This selection features large companies operating in the Isère department, primarily concentrated around Grenoble. These firms span various sectors, including manufacturing, retail, and specialized services. Many of them are well-established entities, with founding dates ranging from the mid-19th century to the late 20th century, indicating a history of sustained operations.
Among these companies are Groupe SAMSE, a distributor of building materials; Tessi, specializing in digital transformation and document process management; ARaymond, which designs and manufactures fastening systems; Soitec, a producer of innovative semiconductor materials; and Vicat, a family-owned cement production company. A notable pattern is the strong presence of companies involved in manufacturing and industrial supplies, alongside significant players in retail and specialized technical services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Groupe SAMSEgroupe-samse.fr
An independent group distributing building materials for construction and housing, a leader in eastern France, specializing in DIY and construction material trade for professionals and individuals. |
4,771 | |||
| 2 | 3,960 | ||||
| 3 |
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 | |||
| 4 |
ESF Ecole du Ski Françaisesf.net
Provides ski lessons and safety education across five mountain ranges, focusing on children and adults with professional instructors. |
2,282 | |||
| 5 |
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 | |||
| 6 |
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 | |||
| 7 |
Go Sportgo-sport-ae.vercel.app
Multi-brand retail chain providing professional clothing, footwear, and equipment for men, women, and children across various sports levels with reliable delivery services. |
1,685 | |||
| 8 |
ALTRAD PREZIOSOaltradprezioso.com
Provides multidisciplinary technical engineering services primarily for Oil, Gas, and Power Generation, assisting clients with asset life extension and cost optimization. |
1,663 | |||
| 9 |
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 | |||
| 10 |
Reliancecentrereliance.fr
A training center founded in 1997, focusing on helping organizations optimize collective performance and personal well-being through effective management and team dynamics |
1,557 | |||
| 11 |
Maxi Zoo Francecarriere.maxizoo.fr
Leading pet supplies retailer, offering products and services for animal well-being. Operates physical stores, e-commerce, and mobile app for pets and their owners. |
1,325 | |||
| 12 |
Groupe King Jouetking-jouet.com
Family-founded company operating 250 toy stores and an e-commerce site, generating 300 million euros in sales with over 1000 employees. |
1,264 | |||
| 13 | 1,261 | ||||
| 14 |
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 | |||
| 15 |
Grenoble-Alpes Métropolegrenoblealpesmetropole.fr
Leading administration in Grenoble responsible for transportation, waste management, economic development, and environmental preservation within the city |
1,121 | |||
| 16 |
Ville de Grenoblegrenoble.fr
A territorial authority managing the municipal territory of Grenoble, overseeing a population of nearly 160,000 residents |
1,048 | |||
| 17 |
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 | |||
| 18 |
Verkorverkor.com
Produces low-carbon batteries in France and Europe for electric vehicles and stationary storage, with a Gigafactory operational by 2025. |
997 | |||
| 19 | 990 | ||||
| 20 |
Rossignol Groupgrouperossignol.com
Leading manufacturer of winter sports equipment, specializing in skis and ski boots, with a focus on diversification and growth. |
880 | |||
| 21 | 840 | ||||
| 22 |
PlayerZoneplayer-zone.com
Company offering video game news, live streams of latest games, and exclusive interviews/dossiers Founded by Guillaume HEMMEN, Laetitia CURRETTI, and Laurent DENIS |
831 | |||
| 23 |
SDIS38 - Service Départemental d'Incendie et de Secours de l'Isèresdis38.fr
Organization of fire and rescue services across 21 centers, operational command, prevention actions, and administrative management under local authorities. |
774 | |||
| 24 |
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 | |||
| 25 |
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 | |||
| 26 | 711 | ||||
| 27 |
ESRF - The European Synchrotronesrf.fr
