| # | Company | Employees |
|---|---|---|
| 1 | 93,235 | |
| 2 |
Schneider Electricse.com
Global energy technology leader, providing efficiency and sustainability through electrifying, automating, and digitalizing industries, businesses, and homes with intelligent devices and digital services. |
87,938 |
| 3 |
TotalEnergiestotalenergies.com
Global energy company with 105,000 employees focused on energy transition, safety, ethics, innovation, and career development worldwide. |
86,609 |
| 4 |
Veoliaveolia.com
Global environmental services, building environmental security for public health, industry competitiveness. Cleans pollution, reduces carbon, regenerates resources through water, waste, energy solutions. |
49,296 |
| 5 | 45,706 | |
| 6 |
Air Liquideairliquide.com
A global leader in gases, technologies, and services for industry and health, focusing on innovation and sustainability for a better future |
40,100 |
| 7 |
VINCI Energiesvinci-energies.com
Contributes to environmental transition by implementing customized multi-technical solutions from design to maintenance, enhancing infrastructure reliability, efficiency, and sustainability for energy and digital sectors. |
25,848 |
| 8 | 24,479 | |
| 9 |
Technip Energiesten.com
Leading energy engineering & technology company focused on LNG, hydrogen, ethylene, sustainable chemistry, and CO2 management Committed to accelerating the energy transition globally |
18,645 |
| 10 |
Eiffage Énergie Systèmeseiffageenergiesystemes.com
Designs, builds, operates, and maintains energy systems, offering innovative solutions in electrical, industrial, climatic, and energy engineering. |
15,518 |
| 11 |
EQUANSequans.com
A global leader in multi-technical services, providing customized solutions for building improvement and supporting sustainable development with a highly qualified team |
15,419 |
| 12 |
Framatomeframatome.com
Designs, services and installs components, fuel, and instrumentation and control systems for global nuclear power plants while providing digital and technical expertise. |
14,188 |
| 13 |
Hutchinsonhutchinson.com
Designs, produces customized materials, connected solutions for global customers: land, air, sea. Leaders in vibration control, fluid management, sealing technologies. |
13,625 |
| 14 | 12,741 | |
| 15 |
Oranoorano.group
International operator in nuclear materials, provides high-value products and services across the entire fuel cycle, addressing energy and health challenges through expertise and innovation. |
12,605 |
| 16 |
ENGIE Solutions Franceengie-solutions.com
Provides comprehensive, lasting solutions to businesses, industries, and communities for carbon neutrality, improving infrastructure competitiveness, city attractiveness, and living/working comfort. |
12,252 |
| 17 |
Equans Franceequans.fr
Designs, installs, and delivers bespoke solutions optimizing equipment and usage for businesses, local authorities, and industrial players in energy, industrial, and digital transitions. |
11,029 |
| 18 |
Vallourecvallourec.com
Provides benchmark tubular solutions for energy, oil and gas, industrial applications, hydrogen, CCUS, geothermal, and solar energy markets. |
8,787 |
| 19 |
Nexansnexans.com
Design, manufacture, and services for cable systems across transmission, grid, connectivity, and industry sectors, focusing on sustainable, decarbonized electricity. |
8,776 |
| 20 |
Tereostereos.com
French agricultural cooperative processing beet, sugarcane, cereals, alfalfa; global presence, broad product range, customer support, environmental commitment. |
8,366 |
| 21 |
Réseau de Transport d'Électricitérte-france.com
Manages France's electricity grid, connecting territories and industries, developing infrastructure for a decarbonized future, ensuring constant balance and supply. |
8,223 |
| 22 |
Eiffageeiffage.com
Join a close-knit company valuing teamwork, innovation, and individuality to build a human-sized future, welcoming diverse talents to thrive |
7,684 |
| 23 | 7,313 | |
| 24 |
Veolia | Franceveolia.fr
Provides specialized services for water management, waste treatment, and energy recovery to help cities and industries preserve, access, and renew essential resources. |
6,110 |
| 25 |
Bouygues Energies & Servicesbouygues-es.fr
Bouygues Energies & Services is a key player in energy and digital transition, focusing on sustainable solutions and workforce development |
5,960 |
| 26 |
GE Renewable Energyge.com
Engineers energy products and digital services using wind, solar, and hydro resources for global customers, delivering affordable, reliable, and sustainable power. |
4,994 |
| 27 |
GE Grid Solutionsgevernova.com
Provides utilities and industries with equipment, systems, services for reliable power delivery from generation to consumers, focusing on renewable integration and energy transition acceleration. |
