Energy & Environment

EWZ Elektrizitätswerk Zermatt AG 

Zermatt · Since 1994

The core activity of Elektrizitätswerk Zermatt AG is the production and distribution of electricity, particularly the reliable, economic and environmentally friendly supply of electricity to the Zermatt region.

Fabian Dörig AG, Heizsysteme 

Appenzell Steinegg · Since 2010

The core activity of Fabian Dörig AG is the planning, installation and maintenance of heating, plumbing and ventilation systems. The company also provides consulting and planning services in the field of building technology and is committed to the use of renewable energies and efficient energy use.

Federer Elektrotechnik AG 

Oberegg · Since 2000

The core activity of Federer Elektrotechnik AG includes the planning, installation and maintenance of electrical systems and installations, including: power storage systems, new and renovation of electrical installations, communication technology (telephone, satellite), fibre optic splicing, photovoltaic systems, household appliances, energy-efficient lighting, electro-satellite systems, and telephone planning. The company also offers a 24-hour emergency service.

Fernwärme Selhofen AG 

Solothurn · Since 2023

Fix Solar Oftringen GmbH 

Oftringen · Since 2024

The core activity of FIX SOLAR is the planning, installation and maintenance of photovoltaic systems and solar solutions for private and business customers in Switzerland. The company offers comprehensive services, including consulting, planning, assembly, installation and maintenance of solar energy systems, to help customers reduce their energy costs and contribute to environmental protection.

Fondation pour le développement durable des régions de montagne 

Sion · Since 1999

The core activity of Fondation pour le développement durable des régions de montagne (FDDM) is to support and promote projects that contribute to the sustainable development of mountain regions. This includes: analysis and expertise, project management, participatory processes and moderation, strategy and action plans, training and further education, reports and documentation, and events. FDDM supports and promotes projects that improve the quality of life of the population in mountain regions, particularly in the areas of environment, economy, social affairs, culture, and politics.

Freshape SA 

Renens Vd · Since 2011

The core activity of Freshape is the development and provision of sustainable, modular and self-assembling solutions for living spaces based on renewable energies and enabling a connection to nature. This includes innovative products such as modular structures, energy-harvesting surfaces and intelligent displays that enable a sustainable lifestyle without compromising on comfort.

Fretz Kanal-Service AG 

Cham · Since 1990

The core activity of Fretz Kanal-Service AG is the provision of services in the field of sewer maintenance, cleaning, rehabilitation and inspection, including street and surface cleaning. This includes specific services such as drain and pipe cleaning, suction work and shaft recycling, sewer TV and tightness testing, as well as shaft rehabilitation.

Freuler Heizungen Sanitär AG 

Pfäffikon Zh · Since 2022

The core activity of Freuler AG is the planning, installation and maintenance of building technology systems, particularly in the areas of heating, plumbing and solar systems, for residential and commercial construction.

F & W Holzbau AG 

Freienbach · Since 1978

The core activity of F+W Holzbau AG is the planning, development and implementation of timber construction projects, including: carpentry, joinery, roofing, facade construction, element construction, terrace and grate construction, renovation and refurbishment work, and the installation of photovoltaic systems. The company offers its customers individual solutions and services in the field of timber construction and operates regionally.