The companies listed are large corporations based in Hauts-de-Seine, primarily operating in engineering, energy, and services. They represent established players rather than young companies. For instance, VINCI Concessions is a global leader in mobility infrastructure, Orange is a major telecommunications operator, Schneider Electric focuses on energy technology, and Thales specializes in cybersecurity and defense.
The data shows a strong concentration of headquarters in a few cities within the department. Nanterre hosts several large entities like VINCI Concessions, VINCI Airports, and Faurecia. Similarly, Issy-les-Moulineaux is home to Orange and Sodexo, highlighting specific geographical clusters for these major employers.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Sodexo Live!sodexolive.com
Delivers world-class sports, leisure, and travel experiences, surprising and delighting guests, enriching lives, and turning venues and events into unforgettable memories, boosting revenue growth. |
412,000 | |||
| 2 |
VINCI Concessionsvinci-concessions.com
A global leader in mobility infrastructure, designing, financing, building, operating, and maintaining airports, highways, and railway projects in 23 countries |
219,000 | |||
| 3 |
VINCI Airportsvinci-airports.com
Operates, develops, finances, builds airports globally, optimizing performance, modernizing infrastructure, and driving environmental transition with a net-zero emissions goal. |
219,000 | |||
| 4 |
Orangeorange.com
A leading global telecommunications operator offering services to millions of customers and multinational companies across 26 countries |
146,935 | |||
| 5 |
Sodexosodexo.com
Global leader in sustainable food and valued experiences, offering food and facilities management services, employee benefit solutions, and promoting social responsibility Serving millions daily |
100,222 | |||
| 6 |
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 | |||
| 7 |
Groupe Crédit Agricolecredit-agricole.com
Leading European retail bank offering comprehensive financial services including loans, insurance, asset management, corporate banking, and customer-focused solutions. |
76,287 | |||
| 8 |
Thalesthalesgroup.com
Multinational specializing in cybersecurity, defense, aerospace, digital identity, and secure communications for governments and industries. |
65,031 | |||
| 9 | 45,706 | ||||
| 10 | 38,710 | ||||
| 11 |
Saint-Gobainsaint-gobain.com
Designs, manufactures, distributes materials, services for residential, non-residential, infrastructure markets; provides sustainable, performing, well-being solutions. |
36,697 | |||
| 12 |
Gendarmerie Nationalelinktr.ee
A military institution ensuring security and peace, protecting citizens and their property, conducting judicial police, assisting people, and maintaining order |
33,955 | |||
| 13 |
Faureciafaurecia.com
Designing automotive tech solutions for safe, personalized, connected, and sustainable mobility. A company of the Group FORVIA, contributing to tomorrow's mobility. |
29,764 | |||
| 14 |
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 | |||
| 15 | 24,479 | ||||
| 16 |
Lidl Francelidl.fr
Leading discount retailer in France, operating over 1,570 stores with 45,000 employees. Focuses on proximity, selected assortment, and continuous store modernization. |
21,992 | |||
| 17 |
VINCI Constructionvinci-construction.com
French global construction group, with over 830 companies and 69,000 employees in 100 countries. Specializes in building, civil engineering, and related activities. |
17,372 | |||
| 18 | 15,750 | ||||
| 19 |
My own company (I am self-employed)anglais-pratique.fr
This company provides Project Management and Professional English teaching services to students at EPITA and University of Paris Panthéon-Sorbonne Additionally, the founder maintains a website for French speakers to improve their English skills |
15,746 | |||
| 20 |
Worldlineworldline.com
Helps businesses accelerate their growth journey quickly, simply, and securely with advanced payments technology, local expertise, and customized solutions. |
15,714 | |||
| 21 |
DPDgrouplinkedin.com
Global logistics company, formerly known as DPDgroup, now operating under the name Geopost Connect with us on LinkedIn for updates |
15,615 | |||
| 22 |
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 | |||
| 23 |
