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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

Gebrüder Brand AG, Spenglerei & Sanitäre Installationen Logo

Gebrüder Brand AG, Spenglerei & Sanitäre Installationen 

Langenthal · Since 1989

The core business of Gebrüder Brand AG encompasses the areas of sanitary technology, solar technology, building plumbing and lightning protection. The company offers services such as installation, renovation and refurbishment in these areas, particularly for private customers in the Langenthal region.

Sheet Metal WorkSolar & Photovoltaics
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Gebrüder Wenger AG Logo

Gebrüder Wenger AG 

Gasel · Since 1981

The core activity of Gebr. Wenger AG is the roofing trade, including facade construction, solar systems, scaffolding, sheet metal work, fall protection, roof windows, maintenance and repair of roofs, as well as planning and consulting in these areas.

Solar & Photovoltaics
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GEDREL SA Logo

GEDREL SA 

Lausanne · Since 1997

The core activity of Gedrel SA is the coordination of waste collection, sorting and recycling, as well as raising public awareness of the need for recycling.

Waste Management Industry
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Geltech AG Logo

Geltech AG 

Hochdorf · Since 1993

The core activity of Geltech AG is electrical planning, including consulting, design, tendering, execution planning, technical construction management, acceptance and cost control.

Solar & Photovoltaics
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Gemeindebetriebe Roggwil (GBR) Logo

Gemeindebetriebe Roggwil (GBR) 

Roggwil Be · Since 2017

The core activity of the company 'Gemeindebetriebe Roggwil' (GBR) includes the supply of electricity, water and communication services, including the operation of a fibre optic network. The company also offers services such as handling relocations, reporting meter readings and providing energy and water supply. Furthermore, the company operates a small hydroelectric power plant for energy production.

Energy Suppliers
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Gemeindebetriebe Muri bei Bern (gbm) Logo

Gemeindebetriebe Muri bei Bern (gbm) 

Gümligen · Since 2014

The company's core activity encompasses the provision of services and products in the areas of energy and heat, water, wastewater, and telecommunications. Specifically, the company offers: energy and heat solutions, including district heating, natural gas, and renewable energies; drinking water and wastewater services, including the maintenance and operation of water and wastewater networks; and telecommunications services, including the provision of communication solutions. The company also provides consulting services to customers, particularly in the area of energy and heat solutions, and supports the planning and implementation of projects.

Energy Suppliers
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Generation 7 Solutions GmbH Logo

Generation 7 Solutions GmbH 

Wald Zh · Since 2020

The core activity of Generation 7 Solutions GmbH is to accompany and support companies and the public sector in projects that have significant impacts on nature and the environment, particularly in the areas of environmental protection, nature conservation, water protection, spatial planning and sustainable development. This includes moderation, process accompaniment, negotiation management, conflict resolution and the development of sustainable solutions that are also viable for future generations.

Sustainability Sector
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Genèveroule Logo

Genèveroule 

Plan-Les-Ouates · Since 2010

The core activity of Genèveroule encompasses the promotion of sustainable mobility and social integration through various services and activities in the field of bike rental, bike repair, bike sales, guided bike tours, and the organization of events related to cycling. Additionally, the company also offers social services such as career counseling, training, and job opportunities for people in precarious situations.

Sustainability Sector
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Genossenschaft Bühlacher Malters und Umgebung Logo

Genossenschaft Bühlacher Malters und Umgebung 

Malters · Since 1961

Genossenschaft Bühlacher Malters und Umgebung is a non-profit housing cooperative that provides and manages affordable rental housing. It operates and maintains residential properties and offers tenant services as well as technical and administrative property management.

