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9'016 companies found

Würsch Söhne AG

Emmetten · Since 1976

The core activity of Würsch Söhne AG is the provision of services in the field of building envelopes, particularly in the areas of: Roofing (pitched roof, flat roof), Facades, Solar systems / Photovoltaics, Sheet metal work / Lightning protection, Renovations / Monument preservation, Under-roof / Insulations, Repair / Maintenance, Consulting / Estimating, Crane work / Lift platforms, and Bird protection. The company offers comprehensive services for new construction, maintenance, and renovation areas, combining traditional expertise with modern trends, materials, and technologies.

Solar & Photovoltaics

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Zett Haustechnik AG

Oberschan · Since 2015

The core activity of Zett Haustechnik AG is the installation, maintenance and repair of heating and plumbing systems, including the planning and implementation of projects in the field of building technology, such as the conversion of oil boilers to geothermal heat pumps. The company also offers services in the field of solar systems and sanitary services.

Solar & Photovoltaics

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Ziltener-Heizungen GmbH

Staufen · Since 2019

Ziltener-Heizungen GmbH provides consultation, installation and maintenance of heating systems, heat pumps and solar/photovoltaic systems. Services include boiler descaling and replacement, solar-panel cleaning and maintenance contracts, as well as heating renewals and system servicing.

Plumbing & Building ServicesSolar & Photovoltaics

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Stratton ENERGIES Sàrl

Neuchâtel · Since 2025

The core activity of Stratton Energies is the planning, installation and maintenance of renewable energy systems, in particular: * Photovoltaic systems (installation, panel cleaning) * Solar systems (solar carports) * Heat pumps (heat pumps) * Thermodynamic boilers * Air conditioning systems (air conditioning) * Energy efficiency solutions (CECB/CECB+) The company also provides consulting and support for applying for subsidies for energy efficiency measures in various cantons of Switzerland.

Solar & Photovoltaics

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Aaki GmbH

Diegten · Since 2016

The core activity of Aaki GmbH encompasses three main areas: 1. **Pipe and Shaft Cleaning**: Cleaning of pipes and shafts to ensure efficient and functioning infrastructure. 2. **CCTV Inspection**: Examination of channels and pipes using TV technology to inspect their condition and potential damage. 3. **Customer Masonry and Civil Engineering**: Provision of masonry and civil engineering services for private customers, public authorities, and architectural offices, including construction management and civil engineering services.

Waste Management Industry

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Abegglen & Co. Transporte

Brienz Be · Since 2015

Abegglen & Co. Transporte is a family-run company providing transport, waste disposal and recycling services as well as excavation and construction transport. The company operates an Entsorgungs- und RecyclingZentrum (ERZ Lauimatte) with a sorting facility, vehicle weighbridge and container services, and offers mobile material processing equipment for recycling.

Waste Management Industry

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Abegglen Transporte & Tiefbau GmbH

Brienz Be · Since 2023

The core activity of Abegglen & Co. Transporte is the execution of waste disposal and recycling works, including waste collection, material processing and transportation services.

Waste Management Industry

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AC/DC Solar + Elektro GmbH

Neudorf · Since 2016

The core activity of AC/DC Solar + Elektro GmbH is the planning, consulting and realization of solar systems and electrical installations, in particular photovoltaic systems, for private and commercial customers.

Solar & Photovoltaics

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AceFlex Swiss AG

Dübendorf · Since 2022

The company's core activity is providing holistic energy solutions for businesses, particularly in the field of sustainable energy supply, including photovoltaics, eMobility and energy management systems. The company offers tailored solutions to support businesses in achieving their sustainability goals and reducing energy costs.

Solar & Photovoltaics

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ADEV Energiegenossenschaft

Liestal · Since 1985

Energy Suppliers

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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.