Arkemaarkema.com
Designs innovative, sustainable materials; addresses new energy, technology, resource, mobility, and urbanization challenges with materials science expertise. |
14,720 | |||
| 24 |
Crédit Agricole CIBca-cib.com
Corporate and investment bank, global financial services for large corporations and institutions, capital markets, structured finance, commercial banking, pioneering climate finance. |
14,647 | |||
| 25 |
Servierservier.com
Develops pharmaceuticals focused on cardiology, venous diseases, oncology, neurology, and rare diseases, prioritizing patient needs and investing heavily in research. |
14,291 | |||
| 26 |
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 | |||
| 27 |
Transdevtransdev.com
Provides safe, reliable, and innovative public transportation solutions globally, empowering daily freedom to move for millions of passengers across 19 countries, serving common good. |
13,519 | |||
| 28 |
Yves Rochergroupe-rocher.com
Creates natural, effective, and committed cosmetics from plant active ingredients, cultivated and transformed into high-performance formulas, distributed globally with environmental commitment. |
12,823 | |||
| 29 |
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 | |||
| 30 |
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 | |||
| 31 |
Altrancapgemini-engineering.com
Altran, now Capgemini Engineering, offers engineering services Follow them on LinkedIn for updates and insights |
11,652 | |||
| 32 |
Bolloré Logisticscevalogistics.com
A global logistics subsidiary with a powerful network spanning 146 countries, offering tailored solutions with 15,000 professionals, and a focus on community engagement |
11,579 | |||
| 33 |
VINCI Construction Francefrance.vinci-construction.com
Leading French construction company offering general contracting, design-build, and specialized services through its local-global organization, 473 agencies, and 24,000 employees nationwide |
11,427 | |||
| 34 |
AXA en Franceaxa.fr
A global leader in insurance, AXA protects 93 million clients worldwide with a range of products and services for individuals, professionals, and businesses |
11,225 | |||
| 35 | 11,029 | ||||
| 36 |
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 | |||
| 37 |
Croix-Rouge françaisecroix-rouge.fr
Manages a network of health, medico-social, and training establishments and services, employing staff dedicated to assisting vulnerable populations. |
10,865 | |||
| 38 |
Devoteamdevoteam.com
AI-driven tech consulting firm specializing in cloud platforms, cyber, data, and sustainability, guiding businesses through sustainable digital transformation to deliver value. |
10,274 | |||
| 39 |
Societe Generale Corporate and Investment Banking - SGCIBsocietegenerale.com
Supports clients through expansion and challenges, offering tailored solutions, leveraging potential, and providing authentic advisory relationships for financial issues and risk management. |
10,078 | |||
| 40 |
CANAL+ Groupcanalplusgroup.com
Global media and entertainment company operating across audio-visual value chain: production, broadcast, distribution, aggregation, telecom, with stakes in other platforms. |
9,882 | |||
| 41 | 9,778 | ||||
| 42 |
Plastic Omniumplasticomnium.com
Provides innovative automotive solutions: exterior systems, lighting, clean energy, and complex modules. Focuses on zero-carbon mobility through hydrogen and electrification. |
9,551 | |||
| 43 |
Forvis Mazars Groupforvismazars.com
International partnership delivering audit, tax, and advisory services across one hundred countries and territories through an integrated global professional services network. |
9,534 | |||
| 44 |
BNP Paribas Cardifbnpparibascardif.com
Global leader in bancassurance and personal insurance, offering products and services through partnerships to over 80 million customers worldwide. |
9,381 | |||
| 45 |
Vallourecvallourec.com
Provides benchmark tubular solutions for energy, oil and gas, industrial applications, hydrogen, CCUS, geothermal, and solar energy markets. |
8,787 | |||
| 46 |
Nexansnexans.com
Design, manufacture, and services for cable systems across transmission, grid, connectivity, and industry sectors, focusing on sustainable, decarbonized electricity. |
8,776 | |||
| 47 |
Parfums Christian Diordior.com
