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The 100 largest critical infrastructure operators in Auvergne-Rhône-Alpes

Tamtam tracks 270 critical infrastructure operators headquartered in Auvergne-Rhône-Alpes. This list ranks the 100 largest by number of employees on LinkedIn, led by Hospices Civils de Lyon - HCL, XPO Logistics Europe and CHU Grenoble Alpes. Their median headcount is 397. Half of them were founded in 1980 or later. The most common headquarters are Lyon (19), Saint-Étienne (9) and Clermont-Ferrand (6).

🇫🇷 Auvergne-Rhône-Alpes100 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
Hospices Civils de Lyon - HCLchu-lyon.fr

Public university hospital provides care, education, research, medical innovation, prevention, and health education with over 22,000 professionals across 14 facilities.

Hospitals and Health Care 🇫🇷 Lyon 8,220 1796
2
XPO Logistics Europexpo.com

Offers end-to-end logistics solutions, including full-truckload, less-than-truckload, pallet distribution, last-mile delivery, global freight forwarding, and warehousing services across Europe.

Transportation, Logistics, Supply Chain and Storage 🇫🇷 Lyon 7,478 2011
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.

Hospitals and Health Care 🇫🇷 Grenoble 3,812 n/a
4
Métropole de Lyongrandlyon.com

Manages various public services including mobility, environment, urban planning, social aid, economic development, and cultural activities for 58 communes.

Government Administration 🇫🇷 Lyon 3,295 2015
5
CHU de Clermont-Ferrandchu-clermontferrand.fr

A university hospital with over 8000 employees in Clermont-Ferrand, providing care, prevention, teaching, and research services across multiple sites

Government Administration 🇫🇷 Clermont-Ferrand 2,531 1767
6
Caisse d'Epargne Rhone Alpescaissedepargnerhonealpes.fr

A prominent banking institution in the Rhône-Alpes region serving individuals, businesses, social economy, housing, local authorities, real estate professionals, and protected individuals

Banking 🇫🇷 Lyon 2,442 2007
7
CHU de Saint-Etiennechu-st-etienne.fr

A leading healthcare institution in Auvergne-Rhône-Alpes region of France, offering specialized medical services and innovative care approaches

Hospitals and Health Care 🇫🇷 Saint-Étienne 2,420 1972
8
Banque Populaire Auvergne Rhône Alpesbanquepopulaire.fr

A regional bank in Auvergne Rhône Alpes region welcoming candidates, clients, and members They recruit hundreds of employees annually and are active on LinkedIn for recruitment

Banking 🇫🇷 Lyon 2,313 2016
9
Crédit Agricole Centre-estca-centrest.com

A regional banking institution with a cooperative and mutualist foundation, providing various financial services to over 1 million clients and supporting regional economic development

Banking 🇫🇷 Champagne-au-Mont-d’Or 2,262 1995
10
Santé Ciesantecie.com

Provides home healthcare, dialysis treatment, and urgent care centers across France and Europe, supporting 500,000 patients annually.

Hospitals and Health Care 🇫🇷 Villeurbanne 1,979 2015
11
Crédit Agricole Centre Francecredit-agricole.fr

Provides banking and financial services to individuals and businesses across five departments, emphasizing local engagement and cooperative values.

Banking 🇫🇷 Clermont-Ferrand 1,638 n/a
12
Crédit Agricole des Savoietous-acteurs-des-savoie.coop

Regional mutual bank with 166 agencies and 2200 employees serving 705,000 clients, focused on innovation, customer relationships, and local presence.

Banking 🇫🇷 Annecy 1,625 1885
13
GCA Groupe Charles Andrecharlesandre.com

Transports hazardous goods, logistics services, road, rail, river, multinational operations, 90 subsidiaries, 9200 employees, 1.3 billion euros revenue.

Transportation, Logistics, Supply Chain and Storage 🇫🇷 Montélimar 1,587 1932
14
Groupe APICILgroupe-apicil.com

A leading French social protection group offering tailored solutions in health, insurance, savings, and retirement, with a focus on client well-being and social responsibility

Insurance 🇫🇷 Lyon 1,446 1938
15
Centre Léon Bérardcentreleonberard.fr

Specialized cancer hospital and research center providing personalized treatment, innovative therapies, and compassionate care to support patients throughout their illness.

