Energy & Environment

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9'016 companies found

AEW Energie AG

Aarau · Since 1916

The company's core activity is the provision of services in the field of energy supply and distribution, including: network construction, operation and maintenance, metering services, public lighting and area lighting, battery storage solutions (BESS), electromobility and charging stations, telecommunications, heat and cold projects, and energy supply and sales. The company also offers various services for business customers, such as electricity procurement, network usage and natural electricity certificates.

Energy SuppliersSolar & Photovoltaics

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A.F. SolarPro GmbH

Schenkon · Since 2022

The core activity of A.F.SolarPro GmbH is the planning, installation and maintenance of photovoltaic systems, as well as providing solar energy solutions for households and companies. The company offers high-quality solar products, energy consulting, financing solutions and comprehensive customer service to support customers in switching to renewable energy sources.

Solar & Photovoltaics

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A. Gisiger GmbH

Unterägeri · Since 2001

The core activity of A. Gisiger GmbH is the planning, installation and maintenance of sanitary facilities, heating systems, household appliances, solar systems and metal ceilings, as well as the operation of a sanitary shop. The company also offers emergency and service services in these areas.

Solar & Photovoltaics

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Agricon GmbH

Muri Ag · Since 2000

The company is primarily active in the certification and control of agricultural businesses and products, particularly in the areas of organic farming, animal welfare and water protection. It offers certification programs such as ÖLN (Ecological Performance Record), IP-Suisse programs and QM-Swiss Meat, and supports farmers in complying with environmental and animal welfare standards.

Sustainability Sector

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AIO-Solar AG

Ruswil · Since 2024

AIO-Solar AG provides consulting, sales, project management, installation, commissioning and maintenance of photovoltaic, solar and battery systems. The company assesses load profiles, designs system solutions, assists with permit applications and funding, and delivers storage, optimization and service work.

Solar & Photovoltaics

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AIO-Solar Contracting GmbH

Ruswil · Since 2015

AIO-Solar Contracting GmbH provides consultancy, sales, project management, installation, commissioning and maintenance of photovoltaic systems and solar battery storage solutions. Its services include energy optimization, load-profile analysis, financing support and ongoing service contracts.

Solar & Photovoltaics

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Aktiengesellschaft elektro AGZ

Altdorf Ur · Since 1998

The core activity of AG Elektro AGZ is the planning and execution of electrical installations, including: electrical planning, electrical installations, building automation, PV systems, E-Mobility, electrical storage, switchgear combinations, and communication systems. Additionally, the company offers a repair service for electrical installations.

Solar & Photovoltaics

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Ardüser Saas GmbH

Saas Im Prättigau · Since 2012

The core activity of Ardüser Saas GmbH is the installation and maintenance of heating, sanitary, solar and comfort ventilation systems. The company offers services in these areas and positions itself as a local partner for customers in the region.

Plumbing & Building ServicesSolar & Photovoltaics

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ARI GROUP SAGL

Li Curt · Since 2001

The core activity of ARI Group Sagl includes the planning, installation and maintenance of electrical systems, including: electrical distributors, photovoltaic systems, kitchen equipment, purchase and sale of computers, monitors, printers and accessories, assistance and support for electrical appliances and computers, automation and switchboards. The company also offers services in the fields of electrical safety, lighting technology and satellite systems.

Electrical Planning & InstallationSolar & Photovoltaics

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AVOLTAVI SARL

Bulle · Since 2012

The core activity of Avoltavi is the planning, installation and management of renewable energy systems, particularly photovoltaic systems, storage batteries, charging stations for electric vehicles and heat pumps, with the aim of supporting customers in the energy transition and improving their energy efficiency.

Electrical Planning & InstallationSolar & 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.