The companies listed here are primarily large firms, many with an international presence, engaged in a variety of sectors including retail, technology, and manufacturing. Notable examples include Decathlon, a global sports retailer, and Dassault Systèmes, which develops virtual world platforms. Hermès, a family-owned French house, creates high-quality objects, while KIABI is a French ready-to-wear retailer.
Several companies are headquartered outside the Grand Est region, such as Decathlon in Villeneuve-d'Ascq and Dassault Systèmes in Velizy-Villacoublay. However, there is a notable presence of higher education institutions within the Grand Est, with Universite de Lorraine in Nancy and University of Strasbourg in Strasbourg, indicating a focus on research and development within the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Decathlondecathlon-united.media
A global sports retailer offering affordable world-class products for beginners to professionals, making sports accessible worldwide |
103,020 | |||
| 2 |
Dassault Systèmes3ds.com
Pioneering virtual worlds since 1981, this company offers a platform enabling customers across industries to collaborate, imagine, and create sustainable innovations for real-life impact. |
27,414 | |||
| 3 |
Hermèshermes.com
Family-owned French house, creates and sells high-quality objects since 1837, cultivating freedom, transmitting exceptional know-how through 16 artisanal métiers. |
26,494 | |||
| 4 | 11,444 | ||||
| 5 |
Disneyland Parisdisneycareers.com
Creates magical experiences for guests through a diverse team. Offers numerous career paths across various departments, from park operations to corporate functions. |
10,460 | |||
| 6 |
Thales Alenia Spacethalesaleniaspace.com
Designing satellite-based systems for telecommunications, navigation, Earth observation, defense, and space exploration, ensuring connections, monitoring our planet, and discovering the Universe. |
8,168 | |||
| 7 |
Groupe VIVESCIAvivescia.com
International cooperative agricultural and food processing group specializing in grain cultivation and value addition, serving farmers and consumers worldwide |
7,100 | |||
| 8 |
European Space Agency - ESAesa.int
Coordinates member resources for space capability development, ensuring benefits for European and global citizens through ambitious space programs. |
7,016 | |||
| 9 |
Universite de Lorraineuniv-lorraine.fr
Leading campus in France, promoting knowledge sharing from basic to humanities, creating interdisciplinary ecosystems to drive innovation, economic and social development Offering diverse academic fields |
6,783 | |||
| 10 |
Air Liquide Healthcareairliquide.com
Provides home healthcare services, medical gases, and specialty ingredients. Supports chronic patients and supplies medical products to hospitals and healthcare professionals. |
6,583 | |||
| 11 |
University of Strasbourgunistra.fr
Research and education in life sciences, health, chemistry, physics, humanities, fostering innovation and partnerships with socio-economic sectors. |
5,938 | |||
| 12 |
Lesaffrelesaffre.com
A global leader in fermentation with a focus on food, health, naturalness, and sustainability, harnessing microorganisms to address the challenge of feeding the growing population |
5,337 | |||
| 13 |
CHRU de Strasbourg - Hôpitaux Universitaires de Strasbourgchru-strasbourg.fr
Provides comprehensive medical services across six specialized hospitals and three logistics sites focusing on surgery, obstetrics, orthopedics, and diverse clinical treatments. |
3,268 | |||
| 14 |
OVHcloudovhcloud.com
Global player and leading European cloud provider operating 450,000 servers within 43 data centers across 4 continents, reaching 1.6 million customers. |
3,251 | |||
| 15 |
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 |
3,166 | |||
| 16 |
Salomonsalomon.com
Designing, manufacturing, and distributing innovative sporting goods since 1947, shaping the future of sport with gear for various outdoor activities. |
2,848 | |||
| 17 |
CHRU de Nancychru-nancy.fr
Provides comprehensive medical-surgical care for all ages, conducts biomedical research, trains health professionals, and significantly contributes to the regional economy and employment. |
2,571 | |||
| 18 |
KUHN Groupkuhn.com
Provides top-quality, innovative agricultural equipment solutions. Focuses on improving farmers' efficiency and contributing to sustainable food production globally. |
2,464 | |||
| 19 |
Technology & Strategytands.com
Provides engineering, digital, and consulting services, developing innovative projects for industrial, automotive, and financial sectors with a focus on human values and global presence. |