Hospitals and Health Care 🇫🇷 Lyon 1,418 1923
16
CIC Lyonnaise de Banquecic.fr

A local bank focusing on client service and supporting the economy with over 160 years of experience, promoting innovation, entrepreneurship, and community involvement

Banking 🇫🇷 Lyon 1,417 1865
17
CNR (Compagnie Nationale du Rhône)tm.fr

French leading producer of 100% renewable electricity, managing the Rhône river for hydroelectricity, navigation, irrigation, and agricultural use, supporting local development and innovation

Electric Power Generation 🇫🇷 Lyon 1,256 1934
18
Le Vinatier - Psychiatrie Universitaire Lyon Métropolech-le-vinatier.fr

Specialized psychiatric hospital providing comprehensive mental health care, treatment, and support services for individuals with mental disorders.

Hospitals and Health Care 🇫🇷 Bron 1,246 1876
19
Elivieelivie.fr

A major provider of home healthcare services in France, assisting over 315,000 patients annually with medical equipment installation and treatment coordination, operating 56 agencies nationwide with 1,500 employees

Home Health Care Services 🇫🇷 Villeurbanne 1,161 2016
20
Grenoble-Alpes Métropolegrenoblealpesmetropole.fr

Leading administration in Grenoble responsible for transportation, waste management, economic development, and environmental preservation within the city

Government Administration 🇫🇷 Grenoble 1,121 1996
21
Caisse d'Epargne d'Auvergne et du Limousin (CEPAL)caisse-epargne.fr

Regional cooperative bank providing banking and insurance services, supporting economic, social, and environmental needs of local communities.

Banking 🇫🇷 Clermont-Ferrand 1,043 1818
22
Crédit Agricole Loire Haute-Loirecredit-agricole.fr

Provides tailored financial solutions through extensive local presence and expertise, serving communities in Loire and Haute-Loire departments.

Banking 🇫🇷 Saint-Étienne 961 n/a
23
Centre hospitalier Métropole Savoie - CHMSch-metropole-savoie.fr

Provides comprehensive medical care across two sites, including emergency, surgery, maternity, cancer treatment, and specialized care for the elderly, focusing on proximity and quality.

Hospitals and Health Care 🇫🇷 Chambéry 957 2015
24
Caisse d'Epargne Loire Drome Ardechecaisse-epargne.fr

Provides regional banking services including savings accounts, loans, and financial advice to individuals and businesses in Loire, Drome, and Ardeche.

Banking 🇫🇷 Saint-Étienne 852 1991
25
Constructelconstructel.net

Specializing in telecommunications and energy sectors, this company excels in designing, installing, and constructing network infrastructures with comprehensive solutions

Telecommunications 🇫🇷 Portes-lès-Valence 850 2003
26
CH Annecy Genevoisch-annecygenevois.fr

A leading hospital in Haute-Savoie resulting from the merger of Annecy and St Julien-en-Genevois hospitals, with over 4600 dedicated staff providing top-notch care

Hospitals and Health Care 🇫🇷 Épagny Metz-Tessy 810 n/a
27
Eurofins Biomniseurofins-biomnis.com

A European leader in specialized medical pathology, providing over 2,500 tests including specialized, authorized analyses with a focus on innovation and international development

Medical and Diagnostic Laboratories 🇫🇷 Lyon 803 1897
28
GT Solutionsgt-solutions.fr

A company specializing in industrial truck rental with drivers, expanding to distribution services, dedicated to client success with customized solutions

Truck Transportation 🇫🇷 Bassens 718 1946
29
Centre Hospitalier Alpes-Isèrech-alpes-isere.fr

Provides specialized psychiatric care for adults, adolescents, and children across multiple sites, including hospitals and outpatient centers.

