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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

urbz Sàrl Logo

urbz Sàrl 

Geneva · Since 2020

The core activity of urbz is the implementation of projects, workshops, exhibitions, publications and lectures in the field of participatory urbanism, design and governance. The company operates globally, with a focus on Mumbai, Geneva, Bogotá and Paris, and deals with topics such as urban development, community gardens, ecological regeneration and sustainable development.

Sustainability Sector
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Urimat Schweiz AG Logo

Urimat Schweiz AG 

Hombrechtikon · Since 1998

The company is active in the sanitary industry and develops, produces and distributes sustainable sanitary solutions that minimize water consumption and protect the environment.

Sustainability SectorGeneral Goods Production
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Urs Theiler Muldenservice AG Logo

Urs Theiler Muldenservice AG 

Wilen B. Wollerau · Since 2019

The core activity of Urs Theiler Muldenservice is the rental of skips in various sizes (1-12 cubic meters capacity) and the disposal of waste, scrap metal, special waste, bulky waste, household waste, wood and construction rubble for private individuals, trade and industry.

Waste Management Industry
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Usine Electrique Jean Estier SA Logo

Usine Electrique Jean Estier SA 

Versoix · Since 1959

Usine Electrique Jean Estier SA operates a small hydroelectric plant that produces electricity from river water. The website provides hydrology data (water levels and flow estimates), a photo gallery and information about the plant and contact details.

Energy Suppliers
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usol GmbH Logo

usol GmbH 

Lohn-Ammannsegg · Since 2015

The core activity of USOL is the planning, installation and maintenance of solar systems, including consulting and support for the implementation of solar energy projects for private households and companies. This also includes the selection and implementation of solar storage systems, optimization of energy efficiency and consulting on financing options and government funding programs.

Solar & Photovoltaics
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UT 99 AG Logo

UT 99 AG 

Andelfingen · Since 1984

The core activity of UT99 is the development, production and distribution of oil mist separators and filter technologies for various applications, particularly for combustion engines, lubricating oil tank ventilation, gas and steam turbines. UT99's products and solutions aim to reduce emissions of oil mist and pollutants, and to improve the efficiency and reliability of engines and plants.

Sustainability SectorMechanical Engineering Industry
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Utas AG Logo

Utas AG 

Giswil · Since 1989

The core activity of UTAS AG is the planning, consulting and implementation of projects in the fields of landscape, nature and settlement, particularly in the areas of nature conservation, amphibian protection, forestry and agriculture, construction projects and the environment. Specifically, this includes activities such as: planning and implementation of amphibian migration corridors, wildlife crossings, pond constructions and stream renaturalizations; design and implementation of excavation landfills; surveys, inventories and species conservation projects; site analysis in forests; environmental impact assessments (EIA) and environmental construction supervision (ECS); expert opinions and consulting in the aforementioned areas.

Sustainability Sector
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U-TECH ZAUGG Logo

U-TECH ZAUGG 

Heimberg · Since 2004

The core activity of U-Tech Zaugg is consulting, investigation and remediation of environmentally hazardous problems, particularly in the areas of contaminated sites, special waste, landfills and water protection. The company also offers specialized services such as building checks, fieldwork and commissioning of plants. In addition, U-Tech Zaugg provides courses and further training in the areas of Hazardous Materials and Environmental Protection.

Waste Management Industry
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Valbenne SA Logo

Valbenne SA 

Giubiasco · Since 1998

Valbenne SA specializes in the safe and responsible disposal of medical waste. The company's core activity involves developing and providing solutions for the safe disposal of medical waste, including the manufacture and sale of specialized containers for the collection of formalin and other medical waste.

Waste Management Industry
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Valchisa SA Logo

Valchisa SA 

Riazzino · Since 1991

Valchisa SA provides sewer and pipeline services, transport and environmental waste management. Services include CCTV pipeline inspection, high-pressure cleaning and rehabilitation, multibin/container transport (5–30 m³), transport of hazardous goods and special waste, collection of waste oils and batteries, and operation of a sludge treatment plant with environmental conformity certification.

Waste Management Industry
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Val-de-Tri SA Logo

Val-de-Tri SA 

Travers · Since 2013

Val-de-Tri SA is a waste collection and recycling facility that collects, sorts and arranges valorisation of a range of household and commercial waste streams. The site operates separate communal access (with Molok card) and a business area, and accepts items such as metals, electronic equipment, wood, glass, cardboard, oils and household hazardous wastes.

Waste Management Industry
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Val Energie SA Logo

Val Energie SA 

Fleurier · Since 2011

The core activity of Val Energie SA is the provision of services in the field of sanitary, heating and renewable energy technology.

Solar & Photovoltaics
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ValEole SA Logo

ValEole SA 

Martigny · Since 2010

The company's core activity consists of planning, developing and operating wind farms (Éoliens) in Switzerland, particularly in the canton of Valais. The company focuses on the construction and operation of wind turbines to produce renewable energy.

Energy Suppliers
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Valgrid SA Logo

Valgrid SA 

Sion · Since 2005

The core activity of Valgrid SA is the transmission of electrical energy on the supraregional high-voltage grid in the canton of Valais. The company is the owner of the 65-kV grid and has the task of improving the efficiency of the grid, simplifying its operation and controlling costs in order to guarantee the security of the power supply in the canton.

Energy Suppliers
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Valibiotics AG Logo

Valibiotics AG 

Emmen · Since 2018

The core activity of Valibiotics is the development, production and marketing of microbial and mineral products for regenerative agriculture, particularly for crop production and animal husbandry. These products aim to promote soil health, plant development and animal welfare while reducing dependence on chemically synthetic operating resources.

Sustainability Sector
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Valisun AG Logo

Valisun AG 

Ruswil · Since 2012

Valisun AG leases rooftop area and implements photovoltaic projects for third parties, providing project planning, financing, installation, ongoing maintenance and electricity marketing services.

Solar & Photovoltaics
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valo-solutions sa Logo

valo-solutions sa 

Fribourg · Since 2024

The core activity of Valo Solutions is to optimize waste management for companies by providing customized solutions for the collection, processing and recycling of waste. This includes developing strategies to reduce waste, promoting recycling and reuse, as well as providing services such as waste analysis, logistics and marketing of recycled materials. The goal is to support companies in reducing their environmental impact and improving their ecological sustainability.

Waste Management Industry
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Varitra AG Logo

Varitra AG 

Zug · Since 1987

The core activity of Varitra AG is investing in various areas, particularly in megatrends such as: Renewable Energy (Green Energy), Commodities and Minerals (Commodities/Private Equity), and Real Estate. The company also offers services in the areas of Insurance Services and Financial Services. It is an independent Swiss private company with a long tradition and a strong moral, ethical and ecological commitment.

Sustainability Sector
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VarMaLat GmbH Logo

VarMaLat GmbH 

Varen · Since 2012

Sustainability Sector
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VED Visp Energie Dienste AG Logo

VED Visp Energie Dienste AG 

Visp · Since 2003

The core activity of VED Visp Energie Dienste AG is the supply of customers with electrical energy. The company delivers electricity to around 9,000 customers in various municipalities in the Visp region.

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.