9'016 companies found
VWS GmbH
Malters · Since 2013
The core activity of First Tec AG is the development and provision of solutions for roof safety, particularly through the distribution of products such as the "Firstkönig", a type of roof safety system that enables safe work on roofs, whether during the construction phase or for later repair work.
Wagner Haustechnik AG
Schönenberg Zh · Since 2014
The core activity of Wagner Haustechnik AG encompasses the planning, installation, and maintenance of building technology systems, including: sheet metal work, heating systems, thermal solar systems, photovoltaic systems, sanitary systems, industrial piping, and repair services. The company thus offers a comprehensive range of services in the field of building technology.
Wagner Umweltschutz AG
Steinach · Since 1978
The core activity of Wagner Umweltschutz AG is the development, manufacture and sale of products and services for environmental protection, particularly for oil and chemical spill response, groundwater remediation, contaminated site remediation and water treatment. This includes, among other things, the manufacture and sale of oil booms, the remediation of damage cases after accidents, the maintenance and servicing of technical installations and pumps, as well as the execution of deployments for the fire department, industry and construction.
Waldhaus Stiftung
Lützelflüh-Goldbach · Since 1993
The company 'Waldhaus' is a seminar centre that focuses on promoting sustainability, ecology and regenerative culture. It offers spaces for seminars, workshops and events and features a vegetarian self-service restaurant. In addition, the company is involved in various projects, such as promoting ecological agriculture, preserving sources and water cycles, and developing sustainable building technologies.
Waldstudio GmbH
Wabern · Since 2022
The core activity of Waldstudio GmbH is the provision of services in the field of sustainable development of forests, nature and rural areas. This includes in particular: * Technical projects and mandates for public and private actors in Switzerland and internationally, with a focus on forest management, nature conservation and rural development. * Coaching and consulting in the field of sustainable development, using the forest as a space for reflection and further development. The company thus offers a combination of technical expertise and coaching services to develop sustainable solutions for the development of forests, nature and rural areas together with its customers.
Wald und Klima Ursern
Andermatt · Since 2021
The core activity of the company 'Wald und Klima Ursern' is the promotion of environmental protection and climate protection through reforestation and CO2 compensation. The company is committed to planting trees and supporting projects that combat climate change. It offers opportunities for donations, memberships and volunteer work to achieve its goals.
Walter Kälin Holzbau AG
Hinwil · Since 1997
The core activity of Walter Kälin Holzbau AG is timber construction, particularly the new construction, renovation and refurbishment of buildings with wood, as well as the manufacture of wooden frames and the installation of solar systems.
Walter Salzmann GmbH
Zuoz · Since 1997
The core activity of Walter Salzmann GmbH is the provision of services in the field of roofing and sheet metal work, including the planning, execution and maintenance of roof systems, as well as the installation of photovoltaic systems. Specifically, this includes the areas of: Roofing (pitched roof, flat roof, roof windows, roof coverings, roof renovations), sheet metal work (roof structures, metal roofs, dormer windows, snow retention systems), photovoltaics (planning, installation and maintenance of photovoltaic systems), renovations and refurbishments of roof systems, and sealing and insulation of building envelopes. The company offers these services for all types of roofs and is specialized in meeting the needs of customers in the Upper and Lower Engadine.
Walter Zwald Coffee Buying & Consulting
Meggen · Since 1999
The core activity of the company 'Coffee Buying & Consulting' is the consulting of coffee roasters and coffee-producing export organizations, as well as the trade and export of coffee, with a focus on the highest coffee quality under fair conditions and considering economic, social and ecological sustainability.
Walther Saalfeld Sourcing und Consulting
Glarus · Since 2008
The core activity of the company 'Walther Saalfeld Sourcing & Consulting' is the consulting and support of companies in the photovoltaic and solar technology industry, particularly in the planning, setup and optimization of production facilities, as well as in the development of business opportunities in China.
Wandu Energie AG
Trubschachen · Since 2020
The core activity of Wandu Energie AG is the trading of certificates of origin from renewable energy sources, particularly solar power, in Switzerland.
Wärme Genossenschaft Bern
Bern · Since 2020
The company's core activity is the planning, implementation and maintenance of projects in the field of renewable energy, particularly heat and solar systems. This includes the conversion of heating systems, the expansion of photovoltaic systems and the installation of heat pumps. The company acts as a general contractor and offers a comprehensive service, from planning and design to execution and maintenance of the systems.
Wärme Lindau AG
Tagelswangen · Since 1996
Wärme Lindau AG is a subsidiary of EW Lindau AG operating in the heat sector. It operates a district heating network in Tagelswangen and offers connections on request as well as services such as heating cost billing.
Wärme Lyss Nord AG
Lyss · Since 2015
The core activity of Wärme Lyss Nord AG is the generation and supply of district heating to households, businesses and industry in the Lyss region. The company utilizes waste heat from the drying process of GZM in the Lyss industrial ring and feeds it into the district heating network in the form of hot water, which supplies heat to the connected buildings.
