Energy & Environment

Rutz & Co AG 

Fahrweid · Since 2013

The core activity of Rutz & Co AG is the planning, execution and maintenance of sanitary and heating systems, including boiler renovations, in the Zurich region. The company also provides comprehensive consulting and innovative solutions in the field of building technology, with a focus on sustainability, energy efficiency and climate protection.

Sandra E. Pfiffner GmbH 

Sommeri · Since 2003

The core activity of Pfiffner GmbH encompasses the execution of clearings and disposals, storage services, as well as the operation of second-hand shops. Specifically, the company offers the following services: Clearings and disposals of houses and apartments, Professional disposal and recycling, Storage of goods in own warehouses, Operation of second-hand shops in Amriswil and Kradolf. The company has discontinued its moving and cleaning services, which are therefore no longer part of its core activity.

Schiess Recycling AG 

Niederuzwil · Since 1989

The core activity of Schiess Recycling AG is the environmentally friendly collection, disposal and recycling of valuable and waste materials, particularly in the field of secondary raw materials management, including the dismantling of electronic recycling materials, the acceptance of special waste from households and the marketing of secondary raw materials.

Swiss-Green Engineering Sàrl 

Murten · Since 2009

The core activity of Swiss-Green Engineering Sàrl is the sale and installation of solar energy systems, including the planning, consulting and maintenance of solar energy plants. The company offers a wide range of products and services, including solar modules, storage systems, inverters, mounting systems and accessories. It supports both the installation of solar energy systems for grid operation and for autonomous systems.

Sanitär- & Boilerservice Forestier GmbH 

Münchenstein · Since 2025

Sanitär- & Boilerservice Forestier GmbH provides installation, maintenance and repair services for boilers (water heaters) and sanitary installations. Services include mechanical and chemical descaling, replacement and repair of thermostats, safety valve groups and pressure‑reducing valves, and a 24‑hour emergency service.

ENERGITECH Sàrl 

Riddes · Since 2007

The core activity of Energitech is the planning, installation, optimization and maintenance of solar systems, including photovoltaic systems, battery storage systems and charging stations for electric vehicles, as well as consulting and implementing energy efficiency measures for private individuals and companies in the canton of Valais, Switzerland.

Systema Solis GmbH 

Bottighofen · Since 2013

The core activity of Systema Solis GmbH is the planning, installation, maintenance and optimization of solar energy solutions, in particular photovoltaic systems, as well as the provision of services in the areas of electrical installations, roof renovations and cleaning.

EW Höfe AG 

Freienbach · Since 1948

EW Höfe AG is a cross-utility company that provides energy and telecommunications services, including electricity, gas and telecom solutions. The company is the principal shareholder of Energie Ausserschwyz AG, which supplies CO2‑neutral district heating and electricity from regional renewable sources.

Kramer Logistik GmbH 

Lenzburg · Since 2023

The core activity of Kramer company encompasses providing services in the field of reusing second-hand goods, including: * Clearing and relocation services * Transport and logistics * Sale of second-hand goods in own shops and at flea markets * Work integration and employment of people with limited access to the labor market * Cultural and event organization The company also pursues social and societal goals, such as promoting sustainability and supporting initiatives and projects in the social and environmental sectors.

Prokanal GmbH 

Zurich · Since 2019

Prokanal GmbH provides cleaning, maintenance and rehabilitation services for sewers, drains and wastewater pipes. Its services include sewer cleaning, high-pressure flushing, mechanical clearing, CCTV (Kanal‑TV) inspection, shaft emptying, sewer rehabilitation and maintenance/contract services.

Prokanal Kanalsanierung AG 

Zurich · Since 2021

Prokanal Kanalsanierung AG provides cleaning, inspection and rehabilitation services for wastewater pipes and sewer systems. Services include high-pressure jetting, mechanical clearing, shaft emptying, CCTV sewer inspections, sewer rehabilitation and a 24-hour emergency service.

REACTIS SA 

Etoy · Since 2021

The core activity of Reactis is the development and distribution of products and services in the field of environmental protection and sustainability, particularly in the areas of recycling and waste prevention. The company offers a wide range of products, such as recycling containers, composting facilities, solar compactors, and other solutions for reducing waste. In addition, Reactis also provides consulting and services to companies and organizations to support them in implementing sustainable practices and reducing their environmental impact.

Beck Umweltservice AG 

Sursee · Since 2013

The core activity of Beck Umweltservice AG is the disposal and recycling of waste, particularly through the collection, sorting, processing and recycling of various materials such as metals, plastics, cardboard, bulky waste, biomass and other waste materials. The company also provides logistics and transportation services for waste disposal and operates collection centers and facilities for waste recycling.

ewl Wasser AG 

Lucerne · Since 2000

ewl Wasser AG supplies drinking water to households and resellers and operates water treatment facilities, waterworks and the distribution network. The company performs water quality monitoring and provides water connections and related water services.

Hans Meyer AG Birr 

Birr · Since 1974

The core activity of Hans Meyer AG Birr encompasses a wide range of services in the construction and waste management sectors. Specifically, the company offers the following services: excavation and demolition, transportation, skip and container services, disposal of household and construction waste at its own sorting facility for bulky waste, and processing of mineral construction waste. Additionally, the company operates a recycling center in Birr, where construction waste is recycled and reused.

HyperSolaire Sàrl 

Lajoux Ju · Since 2019

HyperSolaire Sàrl operates in the renewable energy sector. The company designs and installs photovoltaic solar systems and provides consumption-optimization services, including battery storage, electric vehicle charging stations and integration with heating systems.

MCR-e SARL 

Grandson · Since 2024

MCR-e is a company specialized in the installation of photovoltaic systems (solar systems) in Switzerland, particularly in the Suisse Romande region. The core activity includes the planning, installation, and maintenance of solar systems for private households and professional clients. The company offers a comprehensive service, ranging from consulting and planning to the installation and maintenance of the systems.

Weiherhus-Kompost AG 

Malters · Since 1999

Weiherhus-Kompost AG processes green waste into hygienized compost and soil products. The company operates composting facilities with quality control and a Bio Suisse “Knospe” certification, runs a biogas plant producing renewable energy, and sells products via webshop, self-service points, Big Bags and delivery.

autoSense AG 

Zurich · Since 2018

The company autoSense develops and offers solutions for monitoring and optimizing vehicle fleets, including modular e-charging solutions for businesses. The core activity of the company lies in the development and provision of Software-as-a-Service (SaaS) solutions for the automotive industry, particularly in the areas of fleet management and electromobility.

Elektro Neidhart AG 

Nürensdorf · Since 2011

The core activity of Elektro Neidhart AG encompasses the planning, installation, maintenance, and repair of electrical systems and installations, including: photovoltaic systems, heating, ventilation, and air conditioning, electrical distribution, lighting, intercom systems, IT, ICT, and surveillance, building automation, electromobility, and industrial plants. The company also provides services such as maintenance and repairs, renovations, conversions, and new constructions.