These companies in Isère, predominantly based in Grenoble, represent a mix of established industrial players and newer tech-oriented firms, all engaged in in-house research and development. Sectors include advanced manufacturing, semiconductors, healthcare, and specialized services. Most are mid-sized to large organizations, with a strong presence of companies founded in the latter half of the 20th century.
Key examples include ARaymond, a manufacturer of fastening systems, and Soitec, a leader in semiconductor materials. CEA-Leti develops micro- and nanotechnologies for industrial applications, while Verkor produces low-carbon batteries. CHU Grenoble Alpes is a major regional hospital engaged in health research, and Grenoble Ecole de Management offers business education programs.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
CHU Grenoble Alpeschu-grenoble.fr
Major regional hospital providing comprehensive medical, surgical, emergency care, and health research across multiple specialized disciplines and advanced technology. |
3,812 | |||
| 2 |
ARaymondaraymond.com
Design and manufacture of sustainable fastening, fluid connection, and integration systems for automotive, energy, healthcare, agriculture, and construction industries worldwide through collaborative innovation. |
2,155 | |||
| 3 |
Soitecsoitec.com
A world leader in innovative semiconductor materials production for various electronics markets, striving for disruptive innovation with energy-efficient, competitive products |
1,935 | |||
| 4 |
Grenoble Ecole de Managementgrenoble-em.com
A leading business school offering a wide range of educational programs in French and English, focused on solving complex problems for business and society |
1,595 | |||
| 5 | 1,261 | ||||
| 6 |
CEA-Letileti-cea.com
Development of micro- and nanotechnologies for smart, energy-efficient, and secure industrial applications including healthcare, energy, and digital sectors. |
1,223 | |||
| 7 |
HARDIS GROUPhardis-group.com
consulting and IT services company, a Salesforce pure player, and vendor of the Reflex logistics software suite for retail and supply chain transformation. |
1,015 | |||
| 8 |
Verkorverkor.com
Produces low-carbon batteries in France and Europe for electric vehicles and stationary storage, with a Gigafactory operational by 2025. |
997 | |||
| 9 | 990 | ||||
| 10 |
Rossignol Groupgrouperossignol.com
Leading manufacturer of winter sports equipment, specializing in skis and ski boots, with a focus on diversification and growth. |
880 | |||
| 11 |
Cegelec CEMcegelec-cem.fr
Designs, builds, and integrates equipment for new nuclear constructions, renovations, decommissioning, and high-stakes mechanical and electromechanical engineering projects in nuclear environments. |
770 | |||
| 12 |
LYNREDlynred.com
Designs and manufactures high-quality infrared technologies for aerospace, defense, and commercial markets, including IR detectors for military and thermal imaging equipment. |
749 | |||
| 13 | 711 | ||||
| 14 |
ESRF - The European Synchrotronesrf.fr
International science facility providing advanced synchrotron radiation for research in biology, medicine, chemistry, physics, and environmental sciences. |
672 | |||
| 15 |
MTBmtb-recycling.fr
Specializes in recycling complex waste, manufacturing recycling machines, and engineering turnkey plants for efficient industrial waste management and recovery. |
653 | |||
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. | |||||
| 16 | 605 | ||||
| 17 |
ILL - Institut Laue Langevinill.eu
Provides scientists with high flux neutrons and instruments for fundamental research in physics, chemistry, biology, materials, and nuclear science. |
476 | |||
| 18 |
Serge Ferrari Groupsergeferrari.com
Designs and manufactures innovative composite fabrics for light architectural and exterior landscaping applications focused on durability, safety, design, comfort, and eco-responsibility |
462 | |||
| 19 | 384 | ||||
| 20 |
Minitubesminitubes.com
A company specializing in custom high precision metal tubing manufacturing, offering innovative solutions from design to production with tight tolerance control |
346 | |||
| 21 | 341 | ||||
| 22 | 331 | ||||
| 23 |
ECM Technologies - Industrial Furnacesecm-furnaces.com
Design and supply of vacuum, high-temperature, and thermochemical process machines and solutions for various industrial sectors worldwide. |
326 | |||
| 24 |
Telencotelenco.com
Industrial group designing, manufacturing, and distributing equipment for telecoms and datacom networks through production sites, B2B e-commerce, engineering, and technician training services. |
317 | |||
| 25 |
Waga Energywaga-energy.com
This company converts landfill gas into Renewable Natural Gas (RNG) using patented technology, reducing CO2 emissions and supplying households with biomethane |
316 | |||
| 26 | 312 | ||||
| 27 | 305 | ||||
| 28 |
Grenoble INP - UGAgrenoble-inp.fr
Public higher education institution combining engineering schools, management programs, and research laboratories within the University Grenoble Alpes. |
287 | |||
| 29 |
KAIZEN Solutions (KZS)kaizen-solutions.net
Designs, develops, and maintains customized software solutions for complex and critical technical and industrial systems, from sensor to cloud. |
281 | |||
| 30 |
ARTURIAarturia.com
Creates instruments and effects for music creation, encouraging musical discovery and artistic process with accessible and inspiring sonic experiences for musicians. |
253 | |||
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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 Isère department
- The largest companies in the Isère department 1,457
- Manufacturers in the Isère department 178
- Multinational companies in the Isère department 174
- Hardware manufacturers in the Isère department 143
- Retail chains in the Isère department 100
- Software Development companies in the Isère department 90
- Professional services firms in the Isère department 87
- Public sector organisations in the Isère department 80
- Distributors and wholesalers in the Isère department 78
- IT services companies in the Isère department 75
- SaaS companies in the Isère department 72
- Electronics and semiconductor companies in the Isère department 70
- Contract manufacturers in the Isère department 68
- IT Services and IT Consulting companies in the Isère department 68
- Family-owned companies in the Isère department 61
- Industrial Machinery Manufacturing companies in the Isère department 58
- Consulting firms in the Isère department 57
- Construction companies in the Isère department 52
- Pharmaceutical companies in the Isère department 47
- Education providers in the Isère department 46
- Medical device companies in the Isère department 43
- Critical infrastructure operators in the Isère department 41
- Energy companies in the Isère department 41
- Chemical companies in the Isère department 40
The same list elsewhere in France
- Companies with in-house R&D in France 8,750
- 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 Grand Est 640
- Companies with in-house R&D in Provence-Alpes-Côte d'Azur 613
- 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 321
- 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