| # | Company | Employees |
|---|---|---|
| 1 |
Crédit Mutuel Alliance Fédéralecreditmutuel.fr
Leading bancassurance provider in France, offering multi-service solutions to individuals, local professionals, and businesses of all sizes, through a vast network of sales points. |
64,344 |
| 2 |
RATPgroupratpgroup.com
Design, operation, and maintenance of global urban transport networks including metro, tram, and bus services across fifteen countries for twelve million daily passengers. |
20,736 |
| 3 |
Banque Populairebanquepopulaire.fr
No description or details about company activities, services, or industry provided in the input document to summarize. |
6,028 |
| 4 |
Sécurité socialelasecurecrute.fr
Provides universal social protection through family allowances, health insurance, retirement pensions, disability support, and social contribution collection in France. |
5,417 |
| 5 |
Crédit Agricole Personal Finance & Mobilityca-personalfinancemobility.com
Leading European consumer credit provider, offering financing and insurance solutions through various channels to support customer projects and needs. |
3,411 |
| 6 |
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 |
| 7 |
BIOGROUPbiogroup.fr
Leading medical biology group, exclusively owned and managed by biologists, handling over 100,000 patients daily with a wide range of routine and specialized biological tests. |
3,020 |
| 8 |
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 |
| 9 |
Cnavlassuranceretraite.fr
Management of public retirement system with digital services, supporting insured individuals through retirement preparation and ongoing retirement assistance. |
2,396 |
| 10 |
BNP Paribas Wealth Managementwealthmanagement.bnpparibas
Leading global private bank, supporting high-net-worth individuals, entrepreneurs, and families in protecting, growing, and passing on their assets, aiming for a sustainable future. |
2,186 |
| 11 |
Banque Populaire Alsace Lorraine Champagne (BPALC)bpalc.fr
A dynamic regional cooperative bank serving 860,000 clients in Alsace, Lorraine, and Champagne, with a strong commitment to the local community |
2,053 |
| 12 |
Hôpital sainte anneghu-paris.fr
Provides access to employment opportunities within hospital settings, specifically listing available positions on a dedicated job platform. |
1,901 |
| 13 |
BANQUE CIC ESTcic.fr
This company specializes in providing professional networking services for businesses and individuals to connect, engage, and build professional relationships |
1,898 |
| 14 |
Caisse d'Epargne Grand Est Europecaisse-epargne.fr
Provides banking and insurance services, finances the regional economy for individuals, associations, businesses, and social housing actors. |
1,795 |
| 15 |
CHR Metz-Thionvillechr-metz-thionville.fr
Operates multiple hospitals, mother-child centers, psychiatric facilities, and nursing homes across Metz and Thionville, serving a large population. |
1,666 |
| 16 |
Régie des Transports de Marseillertm.fr
operation of metro, tramway, and bus lines serving Marseille and neighboring communities, managing public transportation infrastructure and services |
1,664 |
| 17 |
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 |
| 18 |
Eurotunnelleshuttle.com
A company with 2700 team members that manages the Vital Link between Great Britain and the European Continent, promoting connectivity and sustainability |
1,485 |
| 19 |
Crédit Agricole Sud Rhône Alpescredit-agricole.fr
Cooperative banking network providing general banking services with origins in agricultural finance, serving local and international clients. |
1,479 |
| 20 |
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 |
| 21 |
Crédit Agricole du Nord Estcredit-agricole.fr
Mutualist bank focused on local economic and social life, with extensive agency network and dedicated teams serving community clients. |
1,261 |
| 22 |
GROUPE MAUFFREYmauffrey.com
Family-owned French company providing road, river, and rail transport, complex logistics, vehicle rental with drivers, and industrial services across environmental and construction sectors. |
1,228 |
| 23 |
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 |
