Energy & Environment

Technische Betriebe Seon AG 

Seon · Since 2017

The core activity of Technische Betriebe Seon AG is to supply customers with various forms of energy and services, in particular: electricity supply, water supply, wastewater disposal, and district heating supply. The company also offers various services such as meter reading, safety inspections, and consulting. As a municipal utility company, it provides the infrastructure for the basic supply of the population in Seon and its surroundings.

tera solar sa, succursale de Vaud 

Crissier · Since 2024

tera solar sa, succursale de Vaud provides photovoltaic and solar energy systems for private and commercial customers, including project planning, installation and maintenance. Services include solar panels, battery storage, electric vehicle charging stations, solar carports, and contracting and self-consumption solutions.

tera solar sa 

Thônex · Since 2022

tera solar sa is a company that designs, supplies and installs photovoltaic solar systems. Its services include solar batteries, electric vehicle charging stations, solar carports, contracting and self‑consumption solutions, offered as turnkey projects with financing options primarily for clients in French‑speaking Switzerland.

tera solar sa, succursale du Valais 

St-Pierre-De-Clages · Since 2024

tera solar sa, succursale du Valais provides turnkey photovoltaic systems, battery storage, EV charging stations and solar carports. The branch serves private and commercial clients with services including contracting and solutions for self-consumption.

TMF Extraktionswerk AG 

Bazenheid · Since 1968

The core activity of TMF Extraktionswerk AG is the disposal of animal waste, particularly carcasses and by-products, as well as the production of renewable energy and the manufacture of meal and fat as fuel for industrial processes. The company also offers a carcass collection service and is active in disease control and prevention.

Trinkler SA 

Savosa · Since 1988

Trinkler SA provides electrical installations and technical services for residential and industrial buildings, covering system design, installation, safety measures and RaSi certification. Services include custom photovoltaic systems with energy storage, electric vehicle charging stations, KNX home/building automation and emergency electrical interventions.

U. Brauchli AG 

Romanshorn · Since 1974

The company's core activities include sewer cleaning, pipe cleaning, sewer television, manhole emptying, street cleaning and transportation. Thus, the company offers a wide range of services in the field of disposal, cleaning and maintenance of sewers, pipes and roads.

Valkontroll GmbH 

Gluringen · Since 2000

The core activity of Valkontroll is the planning, installation and maintenance of electrical systems and installations, including high-voltage, low-voltage, TV, data systems, KNX and DALI lighting controls. The company also offers services in the field of renewable energy, such as photovoltaics and hydroelectric power, as well as electromobility and remote control. In addition, Valkontroll carries out repairs and inspections of electrical systems and offers consulting and planning services for lighting installations and other electrical engineering projects.

Verband Schweizerischer Elektrizitätsunternehmen (VSE) 

Aarau · Since 2003

The company's core activity is energy supply and production, particularly in the electricity sector. The company is an energy supplier that deals with the production, distribution and marketing of electricity. It is also committed to the energy transition and the promotion of renewable energies.

Verein Arbeitslosenprojekte St. Gallen 

St. Gallen · Since 2022

The core activity of the company "kleika" is the operation of unemployment projects focusing on the areas of second-hand, creative studio, shop, studio and workshop. The company offers jobs and training positions for unemployed people and promotes reintegration into the labor market. The projects include, among other things, the sale of second-hand items, the production of upcycling products and the implementation of courses and workshops.

Walter Lüchinger AG 

Widnau · Since 2022

The company's core activity is the planning, execution and maintenance of building technical systems, particularly in the areas of sanitation, heating, air conditioning and ventilation, as well as energy management and optimization for industrial and commercial enterprises.

Willy Gysin AG 

Liestal · Since 1975

The core activity of Willy Gysin AG encompasses three main areas: 1. **Electrical Installations**: The company offers comprehensive services in the field of electrical installations, ranging from simple power outlets to complex energy distribution systems and infrastructure. 2. **Telecommunications**: Willy Gysin AG plans and installs telecommunications solutions, from the installation of a single telephone to complex network solutions. 3. **Photovoltaics**: The company provides services in the field of photovoltaics, including the planning and installation of solar power systems. Overall, Willy Gysin AG offers a wide range of services in the fields of electrical engineering, telecommunications, and renewable energy.

