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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

Hazem Autoverwertung GmbH Logo

Hazem Autoverwertung GmbH 

Heldswil · Since 2008

The core activity of Hazem Autoverwertung GmbH is the recycling of vehicles, including the disposal, dismantling and utilization of car parts, as well as the purchase, sale and transportation of vehicles and spare parts.

Waste Management Industry
View profile4.5(4)
H. Botteron Transports SA Logo

H. Botteron Transports SA 

Savagnier · Since 2007

The core activities of Botteron include: 1. Transport: The company provides transportation services, including the provision of vehicles and equipment for the transportation of goods. 2. Recycling: Botteron operates a recycling facility, where materials such as metals, plastics, and other recyclable materials are processed. 3. Demolition: The company offers demolition services, including the destruction and removal of buildings and other structures. 4. Container Rental: Botteron rents containers and skips for the disposal of waste and other materials. 5. Material Recovery: The company offers the reuse of materials, including the processing and sale of recycled materials. Overall, the company focuses on providing services in the areas of waste management, recycling, and transportation.

Waste Management Industry
View profile3.8(4)
HÖCKER Polytechnik AG Logo

HÖCKER Polytechnik AG 

Rothenburg · Since 2009

The company develops and manufactures innovative solutions and products for air purification and environmental technology, particularly indoor air sensors, filter systems and energy management systems, with the goal of supporting customers in sustainable business processes for the recovery of valuable materials and resource conservation.

Sustainability Sector
View profile4.8(4)
Hs. Mühle GmbH Logo

Hs. Mühle GmbH 

Riet (Neftenbach) · Since 1997

The core activity of Hs. Mühle Recycling AG includes the collection, processing and disposal of valuable and waste materials, including: Transport and processing of waste and valuable materials from industry, commerce, municipal collection points and private individuals; Recycling of over 30,000 tons of valuable and waste materials per year; Dismantling and demolition of plants and buildings; Clearance and disposal of heavy loads and emergency situations; Operation of an ECO-CENTER as a collection point for private individuals. The company also offers CO2-balanced transports and supports climate protection projects.

Waste Management Industry
View profile4.8(4)
Hs. Mühle Recycling AG Logo

Hs. Mühle Recycling AG 

Riet (Neftenbach) · Since 2001

Hs. Mühle Recycling AG is a recycling and waste-management company that sorts, processes and recovers recyclable materials and waste. Services include transport and containers, an ECO-CENTER for private customers, dismantling and clearance work, and municipal and industrial waste collection and processing.

Waste Management Industry
View profile4.8(4)
Hufschmid Grüngutverwertung GmbH Logo

Hufschmid Grüngutverwertung GmbH 

Nesselnbach · Since 2001

The company's core activity is the processing of green waste, particularly the composting of organic waste, to produce high-quality products such as compost, garden soil, lawn soil, flower and vegetable soil, bark mulch, fir wood chips and organic animal bedding.

Waste Management Industry
View profile5(4)
Hunziker Landschaftsmanagement Logo

Hunziker Landschaftsmanagement 

Jona · Since 2022

Hunziker Landschaftsmanagement provides specialist support for permitting processes of construction and energy projects, producing site justifications, feasibility analyses and regulatory-compliant documentation for authorities. Its services are aimed at grid operators, power producers and private building clients.

Technical Consulting & EngineeringSustainability Sector
View profile5(4)
Hyko AG Logo

Hyko AG 

Plaffeien · Since 1980

The core activity of Hyko AG includes consulting, planning and execution of projects in the areas of heating, plumbing, water supply and solar, as well as repair services in these areas.

Solar & Photovoltaics
View profile3.8(4)
Indufer AG Logo

Indufer AG 

Schlieren · Since 1972

The core activity of Indufer AG is to provide innovative solutions for water supply, wastewater disposal and energy supply, particularly in the field of supply technology. This includes, among other things, ensuring a reliable and secure water supply, providing solutions for wastewater systems and efficient cooling solutions, as well as the secure and high-performance supply of gas, H2, oil and fuel.

Water Supply
View profile4.5(4)
InfoTools GmbH Logo

InfoTools GmbH 

Walperswil · Since 2007

The company's core activity is consulting and supporting the renovation and construction of residential buildings, particularly in the areas of energy efficiency and sustainable living, including the installation of photovoltaic systems.

Solar & Photovoltaics
View profile5(4)
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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.