3'203 companies found
Oggier Haustechnik GmbH
Susten · Since 2008
The core activity of Oggier Haustechnik is the planning, installation and maintenance of building technology systems, including heating systems, plumbing installations, ventilation systems, solar systems, metalwork, roofing and repair services.
Profisolar GmbH
Gerlafingen · Since 2022
Profisolar GmbH is a company providing photovoltaic and solar energy solutions, offering consultation, planning, installation and maintenance of PV systems. Their services include rooftop, flat‑roof, in‑roof and façade installations, battery storage, EV charging stations and contracting arrangements.
Selm Heizsysteme AG
Kaltbrunn · Since 1998
The core activity of Selm Heizsysteme AG is the planning, installation and maintenance of heating systems, particularly environmentally friendly and renewable energy systems such as heat pumps, solar systems, wood heating systems, oil heating systems and gas heating systems. The company also offers services such as heating replacement, repairs and maintenance.
Simos-toit Sàrl
Signèse (Ayent) · Since 2021
The company Simos-toit specializes in roofing work and offers services in the areas of roof renovation, renewal and maintenance.
solarmotion ag
St. Gallen · Since 2015
The core activity of solarmotion ag is the planning, installation and maintenance of solar systems, in particular photovoltaic systems, on the roofs of residential, commercial and industrial buildings. The company also offers special solutions such as in-roof, on-roof and solar facades, and supports customers in roof renovation and the integration of solar systems.
SPC Solar AG
Wängi · Since 2024
The core activity of SPC Solar AG is the planning, installation and marketing of photovoltaic systems and energy storage systems for private and business customers, with the aim of enabling customers to produce their own renewable energy and increase their independence from external power sources.
Stuber Spenglerei Lüftungs AG
Teufenthal Ag · Since 2018
Stuber Spenglerei Lüftungs AG provides planning, fabrication, installation and maintenance of ventilation and air‑conditioning systems. The company also performs sheet‑metal (spenglerei) work including chimneys, flat‑roofing and lightning protection, and supplies photovoltaic systems, custom metal products, ductwork and filter/service contracts.
Vetsch Gebäudehüllen AG
Grabs · Since 1983
The core activity of Vetsch Gebäudehüllen is the planning, execution and maintenance of building envelopes, particularly in the areas of roofs, facades and energy. The company offers comprehensive solutions for building envelopes, including pitched roofs, flat roofs, facades, liquid plastics and solar systems.
R2 Immobilien AG
Reichenburg · Since 2003
The core activity of Vogt Heizung Sanitär AG is the installation, planning, implementation and maintenance of heating, sanitary and solar systems, including the associated service work such as repairs and inspections.
Voutat SA
Gland · Since 1986
The core activity of Voutat includes the planning, installation and maintenance of sanitary facilities, heating systems, heat pumps, swimming pools, solar panels, as well as the execution of repair and transformation work in these areas.
Willi+Landolt Elektro AG
Zurich · Since 2021
The core activity of Willi+Landolt Elektro AG is the provision of electrical installation services, including planning, installation, maintenance and repair of electrical systems and installations. The company offers its services to meet various customer needs and has qualified personnel with relevant training and certifications, such as federally certified electrical installers and safety consultants.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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Source: Federal Statistical Office, UID register