Wullschleger Kanalreinigung AG 

Affoltern Am Albis · Since 2003

The core activity of Wullschleger Kanalreinigung AG includes sewer cleaning, particularly cleaning, flushing and suction work, as well as dry conveying, including suction and blowing of various materials, such as gravel and roofing substrates.

Wyss Sanitär Heizung GmbH 

Matzendorf · Since 2011

Wyss Sanitär Heizung GmbH is a family-run building services company offering plumbing installations, heating systems, bathroom renovations, and water-supply and pipeline work. The company performs new-build and conversion projects and provides planning and implementation support for heating and sanitary installations.

ZAV Recycling AG 

Hinwil · Since 2013

The core activity of ZAV Recycling AG is the thermo-recycling of waste, which combines thermal decomposition of waste with a new processing technology to recover valuable raw materials such as metals and mineral components, while minimizing environmental impact by reducing landfill disposal and saving heating oil.

Zwicky Kanalreinigungen AG 

Hinwil · Since 2011

Zwicky Kanalreinigungen AG provides sewer and pipe cleaning services including high-pressure water jetting, mechanical clearance of blockages and surface/area cleaning. The company also carries out CCTV inspections with video recording, pipeline locating and leak testing in accordance with SIA 190.

AABA AG 

Bremgarten Ag · Since 2002

The core activity of AaBa AG is the disposal of used tires. The company offers customized services for the proper disposal of used tires, strictly adhering to applicable regulations and maintaining the highest environmental standards.

Aargatec GmbH 

Lenzburg · Since 2022

The core activity of Aargatec GmbH is the planning, installation and maintenance of photovoltaic systems (PV systems) as well as energy consulting and management in the field of renewable energies. The company also offers services such as project accompaniment, project management, energy consulting, self-consumption pooling, electromobility, storage systems and energy management software.

AEK Pellet AG 

Balsthal · Since 2003

The core activity of AEK Pellet AG is the production of wood pellets as a renewable fuel for heating purposes. The company processes untreated sawdust into high-quality pellets, which are marketed under the AEK-Pellets brand.

Affolter Spenglerei GmbH 

Bern · Since 2017

The core activity of Affolter Spenglerei is the provision of services in the field of sheet metal work, particularly in the areas of: sheet metal work (skylights, roof windows, drainage, metal facades, chimney cladding), roofing (roof renovations, pitched roofs, flat roofs, metal roofs, roof maintenance), solar (individual solar solutions for roofs, in-roof systems, on-roof systems, consulting, planning), and lightning protection (air terminal, down conductor, earthing, testing). The company offers these services as a craft business and complements traditional techniques with modern methods.

AKASAN AG Kanalsanierung 

Wängi · Since 2015

The core activity of Akasan AG is sewer rehabilitation and maintenance, including services such as: GFK UV-lining, house connection lining, robotic rehabilitation, high-pressure water rehabilitation, manual rehabilitation, sewer cleaning, and analysis and inspection of sewer systems. The company offers these services to private and public clients, including municipalities and large construction sites.

alsol ag alternative energiesysteme 

Frauenfeld · Since 1999

The core activity of the company "alsol ag alternative energiesysteme" is the planning, installation and maintenance of solar power systems, including the construction of solar installations on roofs and facades, as well as the provision of related services such as consulting, planning and service contracts.

APS Altpapier Service Schweiz AG 

Perlen · Since 2017

The core activity of APS (Altpapier Service Schweiz) is the collection, sorting and recycling of waste paper and cardboard. The company advises municipalities, printing plants, trade, waste management companies and industry on the recycling of waste paper and cardboard and organizes the entire logistics from the point of origin to recycling. APS ensures that the collected waste paper is recycled into newspaper and magazine paper at the Perlen paper mill in Lucerne.

arento AG 

Hinwil · Since 2007

The core activity of arento ag is energy-efficient and ecological residential construction, in particular the planning and building of plus-energy houses and climate-friendly buildings using solar architecture and natural building materials.

AST Birrer GmbH 

Pieterlen · Since 1995

The core activity of AST-Birrer GmbH is the collection, transportation and disposal of special waste, in particular oil-containing waste. The company offers a 24-hour emergency service for the collection and disposal of special waste, supporting both private customers and public institutions such as fire departments and police forces.

Auto Moderne AG 

Gossau Sg · Since 1979

The core activity of Auto Moderne AG is vehicle recycling, i.e. the recycling of cars.