Hospitals and Health Care 🇫🇷 Saint-Égrève 670 n/a
30
Saint-Étienne Métropolesaint-etienne-metropole.fr

A public intermunicipal cooperation entity in France, Saint-Étienne Métropole manages services for 53 communes with over 400,000 residents, including waste management and transportation

Government Administration 🇫🇷 Saint-Étienne 664 n/a
31
Clermont Auvergne Métropoleclermontmetropole.eu

Metropolitan area with 21 communes and 300,000 residents, focused on development and growth, seeking new talents to tackle future challenges

Government Administration 🇫🇷 Clermont-Ferrand 656 n/a
32
Centre Hospitalier Alpes Lémanch-alpes-leman.fr

A hospital center providing comprehensive care, promoting public hospital values, offering improved patient conditions, ensuring diverse healthcare options, and prioritizing environmental sustainability

Hospitals and Health Care 🇫🇷 Contamine-sur-Arve 651 n/a
33
CENTRE HOSPITALIER ANNECY GENEVOIS

Hospital offering comprehensive medical services including patient care, diagnostics, treatment, and healthcare support in the Auvergne-Rhône-Alpes region.

Medical Practices 🇫🇷 Épagny-Metz-Tessy 649 n/a
34
Hôpital Saint Joseph Saint Lucsaintjosephsaintluc.fr

Innovative hospital in Lyon with 360 beds, 1200 employees, and €130M budget Offers comprehensive healthcare services without extra charges, focusing on patient care

Hospitals and Health Care 🇫🇷 Lyon 646 2002
35
ARHM (soins - accompagnement - recherche)fondationarhm.fr

Management of psychiatric, mental and physical disability, and addiction care facilities serving over 16,000 patients annually in Lyon region.

Hospitals and Health Care 🇫🇷 Lyon 643 1950
36
ACPPA ACCUEIL CONFORT PERSONNES AGEESgroupe-acppa.fr

Providing compassionate and expert support to elderly individuals from home to care facilities, enhancing quality of life and supporting families.

Individual and Family Services 🇫🇷 Francheville 626 1983
37
Valence Romans Agglovalenceromansagglo.fr

Intercommunal structure uniting 54 communes, serving 216,000 residents, focusing on regional cooperation and local development.

Government Administration 🇫🇷 Valence 590 2017
38
Hôpitaux du Lémanhopitauxduleman.fr

Provides comprehensive health care services for 130,000 Chablais residents, including hospitalizations, emergency care, medical consultations, and elderly care.

Hospitals and Health Care 🇫🇷 Thonon-les-Bains 526 1998
39
Centre psychothérapique de l'Aincpa01.fr

Provides comprehensive mental health services, including prevention, diagnosis, treatment, and psychosocial rehabilitation, across general psychiatry, child psychiatry, and gerontopsychiatry for the Ain department.

Mental Health Care 🇫🇷 Bourg-en-Bresse 487 1971
40
Médipôle Lyon-Villeurbannemedipolelyonvilleurbanne.fr

This private hospital pole combines two entities, offering diverse medical and surgical specialties across medicine, surgery, obstetrics, and rehabilitation care.

Hospitals and Health Care 🇫🇷 Villeurbanne 486 n/a
41
centre jean perrincjp.fr

Specialized cancer treatment, research, education, and training center serving 28,000 patients annually with equitable access and no extra fees.

Hospitals and Health Care 🇫🇷 Clermont-Ferrand 448 1973
42
GROUPEMENT HOSPITALIER PORTES DE PROVENCE - hôpital de Montélimargh-portesdeprovence.fr

Provides comprehensive medical, surgical, geriatric, and obstetrical care, emergency services, and training, supporting multiple facilities with 940 beds and 1800 professionals.

Hospitals and Health Care 🇫🇷 Montélimar 441 1980
43
M TAGm-tag.fr

Management and operation of tram and bus lines, mobility agencies, and park-and-ride facilities in the Grenoble metropolitan area.

Urban Transit Services 🇫🇷 Grenoble 429 1975
44
Centre Hospitalier de Bourg-en-Bressech-bourg-en-bresse.fr

Provides comprehensive medical, surgical, and obstetrical care across seven clinical areas, serving over 300,000 residents in the Ain region.

Hospitals and Health Care 🇫🇷 Bourg-en-Bresse 423 n/a
45
Centre hospitalier de Roannech-roanne.fr

Regional hospital serving 160,000 people with specialized units in surgery, pediatrics, cardiology, geriatrics, psychiatry, and advanced medical technology.

Hospitals and Health Care 🇫🇷 Roanne 418 n/a
46
Eurofins Biologie Médicaleeurofins.com

Network of over 280 medical biology laboratories in France providing quality patient care, early diagnostics, and innovative medical testing services.

