Energy & Environment

Oeko-Service Schweiz AG 

Möhlin · Since 1955

The core activity of SDK Swiss is the disposal and recycling of waste and recyclable materials, as well as consulting and education in the field of sustainable waste management. The company offers disposal solutions for private households and businesses and operates an academy for training and further education in the field of waste management.

ProWatt Sàrl 

Bulle · Since 2023

The core activity of ProWatt Sàrl is the planning, implementation and maintenance of installations for renewable energies, in particular: solar energy installations (photovoltaics), battery storage systems, charging stations for electric vehicles, and maintenance and repair of solar energy installations and other renewable energy installations. The company also offers consulting and planning services for the implementation of energy projects and supports customers in selecting and implementing suitable energy efficiency solutions.

Romande Energie SA 

Morges · Since 1904

Romande Energie SA is a multi‑service energy provider that supplies electricity and operates renewable electricity and heat production. The company manages electrical networks and offers services such as solar generation and producer support, electric vehicle charging solutions, district heating, energy efficiency advice, and connection and billing services for households, businesses and municipalities.

Saudan Immo AG 

Solothurn · Since 2007

The core activity of Saudan AG includes the planning, installation, maintenance and repair of: Sanitary and heating systems (including heat pumps, solar heating, pellet, wood chip, gas and oil heating systems); Metalwork (including custom bending, cladding, roof edges, frames, gutters, downspouts and complex folded roofs); Flat roof and green roof solutions. The company also offers comprehensive services in these areas, including consulting, planning, installation and maintenance.

Schäppi & Meier AG 

Bassersdorf · Since 1994

The core activity of Schäppi & Meier AG is the planning, organization and coordination of bathroom renovations, heating systems and sanitary technology, including the installation and maintenance of heating and sanitary systems. The company offers comprehensive services in building technology, from planning to execution and service, and specializes in modern bathroom architecture and sanitary and heating technology.

Solar Manager AG 

Muri Ag · Since 2022

The core activity of Solar Manager is the development and distribution of software and hardware solutions for optimizing the self-consumption of solar energy in single-family and multi-family homes. This includes, in particular, the visualization and optimization of energy consumption, the control of solar systems, the integration of heat pumps and e-mobility solutions, as well as the provision of gateways and other hardware components.

Solstis Energy AG 

Solothurn · Since 2023

The core activity of Solstis Energy AG is the planning, installation and maintenance of holistic solar solutions for private and business customers, including consulting and sales of solar systems and energy storage systems, with the goal of contributing to the energy transition and sustainable energy supply in Switzerland.

VALORSA S.A. 

Penthaz · Since 1996

The core activity of Valorsa is the collection, transportation, sorting, recycling and disposal of household waste for 95 municipalities in the western part of the canton of Vaud in Switzerland.

Altola AG 

Olten · Since 1975

The core activity of Altola is the disposal and recycling of special waste, including electrical and electronic waste, as well as the provision of secondary fuels and raw materials. This also includes services such as logistics, collection and recycling of special waste in the garage industry, the mineral oil and machine industries, as well as the treatment of industrial wastewater.

CaliSolar.ch GmbH 

Sachseln · Since 2015

The company CaliSolar.ch GmbH develops and distributes solar systems, inverters, lithium batteries and accessories for motorhomes, particularly for the VW California and the Mercedes Marco Polo. It also offers specialized workshop services for autonomous systems and electrical components for motorhomes.

Genossinnen- und Genossenschaft Oekoladen 

Basel · Since 1995

The core activity of Oekoladen Basel is the trade in ecological and sustainable products, particularly in the areas of food, household goods, cosmetics and care products, as well as consulting and sales of products for babies and children.

Glattal Installationen AG, Elektro + Telekommunikation 

Glattbrugg · Since 1999

The core activity of Glattal Installationen AG is the planning, installation and maintenance of electrical systems, particularly in the field of building technology and sustainable energy, as well as the provision of services in the areas of high-voltage and telematics.

