Energy & Environment

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.