Wärmeverbund AG Flaach
Flaach · Since 2015
The core activity of Wärmeverbund AG is heat supply, particularly through the operation of heating plants and heat networks, to provide households with regional energy.
Wärmeverbund AG Schaffhausen
Schaffhausen · Since 2021
E+H Ingenieurbüro für Energie + Haustechnik AG is a specialist in district heating and offers services in the planning, implementation and operational optimization of heat and energy networks. The company's core activity includes consulting and supporting heat suppliers and district heating operators in the planning, implementation and optimization of heat distribution networks and energy centers.
Wärmeverbund Brislach GmbH
Brislach · Since 2013
The core activity of Wärmeverbund Brislach GmbH is the realization and operation of a wood chip heating plant and a district heating network, providing public and private properties in Brislach with ecological and sustainable heat.
Wärmeverbund Haussener GmbH
Lanzenhäusern · Since 2011
Wärmeverbund Haussener GmbH operates a wood‑chip heating plant and supplies district heat to residential and commercial properties. The company runs a central heating facility and a distribution network and provides information for customers on connecting to the heat network.
Wärmeverbund Kaltbrunn AG
Kaltbrunn · Since 2016
Wärmeverbund Lauperswil AG
Lauperswil · Since 2014
The core activity of Wärmeverbund Lauperswil AG is the generation and distribution of district heating from renewable energy, particularly through the combustion of wood chips from local forests, to supply households and properties in the Lauperswil municipality with heat.
Wärmeverbund Laax AG
Laax Gr · Since 2020
The core activity of Wärmeverbund Laax AG is the production and supply of CO2-neutral energy from the natural raw material wood for the heating of buildings and the heating of domestic hot water in the municipality of Laax.
Wärmeverbund Lehenmatt Birs AG
Basel · Since 2020
The core activity of Wärmeverbund Lehenmatt Birs AG is the planning, construction, financing and operation of district heating networks, in particular the use of waste heat from the ARA Birs for the production of hot water for households and companies in the Basel region.
Wärmeverbund Lengnau
Lengnau Be · Since 2019
The core activity of Wärme Lengnau is the production and distribution of district heating, particularly through the use of regional wood energy, to sustainably and efficiently heat households and businesses in Lengnau.
Wärmeverbund Lyssbach Schüpfen AG
Schüpfen · Since 2007
The core activity of Wärmeverbund Lyssbach Schüpfen AG (WLS AG) is the generation and distribution of district heating through the combustion of wood chips and the use of solar energy. The company operates a heating plant that converts wood chips into heat and a solar system that feeds heat into the network. The generated heat is supplied to households and commercial enterprises in Schüpfen through a district heating network.
Wärmeverbund Marzili Bern AG
Bern · Since 1996
The core activity of Wärmeverbund Marzili Bern AG is the development, planning, construction and operation of environmentally friendly district heating systems, particularly local and district heating supply systems based on renewable energies such as wood, wood pellets and waste heat. The company also offers services such as feasibility and economic viability studies, project development and management, as well as operational management after completion.
Wärmeverbund Oberdorf Kirchberg GmbH
Kirchberg Be · Since 2022
The core activity of Wärmeverbund Oberdorf Kirchberg is to supply households and properties with sustainable heat energy, particularly through the use of renewable energy sources such as wood chips, biogas and solar thermal energy, via a district heating network.
Wärmeverbund Oberwil AG
Oberwil B. Büren · Since 2019
The core activity of Wärmeverbund Oberwil AG is the production of heat from wood chips and the supply of this heat energy through a district heating network to various houses and buildings in the village of Oberwil.
Wärmeverbund obere Rüti GmbH
Rothenthurm · Since 2013
Wärmeverbund obere Rüti GmbH uses residual wood from Pius Schuler AG and, as a non-profit operating company, operates a heating plant and a district heating network. It supplies connected customers with heat energy from renewable, CO2‑neutral wood and has taken over, modernized and expanded the former network.
Wärmeverbund Rifferswil AG
Rifferswil · Since 2014
The core activity of Wärmeverbund Rifferswil AG is the generation and distribution of district heating using wood chip heating systems. The company operates a heat plant with several chip-fired boilers, supplying various buildings and apartments in Rifferswil with CO2-neutral heat energy.
Wärmeverbund Sachseln AG
Flüeli-Ranft · Since 2022
The core activity of Wärmeverbund Sachseln AG is the generation and distribution of heat energy through the operation of heating plants, which are fueled with wood chips from local forests, to supply households and buildings in the municipality of Sachseln with environmentally friendly energy.
Wärmeverbund Seetalplatz AG
Emmenbrücke · Since 2018
The core activity of Wärmeverbund Seetalplatz AG is the generation and distribution of sustainable energy in the form of heat and cold to industry, residential buildings and commercial properties in the Viscosistadt and surrounding areas. The energy is produced from groundwater, industrial waste heat and solar power and distributed centrally, replacing fossil fuels and reducing CO2 emissions.
Wärmeverbund Rüthi AG
Rüthi (Rheintal) · Since 2013
The company's core activity is the management and exploitation of municipal assets, in particular alpine and forest areas, as well as the provision of services in the fields of forestry and the rental of parking spaces and real estate.
