| # | Company | Employees |
|---|---|---|
| 1 |
CHU de Nanteschu-nantes.fr
The company specializes in technical collaborations, continuing education, scientific research, and assistance for foreign patients in the field of international affairs |
5,305 |
| 2 |
Nantes Universitéuniv-nantes.fr
Unites higher education, research, and innovation stakeholders to develop research excellence, especially for future health and industry, offering new training opportunities. |
4,270 |
| 3 |
CHU d'Angerschu-angers.fr
A leading French healthcare institution providing healthcare, education, and research, employing over 6,800 staff with diverse specialties and career development opportunities |
2,754 |
| 4 |
Nantes Métropolelinktr.ee
This organization in Nantes and its metropolitan area aims to create a new development model, embracing solidarity, collaboration, creativity, and openness They provide updates on local news |
2,524 |
| 5 |
Université d'Angersuniv-angers.fr
A university in the heart of Val de Loire, offering over 450 degrees, with a focus on research and strong partnerships nationally and internationally |
2,337 |
| 6 |
Région Pays de la Loirepaysdelaloire.fr
Regional government managing economic growth, cultural events, education, transport, innovation, and community services across diverse urban and rural areas. |
1,457 |
| 7 |
Département de Loire-Atlantiqueloire-atlantique.fr
Provides local government administration and public services for the Loire-Atlantique region, managing community needs and regional development. |
1,437 |
| 8 |
Centre Hospitalier du Mansch-lemans.fr
Provides comprehensive healthcare services with 1658 beds, offering general medical, surgical, and emergency care to patients. |
1,305 |
| 9 |
Le Mans Universitéuniv-lemans.fr
Offers diverse labor-market-oriented programs, conducting research and teaching activities with global partners across two campuses, promoting student and researcher mobility. |
1,228 |
| 10 |
Ville d'Angersangers.fr
Historic city with strong tourism, vibrant student population, international business presence, global partnerships, and cultural exchanges fostering European and global connections. |
1,049 |
| 11 |
Département de Maine-et-Loirerecrutement.maine-et-loire.fr
Over 2,000 territorial agents provide diverse public services including social support, technical maintenance, and administrative functions across the department. |
970 |
| 12 |
Le Mans Ville, Métropole et CCASlemans.fr
Historic city with rich culture, strong economy, extensive urban development, educational institutions, and dynamic community fostering innovation and quality of life. |
955 |
| 13 |
Académie de Nantesac-nantes.fr
Manage education system for 889,000 students and 70,700 staff across five departments, focusing on professional training and high exam success rates. |
937 |
| 14 |
Hôpitaux de Vendéechd-vendee.fr
A network of 7 hospitals in Vendée, France, providing healthcare services with a total of 4,600 beds and 8,500 staff members |
873 |
| 15 |
Semitansemitan.fr
A public-private entity managing public transport in Nantes, overseeing network construction, renovation, and coordination of all mobility services in the region |
727 |
| 16 |
Centre Hospitalier de Saint-Nazairehopital-saintnazaire.fr
Public hospital providing extensive medical, surgical, emergency, mental health, elderly care, and preventive services across multiple regional sites. |
669 |
| 17 |
Centre Hospitalier de Choletch-cholet.fr
Recruitment of medical and non-medical personnel for hospital activities including acute care, rehabilitation, psychiatry, and elderly care facilities. |
608 |
| 18 |
Centrale Nantesec-nantes.fr
Trains versatile engineers with high scientific, technical levels and strong managerial culture, integrating environmental, societal issues into global contexts. |
600 |
| 19 |
Département de la Sarthesarthe.fr
The company is an elected departmental assembly responsible for defining policies, managing affairs, and budgeting, with a focus on social services, transportation, education, and cultural programs |
574 |
| 20 |
Département de la Vendéevendee.fr
The departmental council of Vendée offers diverse public services in social, cultural, and educational fields, serving as the main public employer in the region |
556 |
| 21 |
Chambre d'agriculture Pays de la Loirepays-de-la-loire.chambres-agriculture.fr
Provides proximity services, advice, and support to farmers and communities, fostering innovation and sustainable agricultural transitions. Offers experimental stations and expert guidance. |
549 |
| 22 |
Oniris Nantesoniris-nantes.fr
Educates veterinarians, superior technicians, and engineers in animal health, public health, food sciences, and bioprocesses, actively supporting 'one medicine, one health'. |
543 |
| 23 |
Département de la Mayennelamayenne.fr
Local government providing diverse public services with focus on solidarity, quality of work life, gender equality, and professional development. |
501 |
| 24 |
Carsat Pays de la Loirecarsat-pl.fr
Regional social security organization managing retirement, social action, and occupational risk prevention for employees, retirees, and businesses in Pays de la Loire. |
491 |
| 25 |
EPSM de la Sartheepsm-sarthe.fr
