The 96 largest energy companies in Grand Est

SPIE Francespie.fr

Global actor in energy, digital, and industrial transitions, offering concrete solutions for decarbonizing buildings, industries, and territories through various technical services.

Socomec Groupsocomec.com

Established in 1922, this independent industrial group specializes in ensuring the availability, control, and safety of low voltage electrical networks worldwide, generating a turnover of 725 M€ in 2022

Omexomomexom.com

Specializing in power grid solutions, Omexom helps clients navigate the energy transition by integrating renewable energy, storage solutions, and smart infrastructures Independently selecting optimal technologies

GRTgaznatrangroupe.com

Builds, maintains, and develops 85% of France's high-pressure natural gas transmission network, ensuring safe, reliable, and cost-effective gas delivery to industrial sites and public distribution.

Exide Groupexidegroup.com

Designs, manufactures, and markets advanced battery technologies for automotive, industrial, and specialized applications, focusing on efficient energy solutions and customer productivity.

Cristal Unioncristal-union.fr

Leading European producer of sugar and alcohol, operating mainly in France with significant international sales and cooperative organizational model.

LD Armateurs (LDA)lda.fr

Specializes in custom industrial maritime solutions, offering ship design, management, and operations in transport, logistics, submarine cables, and renewable energy.

UEMuem-metz.fr

A long-standing energy partner offering diverse services including electricity, gas, renewables, urban heating, public lighting, and utility software solutions

ENGIE GREENengie-green.fr

Develops, finances, builds, and operates wind and solar energy facilities, including battery storage, to provide sustainable power across France.

Fives Nordonfivesgroup.com

Designs, manufactures, installs, and maintains high-tech industrial piping networks and equipment for clients in diverse demanding sectors, from engineering to on-site assembly.

ÉSes.fr

Regional energy production and distribution focusing on local renewable sources and energy efficiency to support Alsace through a sustainable energy transition.

Fibre Excellencefibre-excellence.com

Production of pulp, biomass energy, and timber harvesting using locally sourced, PEFC certified wood supporting local French communities.

Hager Francehager.com

Specializing in energy distribution and electric vehicle infrastructure management, providing tailored advice and services to meet clients' needs and requirements

ALSYMEXalsymex-alcen.com

Designing, manufacturing, and installing complex mechanical systems and equipment for diverse sectors including nuclear, aerospace, defense, and medical industries.

WAATwaat.fr

Provides charging station solutions for various sectors, including installation, maintenance, and a unique mobile application, with a focus on collective infrastructure.

Groupe Airwellairwell.com

French brand specializing in air conditioning and heating solutions, present in over 80 countries since 1947, a reference in the industry.

TECSOLtecsol.fr

Independent solar engineering firm specializing in solar energy solutions and designs

Weishaupt Franceweishaupt.fr

A leading group specializing in burners, condensing boilers, heat pumps, solar systems, and building technical management, providing energy-efficient solutions and geothermal drilling expertise

Groupe SIATgroupesiat.fr

Industrial company processing wood into timber, moldings, and pellets, also generating electricity from biomass. Focuses on sustainable wood and energy activities.

Rives & Eaux du Sud-Ouestriveseteaux.fr

Manages 500 million cubic meters of water annually, operating 80 dams and 30 public service concessions, supporting water supply for various uses and river replenishment.

Les Éoliennes en Mer Serviceseoliennes-mer.fr

Consortium develops offshore wind farms off Yeu, Noirmoutier, Dieppe, and Le Tréport. Projects powered by ENGIE, EDP Renewables, Sumitomo, Caisse des Dépôts.

Vialis Colmarvialis.net

Vialis is a company in Alsace that provides a variety of energy, communication, and public lighting services, focusing on customer service, employee wellbeing, and community involvement

GAZOCEANgazocean.com

This company pioneers in developing technologies for LNG tankers, including cargo containment systems and propulsion systems, with expertise from its staff

Aternoaterno.fr

Aterno specializes in manufacturing and installing electric heaters, including towel radiators, mobile heaters, and solar panels for hot water production in France

Silicéosiliceo.fr

Offers solar energy project design, implementation, and monitoring for various clients, promoting solar industry development and environmental engagement with local expertise.

