| # | Company | Employees |
|---|---|---|
| 1 |
University of Lille 1 Sciences and Technologyuniv-lille.fr
Public university specializing in science and technology education, research, and innovation, offering diverse programs and fostering academic excellence. |
8,043 |
| 2 |
Centre Hospitalier de Douaich-douai.fr
Provides extensive medical, surgical, and emergency care with 35 specialties, serving 250,000 people and focusing on community health. |
6,909 |
| 3 |
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 |
| 4 |
DGA - Direction générale de l'armementdefense.gouv.fr
The agency acquires and prepares defense systems, supports European cooperation, and promotes exports, ensuring France's strategic independence and technological leadership in military capabilities. |
4,707 |
| 5 |
IFP Energies nouvellesifpenergiesnouvelles.fr
National research and training institute, innovating for a decarbonized, sustainable world. Low-carbon solutions pave the way for future industrial sectors. |
3,323 |
| 6 |
Université de Picardie Jules Verne (Amiens)u-picardie.fr
A university in Picardie with 30,000 students, 33 research teams, offering diverse degree programs including DUT, licenses, masters, and doctorates A multidisciplinary institution |
2,655 |
| 7 |
CHU Amiens-Picardiechu-amiens.fr
The hospital offers high-quality healthcare, education, and research services at three levels: local, regional, and interregional, with 1,671 beds and over 6,000 staff members |
2,488 |
| 8 |
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 |
| 9 |
VNF - Voies navigables de Francevnf.fr
Public entity managing and maintaining French waterways, ensuring their development and operational efficiency for transportation and environmental purposes. |
1,808 |
| 10 |
Région Hauts-de-Francehautsdefrance.fr
Manages public services including employment, education, transport, and sustainable development for six million inhabitants, attracting foreign investors and transforming its economy. |
1,785 |
| 11 |
Ville de Lillelille.fr
The city focuses on cultural dynamism, popular events, ecological transition, and community well-being through local action and citizen engagement for a peaceful, inclusive city. |
1,678 |
| 12 |
Valenciennes's General Hospitalch-valenciennes.fr
Provides extensive healthcare services with nearly 2000 beds, serving as a key regional hospital and referral center for 800,000 residents. |
1,655 |
| 13 |
Université d'Artoisuniv-artois.fr
Higher education institution offering multidisciplinary programs across sciences, arts, law, economics, management, and social sciences in multiple cities. |
1,245 |
| 14 |
Université Polytechnique Hauts-de-Franceuphf.fr
A multidisciplinary university offering over 170 academic programs from undergraduate to doctoral level across 3 specialized fields, part of a European University network |
1,240 |
| 15 |
Mines Paris - PSLpsl.eu
Trains engineers, produces knowledge for companies, addresses ecological transitions and digital transformations, a leading French engineering school. |
1,218 |
| 16 |
Amiens Métropoleamiens.fr
Located in Amiens, our company thrives in a modern, innovative, and dynamic metropolis with a strong emphasis on quality of life |
1,154 |
| 17 | 1,117 | |
| 18 |
ACADEMIE DE LILLEac-lille.fr
Regional authority managing national education policies, schools, and educational programs within the Lille area, ensuring official communication and administration. |
1,112 |
| 19 |
Université de Technologie de Compiègne (UTC)utc.fr
A public institution combining university and engineering school aspects, focusing on innovation, research, and professional integration for 4500 students in technology fields |
1,062 |
| 20 |
Conseil départemental de l'Oiseoise.fr
Manages public services, infrastructure, and promotes local development, culture, sports, education, and social welfare for residents in the Oise department. |
931 |
| 21 |
CCI Hauts-de-Francecci.fr
Supports regional economic dynamism, fostering business prosperity, job creation, and sustainable development through various services for entrepreneurs and economic actors. |
889 |
| 22 |
Centre Hospitalier de Lensch-lens.fr
Provides comprehensive medical services including emergency care, maternity, pediatrics, cardiology, and specialized units, supported by extensive technical facilities and dedicated healthcare professionals. |
870 |
| 23 |
IUT d'Aix Marseilleiut.univ-amu.fr
This university offers professional and technological training for students in various fields like management, IT, and engineering across multiple campuses in France. |
864 |
| 24 |
Communauté urbaine de Dunkerquecommunaute-urbaine-dunkerque.fr
