Energy Industry in the
Canton of Geneva

LNI Swissgas SA

Since 2005 · 101–500 empl.

The company develops and manufactures gas generators and gas calibrators for various applications, particularly for analytical laboratory procedures, industrial processes and environmental monitoring. The products are 100% manufactured in-house and specialize in the production of high-purity gases such as hydrogen, nitrogen and zero air.

ED ENERGIE DURABLE SA

Since 2008 · 11–20 empl.

ED ENERGIE DURABLE SA is an energy company that produces, distributes and supplies renewable solid fuels such as wood pellets and wood chips, and provides related services. Its services include boiler cleaning and maintenance, ash and pellet vacuuming, and mobile pellet heaters; the company is part of Groupe SERBECO and holds ENplus A1, ISO 9001/14001/45001 and BCorp certifications.

ENERGOIMPEX SA

Since 2010 · 1–10 empl.

ENERGOIMPEX SA operates the Energoimpex Metal business unit, providing manufacturing and supply‑chain services for the metal industry, including CNC machining, metal cutting, sheet‑metal processing, welding and surface treatments. It coordinates production through an in‑house Metal Centre and a network of Metal Partners and applies quality assurance procedures conforming to ISO 9001:2015.

Forza Petroleum Services SA

Since 2010 · 11–20 empl.

The core activity of Forza Petroleum is the exploration, development and production of oil and gas.

Greenea Geneva SA

Since 2019 · 1–10 empl.

Greenea is a broker for renewable energies and biofuels. The core activities include: trading in biofuels, bio-certificates and raw materials; brokerage of energy saving certificates (EEC) and carbon credits; trading in GO/EAC certificates and Power Purchase Agreement (PPA) contracts; consulting and support in the development of strategies for renewable energies and biofuels; and brokerage of contracts for the purchase of renewable energy and biogas. Greenea supports companies in implementing their energy and climate strategies and offers tailored solutions for the transition to renewable energies.

Transmutex SA

Since 2019 · 11–20 empl.·5.0(2)

The core activity of Transmutex SA is the development and application of technologies to reduce radioactive waste and produce clean energy from nuclear waste. The company also develops technologies for the production of radioactive isotopes for medical applications, particularly for cancer diagnosis and treatment.

NEWCLEO SA

Since 2022 · 21–50 empl.

The core activity of new cleo is the development and provision of technologies and services in the field of nuclear energy, particularly of the fourth generation (Gen-IV). The company focuses on the development of reactors and fuels as well as on research and development in the field of nuclear energy.

Orrön Energy SA

Since 1999 · 101–500 empl.·5.0(1)

The core activity of Orrön Energy is the development, optimization and management of renewable energy sources, particularly wind, solar and battery installations, in the Nordic countries, the United Kingdom, Germany and France, with the aim of creating sustainable value for shareholders and contributing to the energy transition.

Bares Energy SA

Since 2022 · 11–20 empl.

The core activity of BGN Energy Holding SA consists of investing in and managing energy projects, particularly in the oil and gas sector, as well as developing strategies for new energies. The company has an experienced team with technical, commercial and financial skills to manage strategic investments. The activities also include financing energy projects, carrying out mergers and acquisitions, and monitoring ESG (Environmental, Social and Governance) aspects.

Dyneo Technologies SA

Since 2023 · 1–10 empl.

The core activity of Dyneo Technologies SA is the development and provision of solutions for optimizing thermal networks through the use of artificial intelligence (AI) and data analysis. The company offers technologies that enable the improvement of thermal network efficiency, minimize energy losses, and optimize networks. The solutions include the integration of production control systems, anomaly detection, and recommendation of measures to improve network performance.

ENSSO Sàrl

Since 2021 · 1–10 empl.

ENSSO Sàrl is a consulting and engineering firm providing project management and technical advisory services across energy production and distribution. Its services include project leadership, contract management, renewable energy project development, engineering for district heating, hydrogen and EV charging infrastructures, and training for junior project managers.

TIS PETROLEUM (ASIA) PTE. LTD., Singapour, succursale de Genève

Since 2021 · 11–20 empl.

The core activity of TIS Petroleum encompasses the exploration, production, processing and trading of crude oil and natural gas. The company is active throughout the entire value chain of the oil and gas sector, from the search for new deposits to the extraction, processing and sale of crude oil and natural gas. Furthermore, the company is also committed to the development of environmental initiatives and the promotion of renewable energies.

Viroque Energy SA

Since 2024 · 11–20 empl.

Viroque Energy SA is an energy trading and services company conducting wholesale trading and distribution of oil products, LNG, gas and electricity. Its activities include trading and supply of fuels (diesel, gasoline, jet fuel, bunker), bunkering operations, gas and power commercialization, and the development of renewable energy projects.

TotalEnergies EP Angola B17/25 SA

Since 2025 · 1–10 empl.