Medical and Diagnostic Laboratories 🇫🇷 Lyon 412 n/a
47
Hôpitaux Nord-Ouesthno.fr

Comprehensive healthcare services across five hospitals and ten care homes, providing consultations, hospitalizations, and continuous public health coverage.

Hospitals and Health Care 🇫🇷 Villefranche-sur-Saône 407 n/a
48
Établissement Public de Santé Mentale 74ch-epsm74.org

Provides comprehensive mental health services, including inpatient care, outpatient centers, specialized units for adults and children across several locations.

Hospitals and Health Care 🇫🇷 La Roche-sur-Foron 404 1975
49
HOPITAL PRIVE DE LA LOIREhopital-prive-de-la-loire-saint-etienne.ramsaysante.fr

Established in 2005, this private hospital in Saint-Étienne offers a diverse range of healthcare services to meet the needs of the local population

Hospitals and Health Care 🇫🇷 Saint-Étienne 398 2005
50
Courlancy Santécourlancy-sante.com

Leading private hospitalization in Grand Est, offering over 40 medical and surgical specialties with more than 250 practitioners and 1300 employees.

Hospitals and Health Care 🇫🇷 Reims 397 n/a
51
Centre Hospitalier de Moulins-Yzeurech-moulins-yzeure.fr

Second largest healthcare facility in Auvergne with nearly 1000 beds, offering diverse medical services and advanced technical equipment across two locations.

Hospitals and Health Care 🇫🇷 Moulins 396 n/a
52
LOCAMlocam.fr

financial institution providing leasing and credit financing solutions tailored for industrial and commercial businesses across various sectors since 1976

Financial Services 🇫🇷 Saint-Étienne 391 1976
53
GEG - Gaz Electricité de Grenoblegroupe.geg.fr

Energy production, distribution, and supply with focus on renewable sources, sustainability, and community engagement across France.

Renewable Energy Power Generation 🇫🇷 Grenoble 386 1867
54
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

Hospitals and Health Care 🇫🇷 Grenoble 383 1958
55
Mexens ex.Technique Solairemexens.com

French independent renewable energy producer deploying solar photovoltaic and biogas infrastructures in France and internationally, decarbonizing economy and contributing to sustainable development.

Renewable Energy Power Generation 🇫🇷 Biard 383 2008
56
Agglomération du Grand Annecygrandannecy.fr

Coordination of economic, ecological, mobility, housing, and social initiatives across 34 communes to enhance residents' quality of life.

Government Administration 🇫🇷 Annecy 375 2017
57
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

Hospitals and Health Care 🇫🇷 Vienne 353 1967
58
HOPITAL PRIVE JEAN MERMOZhopital-prive-jean-mermoz-lyon.ramsaysante.fr

Hospital and Health Care company in Lyon, France, providing medical services from its location on Av Jean Mermoz in Rhone-Alpes

Hospitals and Health Care 🇫🇷 Lyon 353 2008
59
Infirmerie Protestante de Lyoninfirmerie-protestante.com

Non-profit healthcare institution in Lyon specializing in cardiovascular, cancer, orthopedic, ophthalmology surgeries, and internal medicine services.

Hospitals and Health Care 🇫🇷 Caluire-et-Cuire 346 1844
60
Aéroports de Lyonlyonaeroports.com

Manage and operate Lyon-Saint Exupéry and Lyon-Bron airports, providing passenger services, airline support, and sustainable airport infrastructure management.

Airlines and Aviation 🇫🇷 Lyon St Exupery Aeroport 346 2007
61
HOPITAUX DROME NORDhopitaux-drome-nord.fr

The company is part of a regional hospital network offering high-level healthcare services across six specialized areas with skilled healthcare professionals

Hospitals and Health Care 🇫🇷 Romans-sur-Isère 329 2001
62
Banque de Savoiebanque-de-savoie.fr

La Banque de Savoie supports individuals, professionals, and businesses in realizing their projects for over 100 years through trust, commitment, and personalized services

Banking 🇫🇷 Chambéry 327 1912
63
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

Renewable Energy Power Generation 🇫🇷 Eybens 316 2015
64
Service Départemental d'Incendie et de Secours de la Haute-Savoiesdis74.fr

The company is a public firefighting department in Haute-Savoie, France, consisting of professional and volunteer firefighters, as well as administrative and technical staff They respond to various natural, industrial, technological, and everyday risks in the region

Government Administration 🇫🇷 Annecy 314 n/a
65
Hôpitaux du Pays du Mont-Blanchpmb.fr

Provides comprehensive healthcare services across four sites, including hospitals and nursing homes, with over 1,130 professionals, advanced technical facilities, and medical imaging.

