Energy & Environment

WRA Schweiz, Naturkläranlagen AG 

Visp · Since 1998

W. Rokitzky AG 

Wallisellen · Since 1987

The core activity of W. Rokitzky AG is the planning, installation, maintenance and servicing of heating, ventilation, air conditioning and sanitary systems, as well as the integration of renewable energies. This also includes a standby service and the performance of maintenance and repair work on these systems.

W. Rokitzky AG 

Winterthur · Since 2023

W. Rokitzky AG is an owner-operated trade company providing planning, installation, renovation and maintenance of heating, cooling, ventilation, air-conditioning and sanitary systems. The company also delivers service and on-call emergency support, consulting and expert reports, and integrates renewable technologies such as heat pumps and thermal solar systems into building services.

WSBA GmbH Wertstoffbewirtschaftung 

Zurich · Since 2008

The core activity of WSBA (Wertstoffbewirtschaftung GmbH) is the consulting and optimization of material flow and waste management processes for companies. This includes the analysis and evaluation of materials and waste, the development of company-specific solutions for the disposal and recycling of materials, as well as the guarantee of maximum value creation and cost optimization in the disposal process.

WST Solar GmbH 

Herrenschwanden · Since 2001

Wunderli Management AG 

Küsnacht Zh · Since 2004

Wunderli Management AG provides energy business consulting and implementation services for energy projects, including energy strategy development, project management, and business-case development and implementation for battery storage, PV contracting and energy optimisation. The company collaborates with a network of partners for energy contracting, heat pumps, PV systems, ZEV/vZEV setups and billing, PPA and e‑mobility infrastructure.

wupservice GmbH 

Emmenbrücke · Since 2022

The core activity of WUP Service GmbH is the procurement, sale and reuse of pallets, particularly Euro pallets, as well as providing services related to pallet logistics and recycling. This includes: the purchase and sale of new and used pallets; the acquisition of pallet stocks from companies and private customers; the execution of pallet exchange transactions; and the collection and reuse of pallets to free up storage space and create a sustainable added value for companies.

WVN Wärmeverbund Niederhünigen GmbH 

Niederhünigen · Since 2021

WVN Wärmeverbund Niederhünigen GmbH produces, distributes and sells heat energy using a combustion plant and an associated pipeline network. The company uses wood from the nearby forest as fuel.

W&W, Waste&Watt Sàrl 

Petit-Lancy · Since 2018

The company W&W (Waste & Watt) offers solutions for sustainable development, particularly in the areas of energy efficiency and waste management. The core activities include: energy audits and optimization for companies and municipalities, development of strategies for reducing energy consumption and waste, implementation of measures to increase energy efficiency and promote renewable energies, and consulting and support for the implementation of sustainable solutions for companies, municipalities, and private individuals. W&W's core activities focus on supporting companies and municipalities in implementing the 2050 strategy and reducing their ecological footprint.

WWZ Energie AG 

Zug · Since 2001

WWZ Energie AG is a utility and service provider offering energy, telecommunications, e-mobility and drinking water services. Its offerings include electricity and gas, heating/cooling contracting, fiber Internet, TV, mobile and fixed-line services, charging solutions and water infrastructure.

WWZ AG 

Zug

WWZ AG provides services in energy, telecommunications, water and e‑mobility, including electricity, gas, heat/cooling and drinking‑water services. Its portfolio also includes internet, TV, fixed‑line and mobile services, smart metering and charging infrastructure for electric vehicles.

Wyder Solar GmbH 

Sins · Since 2013

Wyder Solar GmbH provides consulting, planning and installation of solar projects, including photovoltaic systems and solar hot‑water installations, and integrates storage, e‑mobility and smart‑home solutions in holistic planning. The company also performs building‑envelope work such as pitched and flat roofs, facades and modernization projects, and offers monitoring via a Solarlog portal.

Wymaro GmbH 

Amriswil · Since 2007

The core activity of Pangas Gas & More is the marketing and distribution of gases and related products as well as services in the areas of gas supply, welding technology, barbecue equipment and camping gear.

Wyna Energie AG 

Reinach Ag · Since 2010

The company offers a wide range of services and products in the fields of energy, telecommunications, electrical installations, and building automation. The core activities include: energy consulting and services for private individuals and companies, including energy efficiency optimization and consulting; planning, installation, and maintenance of solar systems and other renewable energy sources; electrical installations and services, including building automation and rental equipment; telecommunications services, including internet, telephony, and data transmission; network services, including transformer stations, public lighting, and gas installations; and digitalization services, including cloud computing, data center housing, and VoIP solutions. The company thus offers a comprehensive range of services and products tailored to the needs of private individuals, companies, and the public sector.

WYSolar GmbH 

Oberentfelden · Since 2018

The core activity of WYSolar GmbH is the planning, consulting, installation and maintenance of photovoltaic systems (solar systems) as well as the provision of storage systems for renewable energies. Additionally, the company offers services in the field of E-Mobility, including the installation of charging stations for electric vehicles.

Wyss Academy for Nature at the University of Bern 

Bern · Since 2020

The core activity of Wyss Academy for Nature at the University of Bern is research, development and implementation of solutions for the conservation and sustainable use of nature, particularly in the areas of environment, energy and economy. The company focuses on promoting sustainable entrepreneurship, empowering indigenous populations and developing strategies to address environmental problems such as wildfires. It works closely with partners from various fields and has regional hubs in Bern, East Africa, Southeast Asia and South America.

Wyss Electro-Support 

Mels · Since 2013

The core activity of Wyss Electro-Support is the provision of services in the field of photovoltaics.

Wyss Transporte + Entsorgung GmbH 

Dulliken · Since 2019

The core activity of Wyss Dulliken encompasses three main areas: 1. **Agriculture**: The farm spans 34 hectares and is managed with a focus on animal welfare. 2. **Green waste collection and processing**: The company collects garden waste and processes it into high-quality fertilizer. 3. **Waste collection and disposal**: Wyss Dulliken is responsible for waste collection in the municipality of Dulliken and also offers trailer rentals for garden waste disposal.

Wytor AG 

Laupen Zh · Since 1999

The core activity of Wytor AG is the development, production and marketing of algae products and plant aids for agriculture and horticulture. This includes in particular the manufacture and distribution of products such as Glenor KR+, Litho KR+, Granulit KR+, Coralite KR+ and other algae products, which are used as fertilizers, soil conditioners and plant strengthening agents.

Xenviro AG 

Zollikon · Since 1992

The core activity of Xenviro AG involves developing and applying customer-specific problem solutions in the following areas: oil contamination decontamination, oil pollution cleaning, irreversible binding of heavy metal contamination, and disinfection: removal of bacteria, viruses and other microorganisms.