Waste Management Industry
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Genossenschaft Dörfliwasser Logo

Genossenschaft Dörfliwasser 

Wolfenschiessen · Since 1949

Water Supply
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Genossenschaft Elektra Äusseres Wasseramt EAW Logo

Genossenschaft Elektra Äusseres Wasseramt EAW 

Etziken · Since 1908

The company's core activity is the electricity supply for the municipalities of Aeschi, Etziken, Horriwil and Hüniken, including the provision of electricity tariffs, energy consulting and management, as well as the operation and maintenance of the power grid in these areas.

Energy Suppliers
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genossenschaft elektra busslingen Logo

genossenschaft elektra busslingen 

Remetschwil · Since 1967

The core activity of the company 'Elektra Busslingen' is the supply and distribution of electricity, including the creation and maintenance of power grids, transformer stations and other infrastructure. The company also provides services such as electricity labeling, tariffs and billing, and operates a cold storage facility.

Energy Suppliers
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Genossenschaft Elektra Hatswil Logo

Genossenschaft Elektra Hatswil 

Hefenhofen · Since 1909

Genossenschaft Elektra Hatswil is an electricity supply cooperative that provides power delivery and related services for its supply area. The cooperative publishes tariff information, feed-in remuneration rates and annual accounts on its website.

Energy Suppliers
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Genossenschaft Elektra Itingen Logo

Genossenschaft Elektra Itingen 

Itingen · Since 1903

The company's core activity is the supply of electricity to customers as well as the management and maintenance of the power grid. The company also offers services such as the installation of smart meters to optimize customers' electricity consumption and contribute to climate protection.

Energy Suppliers
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Genossenschaft Elektra Koppigen-Willadingen Logo

Genossenschaft Elektra Koppigen-Willadingen 

Koppigen · Since 1904

The core activity of Elektra Koppigen-Willadingen is the supply of households with electricity, internet, TV and telecommunications services. The company offers various electricity tariffs, including eco-electricity, as well as internet and TV offers. Additionally, it provides mobile phone services through its partner Quickline.

Energy Suppliers
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Genossenschaft ELEKTRA Oberrohrdorf Logo

Genossenschaft ELEKTRA Oberrohrdorf 

Oberrohrdorf · Since 1961

The core activity of Elektra Oberrohrdorf (EOR) is the procurement, generation and distribution of electrical energy in the Oberrohrdorf supply area. To this end, the company operates and maintains a modern power grid to ensure a reliable power supply for its customers.

Energy Suppliers
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Genossenschaft ELEKTRA OEKINGEN HALTEN Logo

Genossenschaft ELEKTRA OEKINGEN HALTEN 

Oekingen · Since 1913

Genossenschaft ELEKTRA OEKINGEN HALTEN procures electrical energy, operates the distribution network and supplies electricity to customers. It serves the municipalities of Oekingen and Halten and offers membership for consumers within its service area.

Energy Suppliers
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Genossenschaft Elektra Rapperswil Logo

Genossenschaft Elektra Rapperswil 

Rapperswil Be · Since 1907

Genossenschaft Elektra Rapperswil distributes electrical energy and operates the associated distribution network. It supplies electricity to households and businesses in its service area and handles tasks such as network maintenance, meter reading and billing.

Energy Suppliers
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Genossenschaft Elektra Roggwil-Freidorf Logo

Genossenschaft Elektra Roggwil-Freidorf 

Roggwil Tg · Since 2019

The core activity of Elektra Roggwil Freidorf is the supply of households and companies with electricity as well as the maintenance and upkeep of the power grid. The company offers various electricity tariffs, advises customers on electricity problems and provides services such as the electricity calculator and electricity-saving tips.

Energy Suppliers
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Genossenschaft Elektrizitäts- und Wasserwerk Dozwil Logo

Genossenschaft Elektrizitäts- und Wasserwerk Dozwil 

Dozwil · Since 1960

The company's core activity is the supply of electricity and drinking water to the municipality of Dozwil. The company is organized as a cooperative, Elektrizitäts- und Wasserwerk Dozwil (EWD), and provides services such as electricity and water supply, meter reading, and maintenance of the corresponding infrastructure.

