3'202 companies found
Sopra Solarpraxis AG
Ormalingen · Since 1954
The core activity of sopra Solarpraxis AG is the planning, installation and distribution of solar systems, in particular photovoltaic systems, as well as heating technology, including heat pumps, wood heating systems and oven construction. In addition, the company also offers absorption technology and drone technology.
Sotesy AG
Bubikon · Since 2023
Sotesy AG is a provider of environmentally friendly energy solutions, particularly in the field of renewable energies. The company's core activity includes planning, installation and maintenance of photovoltaic systems, heat pumps and radiant ceiling systems for private and commercial customers. The goal is to support customers in switching to regenerative energies and help them increase their independence from fossil fuels.
SunTechnics Fabrisolar AG
Gland · Since 2006
SunTechnics Fabrisolar AG designs, installs and maintains photovoltaic systems and turnkey solar solutions for commercial and private clients. Its services include feasibility studies, planning and engineering, construction, maintenance and cleaning, and coordination with component partners.
SunTechnics Fabrisolar AG
Effretikon · Since 1997
SunTechnics Fabrisolar AG designs and installs photovoltaic systems and provides turnkey solar system solutions. Its services include feasibility studies, engineering and planning, installation, repowering, cleaning and maintenance for private and commercial customers.
TECSA, Techniques Energétiques et Consulting SA
Conthey · Since 1998
The core activity of TECSA consists in planning, consulting and implementing technical solutions in the field of energy, particularly in the areas of heating, ventilation, air conditioning, sanitary technology and fire protection, as well as in the treatment of swimming pool water. The company offers its services to various industries, including residential buildings, restaurants and hotels, office buildings, educational institutions, sports facilities, health and wellness facilities, as well as industrial and craft businesses.
Thoma Dach Spengler Fassade Solar AG
Amden · Since 2015
The core activity of Thoma Dach Spengler Fassade Solar AG is the planning, delivery and installation of various works in the field of building envelopes, including: pitched roofs, flat roofs, facades, sheet metal work, lightning protection systems and photovoltaics (PV solar systems). The company thus offers a comprehensive range of services in the field of building envelopes.
Thomas Käser AG
Gümmenen · Since 2010
The core activity of Thomas Käser AG is the provision of electrical installations, including service, extension and maintenance work as well as new and renovation projects in the field of electrical engineering.
Urs Oberholzer Sanitär GmbH
Mosnang · Since 2010
The core activity of Urs Oberholzer Sanitär GmbH is the planning, consulting and execution of building technology services, particularly in the areas of: Sanitary work (e.g. bathrooms, boiler descaling, decalcification systems), heating systems, solar systems, plumbing work, roofing work, and maintenance and servicing of building technology systems. The company thus offers comprehensive solutions for the building technology needs of private and commercial customers.
visaVento Solar AG
Frauenfeld · Since 2023
visaVento Solar AG is a company specialised in the development, construction and operation of wind and photovoltaic power plants. Its services cover consulting, project development, procurement, installation, commissioning and operations & maintenance, and it develops wind, PV and hybrid projects with a focus on Eastern Europe (notably Poland) and broader European markets.
von arx systems ag
Egerkingen · Since 2009
The core activities of arx systems include: 1. Automation: Development and implementation of electronic controls for machines and systems. 2. Solar technology: Planning, installation and maintenance of solar power systems. 3. Automower: Sales and service of autonomous lawn mowers. These activities are the company's main business areas and are supported by the various phone numbers and contact details on the website.
W. Bissegger AG Wil
Wil Sg · Since 1984
The company provides comprehensive services in the field of heating renovation and installation, including consulting, planning and execution of work for new and renovation buildings. It specializes in the renewal of existing heating systems and the installation of climate-friendly solutions such as solar systems.
WEBER DACH AG
Zurich · Since 2003
The core activity of Weber Dach AG is the provision of services related to roofs, particularly in the areas of: roof renovation and repair, roof insulation and sealing, fall protection and installation, skylight and solar system installation, maintenance and servicing of roofs, and consulting and estimating for roof projects. The company thus offers comprehensive solutions for all types of roofing work, from new constructions to renovations and repairs.
Wicki Dach- und Fassadenbau AG
Flühli Lu · Since 2016
The core activity of Wicki Dach- und Fassadenbau AG encompasses the planning, execution and maintenance of roofing and façade work, including the installation of solar systems, green roofs, sheet metal work and lightning protection. The company also offers services in the areas of energy saving and façade maintenance.
Wingeier Haustechnik AG
Trubschachen · Since 2001
The core activity of Wingeier Haustechnik AG encompasses sanitary technology, water supply and drinking water hygiene. Specifically, the company offers solutions for the planning, installation and maintenance of sanitary systems, water supply systems and drinking water hygiene solutions for private and public institutions. This also includes the development and manufacture of its own products, such as well chamber covers under the Aqua-Top brand.
W. Meier AG Bilten
Bilten · Since 1969
W. Meier AG Bilten is an electrical installation company that plans, installs and maintains electrical systems. Its services include new builds and renovations, service and maintenance, building automation, lighting, telephony, multimedia and security systems, as well as photovoltaic installations; the company also sells household appliances and manages properties.
Würsch Söhne AG
Emmetten · Since 1976
The core activity of Würsch Söhne AG is the provision of services in the field of building envelopes, particularly in the areas of: Roofing (pitched roof, flat roof), Facades, Solar systems / Photovoltaics, Sheet metal work / Lightning protection, Renovations / Monument preservation, Under-roof / Insulations, Repair / Maintenance, Consulting / Estimating, Crane work / Lift platforms, and Bird protection. The company offers comprehensive services for new construction, maintenance, and renovation areas, combining traditional expertise with modern trends, materials, and technologies.
Zett Haustechnik AG
Oberschan · Since 2015
The core activity of Zett Haustechnik AG is the installation, maintenance and repair of heating and plumbing systems, including the planning and implementation of projects in the field of building technology, such as the conversion of oil boilers to geothermal heat pumps. The company also offers services in the field of solar systems and sanitary services.
Ziltener-Heizungen GmbH
Staufen · Since 2019
Ziltener-Heizungen GmbH provides consultation, installation and maintenance of heating systems, heat pumps and solar/photovoltaic systems. Services include boiler descaling and replacement, solar-panel cleaning and maintenance contracts, as well as heating renewals and system servicing.
Stratton ENERGIES Sàrl
Neuchâtel · Since 2025
The core activity of Stratton Energies is the planning, installation and maintenance of renewable energy systems, in particular: * Photovoltaic systems (installation, panel cleaning) * Solar systems (solar carports) * Heat pumps (heat pumps) * Thermodynamic boilers * Air conditioning systems (air conditioning) * Energy efficiency solutions (CECB/CECB+) The company also provides consulting and support for applying for subsidies for energy efficiency measures in various cantons of Switzerland.
AC/DC Solar + Elektro GmbH
Neudorf · Since 2016
The core activity of AC/DC Solar + Elektro GmbH is the planning, consulting and realization of solar systems and electrical installations, in particular photovoltaic systems, for private and commercial customers.
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Source: Federal Statistical Office, UID register