2,370 | |||
| 20 |
Gingergroupeginger.com
Leader in independent engineering, specializing in soil, water, material, and environmental engineering, securing projects, optimizing durability, and integrating them environmentally. |
1,777 | |||
| 21 |
Liebherr Miningliebherr.com
A global technology company providing innovative mining solutions, equipment, and support services to help customers thrive in challenging conditions |
1,766 | |||
| 22 |
Ifremerifremer.fr
An organization conducting research on oceans, marine environment, and sustainable maritime activities, providing knowledge, innovation, and expertise for public policy and socio-economic activities |
1,703 | |||
| 23 |
Axima Réfrigération Franceequans.fr
Industrial refrigeration specialist providing installation and maintenance services for food industries, retail, logistics, and chemistry through a network of eighty French regional agencies. |
1,690 | |||
| 24 |
Petit Bateaupetit-bateau.com
Creating durable clothing for over 125 years, focusing on freedom, quality, and sustainability |
1,561 | |||
| 25 |
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. |
1,512 | |||
| 26 |
Exide Groupexidegroup.com
Designs, manufactures, and markets advanced battery technologies for automotive, industrial, and specialized applications, focusing on efficient energy solutions and customer productivity. |
1,440 | |||
| 27 |
CHU de Reimschu-reims.fr
A leading hospital center in Reims offering high-quality healthcare, education, and research services in various medical specialties, with a focus on collaboration and innovation |
1,412 | |||
| 28 |
Vantivavantiva.com
Global technology leader providing broadband, video, and IoT smart systems, connecting people worldwide. Specializes in hardware design and supply chain expertise. |
1,380 | |||
| 29 |
Saint-Gobain PAM Canalisationpamline.com
Global manufacturer and supplier of ductile iron pipe solutions for water transport, sewerage, industrial applications, and drainage systems across diverse international markets. |
1,190 | |||
| 30 |
ERT Technologies SASert-technologies.fr
Designs, builds, operates, and maintains multi-technical telecommunications infrastructure and network architectures across France for operators, local authorities, and major accounts. |
1,186 | |||
| 31 |
BUGATTIbugatti.com
Designing, developing, and manufacturing high-performance, luxurious hyper sports cars, while also expanding into luxury lifestyle products and collaborations. |
1,175 | |||
| 32 |
ISAE-SUPAEROisae-supaero.fr
Educates in aerospace engineering, providing a wide range of science and engineering degrees, including master's, advanced masters, doctoral, and executive programs. |
1,113 | |||
| 33 | 1,071 | ||||
| 34 |
Clayens NPclayens.com
Transforms high-performance polymers, composites, and precision metal parts, offering tailored solutions from project to production across diverse industrial sectors. |
978 | |||
| 35 |
Haulottehaulotte.com
Design, manufacture, and sale of aerial work platforms through global factories and subsidiaries, providing safe, innovative solutions for construction and industrial sectors. |
975 | |||
| 36 |
CORDON GROUPcordongroup.com
Provides electronic product maintenance, repair, logistics, manufacturing, and engineering across 40 sites in 12 countries for various partners. |
907 | |||
| 37 |
Institut Montsourisimm.fr
Private healthcare institution in Paris providing high-quality, comprehensive patient care with recognized medical expertise and top national and international rankings. |
893 | |||
| 38 |
Groupe LSDHlsdh.fr
Processes and packages various liquid foods in cartons or bottles, and fresh salads, managing the entire supply chain from sourcing to delivery. |
864 | |||
| 39 |
Université de Haute-Alsace - UHAuha.fr
Multidisciplinary university offering diverse degree programs, strong research teams, professional training, and close socio-economic partnerships in Alsace region. |
850 | |||
| 40 |
Groupe Lea Naturerecrutement-leanature.com
Develops and manufactures natural organic food, health, beauty, and home products across twenty-one French production sites for diverse distribution networks and sustainability. |
814 | |||
| 41 | 793 | ||||
| 42 |
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. |
661 | |||
| 43 |
ICN Business Schoolicn-artem.com
ICN Business School provides innovative and transdisciplinary education to develop responsible professionals capable of acting in a globalized economic environment |
651 | |||
| 44 |