Focus on residents' well-being and solidarity while promoting coherent territorial development within the urban community since 1968. |
770 |
| 25 |
Conseil départemental de la Sommesomme.fr
Improving the daily lives of residents through social services, infrastructure development, and education, the company is a leader in human and territorial solidarity in Somme |
762 |
| 26 |
Centre Hospitalier de Troyesch-troyes.fr
Leading healthcare provider in Aube, offering 1086 beds across three sites, with reinforced surgical and radiotherapy technical platforms, located 1.5 hours from Paris. |
750 |
| 27 |
CMA Hauts-de-Francecma-hautsdefrance.fr
Supports artisans, offering advice, training, and business development from creation to transmission, adapting to evolving trade needs and realities. |
723 |
| 28 |
PARTENORD HABITATpartenord-legroupe.fr
Public housing organization managing over 52,000 units, providing diverse affordable homes, promoting social ownership, and improving service quality. |
693 |
| 29 |
Centre Hospitalier de Beauvaisch-beauvais.fr
Provides extensive medical, surgical, pediatric, and rehabilitative care with specialized units and advanced technical platforms in a major regional hospital. |
688 |
| 30 |
EPSM Lille-Métropole - GHT Psy NPdCepsm-lm.fr
The Public Mental Health Establishment in Lille-Métropole offers psychiatric services including outpatient care, day hospitals, and specialized facilities for various mental health disorders |
651 |
| 31 | 646 | |
| 32 |
IAE Lilleiaelille.fr
Provides university-level management education across finance, marketing, strategy, HR, and entrepreneurship with initial, continuing, and sandwich courses. |
603 |
| 33 |
Centre hospitalier de Saint-Quentinch-stquentin.fr
Support hospital group managing eleven healthcare facilities serving approximately 400,000 residents in the Aisne-Nord – Haute-Somme region. |
595 |
| 34 | 585 | |
| 35 |
Conseil départemental de l'Aisneaisne.com
Provides regional administrative management, social services, infrastructure maintenance, and community development support within the Aisne department in France. |
580 |
| 36 |
Ville de Roubaixlinkin.bio
Local government of 100,000 inhabitants in Lille, France with a focus on revitalization, art, history, and innovation through the "Made in Roubaix" approach |
565 |
| 37 |
Hôpital Alexandra Lepève - Centre Hospitalier Dunkerquech-dunkerque.fr
Regional health institution, providing various medical services, elderly care, maternity, neonatology, gynecology-obstetrics, family planning, addictology, and health training. |
557 |
| 38 |
Ville de Tourcoingtourcoing.fr
Local government providing administrative, social, and community services to residents of the third largest city in Hauts-de-France. |
547 |
| 39 |
Centre Hospitalier de Compiègne-Noyonch-compiegnenoyon.fr
Based in Compiegne, Hautsdefrance, France, this company operates as a medical practice, offering healthcare services to the local community. |
546 |
| 40 |
Centrale Lillecentralelille.fr
Public higher education institution providing engineering and research training through four specialized schools and multiple master's and doctoral programs. |
544 |
| 41 |
Pas-de-Calais habitatpasdecalais-habitat.fr
Public housing provider with over 40,000 homes, supporting tenants through social missions, training, employment, and community engagement in Pas-de-Calais. |
525 |
| 42 |
GHPSO - Groupe Hospitalier Public du Sud de l'Oiseghpso.fr
Provides public healthcare services, including hospital, long-term care, and elderly care, with a significant presence in its region. |
515 |
| 43 |
Académie d'Amiensac-amiens.fr
Official source for regional education news, rector updates, and career opportunities within the academic administration of Amiens. |
514 |
| 44 |
Mission Locale Lille Avenirsmissionlocale-lille.fr
The company supports disadvantaged youth aged 16 to 25 in Lille with social and professional integration, access to housing, rights, and health services |
509 |
| 45 |
IMT Nord Europeimt-nord-europe.fr
Collaboration between Mines Douai and Télécom Lille created IMT Lille Douai, the largest engineering school in northern France, focusing on research and education in various fields including Big Data, cybersecurity, 3D printing, energy, and environment |
490 |
| 46 |
Lille Métropole Habitatlmh.fr
Management and renovation of nearly 35,000 social housing units, offering diverse rental and sales options with comprehensive tenant services. |
467 |
| 47 |
Caisse Primaire d’Assurance Maladie (CPAM) de l’Oiseameli.fr
Manages health insurance for beneficiaries, facilitating access to rights, care, and health expenditure coverage, also assisting healthcare professionals and employers. |
466 |
| 48 |
Sciences Po Lillesciencespo-lille.eu
