Energy & Environment

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9'016 companies found

Schafer AG

Reinach Ag · Since 1985

The core activity of Schafer AG encompasses the following areas: * Sewer cleaning (suction and flushing work, sewer inspection) * Street cleaning (surface cleaning) * Crane work and excavator work * Transport (special transport) * Rental of special vehicles and equipment Thus, the company offers a wide range of services in the field of infrastructure and construction economy.

Waste Management IndustryLogistics & Transport Companies

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Schaller Olivier Sàrl

Rebeuvelier · Since 2002

Schaller Olivier Sàrl provides heating, sanitary and ventilation services including installation, bathroom renovations and heating system refurbishment. The company installs systems such as heat pumps, pellet boilers and geothermal probes, and also offers solar installations (in collaboration with Eco6therm), water treatment and rainwater recovery solutions.

Solar & Photovoltaics

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Schindler Haustechnik GmbH

Frutigen · Since 2015

The core activity of Schindler Haustechnik GmbH encompasses the installation, maintenance, and repair of sanitary facilities and heating systems, including consulting and planning of bathroom and kitchen installations, as well as the installation of heat generation systems such as log wood heating systems and chip wood heating systems.

Plumbing & Building ServicesSheet Metal WorkSolar & Photovoltaics

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Schwarzwälder AG

Winterthur · Since 1996

The core activity of Schwarzwälder AG is the planning, execution and maintenance of roof, facade and solar systems. Specifically, this includes: Roofing work (pitched roof, flat roof), Facade construction and renovation, Installation and maintenance of solar systems (photovoltaics), Energy-efficient renovation of roofs and facades. The company thus offers services in the field of building envelopes and renewable energies.

RoofingSolar & Photovoltaics

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Semadeni Impiantistica SA

Poschiavo · Since 2017

The core activity of Semadeni Impiantistica SA consists in the planning and realization of various technical plants and installations, including: hydraulic systems, heating systems, sanitary installations, ventilation systems, solar systems and renewable energies, roofing and sheet metal work. The company thus offers a wide range of services in the field of technical building equipment and installation.

RoofingSheet Metal WorkSolar & Photovoltaics

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Senn Haustech AG

Unterägeri · Since 2001

The core activity of Senn Haustech AG is consulting, planning and implementing sanitary, heating and solar systems.

Solar & Photovoltaics

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SETELEC SA

Saillon · Since 2004

The core activity of Setelec SA is to provide services in the field of electrical installations, including: * Installation of photovoltaic systems * Electrical installations in buildings * LED lighting * Electric mobility (installation of charging stations for electric vehicles) * Domotics & Multimedia (smart home and multimedia solutions) * OIBT control (testing and certification of electrical installations) * Electroménager (sale and repair of electrical appliances) * Piquet service (emergency service for electrical installations) The company thus offers a wide range of services in the field of electrical engineering and renewable energy.

Solar & Photovoltaics

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Smart Sanieren GmbH

Wisen So · Since 2020

Smart Sanieren GmbH provides independent energy consulting for homeowners, carrying out EnergieCheck assessments and GEAK Plus reports to evaluate heating systems and renovation options. Services include technical system planning, assistance with permits and funding applications, and project coordination during implementation.

Technical Consulting & EngineeringSustainability Sector

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solar4you ag

Oberdorf Bl · Since 2013

The core activity of Solar4you AG is the planning, installation and distribution of solar systems, including solar thermal solutions, rainwater systems and autonomous solar systems for independent power supply. The company offers comprehensive services in the field of renewable energy, including consulting, installation and maintenance of solar systems, as well as the delivery of plug-and-play island solar systems for self-assembly.

Solar & Photovoltaics

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Solarhirsch GmbH

Gwatt (Thun) · Since 2022

Solarhirsch GmbH supplies photovoltaic systems and components and sells solar modules, inverters, batteries, mounting systems, cables and accessories through an online shop. It provides services from system planning to installation, offers material supply for self-installation, and provides monitoring services for PV 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.