Hospitals and Health Care 🇫🇷 Sallanches 306 n/a
66
Clinique Mutualiste St-Etienne AÉSIO Santéaesio-sante.fr

This private surgical hospital provides high-quality surgery across eight specialized fields, without additional fees for patients, focusing on various surgical disciplines.

Hospitals and Health Care 🇫🇷 Saint-Étienne 300 n/a
67
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

Government Administration 🇫🇷 Crolles 296 2009
68
Clinique du Parc Lyon - ELSANelsan.care

Specialized surgical care center in Lyon offering orthopedic, plastic, ophthalmologic, neuro, bariatric surgeries with advanced imaging and rehabilitation services.

Hospitals and Health Care 🇫🇷 Lyon 295 n/a
69
Annemasse Aggloannemasse-agglo.fr

Management of environment, economy, housing, transport, culture, and social services to improve quality of life in a transborder urban area.

Government Administration 🇫🇷 Annemasse 290 2007
70
Clinique de la Sauvegarderamsaysante.fr

A hospital and health care company based in Lyon, France, specializing in providing medical services to patients in need of care

Hospitals and Health Care 🇫🇷 Lyon 289 2008
71
Crédit Mutuel du Sud-Estcreditmutuel.fr

Mutualist regional bank serving 650,000 clients with 143 branches, supporting local economy, social values, and community partnerships.

Banking 🇫🇷 Lyon 288 1969
72
Centre Hospitalier H. Mondor Aurillacch-aurillac.fr

Regional hospital providing multidisciplinary medical services including surgery, psychiatry, pediatrics, and advanced technical facilities with public health mission.

Hospitals and Health Care 🇫🇷 Aurillac 286 1892
73
CHS de la savoiechs-savoie.fr

public health institution providing mental health care including adult psychiatry, child and adolescent psychiatry, serving entire Savoie department population

Hospitals and Health Care 🇫🇷 Bassens 281 n/a
74
SDIS 63 - Sapeurs-pompiers du Puy-de-Dômesdis63.fr

Public administrative institution managing 3,939 firefighters ensuring 24/7 safety in Puy-de-Dôme Services include emergency response, disaster preparation, and civil safety risk assessment

Public Safety 🇫🇷 Clermont-Ferrand 276 1983
75
CAPIcapi-agglo.fr

Regional agglomeration in Isère with 22 communes, focusing on sustainable development, urban planning, public services, and economic growth.

Government Administration 🇫🇷 L'Isle-d'Abeau 275 2007
76
CENTRE HOSPITALIER DE MONTLUCON NERIS LES BAINSch-montlucon.fr

Public hospital offering comprehensive medical and surgical care, emergency services, and specialized treatments to the Montlucon and surrounding communities.

Hospitals and Health Care 🇫🇷 Montlu??on 272 n/a
77
Centre Hospitalier Saint Cyr au Mont d'Orch-st-cyr69.fr

Public mental health institution providing prevention, diagnosis, treatment, rehabilitation, and social reintegration across a large regional territory.

Hospitals and Health Care 🇫🇷 Saint-Cyr-au-Mont-d'Or 271 1972
78
Grand Chambérygrandchambery.fr

Management of waste, water, sanitation, mobility, major facilities, sustainable development, housing, urban planning, and city policy for 38 communes.

Government Administration 🇫🇷 Chambéry 267 n/a
79
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

Hospitals and Health Care 🇫🇷 Bourgoin-Jallieu 261 2016
80
Pays Voironnaispaysvoironnais.com

Autonomous living area with 31 communes, providing urban functions, services, and economic development through traditional and high-tech industries.

Government Administration 🇫🇷 Voiron 258 1974
81
Cypathcypath.fr

A leading group of 70 pathologists and 400+ staff in France, conducting over 400,000 pathology exams annually, ranking among the top two in the country

Medical Practices 🇫🇷 Villeurbanne 255 1964
82
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

Hospitals and Health Care 🇫🇷 Saint-Martin-d'Hères 255 n/a
83
SYTRALsytral-mobilites.fr

The company aims to provide the best transport network for residents through the development of public transportation services and infrastructure in Lyon

Government Administration 🇫🇷 Lyon 253 1985
84
UGECAM Rhône-Alpesgroupe-ugecam.fr

Management of healthcare and medico-social facilities providing rehabilitation, medical care, and social support with multidisciplinary professional teams.