Creates luxury fragrances and cosmetics, upholding a heritage of innovation and global beauty through meticulous production and cultivation of talent. |
8,660 | |||
| 48 |
Sofitelsofitel.com
Luxury hotel operator worldwide. Cultural connections, extraordinary stays. French art de vivre with local culture, culinary art, wellness, captivating art. |
8,647 | |||
| 49 |
Arval BNP Paribas Grouparval.com
Arval provides full-service vehicle leasing and new mobility solutions, with a global presence serving corporate, small business, and individual clients |
8,525 | |||
| 50 |
Lagardère Travel Retaillagardere-tr.com
Operates retail stores in travel hubs, offering essentials, duty-free, fashion, and foodservice, enhancing traveler experience and value for stakeholders globally. |
8,347 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Assystemassystem.com
Independent nuclear engineering company accelerating energy transition, developing nuclear and renewable energies, power grids, hydrogen projects, and low-carbon transport. |
8,143 | |||
| 52 |
CACEIScaceis.com
Provides asset servicing for asset managers and institutional investors, including execution, clearing, custody, fund administration, and middle-office outsourcing across continents. |
8,046 | |||
| 53 |
Edenrededenred.com
Provides digital solutions for employee benefits, fleet management, and corporate payments, enhancing well-being, purchasing power, and business efficiency through a technology platform. |
8,010 | |||
| 54 | 8,000 | ||||
| 55 | 7,981 | ||||
| 56 |
Keolis Groupkeolis.com
Global leader in shared mobility, co-constructing safe, smart, and sustainable public transport solutions including metros, tramways, buses, and various innovative services. |
7,847 | |||
| 57 |
Belgroupe-bel.com
Leading food producer of dairy, fruit, and plant-based products, globally recognized for branded cheeses and healthy food options distributed in over 120 countries. |
7,770 | |||
| 58 |
Dassault Aviationdassault-aviation.com
French aerospace company designs, builds military aircraft, business jets, and space systems. Leader in new generation fighters, Rafale, Falcon jets, and pioneering digital technologies. |
7,267 | |||
| 59 |
Allianz Franceallianz.fr
Offers comprehensive insurance, assistance, and financial services to individuals, professionals, businesses, and communities worldwide, with a strong presence in France. |
7,227 | |||
| 60 |
Econocomeconocom.com
Supplies, finances, and provides managed services for workplace, audiovisual, and infrastructures, supporting businesses in their digital transformation with equipment and support. |
7,123 | |||
| 61 |
Cofacecoface.com
Manages credit risk for companies, supporting their growth by offering trade credit insurance, business information, debt collection, and factoring solutions. |
6,948 | |||
| 62 | 6,850 | ||||
| 63 |
Actemiumactemium.com
Delivering bespoke solutions and services globally, combining local business unit expertise to create value throughout the industrial life cycle for a sustainable world. |
6,718 | |||
| 64 |
Africa Global Logisticsaglgroup.com
Specializes in international transport, logistics, and supply chain management focused on supporting Africa's transformation and development. |
6,706 | |||
| 65 |
BURGER KING FRANCEburgerking.fr
Second largest burger chain globally, expanding in France with flame-grilled beef, fresh ingredients, customizable burgers, and the iconic WHOPPER®. |
6,509 | |||
| 66 |
JCDecauxjcdecaux.com
Global leader in outdoor advertising, specializing in street furniture, transport advertising, and billboard displays worldwide. |
6,312 | |||
| 67 |
Groupe ETAMetam-groupe.com
Family-owned and independent, a leading international retailer in innovative and creative lingerie and fashion, operating through multiple brands and over 1500 stores globally. |
6,300 | |||
| 68 |
Astekastekgroup.fr
Supports clients with high-value service, deep technical expertise across technology, operations, and engineering, focusing on sustainable digital transformation with humans at the core. |
6,035 | |||
| 69 |
AXA Partnersaxapartners.com
Offers assistance services, travel insurance, and credit protection, helping corporate clients enhance their customers' experience with innovative solutions globally. |
5,905 | |||
| 70 |
TRIGOtrigo-group.com
