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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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9'016 companies found

Leon Recyclage Sàrl Logo

Leon Recyclage Sàrl 

Avenches · Since 2021

The core activity of Leon Recyclage Sàrl is the recycling of materials.

Waste Management Industry
View profile5(2)
LIBREC AG Logo

LIBREC AG 

Biberist · Since 2021

The core activity of Librec AG is the recycling of batteries and the recovery of valuable materials that can be directly reused in the production of new batteries. The company offers a service where it takes in problematic batteries, recycles them, and returns the recovered valuable materials to customers in the shortest possible time, allowing them to be reused in battery production.

Waste Management Industry
View profile4(2)
Liney Photovoltaik GmbH Logo

Liney Photovoltaik GmbH 

Goldach · Since 2024

The core activity of Liney GmbH is the planning, installation and maintenance of photovoltaic systems, as well as providing solutions in the field of renewable energies, particularly in photovoltaic technology. The company also offers charging stations and supports customers in their transition to renewable energies.

Solar & Photovoltaics
View profile5(2)
Local Energy SA Logo

Local Energy SA 

Lausanne · Since 2020

The core activity of Local Energy is the promotion and implementation of renewable energies, particularly in the areas of photovoltaics, electromobility and thermal energy. The company provides solutions for sustainable and efficient energy supply and advises customers on the implementation of solar and other renewable energy systems.

Technical Consulting & EngineeringSolar & Photovoltaics
View profile5(2)
Luz Solar GmbH Logo

Luz Solar GmbH 

Lucerne · Since 2023

The core activity of Luz Solar GmbH is the planning, implementation and commissioning of solar systems, including feasibility studies, planning, procurement, design, installation and commissioning of turnkey systems. The company offers customized solutions for the implementation of projects with modern technology and high-quality materials and places emphasis on realizing the wishes and dreams of its customers.

Solar & Photovoltaics
View profile5(2)
Macullo Solar Sàrl Logo

Macullo Solar Sàrl 

Les Acacias · Since 2021

The core activity of Macullo Solar consists of planning, installing and maintaining solar systems, including photovoltaic and solar thermal systems, as well as carrying out roofing work, including the construction, maintenance and repair of roofs, including related work such as insulation and sealing.

Solar & Photovoltaics
View profile5(2)
Maddalena & Associati Sagl Logo

Maddalena & Associati Sagl 

Gordevio · Since 1999

The core activity of Maddalena & associati sagl is the provision of environmental consulting and expert services, particularly in the fields of faunistics and ecology. The activities include: faunistic surveys and inventories, environmental consulting and expertise, design and management of territories and ecosystems, application of research results in practice, education and awareness-raising in the field of environment and ecology, studies and publications on environmentally relevant topics. The company also offers specialized services such as bioacoustics, reticoli ecologici (ecological networks) and GIS applications.

Sustainability Sector
View profile3.5(2)
Magenta Eko SA Logo

Magenta Eko SA 

Crissier · Since 2023

Magenta Eko SA is a cross-disciplinary competence centre for sustainable construction providing consultancy from design through to delivery. Services include sustainability assessments (carbon, thermal and water balances), a physical and digital materials library (matériauthèque) for comparing low‑impact building materials, plus training programmes and events.

Sustainability Sector
View profile3(2)
Magenta Eko Participation SA Logo

Magenta Eko Participation SA 

Crissier · Since 2023

Magenta Eko Participation SA is an interdisciplinary competence centre for sustainable construction that advises owners and occupiers on improving the economic, energy and environmental performance of buildings. Its services include sustainability assessments (carbon, thermal and water accounting), a materials library, training and events, and project support from design through to delivery.

Sustainability Sector
View profile3(2)
Markus Aregger Bedachungen und Spenglerei Logo

Markus Aregger Bedachungen und Spenglerei 

Olten · Since 2011

The core activity of Markus Aregger Bedachungen und Spenglerei encompasses the planning, consulting and execution of work in the area of roofs and facades, including: Roofing (pitched roofs, flat roofs, roofing membranes), sheet metal work (downspouts, roof edge finishes, chimney cladding, dormer windows), facade cladding, photovoltaic systems, and lightning protection systems. The company offers its services for both renovations and new constructions, promising tailored solutions for its customers.