Université de Haute-Alsace Mulhouse-Colmaruha.fr
It offers multidisciplinary higher education programs from undergraduate to doctorate, conducts fundamental and applied research, and fosters innovation in various scientific and humanities fields. |
649 | |||
| 45 |
Rector Lesagerector.fr
Specializes in precast and prestressed concrete floor systems, offering durable, innovative, and environmentally conscious construction solutions since 1953. |
628 | |||
| 46 | 608 | ||||
| 47 |
Centre François Baclessebaclesse.fr
A leading cancer center in Caen, France, offering top-notch care, education, and research in oncology Specializing in proton therapy for improved cancer treatment |
600 | |||
| 48 |
Bertin Technologiesbertin-technologies.com
Supplies high-end instrumentation, components, equipment, and systems for critical applications such as defense, nuclear, environment, and scientific knowledge improvement. |
566 | |||
| 49 |
EM Strasbourg Business Schoolem-strasbourg.com
Business school offering international programs, triple accredited and integrated into a university, supported by corporate partners and a strong alumni network. |
555 | |||
| 50 |
Eurofins Environment Testing Franceeurofins.fr
Provides extensive analytical testing services across food, environment, pharmaceuticals, agroscience, genomics, pharmacology, and clinical diagnostics worldwide. |
549 | |||
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 |
SOPREMA Francesoprema.fr
A leading independent family-owned group specializing in innovative, energy-efficient building products worldwide, with a focus on waterproofing, insulation, and roofing solutions |
548 | |||
| 52 |
De Dietrichdedietrich.com
Global leader in design, supply of systems, process equipment, solutions for pharma, food, green chemistry, and chemical industries. |
533 | |||
| 53 |
LACROIXlacroix-group.com
Develops and manufactures electronic equipment and connected IoT solutions to create sustainable, safer environments, addressing challenges in various sectors including automotive, industrial, and smart infrastructure. |
531 | |||
| 54 |
EURO PROTECTION SURVEILLANCEeps.fr
French market leader providing twenty-four-seven remote alarm monitoring services for residential and professional properties with nearly forty years of specialized industry expertise. |
524 | |||
| 55 |
Ekinopsekinops.com
Provides open, trusted, and innovative network connectivity solutions. Delivers high value-added software-driven solutions for optical transport and virtualized managed enterprise services. |
509 | |||
| 56 |
IOCioc.eu.com
Provides personalized oenological advice, wine analysis, innovative products, and support throughout winemaking from harvest to bottling worldwide. |
481 | |||
| 57 |
CEE R. SCHISLERceeschisler.fr
Manufacturing diverse paper packaging products including bags, cups, wraps, and specialized items for shopping and fast food industries. |
458 | |||
| 58 |
COMEPAcomepa.com
Manufacture and supply of single-use medical devices designed specifically for surgical procedures and related medical applications. |
440 | |||
| 59 |
Axon' Cable Groupaxon-cable.com
Design and manufacture custom electrical connections, cables, and connectors for harsh environments across automotive, aerospace, defense, medical, and industrial sectors. |
438 | |||
| 60 |
Institut de Cancérologie de Lorraine - ICLicl-lorraine.fr
A cancer center in Lorraine providing specialized care for various types of cancer, conducting research projects, receiving donations for research and patient support, and offering cancer education |
427 | |||
| 61 |
BDR THERMEA FRANCE
Provides innovative heating, air-conditioning, and domestic hot water solutions through well-known French brands focused on sustainable thermal comfort. |
417 | |||
| 62 |
Pharmagest Interactivepharmagest.com
The company develops innovative technological solutions to enhance patient comfort and health, support pharmacists in coordinating healthcare, and improve patient monitoring and home care |
414 | |||
| 63 |
ASCOMETALascometal.com
Specializing in long engineering steel products for Automotive, Bearings, Oil & Gas, and Mechanical Engineering industries, designing, manufacturing, and delivering worldwide |
411 | |||
| 64 |
Poulaillonpoulaillon.fr
A bakery, pastry, and catering company based in Alsace and the Grand-Est region since 1973, offering traditional French products 🥖🇫🇷 |
397 | |||
| 65 |
ACDacd-groupe.fr
Provides modular software suites for accounting professionals, supporting digitalization with comprehensive production and management tools, specialized modules, and third-party integrations. |