| 24 |
EPS Ville Evrardeps-ville-evrard.fr
Mental institution takes care of patients in northeast Paris, founded 1860, one of France's biggest hospitals with 56 sites and 110 buildings. |
1,166 |
| 25 |
Filierisfilieris.fr
Offers diverse healthcare services including health centers, medical and paramedical facilities, home care, and medical equipment in former mining basins. |
1,134 |
| 26 |
Crédit Agricole de Lorrainecredit-agricole.fr
Regional bank serving individuals, professionals, businesses, and public entities with local presence, mutual values, and quality financial advice. |
1,118 |
| 27 | 1,071 | |
| 28 |
Hôpitaux Champagne Sudhopitauxchampagnesud.fr
Consolidates several health establishments to offer comprehensive medical services, including general medicine, surgery, psychiatry, and long-term care, for 320,000 residents. |
994 |
| 29 |
Crédit Agricole Alsace Vosgescredit-agricole.fr
Regional bank serving Alsace and Vosges with banking, insurance, and real estate services focused on customer relationships and local development. |
966 |
| 30 |
Hôpitaux Civils de Colmarch-colmar.fr
Public healthcare institution operating four sites in Colmar, providing general, psychiatric, maternal, and elderly care with 1400 beds. |
957 |
| 31 |
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 |
| 32 |
Colas Rail UKcolasrail.co.uk
Leading railway infrastructure service provider specializing in construction, maintenance, and operation of railways, including high speed lines, freight operation, and rolling stock refurbishment |
877 |
| 33 |
Groupama Nord-Estgroupama-gan-recrute.com
A mutualist international group providing insurance and banking services, focusing on local initiatives and employee satisfaction to benefit clients Join their dynamic, responsible team! |
867 |
| 34 |
LD Armateurs (LDA)lda.fr
Specializes in custom industrial maritime solutions, offering ship design, management, and operations in transport, logistics, submarine cables, and renewable energy. |
846 |
| 35 |
Ile-De-France Mobilitésiledefrance-mobilites.fr
Planning, organizing, and financing public transportation across Île-de-France, coordinating multiple stakeholders to improve and modernize transit services. |
800 |
| 36 |
Centre Psychothérapique de Nancy - CPNcpn-laxou.com
A public mental health institution established in 1597, providing mental health care, diagnosis, rehabilitation, and social reintegration for adults, children, and adolescents |
777 |
| 37 |
UEMuem-metz.fr
A long-standing energy partner offering diverse services including electricity, gas, renewables, urban heating, public lighting, and utility software solutions |
772 |
| 38 |
Francilianeleaudiledefrance.fr
Manages drinking water service for 4 million users in 133 municipalities, handles water treatment, maintenance, network, quality control, and customer relations. |
694 |
| 39 |
Groupe Hospitalier Fondation Vallée - Paul Guiraudpsysudparis.fr
Provides public psychiatry services for adults across 11 general psychiatry sectors, serving over 920,000 inhabitants in 30 communes, with specialized care options. |
685 |
| 40 |
ENGIE GREENengie-green.fr
Develops, finances, builds, and operates wind and solar energy facilities, including battery storage, to provide sustainable power across France. |
683 |
| 41 |
SDIS 57 - Sapeurs-Pompiers de la Mosellesdis57.fr
The company provides emergency rescue services for over 1 million residents in Moselle, managing personnel and resources for firefighting and various risks |
609 |
| 42 |
Uneos - Groupe Hospitalier Associatifuneos.fr
This company prioritizes patient care, values their staff, invests in cutting-edge technology for maximum comfort, upholds high standards of quality and innovation, and promotes diversity |
579 |
| 43 |
ADISadis-assurances.com
Management center for insured association specializing in retirement, savings, provident, and health insurance serving over 700,000 members. |
559 |
| 44 |
CHU Guyane - Site de Cayenneght-guyane.fr
Provides comprehensive hospital health services across the territory, including specialized medical care, emergency services, surgeries, and continuous innovation in healthcare and research. |