Solar & Photovoltaics
View profile5(2)
Maroni-Rilav SA Logo

Maroni-Rilav SA 

Mendrisio · Since 1963

The core activity of Maroni-Rilav SA consists of planning, installing and maintaining: sanitary and heating systems, heat pumps, solar systems and alternative energy solutions. Additionally, the company also offers engineering services and emergency services.

Solar & Photovoltaics
View profile5(2)
Max Stutz AG Logo

Max Stutz AG 

Liestal · Since 2015

Waste Management Industry
View profile5(2)
Michael Weber Logo

Michael Weber 

Schüpfen · Since 2007

The company Michael Weber primarily deals with the installation, maintenance, and repair of sanitary facilities and sheet metal work. This includes, among other things: * Sanitary work such as new constructions, repair services, boiler descaling, bathroom renovations, and pipeline installations * Sheet metal work such as new constructions, renovations, repairs, lightning protection systems, and special sheet metal processing * Heating systems such as heat pumps, oil boiler replacement, and underfloor heating * Installation and repair of household appliances such as washing machines, dryers, dishwashers, refrigerators, and freezers * Solar systems and rainwater harvesting The company thus offers a wide range of services in the field of sanitary facilities and sheet metal work and is a full-service provider for all types of installations, maintenance, and repairs in this area.

Solar & Photovoltaics
View profile5(2)
MIC MAC Promotion Sagl Logo

MIC MAC Promotion Sagl 

Giubiasco · Since 1996

The core activity of MicMac Promotion is the development, production and distribution of promotional items and gifts, with a particular focus on ecological and sustainable products. The company offers a wide range of articles, including office supplies, technology accessories, food and beverage accessories, leisure items, clothing and special, customer-specific productions. A particular emphasis is placed on the use of environmentally friendly materials such as recycled materials, wood, bamboo, jute and organic cotton.

Sustainability Sector
View profile4.5(2)
Minergie Logo

Minergie 

Basel · Since 2018

The company's core activity is the certification and promotion of energy-efficient buildings, particularly within the framework of the Swiss building standard Minergie. The company offers services such as certification, consulting and training to support builders, architects and specialists in the planning and implementation of energy-efficient buildings. It also develops and distributes modules and systems for energy-efficient construction, such as windows, doors and comfort ventilation systems.

Sustainability Sector
View profile4(2)
MUGA Solutions GmbH Logo

MUGA Solutions GmbH 

Riedholz · Since 2012

The core activity of MUGA Industrial Recycling GmbH encompasses a wide range of services on complex large-scale construction sites, particularly: * Waste management: provision of containers and skips, collection of waste, transportation and triage of valuable materials, as well as compliant and value-optimized treatment through recycling or disposal. * Cleaning * Maintenance work * Occupational safety * Installations * Dismantling Thus, the company offers comprehensive services for the management of construction sites and waste disposal.

Waste Management Industry
View profile5(2)
Naturstrassenunterhalt und Schlosserei Konrad Kamm Logo

Naturstrassenunterhalt und Schlosserei Konrad Kamm 

Bilten · Since 1998

The core activity of Koni Naturstrassenunterhalt is ecological natural road maintenance, particularly in the care and maintenance of natural roads, as well as in tree stump milling and the provision of related services.

Sustainability Sector
View profile4.5(2)
Natur und Gut, Sonja Wolter Logo

Natur und Gut, Sonja Wolter 

Horgen · Since 2020

The core activity of the company "Natur und Gut" is the production and distribution of sustainable and ecological products, particularly candles made from natural waxes such as beeswax, rapeseed wax, and olive wax, as well as recycled candles. In addition, the company also offers organic bee products, organic and natural cosmetics, candle accessories, and incense.

Sustainability Sector
View profile5(2)
Neology Hydrogen SA Logo

Neology Hydrogen SA 

Lutry · Since 2023

Neology Hydrogen SA develops modular ammonia-cracking systems and the Ammonia Power Generator (APG) that catalytically convert ammonia into hydrogen for zero-emission electricity generation. The technology is designed for scalable applications from small sites to industrial power and for replacing diesel generators.

Solar & Photovoltaics
View profile5(2)
New Valfish SA Logo

New Valfish SA 

Bouveret · Since 2007

The core activity of New Valfish is the production and sale of organic trout (salmon trout).

Sustainability Sector
View profile5(2)
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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.