377 | |||
| 66 |
MECATHERMmecatherm.fr
A global leader in industrial bakery equipment, specializing in designing and manufacturing ovens, machinery, and automatic production lines for the bakery industry worldwide |
373 | |||
| 67 |
Piveteauboispiveteaubois.com
French manufacturer wood solutions construction, outdoor landscaping, wood energy. Family business, wood industry development, multiple expertise for professionals, 5 exclusive technologies. |
373 | |||
| 68 |
Lohr Grouplohr.fr
Design manufacture market transport systems for goods people including car carriers piggyback rail urban mobility solutions worldwide. |
365 | |||
| 69 |
Forterro FRforterro.com
Deploys 6 ERP solutions and 1 planning solution, covering business processes for startups, SMEs, and multi-site industrial groups to structure activity, optimize management, and foster growth. |
364 | |||
| 70 |
Fibre Excellencefibre-excellence.com
Production of pulp, biomass energy, and timber harvesting using locally sourced, PEFC certified wood supporting local French communities. |
362 | |||
| 71 |
Centre Eugène Marquiscentre-eugene-marquis.fr
Leading cancer center in Brittany, France. Provides medical oncology, radiotherapy, medical imaging, and nuclear medicine. Focuses on care, education, research. |
344 | |||
| 72 |
Knauf Franceknauf.com
Family-owned since 1932, specializing in interior solutions, sound and thermal insulation for professionals Leading global producer of construction materials |
339 | |||
| 73 | 338 | ||||
| 74 |
IMT Mines Albiimt-mines-albi.fr
French engineering school training engineers and doctors. Focus on high-level research and economic development through incubators, technopoles, and competitiveness clusters. |
337 | |||
| 75 |
Hager Francehager.com
Specializing in energy distribution and electric vehicle infrastructure management, providing tailored advice and services to meet clients' needs and requirements |
337 | |||
| 76 |
Malteuropmalteurop.com
A global producer of malt for brewers, distillers, and food companies, with 23 industrial sites in 14 countries. |
337 | |||
| 77 |
SYNERLAB GROUPsynerlab.com
Pharmaceutical services company focused on innovation, enhanced capabilities, and strategic growth through mergers and acquisitions in the pharma sector. |
337 | |||
| 78 |
Groupe JVSgroupe-jvs.fr
The JVS Group consists of 5 specialized software and IT solution companies, focused on sectors like local government, healthcare, and water management, fostering innovation and collaboration |
335 | |||
| 79 |
Withingswithings.com
Develops clinically validated connected health devices, including smart scales and blood pressure monitors, enabling medical-grade measurements and long-term health insights at home. |
333 | |||
| 80 |
Novalixnovalix.com
Fully integrated drug discovery CRO offering support from target identification to preclinical candidates, specializing in medicinal chemistry, pharmacology, and biophysical techniques |
331 | |||
| 81 |
ALSYMEXalsymex-alcen.com
Designing, manufacturing, and installing complex mechanical systems and equipment for diverse sectors including nuclear, aerospace, defense, and medical industries. |
329 | |||
| 82 |
CLEEVENcleeven.com
Offers engineering consulting services, focusing on delivering exceptional technical skills and human qualities to support clients in achieving their project goals. |
328 | |||
| 83 |
Playmobil Franceplaymobil.fr
Design, manufacture, and distribute iconic 7.5 cm figurines across various themes, supporting marketing, logistics, and customer services in France. |
324 | |||
| 84 |
Institut supérieur d'électronique et du numériqueisen.fr
Provides generalist engineering and high technology education across four French campuses as a founding member of the private Yncréa association group. |
322 | |||
| 85 |
Institut Godinotinstitutgodinot.fr
Comprehensive cancer care center providing treatment, research, education, and prevention services to patients in Reims and surrounding regions. |
311 | |||
| 86 | 292 | ||||
| 87 |
OREST GROUPorestgroup.fr
Specializes in jewelry manufacturing, combining industrial and artisanal skills, supporting luxury brands with precision engineering and craftsmanship. |
292 | |||
| 88 | 286 | ||||
| 89 | 284 | ||||
| 90 |
HGH Infrared Systemshgh-infrared.com
Designs, develops, assembles, and sells optronic systems for industrial, civil, defense, and security applications, specializing in innovative infrared technology and advanced sensors. |
283 | |||
| 91 |
Lebronze alloyslebronze-alloys.com
