Energy technology
in Switzerland

ewl Rohrnetz AG

Lucerne · Since 2000 · 21–50 empl.·4.0(77)

ewl Rohrnetz AG is an energy and water utility that supplies electricity, water, gas, heat and telecommunications services. The company also provides network and connection services, photovoltaic solutions, e-mobility, energy consulting and renewable heating solutions.

Amstutz Holzenergie Betriebe AG

Emmen · Since 2011 · 21–50 empl.·4.9(11)

Amstutz Holzenergie Betriebe AG is a full-service provider in wood energy, offering consulting, planning, construction and maintenance of wood-fired heating systems and district heating projects. The company also provides logistics for wood chips, ash management and machine construction for chippers and ash-handling equipment.

Amstutz Holzenergie AG

Emmen · Since 2011 · 21–50 empl.·4.9(11)

Amstutz Holzenergie AG is a full-service provider in wood energy, offering consulting, planning, realization and maintenance of wood-fired heating systems and district heating projects. The company also provides fuel logistics, ash management, machinery construction and products such as heat transfer stations and wood chips.

Shell (Switzerland) AG

Steinhausen · Since 1993 · 11–20 empl.·4.7(23)

Shell (Switzerland) AG operates filling stations and charging infrastructure and supplies fuels, lubricants and convenience retail products. The company provides Shell Recharge points for electric vehicles, supplies products for the aviation and bitumen markets, and distributes technical lubricant solutions through related Swiss entities.

Romande Energie Services SA, succursale de Martigny

Martigny · Since 2020 · 51–100 empl.·4.5(34)

Romande Energie Services SA, succursale de Martigny provides energy services including electricity supply, operation of renewable generation sites, network/distribution services, and customer offerings for solar installations, electric vehicle charging and district heating.

CIEL Electricité SA

Lausanne · Since 1947 · 51–100 empl.·4.2(69)

CIEL Electricité SA is a brand of Eiffage Énergie Systèmes Suisse that provides electrical engineering services. The company carries out design, installation and after‑sales service for electrical installations and supplies photovoltaic systems, EV charging stations, building automation, network and alarm solutions, and performs OIBT conformity checks and 24/7 emergency repairs.

SINGLE BUOY MOORINGS INC.

Marly · Since 1969 · 21–50 empl.·5.0(6)

SINGLE BUOY MOORINGS INC. provides engineering, construction and operation of floating production, storage and offloading (FPSO) units and related offshore services, and develops floating offshore wind solutions, digital services and offshore technologies including SPM fluid-transfer systems.

Brugg Kabel AG

Brugg Ag · Since 1991 · 101–500 empl.·4.2(23)

Brugg Cables develops, manufactures, installs and maintains cables, accessories and system solutions for energy transmission and distribution as well as for industrial system solutions.

Waldenergie AG

Winznau · Since 2009 · 11–20 empl.·4.5(20)

The core activity of Waldenergie AG is the production and distribution of wood pellets, as well as the provision of services in the field of wood energy, including the delivery of firewood and the execution of natural road construction. The company also offers mobile pellet logistics and heating solutions and specializes in the development of sustainable and innovative solutions for the wood energy industry.

TRAFIGURA PTE LTD, Singapour, succursale de Genève

Geneva · Since 2011 · 11–20 empl.·4.4(22)

TRAFIGURA PTE LTD, Singapour, succursale de Genève is a commodities trading company that connects producers and consumers of minerals, metals and energy and provides trading, logistics, storage and shipping services.

Fortimo Solutions AG

St. Gallen · Since 2019 · 21–50 empl.·4.2(102)

Fortimo Solutions AG develops, owns and operates real estate with a focus on residential properties and hospitality. The company delivers rental and owner‑occupied apartments, develops tourism projects (Revier hotels and Privà lodges) and provides investment, portfolio holding and property management across the full value chain.

Solar Turbines Switzerland Sagl

Riazzino · Since 2000 · 11–20 empl.·4.3(22)

The company Solar Turbines focuses on the development and delivery of energy solutions, particularly in the field of gas turbines, gas compressors, and mechanical drive systems. The core activities include the manufacture and distribution of gas turbines, gas compressors, and related systems, as well as the provision of services such as maintenance, repair, and overhaul of these facilities. Furthermore, the company also offers solutions for reducing carbon emissions and integrating renewable energies.

Spontis SA

Avenches · Since 2007 · 11–20 empl.·4.4(36)

The core activity of Spontis SA is the conception, management and optimization of infrastructures for the energy supply of tomorrow. This includes in particular: the planning and realization of electrical, thermal and intelligent networks; the provision of solutions for energy generation and storage, including solar energy, electromobility and hydrogen technology; the development of cleantech solutions for sustainable energy supply; and the logistics and management of energy infrastructures, including the procurement, storage and distribution of energy products and components. The company also offers a range of services, including project planning, monitoring and maintenance of energy facilities, as well as consulting and support for the implementation of energy projects.