TotalEnergies EP Angola B17/25 SA is a company active in energy trading within TotalEnergies. It is involved in trading and optimizing oil, natural gas, electricity, and related energy flows, as well as the transport of energy products.

TotalEnergies Holdings Midstream SA

Since 2025 · 1–10 empl.

TotalEnergies Holdings Midstream SA is mainly active in trading in Switzerland, with activities in crude oil, refined products, electricity, gas and liquefied natural gas. It also supplies B2B customers with products and solutions for business use.

TotalEnergies EP Peru SA

Since 2025 · 1–10 empl.

TotalEnergies EP Peru SA is a TotalEnergies energy trading company. It trades crude oil, refined products, LNG and electricity, and also covers logistics, shipping and market management.

Hera TE 10 SA

Since 2025 · 1–10 empl.

Hera TE 10 SA is part of the TotalEnergies Suisse website and is associated with the distribution of lubricants, engine oils, industrial lubricants, special fluids and bitumen. The website also refers to related services such as product selection tools, technical support, training and safety data sheets.

Sorane SA Société de Rationalisation de l'Energie, succursale de Genève

Since 1999 · 1–10 empl.·5.0(1)

Sorane SA Société de Rationalisation de l'Energie, succursale de Genève is an engineering consultancy specialising in energy rationalization for new and refurbished buildings. Its services include energy engineering and building simulations, energy efficiency optimisation, scientific outreach and applied R&D, as well as audits, measurements and support for certification; the company holds ISO 9001 and 14001 certifications and participates in international research programmes (e.g. Horizon 2020, IEA projects).

Trios tecAir Sàrl

Since 2023 · 1–10 empl.·4.7(23)

Ad Terra Energy SA

Since 2025 · 1–10 empl.

Ad Terra Energy SA is an energy group that designs, invests in, and operates energy solutions. Its activities focus on the energy transition and include geothermal projects, direct lithium extraction, natural hydrogen, and energy storage systems.

BGN Energy Investments SA

Since 2026 · 1–10 empl.

BGN Energy Investments SA is an independent energy and commodities trading company. It trades and supplies energy products including oil products, gas, LNG, LPG, biofuels, and critical metals and minerals, and provides services in trading, distribution, shipping, storage, risk management, finance, and hedging.

CLEMAVO SA

Since 2010 · 1–10 empl.

The core activity of CLEMAVO SA consists of planning, executing and managing projects in the field of renewable energy, particularly in the areas of: Energy Operation and Maintenance (Energy O&M), Project Management, Sustainable Solutions, Engineering, Hydraulics, Architecture and Public Construction Projects. The company offers comprehensive services, from planning to implementation and management of projects, with the aim of promoting a sustainable future through the use of renewable energy.

King Caviar SA

Since 2013 · 1–10 empl.

The core activity of Ponza SA is the trade of raw materials and commodities, particularly energy carriers such as oil and oil products, as well as agricultural products like grains and oilseeds. The company also engages in hedging and risk management, chartering and ship operations related to the transportation of raw materials.

UNITED ENERGY VENTURES SA

Since 2016 · 1–10 empl.

The core activity of United Energy Ventures SA is the development and provision of innovative business solutions for decentralized energy, including renewable energy, smart grids and energy efficiency.

KATSINA SA

Since 2017 · 11–20 empl.

KATSINA is a consulting and trading company specializing in the energy sector. The company's core activity is consulting and trading energy products and technologies, particularly in the field of renewable energies such as solar energy and hydropower. The company provides solutions for the energy supply of companies, projects, and communities, with the goal of improving energy supply and protecting the environment.

EuraLink SA

Since 2021 · 1–10 empl.

EuraLink SA is a company providing international trade and consulting services focused on renewable energy and solar technologies. Its services include import and export of solar equipment, strategic sourcing, contract management and the supply of solar modules, inverters, battery storage and autonomous solar air-extractor systems.

Polare group Sàrl

Since 2026 · 1–10 empl.

Polare group Sàrl develops portable power and solar solutions, including mobile power stations, solar panels, and modular battery systems. The company presents its products for backup power, camping, off-grid use, vehicles, and applications in homes or businesses.

Negawatts SA

Since 2016 · 1–10 empl.

OVERGAZ SA

Since 1960 · 1–10 empl.

Bruun & Sörensen (Suisse) SA

Since 1979 · 1–10 empl.

Nalcosa SA

Since 1980 · 1–10 empl.

EXIM POWER S.A.

Since 1993 · 1–10 empl.

CvS Energies Sàrl

Since 1997 · 1–10 empl.

Longchamp Electricité et Energies SA

Since 2000 · 1–10 empl.

CARPENTUR SA

Since 2005 · 1–10 empl.

CABC CHAUFFAGE A BOIS CARTIGNY SA

Since 2006 · 1–10 empl.

Biogaz Mandement, Millo & Zeller

Since 2008 · 1–10 empl.

PETROCI International SA

Since 2009 · 1–10 empl.