553 |
| 45 | 545 | |
| 46 |
EPSANch-epsan.fr
Public mental health institution providing psychiatric care, autism resources, long-term care, training, and support for disabled adults in Alsace region. |
540 |
| 47 |
Communauté urbaine du Grand Reimsgrandreims.fr
Managing a large urban and rural territory with 300,000 inhabitants across 143 communes, balancing diverse community needs and development. |
527 |
| 48 |
Fondation de la maison du Diaconat de Mulhousefondation-diaconat.fr
Manages healthcare facilities, medical-social care for the elderly, social services for children, families, housing, and provides training, with numerous partnerships. |
511 |
| 49 | 500 | |
| 50 |
UGECAM ALSACEgroupe-ugecam.fr
A private non-profit organization in Alsace managing SSR facilities and medical-social structures, offering specialized care for all ages and disabilities |
494 |
| 51 | 485 | |
| 52 |
UGECAM Nord-Estgroupe-ugecam.fr
Non-profit organization managing 32 healthcare and social structures in Lorraine and Champagne-Ardenne, specializing in rehabilitation, disability, and various medical fields |
482 |
| 53 |
CTS - COMPAGNIE DES TRANSPORTS STRASBOURGEOIScts-strasbourg.eu
urban public transport operator managing tramway network, infrastructure design, construction, financing, and delivering innovative, high-quality mobility services in Strasbourg. |
455 |
| 54 |
Eurométropole de Metzeurometropolemetz.eu
Provides information and updates through official website and social media channels including Facebook, Twitter, and Instagram for community engagement. |
443 |
| 55 |
CENTRE HOSPITALIER LABORITch-laborit.fr
Public institution specializing in psychiatry and mental health services for the Vienne region, providing comprehensive care and support. |
438 |
| 56 |
The port of Marseille Fosmarseille-port.fr
Leading French port handling diverse goods, managing logistics, ship repair, and welcoming over two million passengers annually at its two harbors, Marseille and Fos. |
437 |
| 57 |
CIC Réseaux en Île-de-Francecic.fr
Regional bank with 300 branches and 2,000 employees supporting 780,000 clients including professionals and businesses across Île-de-France. |
433 |
| 58 |
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 |
| 59 |
Service d'incendie et de secours - Bas-Rhinsis67.alsace
An autonomous public institution managing professional and volunteer firefighters, focusing on prevention, protection, emergency response, and risk assessment and prevention |
421 |
| 60 |
Clinique RHÉNAemploi-clinique-rhena.fr
Provides excellent, innovative healthcare services through over 350 liberal practitioners in a modern facility, supporting 850 employees' professional development and well-being. |
405 |
| 61 |
BECM Banque Européenne Crédit Mutuelbecm.fr
Corporate bank providing financial services and support to businesses, backed by a strong and reliable banking group. |
399 |
| 62 |
Carsat Alsace-Mosellecarsat-alsacemoselle.fr
Administers retirement, prevents occupational risks, supports vulnerable individuals, and processes independent workers' pension applications in Alsace-Moselle. |
393 |
| 63 |
Centre Hospitalier de Châteauroux-Le Blancch-chateauroux.fr
Provides comprehensive medical, surgical, obstetric, psychiatric, and rehabilitation services, including home hospitalization and elderly care, across the Indre department. |
384 |
| 64 |
Est Ensembleest-ensemble.fr
Public territorial institution serving 406,000 residents in 9 Seine Saint-Denis municipalities as one of the 12 territories of the Grand Paris Metropolitan |
380 |
| 65 |
CPAM du Bas-Rhin (Assurance Maladie)assurance-maladie.ameli.fr
Supports 951,000 beneficiaries with healthcare expenses, health preservation, care coordination, and enhanced protection during difficult situations, mobilizing 1,000 employees daily staff. |
349 |
| 66 |
Centre hospitalier de Rouffachch-rouffach.fr
A public mental health facility in Haut-Rhin, serving as a reference center for mental health services and care |
345 |
| 67 |
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 |
| 68 |