International science facility providing advanced synchrotron radiation for research in biology, medicine, chemistry, physics, and environmental sciences. |
672 | |||
| 28 |
Centre Hospitalier Alpes-Isèrech-alpes-isere.fr
Provides specialized psychiatric care for adults, adolescents, and children across multiple sites, including hospitals and outpatient centers. |
670 | |||
| 29 |
Académie de Grenoblewww1.ac-grenoble.fr
Educational administration covering diverse geographic areas including urban centers and rural mountainous regions with a focus on quality living environments. |
662 | |||
| 30 |
MTBmtb-recycling.fr
Specializes in recycling complex waste, manufacturing recycling machines, and engineering turnkey plants for efficient industrial waste management and recovery. |
653 | |||
| 31 | 646 | ||||
| 32 |
Entrepôt du Bricolageentrepot-du-bricolage.fr
A leading retail company focused on excellence in physical and online stores, offering personalized services and a wide range of products |
637 | |||
| 33 | 605 | ||||
| 34 | 476 | ||||
| 35 |
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 | |||
| 36 |
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 | |||
| 37 |
CEA-Litenliten.cea.fr
Leading European research institute focusing on solar energy, batteries, hydrogen, and circular economy while developing decarbonization tools and eco-innovative industrial partnership solutions. |
445 | |||
| 38 |
Greta Formation - Académie de Grenoblegretaformation.fr
A network of public establishments specializing in professional training, offering a wide range of courses in 10 different fields and providing consultancy services to businesses |
435 | |||
| 39 | 429 | ||||
| 40 |
ACADEMIE DE GRENOBLE RECTORAT (non officielle)www1.ac-grenoble.fr
This company's LinkedIn page is automatically created Personnel from the Grenoble Academy is invited to connect to their official page |
418 | |||
| 41 | 393 | ||||
| 42 |
SESAserfim.com
SESA is a group of 4 companies specialized in designing, implementing, maintaining, and optimizing water networks with expertise in various techniques like encroachment and dewatering |
388 | |||
| 43 |
GEG - Gaz Electricité de Grenoblegroupe.geg.fr
Energy production, distribution, and supply with focus on renewable sources, sustainability, and community engagement across France. |
386 | |||
| 44 | 384 | ||||
| 45 |
La Mut' - GHM de Grenobleghm-grenoble.fr
A non-profit healthcare group in Grenoble offers medical services, surgery, maternity, and more Part of a larger health group focused on social impact and innovation |
383 | |||
| 46 |
Grenoble INP - UGA Recrutementgrenoble-inp.nous-recrutons.fr
Public higher education institution offering engineering and management programs, conducting innovative research, and promoting social and environmental responsibility. |
364 | |||
| 47 |
Sciences Po Grenoble - UGAsciencespo-grenoble.fr
Offers ambitious five-year intellectual programs forming future decision-makers, specializing in social sciences and political studies, with a strong international focus. |
355 | |||
| 48 |
Glénatglenat.com
French publishing house specializing in comics, manga, graphic novels, and high-quality illustrated books on nature, gastronomy, and heritage. |
354 | |||
| 49 |
Centre Hospitalier Lucien Husselch-vienne.fr
The hospital offers a diverse range of medical services including emergency care, specialized treatments, maternity care, geriatrics, and an Institute for Nursing Education |
353 | |||
| 50 |
Minitubesminitubes.com
A company specializing in custom high precision metal tubing manufacturing, offering innovative solutions from design to production with tight tolerance control |
346 | |||
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 | 341 | ||||
| 52 |
Centre Communal d'Action Sociale de Grenoble (CCAS)grenoble.fr
The social services department in Grenoble analyzes community needs and implements policies focusing on seniors, childcare, and poverty/precarity reduction |
341 | |||
| 53 |
Korus Groupkorusgroup.com
Korus Group offers innovative consulting, design, build, furniture, and maintenance solutions to enhance work environments globally, focusing on performance and people |
331 | |||
| 54 | 331 | ||||
| 55 |
VOUSFINANCER - Groupe ASSU 2000vousfinancer.com