4,934 |
| 28 | 4,211 | |
| 29 | 3,940 | |
| 30 |
EDF power solutionsedf-powersolutions.com
Develops, builds, operates low-carbon power plants, flexibility, decarbonisation solutions, and transmission assets, driving electrical systems' global performance. |
3,201 |
| 31 |
Bollorébollore.com
An international group specializing in transportation & logistics, communications, media, and electricity storage solutions, with a strong presence globally |
3,033 |
| 32 | 2,986 | |
| 33 |
ALTRAD ENDELlinktr.ee
Provides industrial solutions, from design to maintenance, for the energy sector, including nuclear, thermal, petrochemical, and steel industries, with expertise in piping, welding, and mechanics. |
2,978 |
| 34 |
VINCI Energies en France
Accelerating environmental transition in France by focusing on energy and digital transformations for factories, buildings, cities, and energy/transport infrastructure with innovative solutions |
2,953 |
| 35 |
Mersenmersen.com
Global expert in electrical specialties, advanced materials for high-tech industries. Custom-built solutions, key products for new technological challenges shaping tomorrow’s world. |
2,920 |
| 36 |
NaTrannatrangroupe.com
Second largest European gas transport operator focusing on energy transition, carbon neutrality, and innovative infrastructure for biomethane, hydrogen, and CO2. |
2,700 |
| 37 |
SPIE Citynetworksspie.fr
Design, implementation, operation, and maintenance of energy and digital networks, offering smart city services for local authorities and businesses. |
2,367 |
| 38 |
Arabelle Solutionsarabellesolutions.com
Provides nuclear turbine island technology, services for power plants, including steam turbines, generators, pumps, heat-exchangers, and cybersecurity solutions worldwide. |
2,335 |
| 39 | 2,281 | |
| 40 |
Getlinkgetlinkgroup.com
Manages Channel Tunnel, shuttle services, rail freight, and electricity interconnection, safely transporting passengers, vehicles, and goods between the UK and France. |
2,108 |
| 41 |
GCC, l’ETI de préférencegcc-groupe.com
A leading independent group in the construction industry, offering sustainable solutions, promoting personal growth and entrepreneurship, and contributing to a lasting future |
1,967 |
| 42 |
Edvanceedvance.fr
Designs and implements nuclear islands and control commands for nuclear reactors under construction, domestically and internationally. |
1,943 |
| 43 |
Alstom Gridgevernova.com
A provider of innovative solutions for the power grid industry, specializing in advanced technology and services for electrical infrastructure |
1,895 |
| 44 | 1,740 | |
| 45 |
Eni Energies et Servicesfr.eni.com
A leading energy provider in France offering electricity, natural gas, and energy solutions to help consumers manage their energy consumption efficiently |
1,574 |
| 46 |
ENGIE - International Supply & Energy Managementengie-sem.com
Supports global businesses in decarbonization with reliable, flexible, and affordable energy solutions, managing supply, risks, and sustainable services globally. |
1,554 |
| 47 |
TSG Grouptsg-solutions.com
Design, construction, and maintenance of energy distribution infrastructures including electric vehicle charging, hydrogen, biofuels, and payment systems for mobility. |
1,513 |
| 48 |
TechnicAtometechnicatome.com
Specialized in compact nuclear reactor design, construction, and maintenance for various sectors including naval propulsion, research, medicine, and energy |
1,467 |
| 49 |
AREVA T&Dalstom.com
Offers solutions for energy transmission and distribution, building high- and medium-voltage substations, and developing technologies for power grid management worldwide, ensuring safe, reliable, and efficient power distribution. |
1,399 |
| 50 |
Voltaliavoltalia.com
Produces, sells electricity from wind, solar, hydro, biomass, storage facilities. Supports clients from design to operation and maintenance. Offers green electricity, energy efficiency, local production. |
1,375 |
| 51 |
SPIE Nucléairespie.com
Designing, building, modifying, maintaining, and dismantling nuclear facilities with electrical, mechanical, climate, and nuclear engineering for low-carbon energy. |
1,267 |
| 52 |
PROXISERVEproxiserve.fr
Provides innovative energy solutions for homes and buildings, specializing in heating, water, and electric vehicle charging, serving condominiums, landlords, and private customers. |
1,256 |
| 53 |
Entrepose Groupentrepose-contracting.com
Design, construction, and operation of onshore, offshore, and underground infrastructures for oil, gas, geothermal, and energy storage projects worldwide. |
1,153 |
| 54 | 1,136 | |
| 55 | 964 | |
| 56 |
Storengy - ENGIEstorengy.com
A global leader in underground natural gas storage, offering innovative solutions and renewable gases such as biomethane and hydrogen across Europe |