Energy Suppliers
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Genossenschaft Elektrizitätsversorgung Saas-Grund Logo

Genossenschaft Elektrizitätsversorgung Saas-Grund 

Saas-Grund · Since 1976

The company's core activity is electricity supply, particularly the sale and delivery of electricity to municipalities and customers.

Energy Suppliers
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Genossenschaft Elektrizitätswerk Embrach Logo

Genossenschaft Elektrizitätswerk Embrach 

Embrach · Since 1906

Energy Suppliers
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Genossenschaft Elektrizitätswerk Räterschen EWR Logo

Genossenschaft Elektrizitätswerk Räterschen EWR 

Elsau · Since 1907

The company's core activity is to supply customers with electricity at attractive prices. The company purchases the electricity as a wholesaler from another plant and delivers it to customers in the Räterschen district.

Energy Suppliers
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Genossenschaft Energie Willisau Logo

Genossenschaft Energie Willisau 

Willisau · Since 2016

Genossenschaft Energie Willisau operates photovoltaic installations and produces solar electricity used for on‑site consumption, with surplus exported to the grid. It promotes energy saving and storage solutions and provides information, production data and educational resources about photovoltaics.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft Energie Trub Logo

Genossenschaft Energie Trub 

Trub · Since 1915

The core activity of the Genossenschaft Energie Trub company encompasses two main areas: 1. Energy supply: The cooperative was the independent energy supplier for the municipality of Trub until 2006 and continues to be active in the energy sector, particularly in the field of renewable energies, such as photovoltaic systems. 2. Residential properties: The cooperative develops and rents out residential properties, especially age-appropriate housing, such as the Mühlicheer multi-family house.

Energy Suppliers
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Genossenschaft Energie Rigi Logo

Genossenschaft Energie Rigi 

Rigi Kaltbad · Since 2021

The core activity of Energie Rigi Genossenschaft is the promotion and implementation of projects in the field of renewable energy on the Rigi, with the aim of reducing fossil fuels and supporting sustainable development.

Sustainability Sector
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Genossenschaft Erlebnis- und Familienferien in der Unesco Biosphäre Region Entlebuch Logo

Genossenschaft Erlebnis- und Familienferien in der Unesco Biosphäre Region Entlebuch 

Sörenberg · Since 2009

The company's core activity is the promotion and protection of nature and landscape in the UNESCO Biosphere Entlebuch, with a focus on research, education, sustainability and tourism.

Sustainability Sector
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Genossenschaft eRiS Energie Rigi Süd Logo

Genossenschaft eRiS Energie Rigi Süd 

Vitznau · Since 2012

Genossenschaft eRiS Energie Rigi Süd produces renewable energy and supplies it preferentially and at reduced rates to its members. The non-profit cooperative, politically and denominationally neutral, operates photovoltaic systems (24 kWp at the primary school in Vitznau, 45 kWp at the Dörfli secondary school in Weggis) and markets any surplus.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft EW Münchwilen (EWM) Logo

Genossenschaft EW Münchwilen (EWM) 

Münchwilen Tg · Since 1905

The core activity of EW Münchwilen is the supply and networking of customers with electricity, water and communication. The company owns and operates the necessary facilities for the distribution of these services and offers additional services such as energy consulting, moving notifications and meter reading notifications.

Energy Suppliers
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Genossenschaft EW Romanshorn Logo

Genossenschaft EW Romanshorn 

Romanshorn · Since 2003

The core activity of EWR is the supply of electricity and water to private individuals, properties and municipalities. This includes the provision of electricity products, electricity tariffs, photovoltaic solutions, regional water, water tariffs, water quality control and supply. In addition, the company offers services such as fibre-optic and dark fibre connections, maintenance of transformer stations, public lighting and ARA fees.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft GENOSOL MARTELLA Logo

Genossenschaft GENOSOL MARTELLA 

Marthalen · Since 1992

The company's core activity is the promotion and operation of environmentally friendly energy systems, in particular the production and sale of renewable energy, such as photovoltaic power and biogas power, as well as the promotion of heat generation through collector systems.