Bocherens Toiture Sàrl 

Bussigny · Since 2022

The core activity of Bocherens Toiture Sàrl is to provide services in the field of roofing and roof management, including: roofing, underlayment, sheet metal work, roof maintenance and repair, roof protection, skylights, solar panels, and roof renovation. The company thus offers a comprehensive range of services for the maintenance, renovation, and new construction of roofs.

Boos Wärmetechnik GmbH 

Effretikon · Since 2003

The core activity of Boos Wärmetechnik GmbH is the planning, installation, maintenance and repair of heating systems, sanitary and solar systems. The company also provides services in the field of building technology, including the conversion of existing heating systems and the installation of thermal solar systems.

Caìscio Compost Sagl 

Lamone · Since 1995

The core activity of Caìscio Compost is the production of high-quality compost from plant-based waste, enriched with effective microorganisms (EM) to enable a natural and accelerated decomposition of organic waste.

candi solar AG 

Zurich · Since 2018

The company Candi Solar AG offers customized solar solutions for businesses, including financing, engineering, installation and management of solar systems. The core activity of the company is to support businesses in switching to renewable energy sources by taking over the planning, installation and maintenance of solar systems and offering flexible financing options to reduce energy costs for businesses.

CIMO Compagnie industrielle de Monthey SA 

Monthey · Since 1996

The core activity of CIMO Compagnie industrielle de Monthey SA encompasses a wide range of services and activities, primarily focusing on environmental protection, industrial services, and training. Specific activities include: treatment of liquid waste, laboratory services, occupational medicine, safety and rescue services, engineering services, construction and maintenance, printing, and continuing education and training. The company offers these services both for its own needs and for external clients, with a strong emphasis on promoting synergies among various industry players.

CTDS SA 

Aire-La-Ville · Since 1993

The core activity of CTDS SA consists of the recovery, recycling and treatment of special waste, in particular hazardous waste, as well as the logistics, analysis and disposal of these waste. The company offers specialized services for the treatment of various types of hazardous waste, such as solvents, wastewater, acids and bases, and ensures that these waste are disposed of in compliance with legal regulations and environmental standards.

CUONY, DAFFLON S.A. 

Treyvaux · Since 1972

The core activity of Cuony Dafflon is the installation, maintenance and repair of sanitary facilities, heating systems and solar thermal systems. This includes in particular: sanitary installations (bathrooms, kitchens, etc.), water supply, heating systems (including oil-fired boilers, gas-fired boilers, wood-fired boilers and solar heating), heat pumps, ventilation, and maintenance and repair of sanitary facilities and heating systems. The company offers its services in the cantons of Fribourg and Vaud.

David Sun Energie Solaire Sàrl 

Bussigny · Since 2020

The core activity of Davidsun is the installation, maintenance and repair of photovoltaic systems, including the planning, assembly and commissioning of solar modules on various types of roofs, as well as the provision of service and maintenance services after installation.

Del Moro Sàrl 

Echallens · Since 2005

Del Moro Sàrl is a company that specializes in the installation of heating, plumbing and air conditioning systems, as well as renewable energy systems. It offers a wide range of services, including the installation, maintenance and repair of heating, plumbing and air conditioning systems, as well as consulting and planning of projects in the field of renewable energies.

DHP Technology AG 

Landquart · Since 2015

The company's core activity is the development, production and planning of solar roofs for various fields of application such as wastewater treatment plants, parking areas, motorway rest stops and logistics areas. The company offers innovative energy solutions for the successful management of these areas and develops state-of-the-art energy supply systems.

Dietrich Spenglerei GmbH 

Balgach · Since 2002

The core activity of Dietrich Spenglerei GmbH encompasses four main areas: 1. Sheet Metal Work: The company offers services in the field of sheet metal work, which includes the manufacture and processing of metal parts and constructions. 2. Sanitary: Dietrich Spenglerei GmbH also provides sanitary services, including the installation and maintenance of sanitary facilities. 3. Photovoltaics: The company is also active in the field of photovoltaics and offers services related to the planning, installation, and maintenance of solar systems. 4. Lightning Protection: Furthermore, Dietrich Spenglerei GmbH also provides lightning protection services, including the installation and maintenance of lightning protection systems.