Hospitals and Health Care 🇫🇷 Saint Didier au Mont d'Or 253 2000
85
GROUPE AGIR à domagiradom.com

Provides home healthcare services specializing in respiratory assistance, infusion, nutrition, diabetes, and medical equipment across 14 French departments.

Home Health Care Services 🇫🇷 Meylan 247 1974
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.

Hospitals and Health Care 🇫🇷 Echirolles 244 n/a
87
VFDvfd.fr

Transport company offering daily commute services for work and school, as well as vacation and leisure travel, covering multiple regions and serving millions of passengers annually

Ground Passenger Transportation 🇫🇷 Saint-Égrève 243 1894
88
Hôpital du Gierhopitaldugier.fr

A public health facility located in the Gier Valley, positioned between Saint-Etienne and Lyon for easy accessibility across the territory

Hospitals and Health Care 🇫🇷 Saint-Chamond 233 n/a
89
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.

Medical and Diagnostic Laboratories 🇫🇷 Chasse-sur-Rhône 229 2002
90
Soins et Santé Groupesoinsetsante.org

Specializing in home care for elderly, sick, and disabled individuals, the association provides a range of coordinated services in the Lyon region for over 50 years

Hospitals and Health Care 🇫🇷 Rillieux-la-Pape 228 1972
91
CPAM de Haute-Savoieameli.fr

A social security organization in Haute-Savoie, part of a national network, working to protect the health of over 60 million insured individuals through various healthcare projects

Government Administration 🇫🇷 Annecy 227 n/a
92
Sogedosogedo.fr

Independent water distributor providing potable water and sanitation services to public communities with local agencies and extensive regional expertise.

Environmental Services 🇫🇷 Lyon 225 1954
93
Mutualité française Loire - Haute-Loire  - Puy-de-Dôme SSAMmutualite-loire.com

Non-profit organization managing a network of over 90 mutual service and care establishments in Loire, Haute-Loire, and Puy-de-Dôme regions Member of Aésio Santé

Hospitals and Health Care 🇫🇷 Saint-Étienne 225 1886
94
MEDIPOLE DE SAVOIEmedipole-de-savoie.fr

This private regional hospital provides comprehensive medical care including emergencies, surgery, chemotherapy, rehabilitation, and various specialized consultations, serving over 65,000 patients annually.

Hospitals and Health Care 🇫🇷 Challes-les-Eaux 223 2009
95
Cpam de la Loire (Assurance Maladie)ameli.fr

Working at an organization committed to protecting the health of over 60 million insured individuals by providing quality healthcare services and support

Government Administration 🇫🇷 Saint-Étienne 223 n/a
96
TELT Lyon Turintelt.eu

Binational public promoter for cross-border freight and passenger railway line, coordinating design and construction of infrastructure, including a 57.5 km base tunnel.

Rail Transportation 🇫🇷 Chambéry 221 2015
97
Compagnie du Mont-Blanccompagniedumontblanc.fr

Mountain cable transport services including ski lifts, cog trains, and excursions across multiple high-altitude ski resorts and tourist sites.

Travel Arrangements 🇫🇷 Chamonix 221 2000
98
Fondation Georges BOISSELfondation-boissel.fr

Management of mental health, psychic disability, and social reintegration facilities, adapting services to regional health and social policy needs.

Hospitals and Health Care 🇫🇷 Bourgoin-Jallieu 221 1970
99
CENTRE HOSPITALIER DE CHAMBERYch-metropole-savoie.fr

Legal merger of Chambéry and Aix-les-Bains hospitals into a single entity providing comprehensive healthcare services in Savoie region.

Hospitals and Health Care 🇫🇷 Chambéry 219 n/a
100
Firalpfiralp.fr

A network-focused company with 12 brands and 3,000 employees offering services in electrical, digital, public lighting, gas network, industrial, and tertiary electricity

Civil Engineering 🇫🇷 Lachassagne 211 1999

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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 Oct 24, 2026.

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