Mulhouse Alsace Agglomération - m2Am2a.fr
Management of economic development, transport, education, waste collection, housing, sports, culture, and environmental sustainability in a trinational European region. |
325 |
| 69 |
Centre Hospitalier Emile Durkheimch-emile-durkheim.fr
The company is a public healthcare facility in Vosges, France, dedicated to providing quality patient care and collaborating with other healthcare institutions in the region |
323 |
| 70 |
Centre Hospitalier de Martiguesch-martigues.fr
General hospital providing medical, surgical, obstetric, pediatric, and psychiatric care to support diverse patient health needs. |
320 |
| 71 |
Institut Arnault Tzanck Saint Laurent du Vartzanck.org
Offers various medical facilities including cardiology, surgical centers, hemodialysis, home care, emergency services, medical imaging, nuclear imaging, and physiotherapy. |
316 |
| 72 |
Syndicat des Eaux et de l’Assainissement Alsace-Mosellesdea.fr
The company specializes in water supply and sanitation, serving over 740,000 residents in 450+ municipalities in Bas-Rhin with a focus on local identity and sustainable performance |
314 |
| 73 |
EPSM de la Marneepsm-marne.fr
Specialized psychiatric care for adults, children, elderly, addiction, medico-legal cases, and regional mental health support in Marne. |
313 |
| 74 |
Institut Godinotinstitutgodinot.fr
Comprehensive cancer care center providing treatment, research, education, and prevention services to patients in Reims and surrounding regions. |
311 |
| 75 |
GH70 Groupe Hospitalier de la Haute-Saône - 4 Hôpitaux : Vesoul, Gray, Lure et Luxeuil et 13 EHPADgh70.nous-recrutons.fr
Operates four hospitals and thirteen EHPADs (nursing homes for dependent elderly people), providing comprehensive healthcare and elderly care services in the Haute-Saône region. |
299 |
| 76 |
EuroAirport Basel-Mulhouse-Freiburgeuroairport.com
Airport serving over 8.5 million passengers with 27 airlines connecting 100+ destinations across three economically strong European regions. |
296 |
| 77 |
Clinique Mathilde - Vivalto Santévivalto-sante.fr
Private multidisciplinary healthcare facility certified by HAS, part of Vivalto Santé Group. Provides comprehensive medical services. |
285 |
| 78 |
CPAM de Moselleameli.fr
Working at this company means joining a team committed to protecting the health of over 60 million insured individuals through various projects |
281 |
| 79 |
Noréade, les Régies du SIDEN-SIANagenceenligne.noreade.fr
Management and operation of water supply, sanitation, stormwater, and fire defense services for over 730 municipalities in northern France. |
280 |
| 80 |
SDIS 54 - Sapeurs-pompiers de Meurthe-et-Mosellesdis54.fr
It provides fire and emergency services through professional and volunteer firefighters, medical assistance, and specialized administrative support in Meurthe-et-Moselle. |
272 |
| 81 |
Centre Hospitalier Intercommunal nord-Ardenneshopitaux-nord-ardenne.fr
Four healthcare facilities located in Charleville-Mézières, Fumay, Nouzonville, and Sedan providing medical services to the northern Ardennes region. |
267 |
| 82 |
GROUPE PORTMANNtransports-portmann.com
The company offers comprehensive transport and logistics solutions, focusing on customer service, operational independence, and environmental sustainability, while constantly innovating and optimizing processes |
257 |
| 83 |
Clinique Rive Gauche Toulouseclinique-rivegauche.fr
It offers comprehensive medical and surgical care, including a maternity ward, modern operating rooms, and specialized pediatric and adult surgeries. |
251 |
| 84 |
Groupe COMBRONDEgroupecombronde.com
Founded in 1945 in Auvergne, a family-owned group with steady growth across France Employs 1000 people, operates 20 sites, and has rail and river terminals |
249 |
| 85 |
Soléasolea.info
Provides public transportation services including trams, tram-trains, and buses for the Mulhouse urban area, serving over 275,000 residents. |
236 |
| 86 |
Service Départemental d'Incendie et de Secours des Vosges ( sdis88 )sdis88.fr
An autonomous public establishment providing fire and rescue services in the Vosges department, overseen by the Prefect and the President |