Development and production of high-performance copper and nickel alloys with advanced metal processing technologies for various major industries. |
279 | |||
| 92 |
Corplexcorplex.com
The company offers sustainable products designed to serve a purpose, with resilient properties to be reused instead of ending up in landfills |
276 | |||
| 93 |
Buffet Cramponbuffetcrampon.com
Manufactures woodwind instruments, collaborating with artisans, technicians, and musicians globally to ensure high-quality production and meet diverse musical needs across various brands. |
269 | |||
| 94 |
INSA Hauts-de-Franceinsa-hautsdefrance.fr
National Applied Science Institute, part of a polytechnic university, offering engineering degrees, and conducting research with high-level technological platforms and strong industry ties. |
265 | |||
| 95 |
Divaltodivalto.com
It provides cloud-based management solutions, including CRM and ERP, tailored for various industries, enhancing collaboration and user experience. |
265 | |||
| 96 |
SOPROFENsoprofen.fr
French designer, extruder, and manufacturer of closures, consistently bringing new ideas and technical solutions to installers and users for 40 years. |
264 | |||
| 97 |
Groupe Airwellairwell.com
French brand specializing in air conditioning and heating solutions, present in over 80 countries since 1947, a reference in the industry. |
263 | |||
| 98 |
IRH INGENIEUR CONSEILanteagroup.fr
International engineering and environmental consulting firm serving diverse clients worldwide with expertise in environmental solutions and sustainable development. |
261 | |||
| 99 |
Soprema Groupsoprema.com
global construction materials manufacturer, specializing in waterproofing solutions, with extensive operations worldwide, including manufacturing, subsidiaries, and distribution channels across numerous countries |
260 | |||
| 100 |
Polyceapolyconseil.fr
Offers comprehensive digital transformation support to clients, developing high-value technical solutions and ambitious, state-of-the-art systems for various organizations. |
252 | |||
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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 Nov 12, 2026.
More company lists in Grand Est
- The largest companies in Grand Est 5,706
- Multinational companies in Grand Est 788
- Manufacturers in Grand Est 573
- Retail chains in Grand Est 530
- Public sector organisations in Grand Est 427
- Family-owned companies in Grand Est 365
- Hardware manufacturers in Grand Est 342
- Professional services firms in Grand Est 316
- Distributors and wholesalers in Grand Est 307
- Critical infrastructure operators in Grand Est 259
- IT services companies in Grand Est 248
- SaaS companies in Grand Est 216
- Education providers in Grand Est 215
- IT Services and IT Consulting companies in Grand Est 213
- Software Development companies in Grand Est 211
- Healthcare providers in Grand Est 202
- Construction companies in Grand Est 196
- Contract manufacturers in Grand Est 192
- Retail companies in Grand Est 169
- Government Administration companies in Grand Est 168
- Industrial Machinery Manufacturing companies in Grand Est 166
- Consulting firms in Grand Est 165
- Food and beverage companies in Grand Est 161
- Wholesale companies in Grand Est 159
The same list elsewhere in France
- Companies with in-house R&D in France 8,749
- Companies with in-house R&D in Île-de-France 2,695
- Companies with in-house R&D in Auvergne-Rhône-Alpes 1,460
- Companies with in-house R&D in Occitanie 680
- Companies with in-house R&D in Provence-Alpes-Côte d'Azur 612
- Companies with in-house R&D in Nouvelle-Aquitaine 566
- Companies with in-house R&D in the Hauts-de-Seine department 510
- Companies with in-house R&D in the Rhône department 509
- Companies with in-house R&D in Pays de la Loire 480
- Companies with in-house R&D in Hauts-de-France 410
- Companies with in-house R&D in Brittany 366
- Companies with in-house R&D in the Haute-Garonne department 323
- Companies with in-house R&D in the Bouches-du-Rhône department 320
- Companies with in-house R&D in the Isère department 304
- Companies with in-house R&D in Bourgogne-Franche-Comté 261
- Companies with in-house R&D in the Nord department 237
- Companies with in-house R&D in Normandy 227
- Companies with in-house R&D in the Gironde department 225
- Companies with in-house R&D in the Loire-Atlantique department 207
- Companies with in-house R&D in the Essonne department 198
- Companies with in-house R&D in Centre-Val de Loire 195
- Companies with in-house R&D in Paris 1,249
- Companies with in-house R&D in Lyon 192
- Companies with in-house R&D in Toulouse 172