Energy Suppliers
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Genossenschaft kulmsolar Logo

Genossenschaft kulmsolar 

Unterkulm · Since 2015

Genossenschaft kulmsolar promotes renewable energy collectively and installs photovoltaic systems through a cooperative self-help model; it also engages in the production and sale of renewable electricity. The cooperative operates two solar installations totaling 74 kWp, with most generated electricity supplied for use in school facilities and a portion of profits distributed to members.

Solar & Photovoltaics
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Genossenschaft Lindenbach Logo

Genossenschaft Lindenbach 

Obfelden · Since 2013

The core activity of the company Genossenschaft Lindenbach is the generation of energy through a solar power plant.

Solar & Photovoltaics
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Genossenschaft LupoSol Logo

Genossenschaft LupoSol 

Lupsingen · Since 2012

The core activity of LupoSol is the planning, financing, implementation and operation of photovoltaic systems (PV systems) on rooftops in the Basel-Landschaft region, with the aim of producing renewable energy and promoting the expansion of solar energy in the region.

Solar & Photovoltaics
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Genossenschaft OPTIMA-SOLAR Solothurn Logo

Genossenschaft OPTIMA-SOLAR Solothurn 

Solothurn · Since 2011

The core activity of OptimaSolar Switzerland is the production and distribution of solar power through regional cooperatives that realize and operate photovoltaic systems. The company supports and represents the affiliated cooperatives at a supra-regional level and promotes decentralized and sustainable power supply.

Solar & Photovoltaics
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Genossenschaft OPTIMA-SOLAR Worblental Logo

Genossenschaft OPTIMA-SOLAR Worblental 

Boll · Since 2012

The core activity of OptimaSolar Worblental is the production of solar power on rented roofs, particularly on larger properties or commercial enterprises, and the sale of this power. The company finances its investments through equity from its cooperative members and operates as an independent, regional cooperative.

Solar & Photovoltaics
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Genossenschaft Projunip Logo

Genossenschaft Projunip 

Glarus · Since 1997

The core activity of Projunip is the recycling of electronic and cardboard materials. The company operates a collection point where customers can deposit their waste, and also offers a collection service.

Waste Management Industry
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Genossenschaft Rysolar Plus Logo

Genossenschaft Rysolar Plus 

Winterthur · Since 2012

The core activity of RySolar Plus is the promotion of environmentally friendly renewable energies, in particular through the creation, acquisition and operation of solar systems at the Rychenberg cantonal school. Furthermore, the company promotes information on environmentally friendly energy production and use, without pursuing commercial purposes or seeking profit.

Solar & Photovoltaics
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Genossenschaft Säulistrom Logo

Genossenschaft Säulistrom 

Hausen Am Albis · Since 2011

The core activity of the company Genossenschaft Säulistrom is the planning, construction and operation of solar power plants for the generation of solar power. The company develops and implements solar projects, operates existing facilities and sells the generated electricity. The cooperative is committed to sustainable and climate-friendly energy production and works with partners such as the WWF to achieve this goal.

Solar & Photovoltaics
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Genossenschaft Solarenergie Lengnau Logo

Genossenschaft Solarenergie Lengnau 

Lengnau Ag · Since 2012

The company's core activity is the production of solar energy through the operation of a solar power plant on an industrial site building in the municipality of Lengnau, AG.