Heinz Schmid AG Elektro-Anlagen 

Winterthur · Since 1980

The core activity of Heinz Schmid AG is the provision of services in the field of electrical engineering, particularly in the following specific areas: electrical installation, photovoltaics (installation of solar systems), charging stations (for electric vehicles), e-mobility (electromobility), and fiber optics (installation of fiber optic cables). The company offers these services as an electrician in Winterthur and has specialized in the installation and maintenance of electrical systems.

Montalta Umwelt + Recycling AG 

Rueun · Since 1991

MM Aufbereitung und Recycling AG accepts, sorts and processes waste and recyclable materials from households and commercial/industrial customers, provides environmentally compliant disposal and produces recycled construction materials for reuse in the material cycle.

Retripa Crissier SA 

Crissier · Since 2005

Retripa Crissier SA is a waste management and recycling company offering collection, sorting, recycling and valorization services for recoverable materials. The company provides logistics and container solutions across the value chain—from collection to the sale of secondary raw materials—and holds certifications including EcoEntreprise “Excellence” and ISO 9001, ISO 14001 and ISO 45001; confidential document destruction follows DIN 66399 P-4.

RETRIPA VALAIS SA 

Monthey · Since 2001

RETRIPA VALAIS SA provides collection, transport, sorting and recovery services for waste and recyclable materials. The company supplies containers and compaction equipment, operates sorting and transfer sites, and offers waste-management and recycling solutions for municipalities and businesses.

Retripa SA 

Vernier · Since 1991

Retripa SA provides collection, sorting, recycling and valorization services for waste, along with containers and logistical solutions for municipal and commercial clients, managing the recycling chain from collection to sale of secondary raw materials.

Scherrer Metec AG 

Zurich · Since 2004

The core activity of Scherrer Metec AG encompasses the planning, design and execution of integral building envelopes, including: metal roofing (e.g. restoration of historic buildings, modern steep and flat roofs, stairs, bicycle stands), metal construction (e.g. facades, doors, windows), timber construction (e.g. roof trusses, wall and ceiling structures), photovoltaics (e.g. planning and installation of solar systems), roof services (e.g. maintenance and repair of roofs), and radiation and sound protection (e.g. planning and implementation of protection measures for industrial plants and medical facilities). The company offers these services from a single source and positions itself as a comprehensive provider of roof and facade solutions.

Solarix GmbH 

Gerlafingen · Since 2023

The core activity of Solarix AG is the planning, consulting, installation and maintenance of solar systems, as well as the trade in photovoltaic components and storage solutions. The company also offers services in the field of Smart Energy and supports customers in using solar energy to reduce their electricity costs and think sustainably.

StWZ Strom AG 

Zofingen · Since 2001

StWZ Strom AG supplies electricity and related energy services, including retail electricity products, feed-in remuneration for solar power and Smart Meter solutions. The company also provides online customer services (billing, meter readings, customer portal) and advisory services on self-consumption and photovoltaic systems.

StWZ Wasser AG 

Zofingen · Since 2001

StWZ Wasser AG supplies drinking water and provides associated services, including information on water quality and origin, tariffs and installation inspections. The offering also includes groundwater level monitoring, guidance on water saving and customer service/contact channels.

Transport AG Aarau 

Buchs Ag · Since 1983

The company's core activity is the disposal and recycling of waste, including recycling, sorting and recovery of valuable materials, as well as the cleaning of infrastructure such as pipes, shafts and roads. The company provides comprehensive services for industry, construction, trade and commerce, as well as for private suppliers and municipalities.

Zenobini AG 

Mellingen · Since 2008

The company's core activity encompasses the planning, installation and maintenance of sanitary and heating systems, including the provision of solutions for renewable energy, ventilation and air conditioning. The company offers a wide range of services, including sanitary services, heating services, boiler descaling, inspection and maintenance contracts, as well as the renovation of bathrooms, pipes, heating and ventilation systems.

