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9'017 companies found

Oeko-Service Schweiz AG

Möhlin · Since 1955

The core activity of SDK Swiss is the disposal and recycling of waste and recyclable materials, as well as consulting and education in the field of sustainable waste management. The company offers disposal solutions for private households and businesses and operates an academy for training and further education in the field of waste management.

Waste Management Industry

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ProWatt Sàrl

Bulle · Since 2023

The core activity of ProWatt Sàrl is the planning, implementation and maintenance of installations for renewable energies, in particular: solar energy installations (photovoltaics), battery storage systems, charging stations for electric vehicles, and maintenance and repair of solar energy installations and other renewable energy installations. The company also offers consulting and planning services for the implementation of energy projects and supports customers in selecting and implementing suitable energy efficiency solutions.

Solar & Photovoltaics

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Romande Energie SA

Morges · Since 1904

Romande Energie SA is a multi‑service energy provider that supplies electricity and operates renewable electricity and heat production. The company manages electrical networks and offers services such as solar generation and producer support, electric vehicle charging solutions, district heating, energy efficiency advice, and connection and billing services for households, businesses and municipalities.

Energy Suppliers

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Saudan Immo AG

Solothurn · Since 2007

The core activity of Saudan AG includes the planning, installation, maintenance and repair of: Sanitary and heating systems (including heat pumps, solar heating, pellet, wood chip, gas and oil heating systems); Metalwork (including custom bending, cladding, roof edges, frames, gutters, downspouts and complex folded roofs); Flat roof and green roof solutions. The company also offers comprehensive services in these areas, including consulting, planning, installation and maintenance.

RoofingSheet Metal WorkSolar & Photovoltaics

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Schäppi & Meier AG

Bassersdorf · Since 1994

The core activity of Schäppi & Meier AG is the planning, organization and coordination of bathroom renovations, heating systems and sanitary technology, including the installation and maintenance of heating and sanitary systems. The company offers comprehensive services in building technology, from planning to execution and service, and specializes in modern bathroom architecture and sanitary and heating technology.

Solar & Photovoltaics

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Solar Manager AG

Muri Ag · Since 2020

The core activity of Solar Manager is the development and distribution of software and hardware solutions for optimizing the self-consumption of solar energy in single-family and multi-family homes. This includes, in particular, the visualization and optimization of energy consumption, the control of solar systems, the integration of heat pumps and e-mobility solutions, as well as the provision of gateways and other hardware components.

Solar & Photovoltaics

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Solstis Energy AG

Solothurn · Since 2023

The core activity of Solstis Energy AG is the planning, installation and maintenance of holistic solar solutions for private and business customers, including consulting and sales of solar systems and energy storage systems, with the goal of contributing to the energy transition and sustainable energy supply in Switzerland.

Solar & Photovoltaics

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VALORSA S.A.

Penthaz · Since 1996

The core activity of Valorsa is the collection, transportation, sorting, recycling and disposal of household waste for 95 municipalities in the western part of the canton of Vaud in Switzerland.

Waste Management Industry

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Altola AG

Olten · Since 1975

The core activity of Altola is the disposal and recycling of special waste, including electrical and electronic waste, as well as the provision of secondary fuels and raw materials. This also includes services such as logistics, collection and recycling of special waste in the garage industry, the mineral oil and machine industries, as well as the treatment of industrial wastewater.

Waste Management Industry

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CaliSolar.ch GmbH

Sachseln · Since 2015

The company CaliSolar.ch GmbH develops and distributes solar systems, inverters, lithium batteries and accessories for motorhomes, particularly for the VW California and the Mercedes Marco Polo. It also offers specialized workshop services for autonomous systems and electrical components for motorhomes.

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.