Energy & Environment

Wasserversorgungsgenossenschaft Mosen 

Mosen · Since 1937

Wasserversorgungs-Genossenschaft Marbach 

Marbach Lu · Since 1902

The core activity of Wasserversorgungs-Genossenschaft Marbach is the supply of households and businesses with drinking water as well as the provision of fire-fighting water for fire protection. This includes the extraction of spring water, the treatment and storage of water in reservoirs, the maintenance and renewal of pipes and hydrants, as well as ensuring the quality and quantity of water.

Wasserversorgungs-Genossenschaft Lengnau 

Lengnau Ag · Since 1960

Wasserversorgungs-Genossenschaft Lengnau operates and maintains the local water supply, including waterworks and the distribution network; it publishes regulations and provides an emergency contact number.

Wasserversorgungsgenossenschaft Mettmenstetten 

Mettmenstetten

The company's core activity is the supply of the population with clean drinking water.

Wasserversorgungs-Genossenschaft Muri 

Muri Ag · Since 1900

The company's core activity is water supply, particularly the provision of drinking water in sufficient quantity and quality for the municipality of Muri. This includes the extraction, treatment and distribution of groundwater as well as the maintenance and upkeep of the water supply facilities.

Wasserversorgungsgenossenschaft Oberdiessbach 

Oberdiessbach · Since 1902

The core activity of Wasserversorgungs-Genossenschaft Oberdiessbach (WVO) is to supply the population and commercial and industrial enterprises in the designated building area of the municipalities of Oberdiessbach and Aeschlen with drinking, utility and fire-fighting water. To this end, WVO designs and maintains facilities for water extraction, treatment, pumping and storage, as well as the public pipeline network and hydrants.

Wasserversorgungs-Genossenschaft Rickenbach 

Rickenbach Lu · Since 1927

Wasserversorgungs-Genossenschaft Rabizoni 

Biberist · Since 1918

The core activity of Rabizoni is water supply. The company operates a water supply cooperative responsible for providing drinking water to the municipalities of Obergerlafingen, Halten, Kriegstetten, Oekingen and Recherswil.

Wasserversorgungs-Genossenschaft Roggliswil 

Roggliswil · Since 1904

The core activity of the company is the management and implementation of municipal tasks, including the provision of information and services for citizens, such as education, social affairs, economy, waste management, leisure and administration. This is the official website of the municipality of Roggliswil.

Wasserversorgungs-Genossenschaft Römerswil 

Römerswil Lu · Since 1905

The company's core activity is water supply. The company operates a water supply system and provides services such as the delivery of drinking water, maintenance and repair of pipes, as well as troubleshooting and resolving issues in the water supply system.

Wasserversorgungsgenossenschaft Romoos-Dorf 

Romoos · Since 2008

The core activity of the company is the management and administration of a municipality, specifically the municipality of Romoos. The activities encompass the areas of politics, administration, education, social affairs, economy, environment, tourism, and infrastructure. The company is responsible for organizing and implementing municipal tasks, such as building permits, waste management, water supply, and energy supply. It also supports the local economy and tourism, and provides services to residents, including education, social assistance, and health services.

Wasserversorgungsgenossenschaft Schongau 

Schongau

Wasserversorgungsgenossenschaft Schachen 

Schachen Lu · Since 1922

The core activity of Wasserversorgung Schachen is the extraction, treatment and distribution of drinking and utility water, as well as the construction and maintenance of operational facilities, including the operation of reservoirs, pipelines and hydrants.

Wasserversorgungsgenossenschaft Schötz (WVGS) 

Schötz · Since 1900

The core activity of Wasserversorgungsgenossenschaft Schötz (WVGS) is the extraction and supply of drinking water to the municipality of Schötz. This includes the operation of wells, pumping stations and reservoirs, monitoring of water quality, as well as the distribution of drinking water to shareholders and the municipality.

Wasserversorgungs-Genossenschaft Russikon 

Russikon · Since 1930

The company's core activity is the supply of drinking and utility water to its shareholders and other public and private entities. This includes the procurement, storage, distribution and monitoring of drinking and utility water, including the maintenance and control of reservoir facilities, pumping stations and pipeline networks.

Wasserversorgungsgenossenschaft Schwyzerhöhe-Morschach 

Morschach · Since 1965

Wasserversorgungsgenossenschaft Schwyzerhöhe-Morschach is a cooperative that operates a drinking-water supply, including management of wells and related operational tasks. The municipal website lists the watermaster's contact details and provides a link to the cooperative's website (www.wvsm.ch).

Wasserversorgungsgenossenschaft Schwenden (WVS Schwenden) 

Schwenden Im Diemtigtal · Since 2022

The core activity of Wasserversorgungsgenossenschaft Schwenden (WVS) is public water supply, including the procurement, treatment, pumping, storage and distribution of drinking and utility water, as well as hydrant fire protection for the municipality of Schwenden in the Diemtigtal valley.

Wasserversorgungs-Genossenschaft Ufhusen 

Ufhusen · Since 1907

Wasserversorgungs-Genossenschaft Ufhusen operates and maintains the potable water supply, manages water connections, and administers supply regulations and fee tariffs.

