycling of electronic and cardboard materials. The company operates a collection point where customers can deposit their waste, and also offers a collection service.

Waste Management Industry
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Genossenschaft Rysolar Plus Logo

Genossenschaft Rysolar Plus 

Winterthur · Since 2012

The core activity of RySolar Plus is the promotion of environmentally friendly renewable energies, in particular through the creation, acquisition and operation of solar systems at the Rychenberg cantonal school. Furthermore, the company promotes information on environmentally friendly energy production and use, without pursuing commercial purposes or seeking profit.

Solar & Photovoltaics
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Genossenschaft Säulistrom Logo

Genossenschaft Säulistrom 

Hausen Am Albis · Since 2011

The core activity of the company Genossenschaft Säulistrom is the planning, construction and operation of solar power plants for the generation of solar power. The company develops and implements solar projects, operates existing facilities and sells the generated electricity. The cooperative is committed to sustainable and climate-friendly energy production and works with partners such as the WWF to achieve this goal.

Solar & Photovoltaics
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Genossenschaft Solarenergie Lengnau Logo

Genossenschaft Solarenergie Lengnau 

Lengnau Ag · Since 2012

The company's core activity is the production of solar energy through the operation of a solar power plant on an industrial site building in the municipality of Lengnau, AG.

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.