Energy & Environment

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9'016 companies found

Eiholzer AG

Baldegg · Since 1983

The company's core activity is the planning, installation, maintenance and repair of heating, ventilation, air conditioning and sanitary systems, as well as the execution of renovation and modernization work in these areas.

Solar & PhotovoltaicsFacility Management & Cleaning

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Electrio AG

Reichenbach Im Kandertal · Since 1986

The core activity of ELECTRIO AG includes the planning, installation and maintenance of electrical systems for residential and commercial properties, as well as services in the areas of solar technology, agriculture, sound technology and household appliances.

Electrical Planning & InstallationSolar & Photovoltaics

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ELECTRO SPARK SA

Neuchâtel · Since 2021

ELECTRO SPARK SA provides electrical system design, installation and maintenance services for residential and commercial clients. Its offerings include telephony and fibre connections, IT network cabling and Wi‑Fi setup, home‑automation solutions, photovoltaic solar installations, and electrical repairs, safety upgrades and switchboard replacement.

Electrical Planning & InstallationSolar & Photovoltaics

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Elektrizitätswerk Heiden AG

Heiden

Elektrizitätswerk Heiden AG is an electricity utility and electrical services company. It supplies electricity, operates and maintains distribution networks, and provides installations and services for photovoltaics, telematics, fiber-optic connectivity, testing and maintenance, as well as an online shop.

Energy Suppliers

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Elektro Bolt GmbH

Ennetaach · Since 1999

The core activity of Elektro Bolt GmbH is the planning, coordination and execution of high and low voltage installations, including lighting concepts, light, telephone and multimedia connections, as well as electrical planning for new buildings, renovations and refurbishments in the areas of private customers, industry and public companies and institutions.

Electrical Planning & InstallationSolar & Photovoltaics

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Elektro E. Peter AG

Wädenswil · Since 1986

Elektro E. Peter AG provides planning, installation, maintenance and repairs for electrical systems. Services include electrical installations, audio/video, telephone and cable-TV systems, telematics, automation/security and photovoltaic systems (installed with partner firms) for private, commercial and industrial customers.

Solar & Photovoltaics

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Elektro Feuz AG

Grindelwald · Since 1976

The core activity of Elektro Feuz AG is the planning, consulting and implementation of electrical installations, building automation, multimedia solutions and ICT services for companies and private individuals. This includes, in particular, the installation and maintenance of electrical systems, the implementation of smart home systems, the planning and implementation of video conferencing systems and digital signage solutions, as well as consulting and planning for efficient buildings.

Technical Consulting & EngineeringElectrical Planning & InstallationSolar & Photovoltaics

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Elektro Fisch AG

Gross · Since 2010

The core activity of Elektro Fisch AG is the planning, design, installation, maintenance and repair of electrical systems, devices and systems for private and industrial applications, including: electrical installations for building technology and home automation; renewable energy systems (solar systems, photovoltaic systems, combined heat and power systems); high and low voltage systems; telecommunications systems; heating systems (fossil fuel heating systems, electric heating systems, heat pumps); and household appliances (delivery, installation, maintenance). The company also provides consulting and service activities for these areas.

Solar & Photovoltaics

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Elektro H. Christen GmbH

Kaltacker · Since 2007

The core activity of Elektro H. Christen GmbH is the provision of electrical installations and services, including: high-voltage and low-voltage installations, switchgear construction, multimedia and telephone systems, satellite systems, internet and network installations, photovoltaic systems, lighting, IT cabling, and the installation and sale of household appliances. The company primarily offers these services in the Emmental region and focuses on executing orders in new buildings and renovations.

Solar & Photovoltaics

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Elektro Knöpfel AG

Herisau · Since 1989

The core activity of Elektro Knöpfel AG includes the planning and installation of electrical systems, including lighting, photovoltaics, network and internet solutions, telephony and TV systems.

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.