Energy & Environment

Zwahlen - Beyeler Haustechnik GmbH 

Rüeggisberg · Since 2012

The core activity of Zwahlen Beyeler Haustechnik GmbH encompasses the planning, implementation and maintenance of building technology, sanitary installations, heating systems, solar systems and vacuum cleaner systems.

Barras-RD Sàrl 

Vuisternens-En-Ogoz · Since 2025

The core activity of Barras-RD is the provision of services in the field of recycling, dismantling and transport, particularly in connection with the construction industry. Specifically, this includes: Dismantling of metal structures, such as tanks, boilers, cranes, etc. Recycling of metal waste, such as copper, aluminum, iron, etc. Transport of waste and materials, including the provision of containers and skips. Disposal of special waste, such as batteries, vehicles, gas cylinders, etc. The company positions itself as a partner for companies and private individuals seeking sustainable and environmentally friendly solutions for their waste disposal and recycling needs.

2D Démolitions et débarras Esteves Teixeira 

Collonges · Since 2022

The core activity of 2D Débarras Démolitions et Nettoyage is the provision of services in the areas of: * Waste disposal and removal of unwanted items * Relocation of apartments, houses and businesses * Building demolition and deconstruction * Professional cleaning of various situations, such as final cleaning after construction projects, office cleaning, etc. The company offers these services to private individuals and businesses in the Swiss Romandy region.

2M Elettro-Impianti Sagl 

Riva San Vitale · Since 2019

The core activity of 2M Elettro-Impianti is the planning, installation, maintenance and repair of electrical systems, including domotics, automation of gates, video intercoms, LED lighting and data and Wi-Fi networks.

4D Montagen GmbH 

Herzogenbuchsee · Since 2014

The core activity of 4D Montagen GmbH is the execution of electrical and industrial installations, including the planning, installation and maintenance of photovoltaic systems, electrical installations, tunnel infrastructure, building technology and electromobility. The company offers turnkey projects from a single source, from consulting and planning to installation and service.

Aaresolar GmbH 

Bettlach · Since 2024

abfallboerse schweiz.ch AG 

Stansstad · Since 2000

The company provides services in the field of waste management and residual material management. The core activity includes the organization and implementation of residual material tenders, the development of sustainability goals, and the provision of CO₂ reporting. The company supports various target groups, including medical facilities, retail, industry, municipalities, service companies, and public institutions, in the sustainable disposal of waste and residual materials.

abfallwirtschaft schweiz GmbH 

Stansstad · Since 2016

The core activity of the company "abfallwirtschaft schweiz GmbH" is waste management and material marketing for industrial companies, commercial enterprises, cantonal administrations, municipal administrations, and municipalities. The company offers customer-oriented solutions to achieve maximum value creation throughout the waste management process and enable sustainable net savings. These services include cost reduction, material marketing, quantity bundling, logistics optimization, and compliance with laws and regulations.

ABL Recy-Services SA 

Lausanne · Since 2006

The core activity of abl recy-services sa consists of collecting, processing and recycling construction site waste, including the treatment of construction site water, as well as consulting on waste management and construction site water treatment.

AB Marti AG 

Murten · Since 2011

AB Marti AG provides maintenance and asset-preservation services for drainage and sewer systems. Services include sewer cleaning, unclogging, CCTV inspections, repairs and rehabilitation, manhole emptying, mobile sludge treatment and leak testing. The company also offers video documentation, certificates and information about its vehicle fleet.

a energie AG 

Schüpfen · Since 2009

The core activity of the company "a energie" consists of planning, implementing, operating and maintaining district heating networks and plants, including energy production and distribution. The company also offers services such as on-call duty, technical service and plant construction.

A.F.H. Bau GmbH 

Zurich · Since 2021

The company provides services in the field of construction and real estate management, particularly in the areas of heat pumps, photovoltaic and storage systems. It also offers comprehensive consulting and project management from planning to implementation of construction projects.

Ägerital Energie Genossenschaft 

Oberägeri · Since 2014

The core activity of Ägerital Energie Genossenschaft is the production and sale of regional solar power from photovoltaic systems in the Ägerital and Menzingen regions. The company enables private individuals and companies to obtain 100% solar power from the region, thereby supporting climate protection.

Alteno AG 

Basel · Since 1987

The core activity of Alteno AG encompasses the planning, consulting and implementation of sustainable building technology and solar energy solutions. This includes in particular: planning of heating systems (heat pumps, wood heating systems, district heating); planning of photovoltaic systems with battery storage and e-mobility; energy consulting for large consumers, gastronomy, bakeries and commerce; load management and operational optimization; residential ventilation and ventilation systems for industry and commerce; ENAW target agreements for large consumers and energy operational optimization; strategic property owner consulting and concept development; expert opinions and reports for building energy systems. The company thus offers comprehensive services in the field of sustainable energy and building technology.

Altersol SA 

Bedano · Since 1991

The core activity of Altersol SA is the planning, installation and maintenance of renewable energy systems, particularly in the field of solar energy, including: Solar Photovoltaics (generation of electricity from solar energy), Solar Thermal (generation of heat from solar energy), Heat Pumps, Wood and Pellet Heating, Heating Systems and Temperature Control Systems. The company also offers services such as consulting, planning and installation of these systems.

A.M.P. Cheminée & Solaire, Daniel de Joffrey 

Montreux · Since 2003

The core activity of AMP Cheminée & Solaire is the planning, installation, maintenance and repair of heating systems, in particular: installation and maintenance of chimneys and flues, installation and maintenance of wood-burning stoves and other heating systems, maintenance and repair of oil-fired heating systems, installation and maintenance of solar panels, and cleaning and maintenance of chimneys and flues. The company also offers consulting services in the field of energy efficiency and heating systems.

anbeda AG 

Zug · Since 2017

anbeda AG runs a solar blog and provides support for do-it-yourself photovoltaic system builders, offering planning assistance, material advice and guidance up to grid connection and commissioning. The website publishes project reports, step-by-step self-build guides and practical information on photovoltaic systems; anbeda AG holds an ESTI installation permit according to NIV Art. 14.

Andreas Sprecher Haustechnik und Oelbrennerservice GmbH 

Buchs Sg · Since 1996

The core activity of Sprecher Haustechnik encompasses the planning and execution of heating systems, sanitary installations, air conditioning, solar systems and oil burner services. They offer professional services in the areas of heating, sanitation, renewable energy and industrial installations.

Aniterra AG 

Lyssach · Since 1999

The core activity of Aniterra AG is the implementation of independent controls in the areas of agriculture and similar production systems, particularly in the cantons of Bern, Lucerne, Uri and Obwalden. The controls cover various aspects such as animal welfare, primary production, water protection, direct payments, summering, IP Suisse, QM Swiss meat, milk standards, AOP Suisse, Guarantee SwissGAP, mountain and alpine farming, High-stem Suisse and record-keeping documents.

Anlagenbau Freiburghaus 

Walliswil B. Wangen · Since 2022

The core activity of Anlagenbau Freiburghaus is the execution of general metalwork and locksmithing, including welding contracts, sheet metal processing and plant construction. The company also offers specialized services such as the manufacture of template feed units, side tables, sight protection walls and other metal constructions for various fields of application, including garden and interior construction.