Energy & Environment

Smart Buildings AG 

Wil Zh · Since 2023

The company's core activity is the planning, installation and maintenance of renewable energy solutions, particularly solar systems and electromobility solutions such as charging stations. The company also offers battery storage systems and focuses on promoting a sustainable future through the use of renewable energies.

SolarTec Rheintal GmbH 

Lienz · Since 1999

The core activity of SolarTec Rheintal GmbH is the planning, construction and distribution of photovoltaic systems, including related services such as consulting, installation, maintenance and service. The company also offers additional services such as self-consumption analyses, energy optimizations and storage solutions.

Sortiergesellschaft Soges AG 

Uttigen · Since 1993

The core activity of SOGES AG is the professional and environmentally friendly disposal, sorting and recycling of construction waste. This includes, in particular, the separation, sorting and recycling of materials such as wood, mineral construction waste and construction site waste, with the aim of closing material cycles and conserving natural resources.

Spathelf Haustechnik GmbH 

Basel · Since 1996

The core activity of Spathelf Haustechnik GmbH encompasses the planning, installation, maintenance, and repair of building technology systems, particularly in the areas of: Sanitary (water pipes, drains, sanitary facilities), Heating (efficient and environmentally friendly heating systems), Solar systems (installation and maintenance of solar systems for hot water and heating), and Roofing work (gutters, skylights, roof renovations). The company also offers comprehensive renovation services for bathrooms and other building technology systems.

Stadelmann Energie & Haustechnik AG 

Escholzmatt · Since 2000

The core activity of Stadelmann Energie & Haustechnik AG is the planning, consulting and implementation of solutions for sanitary, heating, ventilation and solar systems. The company offers individual and sustainable overall solutions for private and commercial customers, covering the areas of bathroom and exhibition planning, sanitary and water installations, heating and ventilation technology as well as solar heat and power generation.

Stefan Zweifel AG 

Buchs Sg · Since 1981

Stefan Zweifel AG is a transport services company that, on behalf of municipalities, transports regional waste and recyclables such as green waste, cardboard, paper and scrap metal for recycling or further processing. The company sells and services containers, supplies underfloor containers (UFB) from OPTIWASTE and TRASHFOX, and operates a dedicated vehicle for cleaning underfloor containers.

Steiner AG, Dächer - Fassaden - Spenglerei 

Kesswil · Since 2002

The core activity of Steiner AG is the provision of services in the field of building envelopes, particularly in the areas of: Roofing (new construction, renovation, maintenance of pitched and flat roofs), facade cladding, sheet metal work (frames, shutters, lightning protection, rainwater collection), roofing work (under-roof, insulation, solar systems), and facade construction and renovation. The company thus offers a comprehensive range of services for the maintenance, renovation, and new construction of building envelopes.

StF Messerli AG 

Ins · Since 2004

The company's core activity is the provision of services in the field of building envelopes, particularly in the areas of roofs, facades and windows. The company offers fall protection, maintenance and renovation of buildings and has specialized equipment such as cranes and aerial lifts. It also deals with the installation of photovoltaic systems and offers corresponding services.

swisscleantech 

Zurich · Since 2008

Swisscleantech brings together climate-conscious companies and advocates for a CO2-neutral Switzerland. The company's core activity is to promote and support sustainable and climate-friendly business models, particularly in the areas of renewable energy, energy efficiency, and green logistics. Through collaboration with its member companies and sponsoring members, Swisscleantech aims to drive political and societal changes to achieve a climate-neutral Switzerland.

SWISS PV AG 

Deitingen · Since 2015

The core activity of SWISS PV AG is the development, production and distribution of solar modules and related components for mounting structures. The company also offers software solutions for the configuration of solar modules and systems.

TOQAPU I. Apaestegui Macedo 

Zurich · Since 2023

The core activity of Toqapu is to support artisans and traditional communities in the development and marketing of their products, particularly in the areas of textiles and design. This includes services such as market entry strategies, design workshops, product development, and cultural branding. The goal is to preserve and promote the traditional skills and practices of these communities, while also supporting ethical and sustainable production methods.

Trans Cycle Transport- und Recycling AG 

Neuenhof · Since 1998

Trans Cycle Transport- und Recycling AG provides transport and waste-management services, including PET and aluminium recycling, logistics and container handling. The company also supplies industrial transport and lifting equipment and operates workshop and fabrication services.

Trifolium SA 

Arogno · Since 2022

Trifolium SA is engaged in environmental consulting and engineering, particularly in the fields of agriculture and rural areas. The core activities include the development of projects that link agriculture with nature conservation and landscape management. This also includes the preparation of studies, consulting and the implementation of projects in the field of environmental planning and development.

Vaud Détartrage Sàrl 

Montpreveyres · Since 2009

The core activity of the company "Vaud Détartrage" consists of performing maintenance and repair work on sanitary facilities, particularly in the field of détartrage (descaling) of water pipes, heating systems and hot water tanks. This also includes the installation and maintenance of water softening systems, the removal of lime deposits in pipes and fittings, as well as the execution of emergency repairs.

Verein PRS PET-Recycling Schweiz 

Zurich · Since 1993

The core activity of PET-Recycling Schweiz is the recycling of PET beverage bottles. To this end, the company operates a dense network of collection points in Switzerland, develops modern recycling processes and promotes the circular economy. The activities include the collection, transportation, sorting, recovery and production of recycled PET (R-PET). The goal is to close the PET cycle in Switzerland and protect the environment.

Volta Swiss Sàrl 

Epalinges · Since 2022

The core activity of Volta Swiss is the development and distribution of renewable energy solutions, particularly in the field of solar energy and hydrogen technology. This includes the installation of solar systems, the manufacture and distribution of solar panels, solar inverters, storage batteries and hydrogen storage systems, as well as the development of solutions for the storage and use of renewable energy.

Waldgenossenschaft unteres Entlebuch 

Ebnet · Since 2006

Waldgenossenschaft unteres Entlebuch provides services related to forest and wood management, including timber marketing, harvesting organisation, wood logistics, forest advisory services, training courses in timber harvesting, and involvement in district heating projects.

W. Durrer, Dach und Wand AG 

Alpnach Dorf · Since 1978

The core activity of W. Durrer Dach & Wand AG is the provision of services in the field of roofing and wall work, including: facade work, flat and pitched roof work, photovoltaic systems, and sheet metal work. The company thus offers comprehensive solutions for the needs of builders and renovators in the field of roofing and walls.

Werkbetriebe Wynau (WBW) 

Wynau · Since 2009

Werkbetriebe Wynau (WBW) is an enterprise responsible for energy supply. It operates the electricity supply and provides information on tariffs, applications and business reports.

Wild und Partner AG, Ingenieurunternehmung für Heizung, Lüftung, Klima- und Sanitärtechnik 

Appenzell · Since 1975

Wild und Partner AG, Ingenieurunternehmung für Heizung, Lüftung, Klima- und Sanitärtechnik is an engineering firm providing planning, installation and maintenance services for heating, ventilation, air conditioning and sanitary systems. Services include concept and execution planning, cost estimates, project documentation, technical coordination, permit handling and repair/maintenance for residential, industrial and commercial projects.