6'598 companies found
Letra AG
Appenzell Enggenhütten · Since 1983
The core activity of Letra AG is the planning, installation, maintenance and repair of building technology systems, particularly in the areas of heating, ventilation, air conditioning, water and air quality. The company offers individual solutions for living and working spaces and provides personal consulting services to its customers. It focuses on optimizing building technology systems to achieve maximum living comfort and efficient energy use.
Leu Haustech AG
Moosseedorf · Since 1991
The core activity of Leu Haustech AG includes the installation, maintenance and repair of sanitary facilities, heating systems and plumbing services for buildings. The company also offers apprenticeships for sanitary and heating installers and employs heating service all-rounders EFZ, who are responsible for solving heating problems and carrying out heating renovations.
Leusi & Partner GmbH
Nuglar · Since 2020
The core activity of Leusi & Partner GmbH is the distribution and servicing of heat pumps of all kinds.
LG Technique Sàrl
Boussens · Since 2022
The core activity of LG Technique Sàrl is the provision of technical services in the field of sanitary engineering, particularly in the planning and implementation of projects in the field of sanitary facilities.
Liber Haustechnik GmbH
Basel · Since 2016
The core activity of Liber Haustechnik is the planning, installation, maintenance and repair of sanitary facilities, including bathroom renovations and the planning of individual dream bathrooms.
Lienhard + Herter AG
Embrach · Since 1985
The core activity of Lienhard + Herter AG is the renovation and installation of heating systems, including heating and combustion systems, alternative systems, heat pumps, solar systems, chimney systems, tank cleaning and thermal insulation. The company also provides comprehensive consulting, planning and execution of renovation and new construction projects in the field of building technology.
Lika Team GmbH
Lucerne · Since 2022
The core activity of LIKA Haustechnik GmbH is the provision of services in the field of heating technology and the installation of industrial floors. Specifically, this includes consulting, installation, maintenance and repair of heating systems as well as the installation of high-quality industrial floors.
Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Basel
Basel · Since 2022
Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Basel is a company providing building services and metalworking solutions. Services include planning and installation of ventilation, HVAC, refrigeration, sanitary and measurement/control systems, photovoltaic systems, technical facility and energy management, and sheet‑metal and metal construction work.
Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Kriens
Kriens · Since 2023
Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Kriens is a branch of Lippuner providing building services and sheet-metal/metalwork services. Offerings include planning and execution of ventilation, heating and cooling, sanitary and measurement/control (MSR) systems, building automation and photovoltaics, together with maintenance services and metal fabrication such as roofing and structural metalwork.
Lippuner Energie- und Metallbautechnik AG
Grabs · Since 1981
Lippuner Energie- und Metallbautechnik AG provides building services engineering and sheet metal/metalwork services. Its offerings include planning, installation and maintenance for ventilation and climate control, heating and cooling, sanitary systems, building automation, photovoltaic systems, and services such as technical facility management and energy management.
Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Wallisellen
Wallisellen · Since 2010
Lippuner Energie- und Metallbautechnik AG, Zweigniederlassung Wallisellen provides building services, maintenance and sheet-metal/metal construction. Its activities include planning, installation and servicing of ventilation, HVAC (heating and cooling), and sanitary systems, building automation and photovoltaic systems, as well as technical facility management and energy management.
Lippuner Hosting GmbH
St. Gallen · Since 2013
Lippuner Hosting GmbH provides building services engineering, including planning and installation for ventilation/air conditioning, heating/cooling, sanitary and measurement‑control‑regulation (MSR) systems, and also delivers service, energy management and sheet‑metal/metalwork services.
Littoral Chauffage Sanitaire Sàrl
La Tour-De-Peilz · Since 2023
Littoral Chauffage Sanitaire Sàrl provides plumbing and heating services, including repairs, installations and maintenance of sanitary systems and heating equipment. The website lists services such as leak repairs, drain unblocking, bathroom renovations, heating diagnostics and conversions to more energy-efficient systems.
LKK Planung GmbH
Hofstetten So · Since 2017
LKK Planung GmbH is an engineering and consulting firm for heating, ventilation, air conditioning and refrigeration systems. Services include owner representation, feasibility studies and renovation concepts, planning of HVAC-R systems for sectors such as cleanrooms, offices, healthcare and industry, project supervision and coordination (including BIM), and operational optimisation with maintenance planning.
LKK Gebäudetechnik GmbH
Regensdorf · Since 2021
LKK Gebäudetechnik GmbH provides planning and project coordination for heating, ventilation, air conditioning and refrigeration systems, and offers owner’s representation, feasibility studies and renovation concepts.
LK System GmbH
Rupperswil · Since 2020
LK System GmbH manufactures sheet-metal ventilation ducts, air outlets, oval ducts and related metal components for HVAC systems, offering custom-fabricated parts and material options such as galvanized steel, stainless steel and aluminium.
LK System Belp GmbH
Belp · Since 2024
LK System Belp GmbH manufactures sheet‑metal ventilation ducts, air outlets and oval pipes as well as associated fittings and components for HVAC systems. The company provides custom fabrication, material options (galvanized steel, stainless steel, aluminium) and project support including delivery.
LMB Haustechnik GmbH
Hünenberg · Since 2018
The core activity of LMB Haustechnik GmbH is the planning, installation and assembly of systems and plants in the field of building technology, particularly: heating systems, refrigeration systems, sanitary systems, district heating systems, steam and hot water systems, energy centers, vertical zones, tenant installations, and supply and disposal lines (e.g. water, fire extinguishing stations). The company specializes in plant and industrial pipeline construction and offers its services throughout Switzerland.
Lodovici SA
Puidoux · Since 1990
The core activity of Lodovici SA is the installation, maintenance and repair of heating and sanitary systems, as well as the laying of water pipes. The company offers specific services such as the replacement or new installation of sanitary and heating systems, as well as the operation of an emergency service for urgent repairs.
Lombardi Gebäudetechnik GmbH
Zurich · Since 2023
Lombardi Gebäudetechnik GmbH provides sanitary and building services, including plumbing repairs and installations, water-damage remediation, maintenance, renovation projects, emergency response and technical consulting.
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Source: Federal Statistical Office, UID register