Specializing in mortgage brokerage, we provide personalized guidance to individuals throughout the loan process, focusing on transparency and finding the best financing solution |
329 | |||
| 56 |
MasterGridmastergrid.com
MasterGrid specializes in electrical system services from high to low voltage, providing tailored solutions to optimize system lifecycle and improve environmental impact |
328 | |||
| 57 |
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 | |||
| 58 |
IUT2 Grenobleiut2.univ-grenoble-alpes.fr
The IUT2 provides tailored training programs for businesses and local communities, offering a supportive environment for students to develop skills for successful career integration |
322 | |||
| 59 |
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 | |||
| 60 |
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 | |||
| 61 | 312 | ||||
| 62 | 305 | ||||
| 63 |
Groupe Pierre Martinetmartinet.fr
Producer of fresh prepared salads combining authentic recipes, culinary innovation, environmental responsibility, and strong team spirit across Europe. |
302 | |||
| 64 |
Le Grésivaudan - Communauté de communesle-gresivaudan.fr
A community of 43 municipalities with over 100,000 residents, working together to provide services and support in Le Grésivaudan |
296 | |||
| 65 |
Cimm immobiliercimm.com
Network of 200 real estate agencies across France, supporting individuals and professionals in property sales, purchases, and career development. |
293 | |||
| 66 |
Groupe BBLgroupe-bbl.com
A specialist federation offering logistics solutions in contract logistics, overseas transport, road transport, and customs & compliance services Growth from 440 to 2100 employees in 5 years |
292 | |||
| 67 |
Ménage et Servicesmenageetservices.fr
The company offers home cleaning, assistance services, and temporary home care They handle all administrative tasks, guarantee quality, and offer flexible payment options |
291 | |||
| 68 |
SPARTOOspartoo.com
Online retail platform offering extensive footwear and fashion products across Europe and China, with free delivery and returns service. |
290 | |||
| 69 |
Teisseireteisseire.com
Leading producer of organic syrups and fruit juices, specializing in non-alcoholic refreshing beverages with iconic consumer and food service brands. |
287 | |||
| 70 |
Grenoble INP - UGAgrenoble-inp.fr
Public higher education institution combining engineering schools, management programs, and research laboratories within the University Grenoble Alpes. |
287 | |||
| 71 |
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 | |||
| 72 |
SOCARA E.LECLERCrecrutement.leclerc
Major logistics provider supplying over eighty retail outlets across the Rhône-Alpes region, ensuring essential goods reach store shelves through professional teamwork and solidarity. |
278 | |||
| 73 |
CAPIcapi-agglo.fr
Regional agglomeration in Isère with 22 communes, focusing on sustainable development, urban planning, public services, and economic growth. |
275 | |||
| 74 |
Alpes Isère Habitatalpeshabitat.fr
A public establishment in the Auvergne Rhône-Alpes region managing over 30,000 properties with 630 employees providing social support to 55,000 tenants |
274 | |||
| 75 |
GINEYSgineys.com
Specializing in distributing fresh, dry, and frozen food products since 1970, with a focus on quality and innovation (23 words) |
274 | |||
| 76 |
GHND - Groupement Hospitalier Nord-Dauphinéghnd.fr
The healthcare facility provides medical services to a territory with 230,000 residents, offering a range of care including medicine, surgery, pediatrics, and elderly care |
261 | |||
| 77 |
Ville de Saint-Martin-d'Hèressaintmartindheres.fr
Local government providing social services, urban planning, education, culture, and environmental initiatives to support 40,000 residents effectively. |
261 | |||
| 78 |
Pays Voironnaispaysvoironnais.com
Autonomous living area with 31 communes, providing urban functions, services, and economic development through traditional and high-tech industries. |
258 | |||
| 79 |
Clinique Belledonne - ELSANelsan.care
Hospital & health care company in Rhone-Alpes, France, located in Saint-Martin-d'Hères Specializes in providing medical services to patients |
255 | |||
| 80 |
ARTURIAarturia.com
Creates instruments and effects for music creation, encouraging musical discovery and artistic process with accessible and inspiring sonic experiences for musicians. |
