3'202 companies found
JetPro Europe AG
Stans · Since 2008
JetPro Europe AG offers the JetPro Diesel Booster, a device for thermal and physical pre-treatment of diesel fuel intended to improve fuel efficiency and emissions performance. The website explains the system expands and preheats fuel and passes it through a reactor that enriches the fuel with metallic ions, which the company says leads to more uniform combustion, reduced soot and NOx and fuel savings of around 10–15%. The site also refers to DEKRA certification and accompanying test reports and functional evidence for the products.
JinkoSolar (Switzerland) AG
Zug · Since 2011
The core activity of JinkoSolar is the development, manufacture and distribution of solar panels and energy storage systems for use in various segments, including photovoltaics, utility storage, commercial and private energy storage.
Joch Haustechnik GmbH
Heimberg · Since 2005
The core activity of Joch Haustechnik GmbH is the planning, installation and maintenance of building technology systems, particularly in the areas of: Sanitary technology, Heating technology (heat pumps, oil heating systems, gas heating systems, wood-fired heating systems), Solar systems, Water softening and boiler descaling, and Chimney stoves. The company also operates an online shop for fittings and appliances, offering special discounts and promotions.
Josef Bösch GmbH
Weggis · Since 2004
The core activity of Josef Bösch GmbH is the planning, installation and maintenance of building technology, particularly in the field of sanitary technology.
Josef Egger individuell Heizen
Gams · Since 1993
Josef Egger individuell Heizen supplies and services heating systems; the website provides information on pellet heating (from simple stoves to automated central pellet systems) and on wall heating.
JR Energie GmbH
Jonen · Since 2023
The core activity of JR Energie is the planning, implementation and rental/sale of solar power systems. The company offers individual solutions for the installation and operation of solar systems, enabling customers to rent or buy solar power without having to make their own investment.
Jura-Energie, Jean Oppliger Sàrl
Le Cerneux-Veusil · Since 2008
The core activity of Jura-Energie is the production and promotion of renewable energies, in particular through the construction and operation of wind turbines, solar cells and solar collectors as well as wood heating systems.
KÄLIN ELEKTROTECHNIK
Einsiedeln · Since 2002
The core activity of Kälin Elektrotechnik is the provision of services in the field of electrical engineering, particularly in the following areas: installation, maintenance and repair of safety technology, including fire alarm and gas warning systems; installation and maintenance of photovoltaic systems; installation and configuration of SmartHome systems; electrical installations for new and renovation projects; and device testing and maintenance. The company offers these services to private and business customers in Switzerland, distinguished by fast and uncomplicated processing.
Kälin Solartechnik GmbH
Ermatingen · Since 2023
The core activity of Kälin Solartechnik GmbH is the planning, implementation and marketing of photovoltaic systems (PV systems) as well as services in the field of renewable energies, particularly in contracting and energy production. The company also offers products such as metal tiles, blind modules and energy dashboards, and operates a platform for visualizing the current power situation in Switzerland.
Kamber Heizungen Sanitär GmbH
Deitingen · Since 2024
The core activity of Kamber Haustechnik encompasses the planning, installation, repair and renovation of building technology systems, including: heating systems (all systems, such as oil heating, gas heating, pellet heating, etc.); sanitary technology (sanitary appliances, sanitary facilities, bathroom conversions and renovations); roofing and facade work; solar systems (hot water through solar energy); and water pipes (water supply and wastewater disposal). The company also offers consulting, planning and coordination services for complete renovations and refurbishments.
Kambium Energie GmbH
Bassersdorf · Since 2023
The core activity of Kambium Energie GmbH is the distribution and installation of photovoltaic systems, including planning, installation and consulting in the field of sustainable energy generation and savings.
KAPIMEX GmbH
Brüttisellen · Since 1998
KAPIMEX GmbH is a general contractor for energy projects. The website provides contact information and a brief description of the company's business activities.
Kasontor AG
Port · Since 2013
Kasontor AG is a system supplier for comprehensive solutions in the field of renewable energies, particularly for wood-fired heating systems and solar thermal energy. The company's core activities include planning, execution, monitoring, commissioning and maintenance of heating systems, including log wood, wood chip and pellet heating systems as well as solar thermal systems.
Kathrin & Ueli Roth AG
Ins · Since 2015
The core activity of Kathrin & Ueli Roth AG is energy consulting and planning, particularly in the field of photovoltaics and energy management, as well as the installation and rental of solar systems.
Keiser & Heini AG
Hünenberg · Since 2008
Keiser & Heini AG provides consulting, planning, installation and service for heating systems, solar thermal installations and heat pumps. The company installs solar thermal systems, integrates solar support for heating systems and is an official competence partner of Heliotherm heat pumps.
KREATIV Solar SCHWEIZ GmbH
Wollerau · Since 2013
KREATIV Solar SCHWEIZ GmbH advises entrepreneurs, family offices, investors and manufacturers on preparing, evaluating and structuring market entry and expansion in energy production. Services include market analysis, investment and partnership structuring, assessment of manufacturers and business models, and support with governance and capital allocation.
Klimatec GmbH
Basel · Since 2006
The core activity of Klimatec GmbH is the sale and distribution of climate technology products and systems, particularly air conditioning units, heat pumps, solar systems and related accessories. The company also offers services such as consulting, installation and repair of heating and cooling systems.
Konzept E AG
Olten · Since 2023
Koutec S.àr.l.
Rocourt · Since 1994
Koutec S.àr.l. provides design, installation and maintenance of photovoltaic systems, together with energy-management solutions, battery storage, EV charging stations and administrative handling of permits and subsidies for residential and commercial clients.
Krannich Solar AG
Spreitenbach · Since 2013
The core activity of Krannich Solar International is the distribution of solar products and solutions on a global scale, with an extensive network of websites and shops in various countries and regions, including Africa, Asia, Europe, Latin America and North America.
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Source: Federal Statistical Office, UID register