Provides comprehensive quality solutions and management services for automotive, aerospace, and transport industries, addressing supply chain challenges globally with local expertise. |
5,771 | |||
| 71 |
Pluxeepluxeegroup.com
Leading global partner offering diverse digital products. These provide employees freedom of choice for daily expenses, culture, incentives, and gifts in 28 countries. |
5,644 | |||
| 72 |
METRO Francemetro.fr
Leading food wholesaler for independent restaurants and retailers in France, providing quality products and advice to professional clients, focusing on authentic, healthy, and creative food. |
5,619 | |||
| 73 |
SAGEMCOMsagemcom.com
Provides innovative broadband internet, entertainment, and managed energy solutions. Designs sustainable technology, leader in its markets, with employee ownership. |
5,279 | |||
| 74 |
FDJ UNITEDgroupefdj.com
European champion in gaming and betting, operating a diverse portfolio of iconic brands for 33 million players across 15 countries. |
5,237 | |||
| 75 |
Vulcain Engineering Groupvulcain-eng.com
Provides engineering consulting and project solutions for energy and environmental sectors, delivering technical assistance, expertise, and project management globally. |
5,234 | |||
| 76 |
Groupe TF1groupe-tf1.fr
French media leader in linear TV, streaming, and audiovisual production, offering free entertainment and quality information to millions of French people. |
5,115 | |||
| 77 |
Securitas Francesecuritas.fr
Provides private security services including surveillance and guarding, tailored to meet specific business security needs and requirements. |
5,060 | |||
| 78 |
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 | |||
| 79 |
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 | |||
| 80 |
BNP Paribas Asset Managementbnpparibas-am.com
Manages over —1.6 trillion in assets for clients globally, offering diverse liquid and alternative investment solutions with a strong focus on sustainable strategies. |
4,879 | |||
| 81 |
Eurovia Franceeurovia.fr
Construction and development of transport infrastructure and urban areas, supporting economic growth, social cohesion, and local partnerships. |
4,870 | |||
| 82 |
Fazendafazenda.fr
Fazenda innovates by offering outstanding coffee in convenient capsules for a new and quality-conscious clientele who appreciates exceptional taste |
4,839 | |||
| 83 |
CNP Assurancescnp.fr
Leading global insurer offering personal risk protection, savings, and pension solutions through multi-partnership models, promoting an inclusive and sustainable society. |
4,828 | |||
| 84 |
Synergie Francesynergie.fr
French leader in HR services: recruitment, training, and HR consulting Providing solutions in various sectors, emphasizing proximity, performance, and diversity |
4,804 | |||
| 85 | 4,761 | ||||
| 86 |
Pullman Hotels & Resortsall.accor.com
Offers superior comfort and inspiring spaces in over 155 destinations worldwide, creating new perspectives for guests. Part of a leading hospitality group. |
4,705 | |||
| 87 |
OPENopen.global
Supports large companies and public organizations in digital transformation, focusing on technological performance, sovereignty, digital sobriety, and scaling innovations with advanced solutions. |
4,705 | |||
| 88 |
GEFCOcevalogistics.com
Global logistics, supply chain solutions. Experts respond to demanding challenges, pushing boundaries with agility. Now part of a top 5 global logistics player. |
4,508 | |||
| 89 |
Spie batignollesspiebatignolles.fr
A major player in building, infrastructure, and services, emphasizing trust, initiative, and collective effort for projects aligned with social and environmental challenges |
4,459 | |||
| 90 | 4,445 | ||||
| 91 |
Colas Railcolasrail.com
Imagining innovative, eco-friendly railway solutions for global well-being and future challenges, collaborating internationally to achieve ambitious projects with passionate experts. |
4,428 | |||
| 92 |
CERBA HEALTHCAREcerbahealthcare.com
A leading player in medical diagnosis focusing on prevention, disease detection, early diagnosis, and personalized medicine to advance health worldwide |
4,406 | |||
| 93 |
APC by Schneider Electricapc.com
Provides reliable, efficient, connected, and innovative products for IT equipment, ensuring accessibility and security for dynamic IT in a connected world. |
4,378 | |||
| 94 |
DomusVi Francedomusvi.com
