Energy & Environment

Polyvoltark GmbH 

Schmerikon · Since 2021

The company Polyvoltark GmbH primarily deals with the planning, installation and optimization of photovoltaic and solar systems for private households and industrial facilities. They offer energy supply solutions, including emergency power boxes, solar optimizers, battery storage systems and e-charging stations for vehicles.

Portner-Elektro GmbH 

Neuenegg · Since 2020

The core activity of Portner-Elektro GmbH is the provision of electrical installation services.

Projets21 SARL 

Fribourg · Since 2023

The company Projets21 provides consulting and support services to businesses in the areas of sustainability, environment, quality, and digital transformation. The core activity of the company is to support businesses in integrating changes and optimizing their processes, particularly through the implementation of management systems and the achievement of certifications.

Prona AG 

Biel/Bienne · Since 1991

Prona AG is an engineering services provider offering consulting and planning in environmental protection, occupational safety and building physics. Its practice areas include buildings and settlements, industry and commerce, infrastructure and mobility, nature and landscape, and applied research, and it supports clients in the planning and implementation of new-build, maintenance and renovation projects.

Prona AG 

Basel · Since 2009

Prona AG is an engineering services provider specialising in environmental protection, occupational safety and building physics. It offers planning and implementation support for new-build, maintenance and renovation projects and provides specialist services such as environmental consulting, applied ecology, building physics, acoustics/noise control, soil protection, waste and building-pollutant management, UVP/UBB, GIS/BIM and ergonomics.

PVsyst SA 

Satigny · Since 2011

PVsyst SA develops and distributes software for the design and simulation of photovoltaic systems. Its product lineup includes PVsyst 8 and PVsystCLI, and it provides databases, technical support, training, and consulting services.

R & B STORES SÀRL 

Geneva · Since 2015

The core activity of R&B Stores Sàrl is the supply and installation of awnings, shutters, mosquito nets, grilles and gates, as well as solar screens. The company offers a wide range of interior and exterior awnings that meet both aesthetic and functional requirements, such as sun protection in summer and heat insulation in winter.

RCO Recycling Center Ostschweiz AG 

Zuzwil Sg · Since 2018

The core activity of RCO Recycling Center Ostschweiz AG is the processing, recycling and recovery of mineral materials such as mixed or concrete demolition waste, railway ballast and excavation materials, in order to produce high-quality new building materials for civil engineering and construction.

REI Renewable Energy Investments AG 

Basel · Since 2024

REI Renewable Energy Investments AG provides planning, supply and installation of photovoltaic systems, battery storage solutions, electric vehicle charging systems, heat pumps and contracting services.

REI Solar GmbH 

Basel · Since 2023

REI Solar GmbH is a solar energy company that plans, installs and maintains photovoltaic systems. The firm also provides battery storage systems, electric vehicle charging solutions, heat pumps and contracting offerings, and handles consultation, project planning and commissioning.

Reisswolf Aktenvernichtungs-AG 

Dällikon · Since 1984

The company's core activity is the secure disposal of sensitive data and documents, particularly through file shredding, data carrier destruction, archive clearance and X-ray film destruction, as well as the provision of security services and products to prevent data leaks.

REKA AG, Ablauf- und Kanalreinigung 

Chur · Since 2018

The core activity of REKA AG is the cleaning of pipes and channels, particularly the cleaning of clogged drains, channels or pipelines. Specific services include drain cleaning, maintenance of the pipeline network of residential areas, hotels and industrial facilities, as well as the use of modern machinery and service vehicles such as flushing vehicles, suction vehicles and pipe inspection cameras.

René Hugentobler AG 

Züberwangen · Since 1989

The core activity of Rene Hugentobler AG is the provision of services in the field of sanitation and heating, including the installation, repair, maintenance and modernization of heating systems, as well as the provision of photovoltaic solutions and burner services.

Rolli's Entsorgung 

Wangen An Der Aare · Since 2024

The core activity of Rollis Entsorgung encompasses the following areas: * Waste disposal service: Clearance and disposal of materials no longer in use, including moving clearance, complete clearance, and junk removal. * Cleaning service: Final cleaning and regular maintenance cleaning of properties, such as holiday apartments, offices, forecourts, and underground car parks. * Transport service: Carrying out small transports for private individuals and companies. Thus, the company offers a combination of waste disposal, cleaning, and transport services.

Röthlisberger Haustechnik AG 

Bützberg · Since 1983

Röthlisberger Haustechnik AG is a family-owned company specializing in building technology. The company's core activity encompasses the installation and maintenance of heating and sanitary technology as well as well construction services. Additionally, the company also offers training opportunities for apprentices in these areas.

RTB Regionale Technische Betriebe 

Wildegg · Since 2019

The company's core activity is the provision of services in the field of public utilities, particularly in the areas of electricity, water, construction, district heating, IT services and communication networks, as well as the provision of energy and services for municipalities and municipal institutions.

