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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

Egon AG Logo

Egon AG 

Zurich · Since 2009

The Egon AG company offers energy solutions and services in the field of renewable energies, particularly in the areas of photovoltaics, solar thermal energy, heat solutions and electromobility. The core activities include the development and implementation of energy monitoring systems, the management and billing of virtual ZEV systems (association for self-consumption) as well as the provision of training and webinars for installers and administrations.

Solar & PhotovoltaicsWeb Portals & Platform Companies
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EKJ Kanalreinigung AG Logo

EKJ Kanalreinigung AG 

Jona · Since 2019

The core activity of EKJ Kanalreinigung AG is the cleaning, maintenance, inspection and repair of drainage systems, including sewer cleaning, sewer television and wastewater disposal. The company also offers services such as new construction acceptance, condition assessment, maintenance cleaning and emergency services.

Waste Management Industry
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Electropro S.A. Logo

Electropro S.A. 

Neuchâtel · Since 1996

The core activity of ElectroPro SA is the provision of services in the field of electrical installation, including: new building installations, industrial and renovation installations, electrical assembly and installation, photovoltaic systems, safety systems (e.g. lightning protection), domotics and home automation, as well as repair and maintenance services (24/7). The company also offers training and education programs for electrical professionals and is a member of various industry associations.

Electrical Planning & InstallationSolar & Photovoltaics
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ELEKTRA ENERGIE Genossenschaft Logo

ELEKTRA ENERGIE Genossenschaft 

Linden · Since 1918

The company's core activity is the supply of customers with electricity, particularly from ecological energy sources, as well as the provision of services related to electricity connections, photovoltaic systems, heat and biomethane. The company also offers consulting and support for construction projects and house installation checks.

Energy Suppliers
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Elektra-Genossenschaft Gipf-Oberfrick Logo

Elektra-Genossenschaft Gipf-Oberfrick 

Gipf-Oberfrick · Since 1908

The core activity of Elektra-Genossenschaft Gipf-Oberfrick (EGO) is the supply of electricity. The company is responsible for providing customers with electrical energy.

Energy Suppliers
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Elektra-Genossenschaft Sommeri Logo

Elektra-Genossenschaft Sommeri 

Sommeri · Since 1911

The core activity of the company is the public administration and service for the municipality of Sommeri, including the supply of water and electricity, waste management, building administration, resident services, civil registry office, tax office, social services and other municipal tasks.

Energy Suppliers
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Elektra Horn AG Logo

Elektra Horn AG 

Horn · Since 2013

The core activity of Elektra Horn AG is the supply of electricity, including planning, construction and maintenance of the network, as well as electricity delivery, particularly for the municipality of Horn.

Energy Suppliers
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Elektra Mümliswil-Ramiswil Genossenschaft Logo

Elektra Mümliswil-Ramiswil Genossenschaft 

Mümliswil · Since 1907

The core activity of Elektra Mümliswil-Ramiswil is to supply the municipality of Mümliswil-Ramiswil with electricity and multimedia services, including the maintenance and upkeep of the electricity and multimedia distribution network.

Energy Suppliers
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Elektrizitätsgenossenschaft Gossau ZH Logo

Elektrizitätsgenossenschaft Gossau ZH 

Grüt (Gossau Zh) · Since 2009

Elektrizitätsgenossenschaft Gossau ZH operates and maintains the local electricity distribution network, including load‑control systems, street lighting and distribution cabinets, and supplies customers with electrical energy. The cooperative offers energy products drawn exclusively from renewable sources (GOSSAU NATUR BUDGET / PREMIUM / SELECTION) and provides services such as grid connections, installation checks and the smart‑meter rollout.

Energy Suppliers
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Elektrizitäts-Genossenschaft Siggenthal Logo

Elektrizitäts-Genossenschaft Siggenthal 

Nussbaumen Ag · Since 1913

The company's core activity is the generation and marketing of solar power as well as the provision of services in the energy and grid sector.

Energy Suppliers
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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.