Public institution offering a five-year curriculum in social sciences and politics, awarding a Master's degree to students. |
401 |
| 49 |
CHAM : Centre Hospitalier de l'Arrondissement de Montreuilch-montreuil.fr
Hospital providing surgical, emergency, neonatal, psychiatric, rehabilitation, and elderly care services with dedicated staff and modern facilities. |
397 |
| 50 |
CENTRE HOSPITALIER DE TOURCOINGch-tourcoing.fr
A public health establishment in Tourcoing, France, providing a wide range of medical services including infectious diseases, obstetrics, surgery, and geriatrics |
377 |
| 51 |
OPAC de l'Oiseopacoise.fr
Management of nearly 32,000 social housing units across five departments, active in new construction and property maintenance. |
377 |
| 52 |
Agence régionale de santé Hauts-de-Francesante.fr
One of the top health agencies in France's Hauts-de-France region, working to promote public health and ensure efficient healthcare services for 6 million residents |
360 |
| 53 |
Centre Hospitalier de Béthune Beuvryght-artois.fr
Public hospital serving 210,000 people with 510 beds, emergency services, specialized consultations, and continuous quality care improvements. |
359 |
| 54 |
CENTRE HOSPITALIER DE ROUBAIXch-roubaix.fr
Provides medical care and support to approximately 300,000 residents in the northeastern Lille metropolitan area with 3,000 staff. |
352 |
| 55 |
EPSM de l'agglomération lilloise - GHT Psy NPdCepsm-al.fr
Mental health care provider serving Lille area with inpatient, outpatient, therapeutic, addiction, and social support services for psychiatric patients. |
347 |
| 56 |
Centre Hospitalier de Maubeugech-maubeuge.fr
Manages a public health establishment serving 240,000 inhabitants, coordinating medical strategy, quality improvement, and care safety with other local hospitals. |
341 |
| 57 |
Urssaf Nord - Pas-de-Calaisurssaf.fr
Employing nearly 700 people on six sites, the company's mission is to ensure social protection financing with a focus beyond that |
334 |
| 58 |
Centre Hospitalier Boulogne-sur-Merch-boulogne.fr
Provides extensive medical services including emergency care, surgery, intensive care, clinical research, and advanced diagnostic imaging for 400,000 residents. |
321 |
| 59 |
Ville de Dunkerqueville-dunkerque.fr
This company provides information on job offers and municipal life in Dunkirk through their official website |
316 |
| 60 |
CPAM du Hainaut (Assurance Maladie)assurance-maladie.ameli.fr
Working within a collective focused on health protection, this company in the healthcare sector ensures access to care, prevention actions, and healthcare quality control for over 60 million insured individuals |
286 |
| 61 |
Groupe Hospitalier Seclin Carvinghsc.fr
Public multisite healthcare, medicine, surgery, obstetrics, rehabilitation, nursing homes, and residential care for various patient needs. |
286 |
| 62 |
Polytech Lillepolytech-lille.fr
Polytech Lille is a leading engineering school in France, offering high-quality education focused on innovation, collaboration with industry, and international experience for students |
281 |
| 63 |
EPSM DES FLANDRES - GHT Psy NPdCepsm-des-flandres.fr
Provides diverse psychiatric and medico-social care services across multiple sectors, including adult and child psychiatry, specialized units, and memory consultations. |
281 |
| 64 |
CPAM de Roubaix-Tourcoing (Assurance Maladie)assurance-maladie.ameli.fr
A private organization serving a public mission, providing healthcare services to over 540,000 individuals, promoting health, and ensuring access to care |
274 |
| 65 |
Ville de Douaidouai.fr
City with rich heritage, judicial capital, cultural venues, educational institutions, diverse economy, and famous traditional festivals attracting large crowds. |
268 |
| 66 |
Communauté d'Agglomération de Béthune-Bruay, Artois Lys Romanebethunebruay.fr
An intermunicipal public institution formed by the merger of three entities, serving 100 municipalities and over 281,860 residents with various community services and development initiatives |
262 |
| 67 |
Centre Hospitalier de Denainch-denain.fr
Provides comprehensive medical, surgical, obstetric, elderly care, and psychiatric services with modern facilities and continuous quality commitment. |
258 |
| 68 | 255 | |
| 69 |
CPAM de l'Artoisassurance-maladie.ameli.fr
Working at this organization involves putting skills towards protecting the health of over 60 million insured individuals through various projects It focuses on health risks and collaborates with healthcare professionals and employers For more information, visit the provided links |
250 |
| 70 |
Ville de Villeneuve d'Ascqvilleneuvedascq.fr