TRAFIGURA MARITIME LOGISTICS PTE. LTD., Singapore, succursale de Genève

Geneva · Since 2012 · 11–20 empl.·4.4(22)

TRAFIGURA MARITIME LOGISTICS PTE. LTD., Singapore, succursale de Genève is a branch of the Trafigura group providing logistics and shipping services for commodity trading. It offers transport, storage and maritime logistics solutions for minerals, metals and energy products.

Sysbo AG

Au Sg · Since 2015 · 21–50 empl.·4.9(14)

Sysbo AG develops and manufactures district heating technologies and provides products and services including district heating transfer stations, hot water modules, control and visualization systems, as well as network monitoring and leak detection. The company also carries out refurbishment and optimization during operation, plant engineering and planning support for heat networks.

La Rapida SA

Chiasso · Since 1970 · 11–20 empl.·4.7(17)

The core activity of La Rapida SA is the manufacture of precision components for power generation, in particular rotor blades, guide vanes and other components for steam and gas turbines, as well as components for compressors.

Lignocalor AG

Bern · Since 1992 · 11–20 empl.·4.9(7)

The core activity of Lignocalor AG is the procurement, processing, logistics and delivery of wood products, in particular wood chips, for energy production, as well as the sale of firewood and earth products. The company is also involved in the processing and marketing of green waste and wood shavings.

Trafigura Ventures V B.V., Amsterdam, succursale de Genève

Geneva · Since 2014 · 11–20 empl.·4.4(22)

Trafigura Ventures V B.V., Amsterdam, succursale de Genève is a global commodities company that connects producers and consumers of minerals, metals and energy. It provides commodity trading, logistics, shipping, storage and related infrastructure services, and is active in areas such as oil and petroleum products, metals and minerals, gas and power, renewables and carbon trading.

Trafigura Trading (Europe) Sàrl

Geneva · Since 2016 · 11–20 empl.·4.4(22)

Trafigura Trading (Europe) Sàrl trades commodities, connecting producers and consumers of minerals, metals and energy. It provides trading-related services and offers logistics, shipping and storage solutions, and participates in markets including oil and petroleum products, gas and power, renewables and carbon trading.

ewl Kraftwerke AG

Lucerne · Since 1903 · 21–50 empl.·4.0(77)

ewl Kraftwerke AG operates hydropower plants and wind parks to generate renewable electricity, and provides services related to grid operations, renewable heat, gas, water, e-mobility and internet connectivity.

SBM OFFSHORE CONTRACTORS INC.

Marly · Since 1985 · 1–10 empl.·5.0(6)

SBM OFFSHORE CONTRACTORS INC. provides floating production solutions and marine infrastructure services, including the design, supply, installation, operation and life-extension of Floating Production Storage and Offloading (FPSO) vessels. The company also develops floating offshore wind concepts, digital services (SBM+) and offshore technologies focused on emission reduction and carbon-capture solutions.

SBM PRODUCTION CONTRACTORS INC. SA

Marly · Since 1986 · 1–10 empl.·5.0(6)

SBM PRODUCTION CONTRACTORS INC. SA is an ocean-infrastructure company specializing in the development and operation of floating production systems and FPSOs. Its activities also include floating offshore wind solutions, digital services for offshore operations and offshore technologies for fluid transfer.

SBM Thunder Hawk S.A.

Marly · Since 2007 · 1–10 empl.·5.0(6)

SBM Thunder Hawk S.A. is an offshore energy infrastructure company. It develops and operates floating production systems, offshore technologies, digital services and floating offshore wind solutions.

Jaeggi Gmünder Energietechnik AG

Elgg · Since 2015 · 11–20 empl.·4.5(14)

The core activity of Jaeggi Gmünder Energietechnik AG encompasses the planning, conception, and installation of solutions in the field of building technology and energy, particularly: Sanitary: planning and realization of sanitary facilities and works in single-family homes Heating: planning and realization of efficient heat generation systems, including heat pumps, solar technology, and fossil energy Solar heat: conception and installation of solar collector systems for domestic hot water and space heating Photovoltaics: planning and installation of photovoltaic systems for power generation. The company thus offers comprehensive solutions for building technology and energy supply.

TotalEnergies Gas & Power Limited, London, succursale de Meyrin - Genève

Since 2019 · 51–100 empl.·4.6(33)

TotalEnergies Gas & Power Limited, London, succursale de Meyrin - Genève trades natural gas, LNG and electricity on international energy markets. The branch manages physical flows, performs portfolio adjustments and handles market and supply-risk management for its gas and power activities.

