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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

RESTCLEAN AG Logo

RESTCLEAN AG 

Oberlunkhofen · Since 2011

RESTCLEAN AG provides professional descaling, cleaning and overhaul services for toilets and urinals. The company uses a patented cleaning process with specialised equipment and walnut-shell abrasive, and offers diagnostics, subscription packages, training and an online shop for maintenance products and spare parts.

Waste Management Industry
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Rough Climate - Martin Enderlin Logo

Rough Climate - Martin Enderlin 

Dieterswil · Since 2007

Sustainability Sector
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Simatech Suisse Romande Sàrl Logo

Simatech Suisse Romande Sàrl 

Crissier · Since 2020

Building MaintenanceWaste Management Industry
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SKY53 SAGL Logo

SKY53 SAGL 

Chiasso · Since 2023

The company SKY53 sagl is engaged in the development and application of technologies for precision agriculture, particularly through the use of drones (UAV) and ground vehicles (UGV) for the diagnosis and treatment of plants. The core activity includes providing services such as rapid treatment, diagnosis and monitoring of plant diseases, as well as the development of technologies for sustainable and efficient agriculture.

Sustainability Sector
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Steincore GmbH Logo

Steincore GmbH 

Rotkreuz · Since 2023

The core activity of Enneos (Steincore GmbH) is the distribution of photovoltaic components and the support of installers and planners of PV systems in Switzerland. The company offers a wide range of products, consulting, 3D project planning and project-related deliveries to meet the needs of its customers.

Solar & Photovoltaics
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Stiftung Umweltinformation Schweiz Logo

Stiftung Umweltinformation Schweiz 

Lucerne · Since 1995

The core activity of the Swiss Environmental Information Foundation consists of supporting, promoting and implementing activities in the field of environmental protection, in particular by providing media for public use, raising awareness for environmentally conscious thinking and action, as well as coordinating between various institutions of nature and environmental protection.

Sustainability Sector
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Sunergy Swiss GmbH Logo

Sunergy Swiss GmbH 

Zug · Since 2023

The core activity of Sunergy Swiss GmbH is the planning, installation and maintenance of photovoltaic systems (solar systems) for private households and companies in Switzerland. The company offers a comprehensive package that includes consulting, delivery, installation and maintenance of solar systems including battery storage and inverters. The goal is to support customers in sustainably reducing their electricity costs and becoming independent of rising energy prices.

Solar & Photovoltaics
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Swiss Kühl Solar Logo

Swiss Kühl Solar 

Ilanz · Since 2024

The company's core activity is the planning, installation and maintenance of solar systems, particularly photovoltaic systems, with the aim of offering sustainable and environmentally friendly energy solutions. The company focuses on the use of solar energy and provides high-quality products and services to enable efficient and long-term energy generation.

Solar & Photovoltaics
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Toco AG Logo

Toco AG 

Zug · Since 2021

The core activity of Toco is to offer an environmentally friendly currency based on carbon emissions. The company develops and manages a monetary system aimed at promoting the value of the environment and combating climate change. The 'Toco' currency is backed by one ton of avoided or removed carbon dioxide emissions from the atmosphere. The company offers its services to both individuals and businesses, aiming to create a sustainable economy that respects both human well-being and the limits of planetary resources.

Sustainability Sector
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Vast Switzerland GmbH Logo

Vast Switzerland GmbH 

Fribourg · Since 2020

The core activity of Vast Switzerland GmbH is the development and provision of software solutions focused on promoting sustainability, environmental protection, and social well-being. In particular, the company concentrates on developing artificial intelligence (AI) and data science applications to create innovative solutions for real-world challenges. An example of this is the product Dynamis, a SaaS tool that enables reliable energy assessment of building complexes, thereby reducing CO2 emissions.