Urban area combining green spaces, higher education, research, local agriculture, cultural facilities, and active community services for residents. |
250 |
| 71 |
Valenciennes Métropolevalenciennes-metropole.fr
Valenciennes Métropole is an agglomeration of 35 municipalities in Hauts-de-France, focusing on innovation in sustainable mobility, logistics, digital creation, and improving attractiveness |
247 |
| 72 |
GIP ViaPromonavenirpro-hdf.fr
The GIP FCIP de Lille provides education and training services, coordinates projects, offers consulting, and supports professional development in the Hauts-de-France region |
237 |
| 73 |
Etablissement public de santé mentale (EPSM) de la Somme (Amiens)epsm-somme.fr
The public mental health institution in Somme provides prevention, diagnosis, and treatment services for mental illnesses in its designated geographical areas through various facilities |
235 |
| 74 |
AIFEaife.economie.gouv.fr
Drives software architecture, maintains, and implements new projects for the State's financial information system, assisting ministries and users with change management. |
231 |
| 75 |
Centre Hospitalier Saint Amand Les Eauxch-saint-amand-les-eaux.fr
The healthcare center is dedicated to implementing a public health policy for the well-being of all users, continuously improving patient care and contributing to the city's identity |
231 |
| 76 |
Port of Dunkirkdunkerque-port.fr
Manages a major northern European port, focusing on sustainable energy, industrial decarbonization, logistics development, and container traffic growth, contributing significantly to regional economy. |
229 |
| 77 |
European Union Agency for Railwaysera.europa.eu
This agency works on railway safety and interoperability in Europe, aiming to create a seamless and efficient railway network across borders |
226 |
| 78 |
CNOUS (centre national des oeuvres universitaires et scolaires)lescrous.fr
Coordinates a network of regional and local centers to provide students with essential services and support their daily lives and academic success. |
223 |
| 79 |
mairie de béthunebethune.fr
Local government office managing administrative tasks, public services, and community affairs for residents of Béthune, France. |
222 |
| 80 |
Beauvais et son Agglobeauvaisis.fr
A dynamic city in Hauts-de-France with a high quality of life, abundant nature, and thriving economy offering 200 meaningful career opportunities |
217 |
| 81 |
GRETA Grand Hainautgreta-grandhainaut.fr
Adult education, apprenticeships, skills validation, career change support, customized training, and guidance provided by experienced teams in the Grand Hainaut region |
209 |
| 82 |
Ville de Grande-Syntheville-grande-synthe.fr
A city in northern France known for its focus on ecological transition, vibrant community, industry, and innovative actions for residents |
207 |
| 83 |
Communauté Urbaine d'Arrasgrandarras.fr
Management of 46 communes focusing on ecological transition and sustainable development for a population of over 107,000 inhabitants. |
206 |
| 84 |
SGAMI Nord - Secrétariat Général pour lAdministration du Ministère de lIntérieur de la zone Nordnord.gouv.fr
Supports internal security forces, prefectures, and civil security across five departments in real estate, logistics, IT, financial, and human resources. |
197 |
| 85 |
Centre Hospitalier de Laonch-laon.fr
A public health facility in Laon with 447 beds and placements, providing healthcare services to the community |
194 |
| 86 |
Ville d'Arrasarras.fr
Official account representing Arras city, providing administrative information and services as the prefecture of Pas-de-Calais region. |
193 |
| 87 |
Douaisis Agglodouaisis-agglo.com
Douaisis Agglo, established in 2002, unites 35 municipalities, focusing on sustainable development, social cohesion, economic growth, and cultural and recreational activities in the region |
192 |
| 88 |
IUT de Lilleiut.univ-lille.fr
A component of the University of Lille offering diverse quality programs across 13 departments, focusing on successful student outcomes and professional integration |
188 |
| 89 |
Triselectriselec.com
Household waste sorting and recycling services combined with social and professional reintegration programs for people distanced from the labor market. |
183 |
| 90 |
Urssaf Picardieurssaf.fr
The network of Urssaf collects social security contributions, promotes employment policies, prevents payment difficulties, fights illegal labor, simplifies social procedures, and informs decision makers |
181 |
| 91 |
Ville de Lambersartlambersart.fr
The company promotes culture, heritage, and tourism in Lambersart, supporting local businesses, community events, and sustainability initiatives in the area |
178 |
| 92 |
