Energy & Environment

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9'016 companies found

Zünd Elektro AG

Dübendorf · Since 1990

The core activity of Zünd Elektro AG is the provision of electrical services, including: electrical installations, planning and consulting, electromobility, solar systems and photovoltaics, building automation, IT and communication solutions, and maintenance and servicing of electrical systems. The company thus offers a comprehensive range of electrical engineering services for private and business customers.

Electrical Planning & InstallationSolar & Photovoltaics

View profile4.9(15)

ALKA Solarsysteme GmbH

Kriessern · Since 2003

ALKA Solarsysteme GmbH provides planning, sales and installation services for solar thermal systems and photovoltaic installations, and supplies related products such as solar collectors and complete PV solutions.

Solar & Photovoltaics

View profile4.6(14)

Baur AG

Säriswil · Since 2016

The core activity of Baur Dach is the execution of roofing and facade work, including roofing, sheet metal work and the installation of solar systems.

RoofingSheet Metal WorkSolar & Photovoltaics

View profile4.7(14)

Börlin Haustechnik AG

Hölstein · Since 2002

Börlin Haustechnik AG is a building services company that designs, installs and maintains sanitary systems, heating systems, thermal solar installations and bathroom renovations. The company also provides repair and maintenance services, water softening systems and planning support for new-build and conversion projects.

Solar & Photovoltaics

View profile4.9(14)

Burkhardt Heizungen & Sanitär GmbH

Tägerwilen · Since 2005

Burkhardt Heizungen & Sanitär GmbH is a building services company that designs, supplies and installs heating and sanitary systems, including heat pumps, solar/PV systems, gas and oil boiler replacement, bathroom renovations, and 24-hour repair and maintenance services.

Solar & Photovoltaics

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Bütler Holzbau AG

Fällanden · Since 1993

The core activity of Bütler Holzbau AG is timber construction in all its facets, including new construction, renovation, element and system construction, interior finishing, stairs, skylights and dormer windows, terrace decking, small and ancillary buildings, as well as the installation of PV systems and facades. The company combines modern technology with traditional carpentry craftsmanship, offering a comprehensive range of services in the field of timber construction.

Building MaintenanceInterior ConstructionTimber Construction & Carpentry

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Cerutti Toitures SA

Les Acacias · Since 1992

The core activity of Cerutti Toitures is the planning, execution and maintenance of roofing work, including traditional roofing, photovoltaic systems, roof waterproofing, metalworking, roof trusses and renovations. The company also offers services such as energy efficiency analysis, project development, heritage protection and regular maintenance.

Building MaintenanceTimber Construction & CarpentryRoofing

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Chiesa Alteisen AG

Pratteln · Since 1986

Waste Management Industry

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D. Vonarburg GmbH, Elektrounternehmung

Gelterkinden · Since 1999

The core activity of D. Vonarburg GmbH is the provision of electrical engineering services, including planning, implementation and maintenance for households, homes, offices and other customers. This includes in particular: electrical installations and repairs, lighting connections and installations, hot water systems and repairs, internet and network installations and repairs, and rental of electrical appliances for households, homes and offices. The company also offers consulting and problem-solving services in these areas.

Solar & Photovoltaics

View profile4.7(14)

Easy-Sun Sàrl

Echallens · Since 2022

The core activity of Easy-Sun Sàrl is to advise and support private individuals and companies in the implementation of projects in the field of renewable energy, particularly in the installation of photovoltaic systems, the transition to electric mobility and the optimization of heating systems. The company offers specific studies, designs and support in the realization of projects to enable efficient and cost-effective energy supply.

Solar & Photovoltaics

View profile4.6(14)

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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.