Grolleaugrolleau.fr

Designing, manufacturing metal cabinets, integrated sheet metal solutions for telecom, broadcast, rail, marine, and electric vehicle charging stations, connecting France to very high speed broadband.

Mon courtier énergiemoncourtierenergie.com

Expertise in energy brokerage, helping professionals and organizations optimize gas and electricity contracts across France, Belgium, and Spain.

Strasbourg Électricité Réseauxstrasbourg-electricite-reseaux.fr

Distribution network manager operating fifteen thousand kilometers of power lines across four hundred municipalities, ensuring grid maintenance and development for regional clients.

Réseau GDS - Gaz de Strasbourgr-gds.fr

Management of natural gas distribution network serving over 110,000 customers across Strasbourg and Bas-Rhin, focusing on energy transition.

France Solarfrance-solar.fr

Dedicated to photovoltaic solar energy, supporting businesses, farmers, industry, and local communities in energy management and third-party investment projects.

Laboratoire plasma et conversion d'énergie (Laplace )laplace.univ-tlse.fr

Researching electrical energy and plasmas, covering generation, transmission, management, conversion, and usage. A major national hub for electrical engineering and plasma research.

Gaz de Bordeauxgazdebordeaux.fr

Online platform for gas account consultation, real-time appointment scheduling for boiler maintenance or replacement, energy savings, and gas contracts for individuals and professionals.

Groupe C2Ec2e.eu

Specialist in direct sales of energy and fiber solutions, operating as a broker in France and Belgium markets.

Legrand Energies Solutionslegrand.fr

Design and supply of standalone and modular UPS systems ranging from 7.5kVA to 3MVA for reliable power backup.

DE DIETRICH THERMIQUEdedietrich-thermique.fr

Providing high-performance, energy-efficient thermal comfort solutions with low environmental impact and elegant design, leveraging long-standing expertise and innovation.

Viessmann Industrie Franceviessmann.fr

Provider of industrial gas and fuel boilers for urban and industrial heat networks in France and North Africa, offering design, sales, and maintenance services

Chargemapchargemap.com

Provides an app and pass for electric vehicle charging, connecting users with charging points and offering business solutions for fleet management.

ELECTRICITE DE STRASBOURGes.fr

An electrical/electronic manufacturing company located in Strasbourg, France, specializing in the production of various electrical products

e-Toteme-totem.eu

Designs, manufactures, installs, and manages electric vehicle charging stations and networks for businesses, public spaces, and individuals since 2012.

Freshmilefreshmile.com

Electric vehicle charging operator providing a mobility solution through a platform for easy and enjoyable charging, with access to 165,000+ charging points in Europe

DualSundualsun.com

This company has developed dual-intelligent solar panels that generate both electricity and hot water for various types of buildings

GDES en Francegdes.com

Specialized in industrial coatings and anticorrosion for nuclear, hydroelectric, and wind sectors. Additionally, provides services in dismantling, waste management, and reactor maintenance.

Est Industriesest-industries.com

Specializing in engineering, manufacturing, and maintaining industrial boilers and pressure equipment, offering on-site assembly services

Groupe Silversungroupe-silversun.com

A company providing reliable solar solutions with a focus on trust and confidence

résédareseda.fr

This company manages the electricity distribution network in Metz and surrounding areas, serving over 175,000 service points with operations, maintenance, and development

VOLTEC SOLARvoltec-solar.com

Production of high-quality French photovoltaic panels using circular manufacturing methods, supporting renewable energy adoption by companies and local authorities.

MHI Equipment Alsace S.A.Smhi.com

MEA, a subsidiary of Mitsubishi Heavy Industries, produces land engines for generators and control units, as well as marine engines for various vessels

SOLER Groupsoler-group.com

Develops and operates biorefineries transforming sustainably managed wood into biocarbon and biochar for industrial decarbonization and green energy.

