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9'016 companies found

URBAN Solar AG

St. Urban · Since 2007

The company's core activity is the planning, installation and maintenance of solar systems, including photovoltaic systems, battery solutions and E-Manager systems, with the aim of providing customers with high-quality and efficient solar solutions that contribute to a sustainable energy supply.

Solar & Photovoltaics

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Urbio SA

Sion · Since 2020

The core activity of Urbio is the development and provision of software solutions for urban energy planning, particularly for the decarbonization of buildings through better planning, optimization, data management and energy systems.

Sustainability Sector

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V2 Sanitär & Heizung GmbH

Rümlang · Since 2022

V2 Sanitär & Heizung GmbH provides plumbing and heating services, including installation, repairs, maintenance and a 24/7 emergency service. Services also cover drinking water and wastewater installations and advice on sustainable heating solutions such as heat pumps and solar thermal systems.

Waste Management Industry

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Vassella Energie GmbH

Poschiavo · Since 2014

The core activity of Vassella Energie is the planning, implementation and maintenance of projects in the field of renewable energies, particularly in the combination of different energy sources and the optimization of energy efficiency. This includes conducting feasibility studies, project planning, installation and commissioning of plants such as photovoltaic systems and thermal solar systems, as well as the development and implementation of solutions for irrigation and drinking water supply in developing countries.

Solar & Photovoltaics

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Verein DRINK & DONATE

Zurich · Since 2010

The core activity of the company "DRINK & DONATE" is to generate donations for drinking water projects in countries with precarious water situations by encouraging companies and gastronomy businesses to switch from branded beverages to tap water and donate a certain amount per employee. The company thereby supports the implementation of drinking water solutions in the global South and promotes sustainable development.

Sustainability Sector

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VITO Recycling AG

Péry · Since 2021

The core activity of VITO Recycling AG is the processing and utilization of contaminated mineral construction waste, street sweepings and drilling sludges, as well as the extraction of new raw materials for the concrete and cement industry through innovative, environmentally friendly solutions.

Waste Management Industry

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Vögelin AG

Thayngen · Since 2011

Vögelin AG is a solar-technology company supplying components and system solutions for solar thermal and photovoltaic applications. Its offerings include flat-plate and vacuum-tube collectors, Drain Back systems, photovoltaic modules, inverters, storage and mounting systems, and services such as consulting, research and development, training, project management and expert assessments.

Solar & Photovoltaics

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VOLTA ENERGIE RINNOVABILI SA

Agno · Since 2023

The core activity of Volta Energie Rinnovabili SA is the planning, installation and maintenance of photovoltaic systems for private and commercial customers. The company offers comprehensive services, including assessing the suitability of roofs for the installation of solar modules, creating projects, applying for permits and certifications, as well as performing regular maintenance work to ensure the efficiency and performance of the installed systems.

Solar & Photovoltaics

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Wäger AG

Waldkirch · Since 2011

The company's core activity includes the planning, installation and maintenance of photovoltaic systems, electrical engineering, network construction and water supply. The company also provides consulting and support services to customers in these areas.

Solar & Photovoltaics

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Wanner Expert GmbH

Solothurn · Since 2011

The core activity of WANNER Expert GmbH is the implementation of emission measurements on combustion and industrial plants throughout Switzerland, in particular to verify compliance with the applicable limit values of the Air Pollution Control Ordinance (LRV).

Sustainability Sector

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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.