Wasserversorgungs-Genossenschaft Sörenberg 

Sörenberg · Since 1937

The core activity of Wasserversorgung Sörenberg is the supply of households and businesses with drinking water. This includes the extraction, treatment, distribution and maintenance of the water supply infrastructure.

Wasserversorgungsgenossenschaft Unterlangenegg (WGU) 

Unterlangenegg · Since 1934

Wasserversorgungsgenossenschaft Unterlangenegg (WGU) is a cooperative that operates drinking water supply services. It is responsible for the Unterlangenegg area, is governed by its statutes and a water-supply regulation, and publishes regular water quality reports.

Wasserversorgungsgenossenschaft Ursenbach 

Ursenbach · Since 1932

The company's core activity is the extraction and supply of drinking water from its own sources.

Wasserversorgungsgenossenschaft Zweisimmen 

Zweisimmen · Since 1901

The core activity of Wasserversorgungsgenossenschaft Zweisimmen (WVGZ) is the supply of households and businesses with drinking water. This includes the extraction, treatment, distribution and sale of drinking water, as well as the maintenance and upkeep of the water supply infrastructure.

Wasserversorgung Utzigen - Genossenschaft 

Utzigen · Since 1932

The core activity of Wasserversorgung Utzigen is the extraction, treatment and distribution of drinking water to the population, commercial, industrial and service companies in the Utzigen region. This also includes the expansion and maintenance of water supply systems as well as ensuring the quality of drinking water in accordance with legal requirements.

Wasserversorgung Wasseramt AG 

Derendingen · Since 2021

Wasserwerk Wengen Genossenschaft 

Wengen · Since 1921

Wasserwerk Wengen Genossenschaft operates and ensures the provision of public water services, covering drinking, utility and firefighting water, with operational responsibilities managed by officers such as a president, a secretary and a Brunnenmeister.

WasteFlow SA 

Lausanne · Since 2024

WasteFlow SA develops an AI-driven monitoring and optimization system for waste sorting and recycling facilities, providing real-time material characterization, mass estimation, dangerous-object detection and operational recommendations, delivered as integrated hardware and software.

WasteOlas Sàrl 

Petit-Lancy · Since 2022

The core activity of WasteOlas is the development and implementation of systems for capturing and recycling CO2 emissions, particularly in the brewing industry. The company offers solutions to reduce, recycle and convert CO2 emissions into valuable resources, thereby supporting breweries in achieving their sustainability goals.

WATALUX SA 

Geneva · Since 2014

The core activity of WATALUX is the development and distribution of simple, affordable and sustainable solutions for the needs of water, hygiene and sanitation for disadvantaged populations.

watercat systeme Gunter Berschl 

Scherzingen · Since 2012

The core activity of watercat-systeme is the development, manufacture and distribution of systems for water treatment, particularly for the decalcification and lime treatment of drinking water. The company offers both classic decalcification plants and physical lime treatment systems to remove lime and impurities from the water, thereby improving the quality of the water.

Water Technology Solution SA 

Puidoux · Since 2005

The core activity of Water Technology Solution SA is the development, manufacture and marketing of systems for water supply, wastewater disposal and treatment, particularly cast iron pipes and connections for the construction and water sectors.

watt elec jura sa 

Porrentruy · Since 2023

watt elec jura sa is an electrical services company that designs, installs and services electrical and energy systems. Its offerings include high- and low-voltage installations, photovoltaic systems, e-mobility charging solutions, project studies and planning, and maintenance contracts with a focus on energy optimization.

Wattimmo SA 

Les Acacias · Since 2023

The company wattimmo.com is an online real estate portal that enables users to search, view and evaluate properties. The core activity of the company is to provide an online platform for the real estate market.

wattss AG 

Frauenfeld · Since 2024

wattss AG designs, plans and installs modular battery storage systems and energy management solutions for commercial and industrial customers. Its portfolio includes Pixii‑based systems and product platforms such as PowerShaper and PowerBase, complemented by services from feasibility studies and financing to commissioning and after‑sales support. Common applications include peak shaving, PV+storage, backup power, EV charging and load management.

WaVeritas AG 

Zurich · Since 2020

The core activity of WaVeritas is to provide services in the field of sustainable investments and ESG management (Environmental, Social and Governance). This includes in particular: conducting qualitative and quantitative research activities in the ESG field, developing strategies and processes for sustainable investments, integrating ESG criteria into customers' investment decisions, creating ESG ratings and conducting due diligence reviews, providing solutions for compliance with ESG regulations and guidelines, supporting customers in managing ESG risks and opportunities, and developing impact investing strategies and identifying investment opportunities in the field of sustainable investments.

WeatherXM AG 

Zug · Since 2022

The company develops and operates a global network of weather stations driven by the combination of IoT technology, Web3, and an active community of station owners. The company's core activity is the collection and provision of weather data for various industries such as insurance, agriculture, energy, and transportation, to support them in emergency preparedness, environmental monitoring, and climate adaptation.

