6'598 companies found
Georges Constantin S.A., succursale de Crissier
Crissier · Since 1992
Georges Constantin S.A., succursale de Crissier undertakes construction, renovation and maintenance of sanitary installations and performs artisanal metalwork (ferblanterie) and roof covering work. Its services include installation and drainage of sanitary appliances, gas and fluid supply systems, water treatment and wastewater evacuation, emergency repairs, and a design office that manages projects from planning to delivery for industrial, hospital, office and residential buildings.
Georges Constantin SA
Plan-Les-Ouates · Since 1949
Georges Constantin SA provides construction, renovation and maintenance of sanitary installations, artisanal sheet metal work and roof covering. The company also offers emergency repair services and an in-house study office for project design and execution.
Georges Constantin SA, succursale de Nyon
Nyon · Since 1985
Georges Constantin SA, succursale de Nyon carries out construction, renovation and maintenance of sanitary installations and performs artisan sheet-metal work and roof covering. The company also provides emergency repair (dépannage) services, installations for gases and other fluids (including medical gases and compressed air), water treatment and a design office for project planning and delivery.
Hegg Sanitär AG
Münchenbuchsee · Since 1983
The core activity of Hegg Sanitär AG is the planning, organization and execution of sanitary installations, bathroom conversions and renovations, including the maintenance and repair of sanitary facilities, such as boiler descaling, water supply and heating technology.
Hubacher Heizungen GmbH
Finsterhennen · Since 2018
The core activity of Hubacher Heizungen GmbH is the planning, installation and commissioning of heating systems and the associated heat distribution for buildings. This also includes service services such as repairs, maintenance and replacement of heating systems. The company also offers specific solutions such as heat pumps, solar systems, boiler descaling and water softening systems.
Huber + Bühler AG
Schaffhausen · Since 1975
The core activity of Huber + Bühler AG is the provision of services in the field of heating and plumbing, including new buildings, renovations, conversions, service and maintenance.
Jan Weisskopf AG
Gebenstorf · Since 1971
The core activity of Jan Weisskopf AG is sanitary installation and the associated specialist trade. The company offers services in the field of sanitary technology and has specialized in the planning, installation and maintenance of sanitary facilities.
BISSIG GROUP SANITÄR AG
Stans · Since 1993
The core activity of Joller and Bissig Sanitär AG is the planning, installation and maintenance of sanitary systems, including heating and plumbing systems. The company also offers services such as project management, assembly and service, and is involved in the training of sanitary fitters.
Niederhauser Heizung u. Sanitär AG
Brunnen · Since 1985
The core activity of Niederhauser Heizung u. Sanitär AG is the planning, installation, maintenance and repair of heating, ventilation and sanitary systems, including the installation of prefabricated wall systems and sanitary appliances, as well as the performance of service and maintenance work on these systems.
Oberhänsli AG
Mosnang · Since 2018
Oberhänsli AG is a building services company providing heating, sanitary and related installation and maintenance services. The Hälg Group has taken over Oberhänsli AG; the team and the location remain in place and the integration was completed on 1 January 2026.
Oberhänsli AG
Bütschwil · Since 2018
Oberhänsli AG is a building services company offering planning, installation, maintenance and renovation of heating, sanitary, ventilation and photovoltaic systems as well as pool installations. The Hälg Group has taken over Oberhänsli AG; the team and the site remain in place.
O. Jeker AG
Breitenbach · Since 2009
The company is a family-run business specializing in the planning, installation, maintenance, and renovation of building technology systems. The core activities include: Heating: construction, renovation, and maintenance of heating systems based on fossil fuels (oil, gas, wood) and renewable energy (heat pumps, wood heating systems, solar energy systems); Sanitation: installation and maintenance of sanitary systems; Rainwater management and irrigation management: planning and installation of systems for the use and management of rainwater; Swimming pool technology: planning and installation of swimming pool systems; Building technology: planning and installation of complete building technology systems. The company offers comprehensive services, from consulting and planning to installation and assembly, as well as maintenance and repair of building technology systems.
Oppliger Ins AG
Ins · Since 2020
Oppliger Ins AG provides heating and sanitary installation services. The company designs, installs and services heating systems (ground‑source and air‑to‑water heat pumps, pellet, wood‑chip and log‑wood systems, as well as gas and oil boilers) and carries out sanitary work including water supply, water treatment, pipework, renovations, special installations and repairs.
Oppliger Murten AG
Murten · Since 1971
Oppliger Murten AG provides sanitary installation and plumbing services. Its offerings include water collection and treatment, pipeline construction, renovations and new-build plumbing, special systems, repairs and descaling.
Philippe Andrey Installations sanitaires et chauffage SA
Bulle · Since 1999
The core activity of Philippe Andrey Installations sanitaires et chauffage SA is the planning, installation, maintenance and repair of sanitary facilities, heating systems and ventilation systems for private individuals, companies and municipalities.
plentec Gebäudetechnik GmbH
Eschenbach Sg · Since 2016
The core activity of Plentec Gebäudetechnik GmbH is the planning, consulting and implementation of building technology projects, including HLKS (heating, ventilation, air conditioning, sanitation), energy consulting, condition analyses and renovation concepts for residential buildings, commercial and office buildings, industry, public buildings and renovations.
Pro-tech chauffage Sàrl
Le Locle · Since 2013
Pro-tech chauffage Sàrl provides installation, maintenance and repair services for heating systems. Offerings include heat pumps, underfloor heating, wood/pellet boilers, solar thermal systems and assistance with subsidy procedures.
R. Messmer GmbH
Riehen · Since 2021
The core activity of R. Messmer GmbH is the provision of services in the field of sanitary technology, including maintenance work, repairs, renovations of bathrooms and kitchens, as well as descaling of boilers. The company also offers service work such as maintenance of distributor batteries, fittings and piping systems.
Lakescape GmbH
Murten · Since 1997
Rosselet & Manco Sàrl
Fenin · Since 2020
The core activity of Rosselet Sanitaire Sàrl is the provision of services in the field of sanitary and heating technology, including: troubleshooting (repair and maintenance) of sanitary facilities and heating systems, installation of sanitary facilities and heating systems, renovation of bathrooms and sanitary facilities, water leak detection, replacement of sanitary appliances, descaling of water heaters, and installation and maintenance of underfloor heating and radiators. The company also offers consulting and support services for the planning and implementation of bathrooms and sanitary facilities.
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Source: Federal Statistical Office, UID register