232 |
| 87 |
Rives & Eaux du Sud-Ouestriveseteaux.fr
Manages 500 million cubic meters of water annually, operating 80 dams and 30 public service concessions, supporting water supply for various uses and river replenishment. |
228 |
| 88 |
Louis Pasteur Santélouispasteursante.com
Operating multiple health clinics across Lorraine, providing local and advanced medical care, fighting medical desertification, and fulfilling public service missions with patient well-being at the core. |
227 |
| 89 |
Hexanethexanet.fr
A Reims-based team of internet, network, and telecommunications professionals offering specialized services such as telecom, unified telephony, hosting, and more |
225 |
| 90 |
CHS de Sarreguemineshopitaux-sarreguemines.fr
Public mental health institution offering extensive psychiatric services across multiple sectors, including adult and child psychiatry, with specialized units and outpatient centers. |
223 |
| 91 |
CH Georges Daumézonch-gdaumezon.fr
Public health establishment near Nantes specializing in mental health care, providing specialized services and support for psychiatric patients. |
221 |
| 92 |
ETF Servicesferoway.com
Designing railway safety systems, managing work preparation, material delivery, and site security, ensuring worker safety through training and a robust safety management system. |
217 |
| 93 |
HOPITAL LA PORTE VERTElaporteverte-univi.fr
This hospital provides medical care specializing in geriatrics, oncology, and functional rehabilitation, offering full and day hospitalization, imaging, and balneotherapy services. |
211 |
| 94 |
CLcorsicalinea.com
It provides maritime transport services for passengers and freight between France, Corsica, Sardinia, Tunisia, and Algeria. |
207 |
| 95 |
Clinique les Peupliersclinique-vill-ascq.com
Dedicated to post-acute rehabilitation and re-education, specializing in functional, nutritional, and geriatric rehabilitation, polyvalent medicine, and palliative care with modern facilities. |
201 |
| 96 |
Fondation Saint Françoisfondation-saint-francois.com
Groups clinic, home hospitalization, Handident network, and care centers. Provides comprehensive health services across various medical and support facilities. |
201 |
| 97 |
BTL TRANSPORTSbtl-i.fr
With over 170 years of experience in regional transport, BTL Transports et Logistique operates three agencies in Hauts de France, employing 260 people with a fleet of 150+ tractors |
201 |
| 98 |
FONDATION VINCENT DE PAULfondation-vincent-de-paul.org
Nonprofit foundation managing healthcare and social service institutions supporting vulnerable populations including patients, elderly, children, and people in precarious situations. |
199 |
| 99 |
Institut Strausscentre-paul-strauss.fr
A private collective interest healthcare facility in Strasbourg specializing in cancer care, research, and education, forming the Regional Cancer Institute |
197 |
| 100 |
Communauté d'Agglomération d'Epinalagglo-epinal.fr
Management of economic development, urban planning, social cohesion, housing, transport, tourism, education, water, and cultural facilities across 78 communes. |
191 |
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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 Oct 24, 2026.
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- SaaS companies in Grand Est 179
- Contract manufacturers in Grand Est 171
- IT Services and IT Consulting companies in Grand Est 171
- Healthcare providers in Grand Est 169
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- Food and Beverage Manufacturing companies in Grand Est 143
- Government Administration companies in Grand Est 143
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- Industrial Machinery Manufacturing companies in Grand Est 133
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- Consumer goods companies in Grand Est 124
- Higher Education companies in Grand Est 118
- Accounting companies in Grand Est 115
- Accounting firms in Grand Est 114
- Advertising Services companies in Grand Est 113
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