Solar & Photovoltaics
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Genossenschaft Solarkraftwerk Zollikofen Logo

Genossenschaft Solarkraftwerk Zollikofen 

Zollikofen · Since 1993

Genossenschaft Solarkraftwerk Zollikofen operates photovoltaic installations and feeds the produced solar electricity into the grid, offering it for purchase via an eco-electricity exchange. It plans, installs and maintains systems on municipal and residential roofs, including installations with battery storage, and formerly operated a small hydropower plant that has since been taken out of service.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft Solar Küttigen Logo

Genossenschaft Solar Küttigen 

Küttigen · Since 2013

Genossenschaft Solar Küttigen operates and documents photovoltaic installations and publishes monitoring data via the Solar‑Log WEB Enerest™ platform. The cooperative provides information about its PV systems and references an option to purchase solar electricity through its website.

Solar & Photovoltaics
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Genossenschaft Solardächer Muttenz Logo

Genossenschaft Solardächer Muttenz 

Muttenz · Since 2013

The core activity of the company "Genossenschaft Solardächer Muttenz" is the generation of energy through solar installations. The company finances and operates solar installations on rooftops and produces electricity, which is then made available. The cooperative enables its members to participate in energy production by purchasing share certificates, thereby promoting a sustainable and environmentally friendly source of energy.

Solar & Photovoltaics
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Genossenschaft Solarkraftwerk Wohlen Logo

Genossenschaft Solarkraftwerk Wohlen 

Innerberg · Since 1991

The core activity of Solarkraftwerk Wohlen (SOKW) is the planning, implementation and maintenance of projects in the field of renewable energies, particularly: the production of solar energy through solar systems; the implementation of heat networks and associations for self-consumption; the installation of charging stations for electric vehicles; consulting and development of energy projects, including heating replacement, energy from the roof and electromobility; and the development of eco-systems, including biogas storage. The company also offers consulting services and works with partners to provide solutions in the field of renewable energies.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft Solar St.Gallen Logo

Genossenschaft Solar St.Gallen 

St. Gallen · Since 2012

The core activity of the company 'Genossenschaft Solar St.Gallen' consists of investing in and operating solar power plants for the production of renewable energy. The cooperative enables its members to participate in the production of solar power by purchasing share certificates, thereby offering an opportunity to invest in renewable energy.

Solar & Photovoltaics
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Genossenschaft Solar Rohrdorferberg Logo

Genossenschaft Solar Rohrdorferberg 

Niederrohrdorf · Since 2013

Genossenschaft Solar Rohrdorferberg builds and operates photovoltaic systems to enable its members to produce part of their electricity CO2‑free. The cooperative implements projects on communal buildings (e.g. the Hüslerberg school) and provides members with production data and information on electricity purchase.

Solar & Photovoltaics
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Genossenschaft Solar Regio Weinfelden Logo

Genossenschaft Solar Regio Weinfelden 

Weinfelden · Since 2010

The core activity of the company 'Solar Regio Weinfelden' is the promotion and implementation of projects for the generation of renewable energy, in particular through the installation and operation of solar power systems on larger buildings such as sports halls, school buildings, industrial halls and agricultural buildings, as well as the supplementation with wind power plants.

Energy SuppliersSolar & Photovoltaics
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Genossenschaft solarRafz Logo

Genossenschaft solarRafz 

Rafz · Since 2015

Genossenschaft solarRafz operates photovoltaic systems on public buildings and sells the ecological value of its production via guarantees of origin (HKN). The cooperative manages operation and maintenance of the systems, sells solar electricity and certificates, and serves as a provider for municipal solar projects.

Solar & Photovoltaics
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Genossenschaft "SolVent" Logo

Genossenschaft "SolVent" 

Winterthur · Since 1993

The company's core activity is the promotion and implementation of renewable energies, particularly solar and wind energy, as well as the development of new technologies such as geothermal energy.

Solar & Photovoltaics
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Genossenschaft SolarZukunft Fislisbach Logo

Genossenschaft SolarZukunft Fislisbach 

Fislisbach · Since 2012

The core activity of the company 'Solarzukunft Fislisbach' is the planning, installation and operation of photovoltaic systems for the generation of renewable energy in Fislisbach and its surroundings.

Solar & 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.