Lithium de Francelithiumdefrance.com

Provides geothermal heat for businesses, farms, and local communities, and produces geothermal lithium for battery manufacturing in France.

Sunna Designsunna-design.com

Designs and manufactures innovative, reliable solar street lights for global public and smart city applications, including off-grid areas and extreme conditions.

R-CUAr-cu.fr

Regional operators specializing in energy efficiency and environmental services, focusing on low-carbon heat networks, project management, energy audits, and renewable energy development

EcoGreenEnergyecogreenenergy.fr

Energy efficiency consulting and renewable energy installations provider since 2008, helping industrial companies reduce carbon footprint and improve competitiveness internationally

Bulanebulane.fr

Develops and supplies on-site hydrogen production stations for industrial processes, facilitating decarbonization and optimizing energy consumption for a sustainable industry.

RESSORTS MASSELINmasselin.com

Technical leader in engineering and manufacturing springs, torsion bars, and sub-assemblies with elastic properties for aerospace, energy, transportation, and industry sectors.

SICAP RESEAUX D'ENERGIESsicap-pithiviers.net

Distributes electricity to 27,000 clients in 95 municipalities, develops and operates renewable energy production assets, and invests in national energy supply.

Haffner Energyhaffner-energy.com

A family-owned company specializing in renewable energy solutions from biomass residues, offering decarbonization solutions for various industries and regions

AGRIVALORagrivalor.eu

An agricultural company founded in 2000 specializing in composting, methanization, and production of organic amendments, energy, and mulching products

France Hydrogènefrance-hydrogene.org

France Hydrogène unites French hydrogen sector players to accelerate solutions for energy transition, boost economy, and enhance quality of life locally

Syndicat Départemental d'Energies du Rhône (SYDER)syder.fr

Public cooperative managing energy distribution and optional services like gas, public lighting, solar panels, heat networks, and electric vehicle infrastructure for communities.

BOREAS FRANCEboreas.fr

Develops, builds, finances, operates wind, solar, biogas, and energy storage parks across Europe, focusing on local consumption and energy transition.

Selfeeselfee.fr

A French company offering a comprehensive electricity supply service with a focus on local and renewable sources, allowing communities to purchase locally-produced electricity

Actemium Strasbourg Process & Energieactemium.fr

Specializing in designing and building innovative and efficient installations in air treatment, steam, cold, utilities, and industrial processes for over 25 years

TRYBA ENERGYtryba-energy.com

Development and investment in solar power projects across Europe and Africa, including site identification, permitting, financing, construction, and operation.

IHE Énergiesihe-energies.fr

Provide economical and ecological heating and energy solutions including heat pumps, thermodynamic water heaters, photovoltaic panels, and reversible air conditioners.

Fröling Francefroeling.com

Specializing in efficient wood energy, the company pioneers state-of-the-art biomass heating systems in Europe, manufacturing firewood, wood chip, and pellet boilers

Mobasolarmobasolar.com

A major player in photovoltaic energy and energy self-consumption, specializing in solar solutions such as solar trackers, solar sunshades, and electric bike supports

PNE Francepne-france.fr

Develops, builds, and operates wind and solar farms across metropolitan territory, integrating human and environmental stakes in renewable energy projects.

R-CUEr-cu.fr

Regional operators specializing in energy and environmental efficiency services, focusing on sustainable heat networks, project management, energy audits, and renewable energy development

ENERGY CONCEPTenergy-concept-pro.fr

Renewable energy company based in Alsace, France, specializing in environmental solutions for a sustainable future Located at 1 rue du Marais, Betschdorf

Bel Énergieeni-esp-reims.fr

Bel Énergie provides energy solutions, diverse services, educational eco-consumption training, and technical expertise to promote sustainable energy practices for a responsible future

SunWavesunwave.energy

Simplifies and accelerates client solarization, providing turnkey solar power plant projects from design to operation, helping control electricity bills.