Wärmeverbund Schnottwil AG
Schnottwil · Since 2014
Wärmeverbund Schnottwil AG operates a district heating network supplied by a wood-chip boiler (900 kW). The network provides heat to private households, the local school building, a fire brigade/municipal workshop and several commercial properties, and the company offers information on connection agreements, costs and available subsidies.
Wärmeverbund Schüpfheim AG
Schüpfheim · Since 2024
Wärmeverbund Schüpfheim AG operates a district heating network that supplies heat and electricity from a wood-fired heat and power plant and several combined heat and power units. The network uses regional wood chips and can be supplemented by a hybrid oil boiler to ensure supply reliability. The project’s stakeholders include the municipality of Schüpfheim, the Waldgenossenschaft oberes Entlebuch and CKW AG.
Wärmeverbund Sonnenrain GmbH
Bolligen · Since 2016
Wärmeverbund Sonnenrain GmbH specialises in the construction and operation of energy supply systems and distribution networks. Using insulated hot-water pipelines, the company delivers heat for space heating and domestic hot-water preparation to buildings and also plans, finances, builds and operates photovoltaic systems to generate renewable energy.
Wärmeverbund Sursee AG
Sursee · Since 2020
The core activity of Wärmeverbund Sursee AG is the creation and operation of heat and cold networks in the Sursee area, with the goal of enabling a sustainable and largely CO2-neutral heat and cold supply.
Wärmeverbund Sutz-Lattrigen AG
Sutz · Since 2021
The core activity of the company 'Burgergemeinde Sutz-Lattrigen' is the provision of district heating through the operation of a heat network, which is fueled by wood from its own Burgerwald forest. This heat network supplies various properties, including single-family and multi-family homes, community houses, campsites, and the church of the municipality of Sutz, with environmentally friendly thermal energy.
Wärmeverbund Walkringen AG
Walkringen · Since 2019
The company's core activity is the generation and distribution of district heating as well as the operation of a heat network.
Wärmeverbund Zollbrück AG
Zollbrück · Since 2020
Wärmeverbund Zollbrück AG is responsible for the district heating network and coordinates heat supply for multiple buildings. The system uses a central wood‑chip heating plant that is built and operated by the company De Ligno.
Wärmeverbund Willisau AG
Willisau · Since 1997
The core activity of Wärmeverbund Willisau AG is the generation and distribution of environmentally friendly heat energy through the use of wood as an energy carrier. The company operates a heating plant and a pipeline network to supply heat to public and private buildings in Willisau.
Wärmeverbund Zollikofen AG
Zollikofen · Since 2021
The core activity of the company is municipal administration and services, including location promotion, business consulting, real estate and building land management, education, culture, security, environment and infrastructure. This is the official website of the municipality of Zollikofen.
warm und kalt GmbH
Raron · Since 2022
warm und kalt GmbH provides installation services for heating and air-conditioning systems.
Wascom AG
Sursee · Since 2000
The core activity of WASCOM AG is the reduction of nitrous oxide emissions, particularly in the processing of all necessary documents and the recording of emission and efficiency values related to sewage sludge incineration. The company supports its customers in complying with environmental regulations and helps them to successfully implement their projects.
Wassergenossenschaft Allenwinden
Allenwinden · Since 1961
The core activity of the Wassergenossenschaft Allenwinden company is the supply of Allenwinden with drinking and utility water as well as the provision of fire extinguishing water.
Wassergenossenschaft Haldi
Haldi B. Schattdorf · Since 1947
The company's core activity is municipal administration, including public services such as social services, taxes, transportation and mobility, water, military service, civil registry, experience, leisure and culture, as well as the administration of authorities, commissions and cantonal authorities. It is a public administrative unit responsible for the administration and organization of municipal affairs.
Wassergenossenschaft Rotkreuz und Umgebung
Rotkreuz · Since 1912
The core activity of Wassergenossenschaft Rotkreuz and Umgebung is the planning, maintenance and management of a drinking water supply network, including water treatment, quality assurance and the provision of water connections for the municipality.
Wasserkraftwerk Peist AG
Arosa · Since 2017
wasserradbau guidi gmbh
Männedorf · Since 2019
The core activity of Wasserradbau GmbH is the construction and installation of water wheels for power generation.
Wasserstoffproduktion Ostschweiz AG
St. Gallen · Since 2019
The core activity of Wasserstoffproduktion Ostschweiz AG is the production of hydrogen as a future energy carrier for mobility, particularly for the operation of hydrogen-powered vehicles. The company makes the produced hydrogen available at AVIA hydrogen filling stations to offer a sustainable alternative to fossil fuels.
Wasserverbund Birstal
Zwingen · Since 1997
Wasserverbund Birstal operates springs, pumping stations, reservoirs and transmission pipelines and supplies drinking water to its member municipalities. Members include Laufen, Zwingen, Blauen and Nenzlingen; primary sources cited are the Pfandel and Bernhardsmätteli springs and the Weiden pumping station, and storage reservoirs include Hard and Hägenberg.
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Source: Federal Statistical Office, UID register