GETEC Youdera AG

Zug · Since 2022 · 11–20 empl.·4.3(123)

GETEC Younergy AG provides planning, installation and maintenance of photovoltaic systems and related services, including Solar Abo (subscription model) and Solar Direct (direct purchase). Offerings also include battery storage, e‑mobility solutions, monitoring and warranty packages, together with support for permitting and administrative processes.

Leclanché SA

Yverdon-Les-Bains · Since 1909 · 101–500 empl.·3.8(28)

Leclanché SA provides energy storage solutions based on lithium‑ion cell technology and develops cells, modules, packs, battery management systems and energy management software. Its business units include Stationary Solutions, E‑Mobility and Specialty Battery Systems, serving utilities, grid operators and transport and industrial applications.

Arnold AG

Wangen An Der Aare · Since 1979 · 21–50 empl.·4.3(12)

Arnold AG is a network construction company providing comprehensive services for the energy, telecom, transport and water sectors. Its services include cable and overhead-line construction, plant installation and maintenance, commissioning and a 24/7 emergency response service.

AEK Pellet AG

Balsthal · Since 2003 · 11–20 empl.·4.7(11)

The core activity of AEK Pellet AG is the production of wood pellets as a renewable fuel for heating purposes. The company processes untreated sawdust into high-quality pellets, which are marketed under the AEK-Pellets brand.

Heller AG Kälte-Energie-Technik

St. Margrethen Sg · Since 1993 · 11–20 empl.·4.4(14)

The company's core activity is the development, manufacture and provision of products and services in the field of refrigeration energy technology.

Glaus & Kappeler AG

Brügg Be · Since 1996 · 11–20 empl.·4.4(14)

The core activity of Glaus & Kappeler AG is the provision of services in the electrical industry, particularly in the areas of electrical installations, building automation, photovoltaics, e-mobility, customer service, and rental of electrical equipment and systems. The company offers a comprehensive range of electrical engineering services for private households, industry, and commerce, thereby covering the entire value chain in the electrical industry.

Agro Energie Schwyz AG

Ibach · Since 2007 · 21–50 empl.·4.6(10)

The core activity of Agro Energie Schwyz AG is the production of electricity and heat from biomass, particularly wood chips, as well as the operation of a district heating network in the Schwyz region.

Linde Schweiz AG

Dagmersellen · Since 2008 · 101–500 empl.·5.0(3)

Linde Schweiz AG is a supplier of industrial, medical and specialty gases and of related equipment and services. The company's offerings include gases such as oxygen, nitrogen, argon and carbon dioxide, dry ice, gas accessories and regulators, cryogenic containers, on‑site generation and bulk delivery and supply‑system solutions.

CIEL Electricité SA, succursale de la Côte

Signy · Since 2018 · 21–50 empl.·4.2(69)

CIEL Electricité SA, succursale de la Côte provides electrical installations and related services such as photovoltaic systems, charging stations for electric vehicles, alarm and home‑automation solutions, and IT/telephony networks. It performs OIBT compliance checks, maintenance and emergency repair services and delivers projects for construction sites, commercial, industrial, medical and educational clients.

Brugg Kabel Manufacturing AG

Brugg Ag · Since 2021 · 101–500 empl.·4.2(23)

Brugg Kabel Manufacturing AG manufactures power and industrial cables and cable accessories, providing development, production, turnkey project delivery and service solutions for high-, medium- and low-voltage networks.

Asantia Invest. AG

Stansstad · Since 2023 · 21–50 empl.·5.0(11)

Infener AG focuses on the development and provision of solutions for the production, storage and use of green hydrogen (H2) as a renewable energy source. The company's core activity involves creating decentralized, integrated H2 solutions that enable buildings and businesses to be supplied with green hydrogen, thereby contributing to the decarbonization of communities and industry. This includes the development of H2 production and supply systems, such as the so-called 'Green H2 Hubs', as well as the provision of holistic solutions for the energy supply of buildings and businesses.

Schmid Mawera AG

Eschlikon Tg · Since 1969 · 101–500 empl.·4.9(7)

Schmid AG energy solutions is a manufacturer and supplier of wood-fired heating systems and heat pumps, providing system solutions for residential, commercial and industrial applications. The product range includes wood chip, pellet and log boilers as well as heat pumps, and the company offers customer service and after-sales support including remote maintenance.

Ansaldo Energia Switzerland AG

Baden · Since 2000 · 51–100 empl.·4.3(12)

The core activity of Ansaldo Energia is the planning, development, delivery and commissioning of power plants, including simple and combined cycle power plants, geothermal power plants and the rehabilitation of existing power plants. The company also provides services such as engineering, project management, procurement, construction and commissioning of power plants. Additionally, Ansaldo Energia is active in training and knowledge transfer in the field of power generation.