DM GmbH 

Dübendorf · Since 2005

The company's core activity includes the planning, installation, maintenance and repair of heating systems, sanitary facilities, ventilation systems and wall and floor coverings. The company also offers bathroom renovations and tile work. It is a service company specializing in the areas of heating, sanitation, ventilation and floor and wall coverings, serving both private and public customers.

EcoServe International AG 

Buchs Ag · Since 1987

EcoServe International AG provides consulting, training and operational services related to hazardous waste, dangerous goods and chemical safety. Services include tailored concepts for collection, storage, transport and compliant disposal, pickup and management of special waste collection points, clearance of hazardous-material stores, and a shop offering manuals, software and disposal equipment.

Elektrizitätswerk Obwalden 

Kerns · Since 1972

The company's core activity is the production and distribution of electricity and heat from renewable energy sources, particularly from hydroelectric power plants and photovoltaic systems. This also includes energy services such as energy consulting, photovoltaic contracting and maintenance services. In addition, the company offers telecommunications services, including internet access and data networks.

Elektrizitätswerk Schmerikon AG 

Schmerikon · Since 1947

The core activity of EW Schmerikon AG primarily encompasses electricity distribution, electrical installation, and the real estate sector. More specifically, the company offers the following services: Electricity distribution: Maintenance and renewal of electricity grid infrastructure, metering and billing; Electrical installation: Installation and inspection of electrical systems, e-mobility and energy consulting; Real estate: Acquisition, sale and management of real estate properties, area development and construction company. The company thus positions itself as an energy supplier, electrical installer and real estate provider.

Elektro Fries GmbH 

Dallenwil · Since 2008

The core activity of Elektro Fries GmbH is the provision of electrical services, including: * Building technology * Installation and maintenance of solar systems * Lighting * IT systems and networks * Communication systems * Repairs * Installation of electric vehicle charging stations. The company thus offers a wide range of electrical services for private and business customers.

Elektro Reist AG 

Grünen · Since 1988

The company Elektro Reist AG is a specialist electrical retailer offering a wide range of services in the field of electrical engineering. The core activities include: installation, repair and maintenance of household appliances and electrical systems; planning and execution of new and renovation projects in the field of electrical engineering; manufacture of custom-made lighting and lamps; installation of multimedia systems; assembly and commissioning of photovoltaic and energy storage systems; and the sale of electrical appliances and accessories. The company thus offers a comprehensive range of services in the field of electrical engineering, covering the needs of private individuals, companies and institutions.

Eltech System Sàrl 

Aigle · Since 2011

The core activity of Eltech System Sàrl is the provision of services in the field of electrical engineering, particularly in the following areas: electrical installation, building automation, security systems, photovoltaics, electromobility, lighting, and home automation. The company also offers services such as troubleshooting (repair) and consulting.

Emmenhof Energie AG 

Derendingen · Since 2020

Energiewendegenossenschaft 

Interlaken · Since 2013

The core activity of the company 'Energiewendegenossenschaft' is the promotion and implementation of projects in the field of renewable energies, particularly photovoltaics. The company provides services and expertise in the field of photovoltaic system construction and is committed to the energy transition.

EWD 

Derendingen · Since 2005

The core activity of EWD (Energie- und Wasserversorgung Derendingen) encompasses the supply of households and businesses with electricity, water, and fiber-optic internet. This includes the provision of electricity and water supply, maintenance and upkeep of lines and infrastructure, as well as the provision of services such as household installation checks and street lighting.

Excellence Kanal Service AG 

Muttenz · Since 2010

The core activity of Excellence Kanal Service AG is the provision of services in the field of sewer cleaning, sewer inspection and sewer rehabilitation, including specific services such as pipe and drain cleaning, sewer television, tightness testing, pipeline location and manhole emptying.

Feuz Gebäudetechnik GmbH 

Trübbach · Since 2006

The core activity of Feuz GmbH is building technology, particularly the planning, installation and maintenance of heating, sanitary and photovoltaic systems, as well as the provision of services in the field of building technology.

Fondation Castanea 

Bex · Since 1999

The core activity of Castanea is the promotion and support of chestnut culture in Chablais, particularly through the maintenance and management of chestnut groves, the selection and production of chestnut plants, the conduct of experiments and research on various chestnut species and treatments, as well as the provision of facilities and infrastructure for the members of the cooperative, such as the Maison de la Châtaigne in Bex.