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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

Kanal Expert GmbH Logo

Kanal Expert GmbH 

Allschwil · Since 2022

The core activity of Kanal Expert GmbH is the execution of sewer and pipe cleaning, inspection and renovation. This also includes emergency and maintenance services for pipes and sewers.

Waste Management Industry
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Kanalservice Surselva AG Logo

Kanalservice Surselva AG 

Schluein · Since 2020

The core activity of Kanalservice Surselva AG is the provision of services in the field of canal services, particularly: * Canal cleaning * Canal television (inspection of canals using cameras) * Canal renovation (renovation and maintenance of canals) * Tightness testing (testing the tightness of canals) * Surface cleaning (cleaning of surfaces, especially in the Surselva region) The company offers these services as a regional partner for the Surselva region and has a locally knowledgeable and professionally trained team.

Waste Management Industry
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Kanal Top AG Logo

Kanal Top AG 

Zuzwil Sg · Since 2022

The core activity of Kanal Top AG is sewer cleaning and maintenance, including: cleaning and drainage of pipes, ducts and shafts; suction and flushing work in apartments, houses and industrial plants; street and square cleaning; emptying of shafts, slot systems and separators; sewer TV inspections; milling work for root growth and lime deposits; disposal of wastewater and sludge at regional reception facilities. The company also offers consulting and emergency services and has specialized vehicles for the various tasks.

Waste Management Industry
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Kantensprung Stiftung Logo

Kantensprung Stiftung 

Basel · Since 2014

The core activity of the Kantensprung Foundation is to promote and support ideas and projects that focus on the preservation, redevelopment and expansion of public spaces, as well as environmentally and socially sustainable urban development, particularly in the area of innovative living and working forms.

Sustainability Sector
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KAPIMEX GmbH Logo

KAPIMEX GmbH 

Brüttisellen · Since 1998

KAPIMEX GmbH is a general contractor for energy projects. The website provides contact information and a brief description of the company's business activities.

Construction & Project ManagementSolar & Photovoltaics
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KariCello AG Logo

KariCello AG 

Zernez · Since 2014

The core activity of KariCello GmbH is the acceptance, sorting and disposal of demolition materials such as asphalt, concrete and mixed demolition waste, as well as the distribution of road construction materials such as gravel and crushed stone 0/45.

Waste Management Industry
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Karl Näf Stiftung Logo

Karl Näf Stiftung 

Glarus · Since 1982

The core activity of the Karl Näf Foundation consists of promoting three main areas: 1. **Sustainable Energy Generation**: The foundation supports the development of environmentally friendly energy generation methods, particularly geothermal energy generation in Switzerland. 2. **Plant Breeding**: The foundation promotes the recognition of outstanding breeding achievements in the field of advanced vegetable cultivation and supports the development of plant breeding that serves the Swiss general public. 3. **Culture**: The foundation supports cultural purposes, particularly the preservation of art objects, historical and archaeological cultural assets in Eastern Switzerland, as well as the support of a local museum in Goldach.

NGOs & NPOsMuseumsSustainability Sector
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Karl Zünd Stiftung Logo

Karl Zünd Stiftung 

Altstätten Sg · Since 2015

Karl Zünd Stiftung supports projects in social, cultural and environmental fields, focusing on initiatives that deliver sustainable benefits beyond the funding period. The foundation funds initiatives in Nepal, India, ASEAN countries, selected African countries south of the equator and projects in the St. Gallen Rhine Valley, applying selection criteria such as local anchoring, professional competence, networking and ecological investment standards.

NGOs & NPOsSustainability Sector
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Kaskad-E GmbH Logo

Kaskad-E GmbH 

Basel · Since 2011

The core activity of Kaskad-E GmbH is the sustainable use of energy and material flows through the development and implementation of solutions in the areas of energy systems, pyrolysis technology and biomass management. This includes in particular: the planning and consulting of energy systems, including the optimization of energy and material flows; the development and manufacture of small-scale pyrolysis plants for the production of biochar; the utilization of biomass, especially green waste, through energetic and material optimization; the development of solutions for the use of waste heat and residual materials; and collaboration with other companies and institutions in the implementation of projects.

Technical Consulting & EngineeringSustainability Sector
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Kasontor AG Logo

Kasontor AG 

Port · Since 2013

Kasontor AG is a system supplier for comprehensive solutions in the field of renewable energies, particularly for wood-fired heating systems and solar thermal energy. The company's core activities include planning, execution, monitoring, commissioning and maintenance of heating systems, including log wood, wood chip and pellet heating systems as well as solar thermal systems.

Energy SuppliersSolar & 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.