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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

ecosinergie tienergy SA Logo

ecosinergie tienergy SA 

Ponte Tresa · Since 2014

The core activity of ecosinergie tienergy SA is the planning, installation and maintenance of renewable energy systems, in particular: photovoltaic systems (PV systems) for private and commercial customers; electromobility solutions, including charging stations for electric vehicles; energy storage systems and solutions; and smart home systems for optimizing energy consumption. The company also provides services such as consulting, planning, installation, maintenance and repair of PV systems and electromobility solutions.

Solar & Photovoltaics
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EKT AG Logo

EKT AG 

Arbon · Since 1912

EKT AG operates electricity distribution networks and provides engineering, construction and operational services for network planning and grid management. The company also develops and operates renewable energy installations and energy contracting solutions for buildings, and offers digital services such as a fibre-optic network and a datacenter.

Energy Suppliers
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Elektrizitätsversorgung Kaltbrunn AG Logo

Elektrizitätsversorgung Kaltbrunn AG 

Kaltbrunn · Since 1947

The core activity of Elektrizitätsversorgung Kaltbrunn AG (EVK AG) encompasses the reliable supply of private customers, commercial enterprises, administrations, schools, agriculture and medium-sized industry with electricity and natural gas. This also includes electrical and communication installations, property management, the operation of an electrical specialist store, as well as the rental of aerial lifts.

Energy Suppliers
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Elektrizitätswerk Obergoms AG Logo

Elektrizitätswerk Obergoms AG 

Münster Vs · Since 1950

The company is an electricity supplier specializing in the production, distribution and supply of electrical energy. The core activities include the generation of electricity from various sources, such as hydroelectric power plants, the supply of electricity to households and businesses, as well as the maintenance and operation of the power grid. In addition, the company also offers services such as energy consulting, meter reading and replacement, as well as the installation of electric charging stations for electric vehicles.

Energy Suppliers
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Elektro Hodel AG Egolzwil Logo

Elektro Hodel AG Egolzwil 

Egolzwil · Since 2010

The core activity of Elektro-Hodel AG is the provision of electrical services, particularly in the areas of electrical installations, network installations, service and repairs, solar power systems, and e-mobility solutions. The company thus offers a wide range of electrical services for private and business customers.

Solar & Photovoltaics
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Elektro Rollier-Schaedeli AG Logo

Elektro Rollier-Schaedeli AG 

Ortschwaben · Since 1987

The core activity of Elektro Rollier Schaedeli AG is the provision of services and products in the field of electrical engineering, particularly in the following areas: electrical installations (from simple sockets to complex building automation), LED lighting (including the sale of LED products and operation of an LED showroom), household appliances (including the sale of exclusive models and online catalog), repairs and service for electrical appliances, telematics, IT and TV, electrobiology, central vacuum cleaners, and photovoltaics. The company also offers apprenticeships for electricians and electrical fitters.

Solar & Photovoltaics
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Elektro Wild + Barmettler AG Logo

Elektro Wild + Barmettler AG 

Oberdorf Nw · Since 1986

The company provides electrical installation services, including planning and design of electrical systems, as well as innovative solutions for building automation, encompassing optimal control of building technology, high energy efficiency and comfort.

Solar & Photovoltaics
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Emme Haustechnik GmbH Logo

Emme Haustechnik GmbH 

Lützelflüh-Goldbach · Since 2001

The core activity of Emme Haustechnik GmbH is the planning, installation and maintenance of sanitary, ventilation and heating technology, including solar systems, as well as the execution of repairs and conversions in these areas.

Solar & Photovoltaics
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Energetika SA Logo

Energetika SA 

Cresciano · Since 2012

The core activity of Energetika SA is the planning, installation and maintenance of photovoltaic systems, energy storage systems and charging infrastructure for electric vehicles. The company also offers services in the field of electrical certification and documentation.

Solar & Photovoltaics
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Energiewerker GmbH Logo

Energiewerker GmbH 

Zurich · Since 2023

The core activity of Energiewerker GmbH is the planning and construction of turnkey energy systems, which include energy generation through photovoltaics, intermediate storage through battery storage and hydrogen seasonal storage, as well as optimized self-consumption through energy management. The company also offers services in the areas of cybersecurity, emergency power supply and e-mobility.

Solar & Photovoltaics
View profile5(5)
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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.