841 |
| 57 |
SATELEC - FAYAT ENERGIE SERVICESsatelec.fayat.com
Specializing in new construction, renovation, and maintenance of electrical installations and energy networks across France, with expertise in smart city infrastructure, industrial processes, and energy efficiency |
766 |
| 58 |
SERIMAXserimax.com
Global leader in pipeline welding solutions, offering high quality automatic and manual welding services on land and sea, in tough conditions Specializes in innovative equipment |
748 |
| 59 |
GreenYellowgreenyellow.com
A major player in energy transition, GreenYellow specializes in decentralized PV production, energy efficiency, and electric mobility services for clients worldwide |
747 |
| 60 |
ARGEDISargedis.com
Manages over 180 service stations across France, offering fuel, breaks, coffee, dining, and retail with 3000 employees. |
730 |
| 61 | 729 | |
| 62 | 724 | |
| 63 |
Primagaz Franceprimagaz.fr
With over 85 years of experience, this company distributes liquid gas to homes and businesses, focusing on energy transition and sustainability |
714 |
| 64 |
ANTARGAZantargaz.fr
Distributes liquid gases like butane, propane, and biopropane in bottles, tanks, and networks for homes, businesses, and communities, including fuel for vehicles. |
712 |
| 65 |
Spiecapagspiecapag.com
Onshore pipelines, facilities construction, project management, and related services, delivering turnkey contracts to multinational and national customers. |
692 |
| 66 |
ENGIE Research & Innovationinnovation.engie.com
An innovation-focused company seeking collaborations with startups in Biogas, Energy communities, Energy efficiency, Hydrogen, and Energy storage projects |
686 |
| 67 |
Maurel & Prommaureletprom.fr
Exploration and production of oil and gas with assets in Africa and Latin America, significant stake in Nigerian operator SEPLAT. |
681 |
| 68 |
PCMpcmpumps.com
Develops pumping solutions for transfer and dosing of abrasive, fragile, viscous, corrosive, hot, and heavy products across various industries globally. |
678 |
| 69 | 636 | |
| 70 | 629 | |
| 71 |
Daikin Airconditioning Francedaikin.fr
French subsidiary of a Japanese group, specializing in high-quality residential, commercial, and industrial air conditioning and heating systems and equipment. |
620 |
| 72 |
newcleonewcleo.com
Designing, building, and operating advanced modular reactors cooled by liquid lead and fueled by reprocessed nuclear waste for clean energy. |
616 |
| 73 |
SIPLEC - E.LECLERCsiplec.leclerc
Develops, purchases, and markets energy products and manufactured goods for private labels, supporting E.Leclerc stores and customers worldwide. |
605 |
| 74 |
Blue Pearl Energy Servicesbluepearlenergy.com
The platform brings together small & medium Energy Services companies to provide comprehensive energy efficiency solutions with long-term savings commitments |
577 |
| 75 |
Electrago-electra.com
Deploys and operates fast charging points for electric vehicles, creating a vast, fast, and high-performing network across 9 countries, expanding to 15,000 by 2030. |
573 |
| 76 |
TRAPILtrapil.com
A French company specializing in transporting refined petroleum products through multi-product pipelines, ensuring supply to cities and airports in France |
571 |
| 77 |
Akuoakuoenergy.com
Specializes in renewable electricity production from solar, wind, and storage, covering studies, design, financing, construction, and operation globally. |
542 |
| 78 |
SeaOwl Groupseaowlgroup.com
Provides outsourcing services and technology solutions for Maritime, Defense, and Energy industries, including manpower, managed services, and naval defense systems. |
534 |
| 79 |
GROUPE CORIANCEgroupe-coriance.fr
Providing high-performance and cost-effective energy solutions while minimizing environmental impact, specializing in renewable energy sources like geothermal, biomass, and cogeneration |
509 |
| 80 |
Albiomaalbioma.com
A renewable energy group in Overseas France, Mauritius, Brazil, and Turkey, specializing in producing energy from bagasse, photovoltaic power, and geothermal power |
486 |
| 81 |
North Atlantic Francecorporate.esso.fr
Energy company focusing on production, innovation, and sustainable growth while supporting local employment and adapting to market changes. |
480 |
| 82 |
ENGIE Entreprises et Collectivitésentreprises-collectivites.engie.fr
A part of the ENGIE group, this Business Entity helps B2B clients in France optimize their energy budget through tailored solutions |
477 |
| 83 | 471 | |
| 84 |
RUBIS ENERGIErubisenergie.com
A leading independent energy and bitumen distribution company in Europe, Africa, and the Caribbean, specializing in niche markets and emphasizing sustainability |
470 |
| 85 |
Heurtey Petrochem Solutionsheurtey.net
