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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

Forces Motrices de l'Avançon SA Logo

Forces Motrices de l'Avançon SA 

Bex

Forces Motrices de l'Avançon SA is an electricity company that produces renewable energy and operates local distribution, including generation at the Sublin plant; since 2024 it has delegated operational and commercial activities to Romande Energie.

Energy Suppliers
View profile3.2(10)
Franz Twerenbold AG Logo

Franz Twerenbold AG 

Baar · Since 1990

The core activity of Franz Twerenbold AG is the disposal and recycling of materials such as paper, cardboard, scrap metal and metal. The company offers services to private households and industry/commerce, including the separation, sorting and processing of recyclable materials for reuse.

Waste Management Industry
View profile5(10)
Frey Electric AG Logo

Frey Electric AG 

Triengen · Since 1990

The core activity of Frey electric AG is the planning, installation and maintenance of electrical systems, including lighting design, photovoltaics and electromobility. The company also offers a 24/7 emergency service and is involved in the planning and installation of electrical systems for various fields of application.

Solar & Photovoltaics
View profile5(10)
Fricompost Freiburgische Grünentsorgungsgesellschaft AG Logo

Fricompost Freiburgische Grünentsorgungsgesellschaft AG 

Posieux · Since 1996

Fricompost Freiburgische Grünentsorgungsgesellschaft AG processes non‑fermentable green waste into compost and provides disposal services as well as fertilizer, soil and wood products for gardening and agriculture. Fermentable green waste is sent to the biogas plants of Axpo Biomasse AG for production of natural fertilizer and renewable energy.

Waste Management Industry
View profile4.7(10)
GOWatt sàrl Logo

GOWatt sàrl 

Vuiteboeuf · Since 2023

The core activity of Gowatt is the planning, installation and maintenance of solar systems for private, commercial and agricultural customers. This also includes energy analyses, consulting and the implementation of CECB (Contrôle des Émissions de CO2 des Bâtiments) analyses to optimize the energy efficiency of buildings.

Solar & Photovoltaics
View profile5(10)
Hardwasser AG Logo

Hardwasser AG 

Pratteln · Since 1956

The company's core activity is the extraction, treatment and distribution of drinking water. The company operates a water treatment plant that extracts raw water from the Rhine and groundwater sources, treats it and supplies it to the population as drinking water. The treatment process includes various steps such as pre-treatment, rapid filtration, activated carbon filtration and UV disinfection. The company places great emphasis on water quality and carries out regular checks and laboratory tests to ensure the safety and quality of the drinking water.

Water Supply
View profile4.6(10)
Heizteam Savaris AG Logo

Heizteam Savaris AG 

Brugg Ag · Since 1996

The Heizteam AG company primarily deals with the installation, maintenance and repair of heating systems, including environmentally friendly and cost-effective solutions such as wood heating systems, gas heating systems and heat pumps. They also offer consulting services for planning and implementing individual projects in the field of building technology.

Solar & Photovoltaics
View profile4.1(10)
InfraWerkeMünsingen (IWM) Logo

InfraWerkeMünsingen (IWM) 

Münsingen · Since 2002

The core activity of InfraWerkeMünsingen is to supply customers with energy, water, and heat. Specifically, this includes the provision of: electricity supply, water supply (drinking, utility, and firefighting water), heat supply, services in the field of energy and water supply, electromobility, and GIS (Geographic Information Systems) for power generation. In addition, the company operates distribution networks for energy and water and offers further services such as public lighting.

Energy Suppliers
View profile4.5(10)
Insatech AG Logo

Insatech AG 

Bachenbülach · Since 2015

The core activity of InsaTech AG is the rehabilitation of defective pipes within buildings, particularly using the so-called pipe-in-pipe method, where a new pipe is created inside the old pipe using a polymer plastic mass. This also includes services such as 3D pipe plans, TV inspection and pressure testing of drainage pipes.

Waste Management Industry
View profile4.1(10)
Intrex GmbH Logo

Intrex GmbH 

Otelfingen · Since 2018

The core activity of Intrex is the recycling and disposal of various materials and waste, including PET beverage bottles, glass, bicycles, used clothing, textiles, shoes, Styrofoam, steel, sheet metal, bulky waste, special waste, solar modules, used tires and plastic bottles. The company also provides transportation and logistics services, including skip and disposal services, as well as the operation of a recycling park in Otelfingen.

Waste Management Industry
View profile5(10)
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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.