Sustainability Sector
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Vogler Energietechnik Logo

Vogler Energietechnik 

Ohmstal · Since 2013

The company's core activity is the planning, installation, and maintenance of building technology systems, particularly: heating system renovations and installations (heat pumps, wood and pellet fireplaces, solar systems), sanitary facilities (bathrooms, toilet facilities, water pipes), LPG gas controls for motorhomes, mobile homes, and boats, and filtration systems for swimming pools. The company also offers services such as creating concepts for heating system renovations and installations, inspecting and maintaining existing systems, and performing repair and renovation work.

Electrical Planning & InstallationPlumbing & Building ServicesSolar & Photovoltaics
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Wasserversorgungsgenossenschaft Wünnewil und Umgebung Logo

Wasserversorgungsgenossenschaft Wünnewil und Umgebung 

Wünnewil · Since 1921

Wasserversorgungsgenossenschaft Wünnewil und Umgebung manages the local drinking water supply and arranges well‑master services and emergency standby. The municipal website lists contacts for Elswil, Flamatt and Wünnewil, notes that well‑master tasks are carried out by SINEF, and indicates that most wastewater is treated at the regional ARA Sensetal.

Water Supply
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World Resources Forum Association Logo

World Resources Forum Association 

Winterthur · Since 2022

The core activity of World Resources Forum (WRF) is to promote sustainable resource use and management. This includes the development and implementation of strategies for a resource-efficient economy, the reduction of waste and emissions, and the promotion of circular economy models. The company works with various partners from business, politics, and civil society to achieve the United Nations' sustainability goals (SDGs).

Sustainability Sector
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SS

Suhrental Solar AG 

Aarau · Since 2019

Suhrental Solar AG plans and installs photovoltaic systems for single- and multi-family homes as well as commercial buildings in the canton of Aargau. It handles subsidy applications, grid registration and system maintenance.

Solar & Photovoltaics
View profile4.7(73)
1432 LIGHTING SA Logo

1432 LIGHTING SA 

Viganello · Since 2010

The core activity of 1432 Lighting SA is investing in and building systems for the production of renewable energy, particularly through photovoltaic installations, as well as providing products and services in the field of renewable energy, including the supply of photovoltaic modules, inverters and storage systems. The company also supports the formation of energy communities and offers solutions for the direct supply of energy to businesses.

Solar & Photovoltaics
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1 First Dépollution Services SA Logo

1 First Dépollution Services SA 

Geneva · Since 2022

The core activity of 1First Dépollution Services SA is the execution of works for the removal of environmental pollutants in buildings, particularly in the field of asbestos removal (désamiantage), PCB decontamination (removal of polychlorinated biphenyls) and lead removal. The company also provides consulting services to support private individuals and companies in the remediation of contaminated buildings.

Sustainability Sector
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2030etc ag Logo

2030etc ag 

Biel/Bienne · Since 2017

The company 2030etc ag supports organizations in developing strategies, particularly in the areas of sustainability and environment, and offers professional moderation of stakeholder dialogues as well as event management for events.

Sustainability Sector
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2MORROW TECHNOLOGIES AG Logo

2MORROW TECHNOLOGIES AG 

Niederteufen · Since 2019

2MORROW TECHNOLOGIES AG develops and supplies solutions based on particle-physics research and nanotechnology for cleaning sludge, contaminated sand and soils. The company provides consultancy, project and product development and tailor-made solutions for the oil & gas, health and petrochemical sectors, and lists an investment product called AIMI.

Sustainability Sector
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2ndGreen GmbH Logo

2ndGreen GmbH 

Riet (Neftenbach) · Since 2019

The core activity of 2ndGreen is the development and distribution of products and services in the field of permaculture and Feng Shui. Specifically, the company offers consulting services in permaculture and Feng Shui, as well as the sale of specialized gardening tools, such as the 'Prong', a tool for digging and planting.

Sustainability Sector
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3E - Genossenschaft Erneuerbare Energien Eglisau Logo

3E - Genossenschaft Erneuerbare Energien Eglisau 

Eglisau · Since 2012

3E - Genossenschaft Erneuerbare Energien Eglisau implements and operates community solar installations, produces electricity with the '3E‑Lilo' photovoltaic system, and offers customers the possibility to purchase that solar power under fixed-amount or consumption-based schemes.

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.