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9'016 companies found

Energate23 Sàrl

Court · Since 2023

The core activity of Energate23 is the installation of photovoltaic panels (solar systems) on roofs and other surfaces throughout Switzerland. The company also offers additional services such as creating customized offers, technical support, applying for subsidies, and optimizing the profitability of solar systems.

Solar & Photovoltaics

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Energiebüro AG

Zurich · Since 2004

The company energiebüro is a service provider in the field of renewable energies and energy efficiency. The core activities include the planning, implementation and operation of solar and hydroelectric power plants, as well as the analysis and optimization of building systems and energy efficiency. The company also offers consulting and engineering services for the development of energy concepts and the implementation of energy efficiency measures.

Energy SuppliersSolar & Photovoltaics

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Energie Gossau AG

Gossau Zh · Since 2010

The core activity of Energie Gossau AG is the safe supply of customers with electrical energy, particularly through the operation and maintenance of the power grid, remote control systems, street lighting and cable distribution cabinets in the Gossau Dorf district. In addition, the company offers various energy products that come exclusively from renewable sources, such as solar power and biomass power.

Energy Suppliers

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Energie Netzwerk GmbH

Bachenbülach · Since 2014

The core activity of Energie Netzwerk GmbH is the planning, operation and quality assurance of photovoltaic systems. The company offers comprehensive services, including consulting, technical planning, solar architecture, visualization, remote monitoring, service and repair, fault detection, cleaning and maintenance of photovoltaic systems.

Solar & Photovoltaics

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Energie Oberegg AG

Oberegg · Since 2015

Energie Oberegg AG operates and develops a district heating network. The company supplies the network with renewable energy sources (pellets, wood chips, solar), captures usable industrial waste heat and provides information on connections and energy prices for customers.

Energy Suppliers

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Energietechnik Jäggi GmbH

Boningen · Since 2023

Energietechnik Jäggi GmbH provides consulting, design, installation and maintenance services for electrical and IT installations, energy generation systems, cooling and heating systems, electric vehicle charging stations, energy assessments and smart-home solutions.

Electrical Planning & InstallationSolar & Photovoltaics

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Energie- und Wasserversorgung Oberburg

Oberburg · Since 2003

The core activity of EWO is the supply of energy and water, particularly the provision of electricity and water to the municipality of Oberburg. This also includes the planning, implementation and maintenance of the corresponding infrastructure, as well as the billing and distribution of electricity and water.

Energy Suppliers

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Energiewende Jurasüdfuss GmbH

Langendorf · Since 2021

The core activity of the company 'Energiewende Jurasüdfuss GmbH' is the planning, consulting and support for the construction of photovoltaic systems for self-construction, with the aim of promoting the energy transition and fostering renewable energy sources.

Solar & Photovoltaics

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EnergiQ SA

Bramois · Since 2024

The core activity of EnergiQ SA is the installation of renewable energy solutions, particularly photovoltaic systems, and the optimization of energy efficiency in Switzerland. This includes the planning, installation and maintenance of solar systems, the implementation of energy audits and the implementation of measures to increase energy efficiency. The company also offers services such as applying for subsidies, monitoring and maintaining systems, and conducting quality controls.

Solar & Photovoltaics

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Energy Control ECEK GmbH

Gampel · Since 2023

Energy Control ECEK GmbH is an independent inspection company focused on electrical installations and energy systems. It carries out periodic, acceptance and final inspections, certifies photovoltaic installations and performs device testing according to SN EN 50699 and SN EN 50678. The company also provides training courses and practical training for electrical project leaders on topics such as photovoltaics, e‑mobility and NIN updates.

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.