253 | |||
| 81 |
MAFELEC TEAMmafelec.com
Designs subassemblies and equipment for harsh environments, providing innovative solutions for various sectors like HMI, railway, industry, and defense. |
249 | |||
| 82 |
GROUPE AGIR à domagiradom.com
Provides home healthcare services specializing in respiratory assistance, infusion, nutrition, diabetes, and medical equipment across 14 French departments. |
247 | |||
| 83 |
SDH (Société Dauphinoise pour l'Habitat)sdh.fr
Manages 22,600 social housing units in Isère across 150 municipalities, constructs new rentals, rehabilitates properties, and acts as urban developer and social landlord. |
247 | |||
| 84 |
WORK 2000recrutement.work2000.fr
Established in 1991, this company offers staffing solutions across France with 42 agencies and over 5,000 temporary workers They focus on familial management |
247 | |||
| 85 |
ikami Franceikami.fr
Innovative international real estate network offering expertise in buying, selling, and managing properties, with a focus on training and support for independent agents |
246 | |||
| 86 |
Clinique des Cèdrescliniquedescedres.com
Modern medical facility offering 24/7 emergency surgical services, continuous care, maternity, orthopedics, and ambulatory surgery with high safety standards. |
244 | |||
| 87 |
ULISlynred.com
Global leader in designing and manufacturing high quality infrared technologies for aerospace, defense, and commercial markets, with a vast portfolio of detectors |
243 | |||
| 88 | 243 | ||||
| 89 |
Grenoble IAEiae.grenoble-inp.fr
A university of management specializing in training specialized managers with double skills, offering B2 to B5 programs in various management fields |
241 | |||
| 90 |
Carlance Institut de Beauté (franchise)franchisecarlance.fr
Support franchisees in creating and managing beauty institutes offering accessible beauty treatments with exclusive management tools and renowned brand partnerships. |
238 | |||
| 91 |
Institut Néel CNRSneel.cnrs.fr
A fundamental research lab specializing in condensed matter physics, with interdisciplinary collaborations in chemistry, engineering, biology, and astrophysics |
237 | |||
| 92 |
FitnessBoutiquefitnessboutique.fr
Europe's leading sports nutrition and home fitness brand, delivering a range of premium products across the globe, recognized in the industry. |
233 | |||
| 93 |
Skyepharma- Fully integrated CDMOskyepharma.fr
Develops, manufactures, and packages complex oral solid dosage forms. Provides tailored solutions from small-scale programs to commercial production for clients. |
232 | |||
| 94 |
Groupe Efiregroupe-efire.com
European leader in industrial sealing, fluids transfer, precision cutting, and technical protection with multiple brands and global clients. |
230 | |||
| 95 |
UNIBIO Laboratoire de Biologie Médicalelabo-unibio.fr
Multisite independent laboratory group owned by medical biologists, providing local medical biology services across the Auvergne-Rhône-Alpes region. |
229 | |||
| 96 |
Hydrokarsthydrokarst.fr
Experts in difficult-access, hydromechanical, underwater, and hyperbaric operations. This includes securing cliffs, maintaining equipment, and executing complex projects in various sectors. |
225 | |||
| 97 |
Laser Game Evolutionlasergame-evolution.com
provider of laser tag games offering individual and team play, with special corporate packages for events, seminars, and HR activities |
224 | |||
| 98 |
BASSETTI Francebassetti-group.com
Provides IT and consulting services, developing customizable software for structuring and capitalizing technical data, improving internal knowledge diffusion within organizations. |
223 | |||
| 99 |
Fondation Georges BOISSELfondation-boissel.fr
Management of mental health, psychic disability, and social reintegration facilities, adapting services to regional health and social policy needs. |
221 | |||
| 100 |
Trixelltrixell.com
Innovative joint venture specializing in X-ray flat panel digital detectors for various medical radiology applications |
218 | |||
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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 11, 2026.
More company lists in the Isère department
- Companies with in-house R&D in the Isère department 304
- 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
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