Weber Advisory 

Solduno · Since 2015

Weber Advisory primarily focuses on facilitating investment opportunities in the field of green energy. They connect investors with asset managers and investment companies specializing in green energy projects. The goal is to enable investments that not only generate high returns but also contribute to reducing CO2 emissions and protecting the environment.

Weber Clay GmbH 

Bünzen · Since 2022

The core activity of Weber Clay GmbH includes land cleaning services, specifically: vacuuming waste, leaf blowing, crane work, land cleaning after major events such as festivals and events, removal of small trees and telephone poles, root stock milling and tree care. The company thus offers a wide range of services in the field of land cleaning and maintenance, particularly in connection with major events and land maintenance.

wega & sunergy gmbh 

Diepoldsau · Since 2006

wega & sunergy gmbh provides project development, engineering, strategic consulting and project implementation for wind and photovoltaic projects, with services including site potential analyses, wind measurements (mast and LIDAR), yield assessments, permitting support, environmental impact studies and operation of solar partnership installations.

WeGaw SA 

Lausanne · Since 2016

The core activity of Wegaw SA is the development and provision of digital solutions for the energy industry, particularly in the field of hydropower. By combining geospatial data, artificial intelligence and hydrological models, Wegaw offers products and services that enable energy companies to optimize their production and trading strategies, minimize risks and improve their climate resilience.

Weiss und Partner GmbH 

Münchenstein · Since 2015

The core activity of Weiss & Partner encompasses services in the construction and real estate management sector, including: High-rise and civil engineering, Property management, Garden design and maintenance, Painting and roofing, Metal construction work, Dismantling, deregistration and disposal of old oil tanks, Facility management, Final cleaning of apartments with acceptance guarantee, Janitorial services, Special cleaning. The company thus offers a wide range of services for construction and real estate projects.

Weit&Breitsicht GmbH 

Solothurn · Since 2015

The core activity of Weit&Breitsicht GmbH is consulting and project work in the areas of sustainability, energy, mobility, economy and politics. The company offers services such as spatial planning, communication, education and school gardens, and deals with topics such as environmental protection, sustainable development and political consulting.

WELDEX GmbH 

Wohlen Ag · Since 2020

The core activity of Weldex is the planning, installation and maintenance of solar energy systems for private households and companies, including the provision of solar modules and charging stations for electric vehicles.

Welz Wasser- und Energietechnik AG 

Trogen · Since 2013

The core activity of Welz Wasser & Energietechnik AG encompasses the planning, installation and maintenance of heating, sanitary and climate technology systems. This includes, in particular, consulting, planning and installation of heat generation systems, such as heat pumps, as well as the renovation and servicing of existing systems. Furthermore, the company also offers services in the field of sanitary technology, such as planning and installation of bathrooms.

WeRec AG 

Gundetswil · Since 2014

The company's core activity is waste disposal and waste management, including planning, consulting, technology, logistics and services in the field of waste disposal. The company offers a comprehensive range of disposal solutions, from disposal planning and consulting to the sale and maintenance of disposal technology to disposal logistics with its own vehicle fleet.

WEREC Technik GmbH 

Gundetswil · Since 2008

WEREC Technik GmbH supplies and services technical waste-management equipment and provides related services including installation, maintenance and customer support. The company offers volume-reduction systems (presses, balers, compactors), kitchen waste treatment and vacuum systems, plus collection and logistics services for waste disposal and recovery aimed at hospitality customers.

WerkRaumKlima GmbH 

Lucerne · Since 2024

WerkRaumKlima GmbH provides interdisciplinary climate- and energy-focused engineering services for buildings and outdoor spaces, including energy concepts, building-envelope and systems simulations, and comfort and microclimate studies. The company uses a simulation-based design process to develop green building solutions that reduce resource use, support circular material strategies and optimise energy performance and occupant comfort.

Werner Büchel AG 

Oberriet Sg · Since 1993

The core activity of Werner Büchel AG consists of planning, installation, maintenance and repair of heating, sanitary and renewable energy systems, including oil burner service, solar and heat pump systems, as well as carrying out core drilling operations.

Wertstoff Schweiz AG 

Marbach Sg · Since 2012

Wertstoff Schweiz AG provides waste management services and environmental consulting for companies. Its services include trading and recovery of residual and recyclable materials, composting according to national composting regulations, mobile shredding and screening of waste, transport and site traffic services, landscaping and snow clearance.

Westbridge Advisory International AG 

Zurich · Since 2019

The core activity of Westbridge is to advise and implement sustainable solutions for the real estate industry, particularly in the areas of energy efficiency, digitalization, and sustainability. This includes services such as green building measures, energy procurement, sustainable operations management, metering concepts, and energy management systems. The company positions itself as a partner for property owners and managers to create a win-win situation where customers benefit while reducing CO2 emissions.

WeSub Suisse SA 

Lausanne · Since 2022

The core activity of WeSub is the development and implementation of solutions for the implementation of a Circular Economy and Subscription Economy for companies. This includes the development of technologies such as PriceCollector and PricePredictor, which enable the extension of the product life cycle and the prediction of product value. The company also offers consulting services to support companies in their transformation to a Subscription Economy.