Sallin AG 

Tafers · Since 2018

Sallin AG is a building services company that provides planning, installation and maintenance of heating systems. The company designs systems in its technical office and installs and services heat pumps, solar systems and wood, oil and gas heating systems.

Schäfer Elektro GmbH 

Niederhünigen · Since 2000

Schäfer Elektro GmbH provides electrical installation services, including planning and installation of electrical systems for new builds and renovations in residential, commercial and agricultural properties, as well as industry installations for the food sector. The company’s services also include design, installation and maintenance of photovoltaic systems, communication and telematics (telephone/satellite), network installation and KNX building automation.

Schlichtherle + Gillner AG 

Wallisellen · Since 1984

The core activity of Schlichtherle + Gillner AG is the planning, consulting and execution of heating, solar and refrigeration systems.

Schmocker Sanitär-Heizung 

Beatenberg · Since 1998

Schmocker Sanitär is a flexible and innovative company specializing in the areas of sanitary, heating and solar energy. The core activities include: installation of new sanitary and heating systems, renovation and refurbishment of existing systems, repair and maintenance services for sanitary and heating systems, and planning and execution of projects in the field of solar energy. The company offers reliable and expert advice, planning and execution of projects in these areas.

Schneider Aarberg GmbH 

Aarberg · Since 2015

The core activity of Schneider Aarberg GmbH is the planning, installation, maintenance and repair of building technology systems, particularly in the areas of heating, cooling, ventilation and solar systems.

Schnyder Alfred, Grüngutverarbeitung 

Siebnen · Since 2015

The core activity of Grüngutverarbeitung Schnyder includes the professional disposal and processing of green waste, including: tree felling, stump grinding, green waste transportation, and green waste shredding. The company provides these services on-site, enabling the reuse of the processed green waste, thereby ensuring sustainability.

Schweizerische Energie-Stiftung 

Zurich · Since 1977

The core activity of the Swiss Energy Foundation (SES) is to promote a human and environmentally friendly energy policy. This includes in particular: Information work: SES provides background knowledge to the media, organizes events and publications, and raises public awareness of the problems of fossil and nuclear energy. Research: SES develops basic principles and positions on energy issues and commissions external studies. Lobbying: SES engages in dialogue with political institutions, authorities and other interest groups to achieve its goals. SES is committed to promoting renewable energy, reducing fossil and nuclear energy, and increasing energy efficiency and sufficiency.

Senn Recycling AG 

Brunnen · Since 1986

The company's core activity includes the production of gravel and granite stones, sewer and street cleaning, muckaway transport and excavation landfills, sorting and recycling of paper, scrap metal and metals.

Sigi-Gebäudehülle AG 

Diessbach B. Büren · Since 2021

The core activity of Sigi-Gebäudehülle AG encompasses the planning, execution and maintenance of work in the field of building envelopes, particularly: Roofing (roofing work), sheet metal work (metal work for roofs and facades), lightning protection (installation of lightning protection systems), carpentry (woodwork for roofs, facades and interior spaces), facade construction (construction and renovation of facades), and photovoltaics (installation of solar systems on roofs). In addition, the company also offers emergency services for bees, wasps and hornets, as well as apprenticeship training in the fields of roofing and sheet metal work.

Solarbau LOWEL GmbH 

Neuhausen Am Rheinfall · Since 2001

The core activity of solarbau LOWEL gmbh is the planning, installation and distribution of photovoltaic systems and battery storage systems.

Solar Clean GmbH 

Oensingen · Since 2022

The core activity of Solar Clean GmbH is the professional cleaning and maintenance of solar systems and photovoltaic systems to maximize their performance and energy yield. This includes the cleaning of solar modules, monitoring and optimization of solar systems, as well as the maintenance of photovoltaic systems to extend their lifespan.

Solar conseil Sàrl 

Sonceboz-Sombeval · Since 2020

The core activity of Solar conseil Sàrl is the planning, installation and distribution of solar systems, in particular photovoltaic systems, as well as consulting and implementing projects in the field of renewable energies.

Solarenergie Küng GmbH 

Wildegg · Since 2021

The core activity of Solarenergie Küng GmbH is the planning, installation, maintenance and servicing of photovoltaic systems (PV systems) as well as the provision of services in the field of solar energy, including monitoring, remote monitoring, cleaning, troubleshooting and after-sales service for PV systems.

Solarline-Güttinger AG 

Zurich · Since 1997

The company is active in building technology and offers services in the areas of plumbing, heating, solar technology and photovoltaics. The core activities include planning, implementation, repair and maintenance of building technology systems, including sanitary facilities, heating systems, solar thermal and photovoltaic systems.

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.