Caf du Pas-de-Calaiscaf.fr
A private social security organization in France provides services to over 300,000 beneficiaries, supporting families, housing access, social integration, and community engagement |
178 |
| 93 |
ENSAIT : École Nationale Supérieure des Arts et Industries Textilesensait.fr
Trains professional engineers through classical and apprenticeship tracks specializing in technical textiles and fashion services for various global industrial applications. |
177 |
| 94 |
CPAM de la Côte d'Opale (Assurance Maladie)ameli.fr
This organization works to protect the health of over 60 million insured individuals through universal access to healthcare, health preservation, and system efficiency |
174 |
| 95 |
CPAM de l'Aisne (Assurance Maladie)assurance-maladie.ameli.fr
The company is committed to protecting the health of over 60 million insured individuals, with a focus on the Aisne region, engaging 400 employees for daily support |
174 |
| 96 |
Agglo Lens-Liévinagglo-lenslievin.fr
Lens-Liévin Agglomeration Community works to improve residents' living conditions through various services including economic development, environment, waste management, housing, and culture Join us in ambitious projects |
169 |
| 97 |
Ville de Creilcreil.fr
The municipality of Creil is leading an innovative project centered around the well-being of its residents through various themes like environment, culture, and solidarity |
165 |
| 98 |
Chambre d'agriculture du Nord - Pas de Calaishautsdefrance.chambres-agriculture.fr
Supports farmers and rural stakeholders, administered by elected members, employs 200 staff, including 150 specialized engineers and technicians, rooted in local territories. |
161 |
| 99 |
Centre Hospitalier Hazebrouckch-hazebrouck.fr
Public hospital providing medical, surgical, obstetric care, emergency services, elderly housing, addiction support, rehabilitation, and specialized consultations with advanced technical facilities. |
160 |
| 100 |
Compiègne et son aggloagglo-compiegne.fr
Support regional economic growth through innovation, diverse industries, strong SME presence, and collaboration with university and R&D centers. |
156 |
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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.
More company lists in Hauts-de-France
- The largest companies in Hauts-de-France 3,752
- Retail chains in Hauts-de-France 398
- Family-owned companies in Hauts-de-France 250
- Manufacturers in Hauts-de-France 222
- IT services companies in Hauts-de-France 204
- IT Services and IT Consulting companies in Hauts-de-France 192
- Distributors and wholesalers in Hauts-de-France 184
- SaaS companies in Hauts-de-France 174
- Critical infrastructure operators in Hauts-de-France 162
- Software Development companies in Hauts-de-France 154
- Retail companies in Hauts-de-France 139
- Healthcare providers in Hauts-de-France 125
- Contract manufacturers in Hauts-de-France 122
- Food and Beverage Manufacturing companies in Hauts-de-France 113
- Financial services firms in Hauts-de-France 112
- Government Administration companies in Hauts-de-France 112
- Consulting firms in Hauts-de-France 110
- Hardware manufacturers in Hauts-de-France 99
- Industrial Machinery Manufacturing companies in Hauts-de-France 94
- Business Consulting and Services companies in Hauts-de-France 93
- Real Estate companies in Hauts-de-France 90
- Accounting firms in Hauts-de-France 88
- Events Services companies in Hauts-de-France 87
- E-commerce companies in Hauts-de-France 86
The same list elsewhere in France
- Public sector organisations in France 3,653
- Public sector organisations in Île-de-France 950
- Public sector organisations in Auvergne-Rhône-Alpes 411
- Public sector organisations in Provence-Alpes-Côte d'Azur 373
- Public sector organisations in Grand Est 361
- Public sector organisations in Nouvelle-Aquitaine 281
- Public sector organisations in Occitanie 273
- Public sector organisations in Pays de la Loire 172
- Public sector organisations in Brittany 151
- Public sector organisations in Normandy 137
- Public sector organisations in Bourgogne-Franche-Comté 123
- Public sector organisations in Centre-Val de Loire 107
- Public sector organisations in Paris 441
- Public sector organisations in Marseille 103
- Public sector organisations in Toulouse 70
- Public sector organisations in Lyon 65
- Public sector organisations in Strasbourg 52
- Public sector organisations in Bordeaux 50
- Public sector organisations in Nantes 48
- Public sector organisations in Lille 45
- Public sector organisations in Rennes 42
- Public sector organisations in Montpellier 39
- Public sector organisations in Grenoble 35
- Public sector organisations in Nice 33