Histoire sans chute 

Geneva · Since 2025

The core activity of the company 'Histoire sans chute' is the collection, repair, reuse and transformation of used textiles and clothing items, in order to offer a sustainable and environmentally friendly alternative to the traditional fashion industry. The company aims to extend the lifespan of textiles, reduce waste and promote a community that advocates for sustainable fashion.

ABDB débarras Berisha 

Conthey · Since 2019

ABDB débarras Berisha provides clearance and cleaning services, including house and apartment clearances, cellar and attic removals, and end-of-lease and post-construction cleaning. The company serves private and professional clients (e.g. estate clearances, business closures) and deducts recoverable items by reselling them through its second-hand shop to offset the service cost.

ABDB Débarras Sàrl 

Conthey · Since 2021

ABDB Débarras Sàrl provides clearance and cleaning services for private and professional clients. Services include clearances after death, moves to care homes, hoarding (Diogenes) cases, end-of-lease and post-construction cleaning; recoverable items are resold through their second‑hand shop (ABDB brocante) and deducted from the service cost.

Aemme Elektro GmbH 

Signau · Since 2015

The core activity of Aemme Elektro is the provision of electrical installation services, including high-voltage installation, Smart Home/Connected Home, telecommunications, photovoltaics and lighting technology.

ALLSOL GmbH 

Reinach Bl · Since 2009

The core activity of allsol GmbH is the planning, installation and maintenance of renewable energy systems, in particular photovoltaic systems, energy storage systems, heat pumps, wood heating systems, solar thermal systems and gas condensing systems, as well as the provision of services in the field of energy transition, such as yield optimization, self-consumption optimization and e-mobility.

ASA-Service AG 

St. Gallen · Since 1996

The company's core activity is pipeline and sewer cleaning, particularly in Eastern Switzerland.

Elektro Danuser GmbH 

Eschenbach Lu · Since 2019

The core activity of Elektro Danuser GmbH is the planning and installation of electrical systems, including: electrical installations (high and low voltage), PV installations (photovoltaic systems), smart home systems, lighting systems, and IT, network and telephone systems. The company also provides consulting and service in these areas.

ELKA Energy Sàrl 

Neuchâtel · Since 2023

The core activity of ELKA Energy is the planning, installation and maintenance of renewable energy systems, particularly: photovoltaic systems, heat pumps, electromobility solutions, carports with integrated photovoltaic systems, and energy management systems. The company also offers consulting and analysis services for optimizing energy consumption and production, as well as a comprehensive service for the maintenance and upkeep of systems.

E. Müller AG Buchrain 

Buchrain · Since 1980

E. Müller AG Buchrain is a waste disposal and recycling company that provides services for the collection, processing and recovery of recyclable materials. Its services include skip and container rental, purchase and processing of scrap metal, clearance services and secure document and data‑carrier destruction.

EWS Energie AG 

Reinach Ag · Since 1998

The core activity of EWS Energie AG encompasses the provision of energy and telecommunications services, including: electricity supply and distribution, energy efficiency and saving, e-mobility and charging stations, drinking water supply and distribution, and telecommunications services (Quickline). The company also offers additional services such as customer service, consulting, and sales of products and services in the fields of energy and telecommunications.

fontechiara Sagl 

Coldrerio · Since 2006

Fontechiara Sagl offers solutions for providing drinking water without plastic bottles. The company's core activity is the marketing and distribution of water generators and filters for households, offices and the catering industry, with the aim of reducing plastic bottle consumption and providing a sustainable alternative for drinking water.

FZSONICK SA 

Stabio · Since 2010

The core activity of FZSONICK S.A. is the development and provision of solutions for energy generation and storage, particularly in the field of renewable energies. The company focuses on research and development (R&D) of products and processes to ensure a reliable and sustainable energy supply. The activities include the development of battery storage technologies, such as salt batteries, as well as the provision of services for the energy industry, such as maintenance and service contracts.

GEVAG 

Trimmis · Since 2021

The core activity of GEVAG is the production of district heating from waste. The company accepts waste, processes it and produces CO2-free energy at the highest level.