Provides elderly care through innovative therapies and social services while focusing on professional employee development to improve quality of life for residents. |
4,373 | |||
| 95 |
Sogea-Satomsogea-satom.com
An African company specializing in roadworks, civil engineering, hydraulic works, and construction, with a strong focus on quality, teamwork, and customer satisfaction |
4,304 | |||
| 96 |
Orange Cyberdefenseorangecyberdefense.com
Expert cybersecurity business unit of the Orange Group. They are a leading security provider, striving to build a safer digital society. |
4,274 | |||
| 97 |
Ingenicoingenico.com
Provides global payment acceptance and services, deploying millions of payment devices and powering thousands of apps to simplify payments and add value. |
4,265 | |||
| 98 |
Veralliaverallia.com
Leading European producer of glass containers for food and beverages, providing innovative, customized, and environmentally friendly solutions globally. |
4,263 | |||
| 99 |
INDIGO Groupgroup-indigo.com
Global provider of parking, individual mobility, digital solutions, and urban services with strong local presence in nine countries. |
4,262 | |||
| 100 |
Sodexo Benefits and Rewards Servicespluxeegroup.com
Leading global employee benefits and engagement partner, offering 250+ products across 31 countries for daily choices, meals, culture, incentives, and gift vouchers. |
4,189 | |||
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How this list is built
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 Nov 11, 2026.
More company lists in the Hauts-de-Seine department
- Multinational companies in the Hauts-de-Seine department 1,231
- IT services companies in the Hauts-de-Seine department 737
- IT Services and IT Consulting companies in the Hauts-de-Seine department 706
- Professional services firms in the Hauts-de-Seine department 629
- Consulting firms in the Hauts-de-Seine department 563
- Companies with in-house R&D in the Hauts-de-Seine department 510
- SaaS companies in the Hauts-de-Seine department 389
- Business Consulting and Services companies in the Hauts-de-Seine department 304
- Software Development companies in the Hauts-de-Seine department 301
- Retail chains in the Hauts-de-Seine department 292
- Manufacturers in the Hauts-de-Seine department 285
- Advertising Services companies in the Hauts-de-Seine department 281
- Marketing and communications agencies in the Hauts-de-Seine department 235
- Subscription businesses in the Hauts-de-Seine department 228
- Hardware manufacturers in the Hauts-de-Seine department 199
- Financial services firms in the Hauts-de-Seine department 198
- Companies with a mobile app in the Hauts-de-Seine department 189
- Critical infrastructure operators in the Hauts-de-Seine department 169
- AI companies in the Hauts-de-Seine department 159
- Education providers in the Hauts-de-Seine department 159
- Cybersecurity companies in the Hauts-de-Seine department 154
- Distributors and wholesalers in the Hauts-de-Seine department 154
- Recruitment and staffing agencies in the Hauts-de-Seine department 152
- Energy companies in the Hauts-de-Seine department 144
The same list elsewhere in France
- The largest companies in France 90,813
- The largest companies in Île-de-France 36,143
- The largest companies in Auvergne-Rhône-Alpes 11,033
- The largest companies in Provence-Alpes-Côte d'Azur 6,699
- The largest companies in Occitanie 5,769
- The largest companies in Grand Est 5,700
- The largest companies in Nouvelle-Aquitaine 5,460
- The largest companies in the Rhône department 4,813
- The largest companies in Hauts-de-France 4,505
- The largest companies in Pays de la Loire 4,269
- The largest companies in the Bouches-du-Rhône department 3,318
- The largest companies in Brittany 3,058
- The largest companies in the Nord department 2,806
- The largest companies in the Gironde department 2,435
- The largest companies in the Haute-Garonne department 2,406
- The largest companies in Normandy 2,380
- The largest companies in the Loire-Atlantique department 2,046
- The largest companies in Bourgogne-Franche-Comté 1,867
- The largest companies in Centre-Val de Loire 1,701
- The largest companies in the Alpes-Maritimes department 1,538
- The largest companies in Paris 22,790
- The largest companies in Lyon 2,679
- The largest companies in Toulouse 1,565
- The largest companies in Marseille 1,534