| # | Company | Employees |
|---|---|---|
| 1 |
CHU de Lillechu-lille.fr
A leading hospital-university campus in northern Europe, specializing in healthcare, research, innovation, and sustainability with over 15,000 professionals and 14 million patients yearly |
5,567 |
| 2 |
Caisse d'Epargne Hauts de Francecaisse-epargne.fr
Financial institution serving customers in the Hauts-de-France region, supporting local development, offering innovative banking solutions, and promoting responsible practices. |
2,473 |
| 3 |
Métropole Européenne de Lille (MEL)lillemetropole.fr
Manages public services for over a million residents across 95 municipalities, covering areas like urban planning, transportation, culture, and economic development. |
2,140 |
| 4 |
Crédit Agricole Nord de Franceca-norddefrance.fr
A regional bank in Nord-Pas de Calais offering savings, financing, insurance, and real estate services with a focus on local development and social progress |
2,000 |
| 5 |
CIC Nord Ouestcic.fr
Regional bank in Hauts-de-France and Normandy with 257 branches, focusing on innovation and societal/environmental issues, supporting clients' projects and needs |
1,592 |
| 6 | 1,315 | |
| 7 | 1,117 | |
| 8 |
Crédit Mutuel Nord Europecreditmutuel.fr
Agile integrated banking group with 4000 employees serving 1.7 million client-members across Paris, Lille, and Brussels regions. |
976 |
| 9 |
Centre Oscar Lambretcentreoscarlambret.fr
Specialized cancer treatment, research, and education center with multidisciplinary professionals dedicated to improving patient outcomes and advancing oncology knowledge. |
561 |
| 10 |
CPAM de Lille-Douaiameli.fr
Manages health, maternity, work accidents, and occupational diseases for beneficiaries. Engages with health professionals and employers, providing public service for social protection. |
447 |
| 11 |
UGECAM Hauts-de-Francegroupe-ugecam.fr
A private non-profit organization providing comprehensive healthcare and social services to patients of all ages with neurological, musculoskeletal, psychiatric, and developmental disorders |
347 |
| 12 |
Institut Catholique de Lilleuniv-catholille.fr
Higher education institution with 13 establishments, research activities, and healthcare services including hospitals and medico-social centers across multiple campuses. |
343 |
| 13 |
Europorteeuroporte.com
French private rail freight operator, providing comprehensive logistics for goods transport, from collection to delivery, industrial site services, and infrastructure management. |
336 |
| 14 |
CLINIQUE AMBROISE PAREclinique-ambroise-pare-lille.ramsaysante.fr
Specialized in ophthalmologic surgery, this clinic, part of Ramsay Santé group, performs 95% of operations on an outpatient basis Offers inpatient and outpatient care |
294 |
| 15 |
HOPITAL PRIVE LA LOUVIEREhopital-prive-la-louviere-lille.ramsaysante.fr
Established in 1972, this private hospital is part of Ramsay Générale de Santé, focusing on providing top medical care in Lille With 210 physicians and surgeons and 600 paramedical caregivers, they offer cutting-edge medical technology and tools for diagnosis and treatment |
224 |
| 16 |
Association L'espoircentre-espoir.com
Provides rehabilitation, medical consultations, and professional training focused on quality care and support for people with disabilities. |
202 |
| 17 |
Hôpital privé Le Boishopital-prive-le-bois-lille.ramsaysante.fr
A private hospital offering multidisciplinary patient care in Medicine, Surgery, and Obstetrics as part of the Ramsay Santé group in Lille |
175 |
| 18 |
Clinique la Mitterieclinique-mitterie.com
Specialized rehabilitation center offering cardiovascular, respiratory, elderly care, and addiction treatment with modern facilities and day hospitalization services. |
166 |
| 19 |
iléo, l'eau de la MELmel-ileo.fr
A Veolia group subsidiary dedicated to distributing drinking water in 66 communities for the MEL, serving over one million residents |
164 |
| 20 |
DIR Norddir.nord.developpement-durable.gouv.fr
A government agency in France maintains and operates the national road network, focusing on major routes in the northern region |
116 |
| 21 |
Mutuelle APREVA SAaesio.fr
Experienced mutual organization providing social protection through local presence, member support, professional service, and strong mutualist solidarity in northern France. |
79 |
| 22 |
SYNLAB HAUTS DE FRANCEhdf.synlab.fr
Provider of comprehensive medical diagnostic services to patients, healthcare professionals, hospitals, clinics, and the pharmaceutical industry through a network of laboratories and specialized facilities |
72 |
| 23 |
Sourcéo, la production d'eau de la MELmel-sourceo.fr
A public industrial and commercial entity producing 50 million cubic meters of quality drinking water annually, managing network investments and fire protection |
61 |
| 24 |
TER Hauts-de-Franceter.sncf.com
The company focuses on simplifying transportation, promoting sustainable mobility, and offering tailored transport solutions in Hauts-de-France region |
60 |
| 25 |
PORTS DE LILLEportsdelille.com
Management of inland port facilities with extensive warehousing, intermodal transport connections by water, rail, and road, and urban freight distribution services. |
55 |
| 26 |
RP Global Francerp-global.com
Develops, invests, builds, operates, and produces independent electricity from wind, solar, and battery storage solutions, focusing on sustainable energy. |
44 |
| 27 |
Banque Privée du Crédit Agricole Nord de Francecredit-agricole.fr
Protect and grow your heritage with personalized advice and access to a wide range of expertise, ensuring exceptional banking experience |
39 |
| 28 |
Transdev Hauts-de-Francetransdev-hdf.fr
Transdev Hauts-de-France develops sustainable and evolving mobility systems in the Opal Coast and Picardy regions, promoting positive, connected, and decarbonized transportation |
18 |
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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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