Hasler + Reinle AG 

Liestal · Since 2023

Hasler + Reinle AG provides planning and installation of electrical systems as well as IT and telephone systems, photovoltaic installations, building automation, and maintenance/service for new builds and renovations.

Hasler + Reinle AG 

Gelterkinden · Since 1978

Hasler + Reinle AG provides planning and implementation of electrical installations and installs and services IT and telephone systems, photovoltaic installations and building automation. The company handles project planning and management, prepares technical documentation and offers ongoing service including safety checks and an on‑call (24/7) service.

J.Clever SA 

Quartino · Since 2022

J.Clever SA is primarily engaged in the planning, installation, and maintenance of photovoltaic systems, as well as consulting and supporting the use of solar energy. The core activities include: * Planning and installation of photovoltaic systems * Maintenance and repair of photovoltaic systems * Consulting and supporting the use of solar energy * Analysis of energy consumption and demand * Installation of battery storage systems * Sale of excess energy to energy suppliers or neighbors * Consulting on the utilization of state and municipal incentives for renewable energies The company offers its customers a comprehensive solution for the use of solar energy, helping them to reduce their energy costs and increase their independence from external energy suppliers.

Jörg AG 

Bätterkinden · Since 1987

Jörg AG provides roof and façade engineering and related building-envelope services. The company carries out pitched and flat roofing, façade and sheet-metal work and offers photovoltaic systems, lightning protection, roof windows as well as maintenance, repair and renovation services.

Kosag Kompostier AG 

Villnachern · Since 1989

The core activity of Kosag AG is the composting of organic waste, in particular green waste, and the production of high-quality products for gardens and agriculture, such as compost, humus mix and wood chips.

Leib & Gut Umweltservice GmbH 

Wil Zh · Since 2021

The core activity of Leib & Gut Umweltservice GmbH is the execution of disposals, clearances, relocations, dismantling and recycling for private individuals and companies. This also includes the operation of a company workshop and a public recycling yard.

Liebi LNC AG 

Oey · Since 1990

The core activity of Liebi LNC AG is the development, production and distribution of sustainable heat solutions, in particular wood-fired heating systems, heat pumps, solar thermal systems, hybrid heating systems and related services such as consulting, remote maintenance and customer service.

Nuva Therm GmbH 

Riniken · Since 2019

The core activity of Nuva Therm GmbH is the planning, installation, maintenance and repair of heating and plumbing systems, as well as the provision of emergency services in these areas.

Thomas Meier, el. Anlagen 

Andelfingen · Since 1987

Meier Elektro offers a wide range of services and installation work in the field of electrical engineering, including electrical installations, radio/TV installations, SAT installations, design and planning of photovoltaic systems, telephone and communication systems, repairs and maintenance, control systems, as well as the supply and replacement of appliances. Additionally, the company operates a store selling household appliances and articles.

Adolf Krebs AG 

Thun · Since 2003

The core activity of Adolf Krebs AG is the planning, installation and maintenance of heating, ventilation and sanitary systems. The company also offers a 24-hour emergency service and building services, and has specialized in the areas of education, health, hospitality, industry and residential.

Astrec AG 

Willisau · Since 2006

The core activity of Amstein Robert AG is the disposal and recycling of waste, including the provision of skips and containers, professional clearances, collection of recyclable materials and separate collections, as well as transport services in construction site traffic.

De Boni Elektro AG 

Hinwil · Since 1972

The core activity of De Boni Elektro AG is the planning, installation and maintenance of electrical systems, including building technology, electromobility, photovoltaics and control & safety. The company also provides consulting and service in these areas.

Elektro Illi AG 

Willisau · Since 1978

Elektro Illi AG carries out electrical installations and solar-technology projects for private customers, commercial and industrial clients, and public clients, providing planning, implementation and inspection services.

Favre Recyclage SA 

La Chaux-De-Fonds · Since 2020

The core activity of Favre Recyclage SA is the collection, processing and recycling of metal waste, particularly iron and other metals, as well as the logistics and disposal of waste.