EIFHYTECeifhytec.com

A European industrial company specializing in hydrogen technology for renewable energy storage, industry decarbonization, and sustainable mobility solutions

Braksonbrakson.com

Helping society transition to more environmentally friendly energies and modes of transport

ECOSUN Expertecosunexpert.fr

Specializes in renewable energy production, turnkey solar power plants, innovative plug-and-play solar solutions, and sustainable energy system development worldwide.

Territoire d'énergie Marne (SIEM)siem51.fr

Management and modernization of electricity networks, public lighting, electric vehicle charging, and renewable energy projects for local communities.

Territoire d'Énergie Alsace

Established in 1997, this syndicate organizes the public energy distribution service in its territory, ensuring proper execution of service missions

SAKOWINsakowin.com

French company leading the shift to sustainable hydrogen production, manufacturing equipment to produce zero CO2 emissions hydrogen and solid carbon from methane

Li-Mithra Engineeringli-mithra.fr

Develops and installs hybrid solar panels with heat pumps, capturing five energies for heating, hot water, and pool heating in various buildings.

COMMET Groupcommet-group.com

A group specializing in composite and metal solutions, offering engineering to production services across energy, environmental treatment, agro-industry, and chemical sectors

TRIUM ENERGYtrium-energy.com

Specializing in the commercialization of energy contracts, the company offers services related to procuring and managing energy agreements

Bretagne Energie Solairegee.bzh

Offers advice, studies, and installation of photovoltaic panels, solar energy storage batteries, and electric charging stations; also repairs and maintains all photovoltaic panels.

Hestiomhestiom.com

Specializing in energy transition and efficiency, the group offers high-quality equipment and professional services in renewable energies and solar carport installations with vehicle charging

electric Oasiselectric-oasis.eu

French innovative startup providing businesses with easy-to-install industrialized electric vehicle charging services for outdoor parking areas without the need for civil engineering

JS HORIZONSjs-horizons.fr

Specializing in photovoltaic solutions, we help clients transition to sustainable energy, offering tailored renewable energy solutions from design to installation

Pilotagepilotagegroupe.fr

Specializing in energy efficiency, this company offers tailored multi-energy solutions for professional clients, focusing on lighting, photovoltaic, and energy intelligence technologies since 2011

Enerégie68regie-bourtzwiller.fr

The company formerly known as La Régie de Bourtzwiller is now Enerégie68, providing energy services and solutions

ASD Energieasdenergie.fr

Company helps individuals and businesses with their transition to renewable energy by installing and maintaining solar panels, offering energy storage solutions, and optimizing energy use.

GTeOgteo.fr

French manufacturer of custom-made heat pumps, air treatment units, and dehumidifiers ranging from 8 to 80kW, offering comprehensive technical support

Becker Energie SARLbecker-energie.chauffagiste-viessmann.fr

Specializing in energy solutions since 1990, a team of 6 provides expertise in project creation, implementation, and aftersales service for clients in various locations

KWB Francekwb.net

Specializing in environmentally-friendly energy solutions, this company offers a range of wood boilers, solar thermal systems, and heating technologies, with a focus on quality service

Mob'Hymobhy.eu

A subsidiary specializing in developing, building, and operating green hydrogen production and delivery infrastructure, founded in 2020 by Vent D'Est

FLEXHORIZONflex-horizon.com

Cloud platform optimizing value of flexible electrical assets Specializes in residential and service sectors with focus on demand response solutions

Groupe Familial JACEja-energies.com

A group of companies specializing in renewable energies and security services in Alsace, with over 20 years of experience and 60,000 clients

Systèmes multi-énergies à stratification dynamique OSKARgoogle.com

Manufacturing renewable energy systems with dynamic stratification tanks, optimizing energy efficiency for heating and hot water production in buildings across various projects.

KNOT // dock and chargeknotcity.com

Designing, producing, and installing docking stations for scooters and bikes, providing sustainable and accessible sharing and charging infrastructure for micromobility services

ChargeHopchargehop.fr

With over 15 years of experience, this company in Alsace and Grand Est region specializes in installing and managing electric vehicle charging stations for both individuals and businesses