Design and manufacture process furnaces, waste heat recovery units, and provide feasibility studies and related services for refining and petrochemical industries. |
451 |
| 86 | 444 | |
| 87 |
Cyclifecyclife-edf.com
Integrated services for nuclear decommissioning and radioactive waste management, including treatment, recycling, engineering, and digital solutions for nuclear facilities. |
441 |
| 88 |
Baobab+baobabplus.com
A social business focused on providing energy and digital access in Africa, offering innovative products to improve the lives of local populations |
436 |
| 89 |
BUTAGAZbutagaz.fr
A multi-energy provider in France offering liquid gas, green energy solutions, energy services, and promoting local energy transition through ethical practices and RSE policy |
436 |
| 90 |
Veolia | Énergie & Décarbonationveolia.fr
Provides energy audits, renewable production, smart cooling networks, and performance optimization to ensure sovereignty and environmental footprint reduction for industries and local territories. |
429 |
| 91 |
Veolia Industries Global Solutionsindustries.veolia.com
Specializes in energy efficiency and performance solutions, focusing on optimizing industrial energy use and sustainability practices. |
417 |
| 92 |
IZI by EDFizi-by-edf.fr
A platform specialized in sustainable home renovation, energy efficiency, and electric vehicle charging, dedicated to making energy transition accessible and affordable |
416 |
| 93 |
Forsee Powerforseepower.com
Industrial group specializing in smart battery systems for various electric transport, including design, assembly, supply, installation, commissioning, maintenance, financing, and second-life solutions. |
410 |
| 94 |
STAPEM Offshorestapem-offshore.com
Engineering, marine, subsea, and maintenance services for Oil & Gas and renewables operators with global presence and sustainable growth focus. |
398 |
| 95 |
Service de l’énergie opérationnelledefense.gouv.fr
The company provides energy support for fuels, lubricants, and related products to various military and government organizations in France |
362 |
| 96 |
TSG Francetsg-solutions.com
European leader in technical services for sustainable mobility solutions, specializing in energy infrastructure for electric, hydrogen, and biofuel vehicles, with a wide range of innovative products and solutions |
357 |
| 97 |
NWnw-groupe.com
NW develops innovative solutions for accessible energy transition, specializing in electricity storage and high-power charging technology to support renewable energy development and electric mobility |
352 |
| 98 |
Dalkia Electrotechnicsdalkiaelectrotechnics.fr
Design, construction, operation, and maintenance of high, medium, and low voltage electrical installations for industry, healthcare, education, data centers, logistics, and smart city infrastructure. |
343 |
| 99 |
Eiffage Concessionseiffageconcessions.com
The company specializes in developing sustainable infrastructure projects, focusing on transport, renewable energy, urban facilities, and quality of life improvement for communities |
338 |
| 100 |
GazelEnergiegazelenergie.fr
GazelEnergie is a French energy producer and supplier focused on transitioning to green energy production while also supplying electricity and gas to industrial and small business customers |
337 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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- SaaS companies in Île-de-France 2,654
- IT Services and IT Consulting companies in Île-de-France 2,480
- IT services companies in Île-de-France 2,386
- Retail chains in Île-de-France 2,192
- Software Development companies in Île-de-France 1,805
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- Manufacturers in Île-de-France 1,065
- Public sector organisations in Île-de-France 950
- AI companies in Île-de-France 876
- Recruitment and staffing agencies in Île-de-France 839
- Marketing and communications agencies in Île-de-France 831
- Technology, Information and Internet companies in Île-de-France 795
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- Distributors and wholesalers in Île-de-France 741
- Data and analytics companies in Île-de-France 736
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The same list elsewhere in France
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- Energy companies in Nouvelle-Aquitaine 160
- Energy companies in Occitanie 104
- Energy companies in Provence-Alpes-Côte d'Azur 102
- Energy companies in Grand Est 96
- Energy companies in Pays de la Loire 62
- Energy companies in Hauts-de-France 56
- Energy companies in Brittany 40
- Energy companies in Bourgogne-Franche-Comté 34
- Energy companies in Normandy 30
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- Energy companies in Courbevoie 28
- Energy companies in Toulouse 25