Public mental health institution providing prevention, diagnosis, and ambulatory psychiatric care for all ages across Sarthe department. |
480 |
| 26 |
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 |
| 27 |
Centre hospitalier de Lavalchlaval.fr
The company is a healthcare facility in the Pays de la Loire region, serving a population of 340,000 with a team of 2,500 healthcare professionals |
403 |
| 28 |
Centre Hospitalier Georges Mazurellech-mazurelle.fr
Specialized mental health care for children, young people, adults, and elderly persons, providing support and treatment across all ages. |
388 |
| 29 |
SDIS49 Sapeurs-pompiers de Maine-et-Loiresdis49.fr
An administrative public institution in Maine-et-Loire providing emergency response and prevention services with 76 fire and rescue centers and over 3250 staff |
383 |
| 30 |
Centre de Santé Mentale Angevin (CESAME)ch-cesame-angers.fr
This public mental health institution provides psychiatric care to children, adolescents, and adults in the Maine-et-Loire department through various treatment facilities |
354 |
| 31 |
Institut français du cheval et de l'équitation - IFCEifce.fr
Public operator managing equine heritage, research, professional training, regulatory expertise, health traceability, and support for equestrian sports policies in France. |
353 |
| 32 |
Urssaf Pays de la Loireurssaf.fr
A company specializing in collecting social security contributions and family allowances on behalf of the government |
342 |
| 33 |
Assurance Maladie de Loire-Atlantique (CPAM)cpam44.fr
The company supports over 1 million individuals with healthcare expenses, wellbeing preservation, care coordination, and enhanced protection in difficult situations |
332 |
| 34 |
La Roche-sur-Yon, Ville & Agglomérationlarochesuryon.fr
A regional administrative and economic hub in Vendée, offering diverse job opportunities in a dynamic and motivating professional environment |
331 |
| 35 |
Faculté de Droit et des Sciences Politiques de Nantes Universitédroit.univ-nantes.fr
A leading component of Nantes University offering diverse legal and political science programs, research collaborations, international openness, and competent staff attracting growing student enrollment |
326 |
| 36 |
IUT de Nantesiutnantes.univ-nantes.fr
Higher education institution offering multidisciplinary technological degrees from Bac+3 to Bac+5 with strong industry ties and research focus. |
294 |
| 37 |
Chambre de Commerce et d'Industrie de Nantes St-Nazairepaysdelaloire.cci.fr
This organization provides services and support to businesses in the Nantes St-Nazaire region, helping them thrive in commerce and industry |
288 |
| 38 |
Agence régionale de Santé Pays de la Loirepays-de-la-loire.ars.sante.fr
Established in 2010, this agency implements regional health policies, covering prevention, healthcare, and medical-social support, with a focus on transparency and efficiency |
285 |
| 39 |
Ville de Saint-Herblainsaint-herblain.fr
The company is located in Saint-Herblain, the second largest city in Nantes, with a population of 50,000 residents It is conveniently situated near major transportation hubs |
283 |
| 40 |
Nantes Métropole Habitatnmh.fr
Public social housing organization managing diverse properties, providing homes for 50,000 tenants, supporting urban development and community engagement. |
281 |
| 41 |
CCI de Maine et Loirecci.fr
Support for business creation, financing, international sales, innovation, employee training, sustainable development, networking, information, and representation to local authorities. |
280 |
| 42 |
Inovalysinovalys.fr
Inovalys is a consolidation of 6 public laboratories specializing in food safety, animal health, agriculture, environment, offering a wide range of accredited services |
268 |
| 43 |
Plaine Commune Habitatplainecommunehabitat.fr
Manages 20,000+ public housing units, offering affordable, quality homes, services, and urban development. Fosters community living and improves resident well-being. |
267 |
| 44 |
ensa Nantesnantes.archi.fr
A public institution offering architectural education and research, preparing students for the architect diploma, with international partnerships and a strategic alliance with two other schools |
249 |
| 45 |
Cholet, Ville et Agglomérationcholet.fr
Explore economic news and job opportunities in the City of Cholet and Cholet Agglomération Moderation guidelines: https://bitly/30Yqrx2 |
242 |
| 46 |
COMMUNE D'OREE-D'ANJOUoreedanjou.fr
Local government entity formed by merging nine communes, serving approximately 17,000 residents near the Loire River between Nantes and Angers. |
237 |
| 47 |
CCI Le Mans Sarthecci.fr
The company promotes the Sarthe region, provides lifelong training, and supports local businesses in commerce, industry, and services with a team of over 200 employees |
227 |
| 48 |
Le Voyage à Nanteslevoyageanantes.fr
management of cultural sites and tourism policy implementation in Nantes Métropole, promoting art, culture, and local development projects. |
224 |
| 49 |
Sarthe habitatsarthe-habitat.fr
Public housing office specializing in construction, rental, property ownership access, and housing development and management in Sarthe region. |
209 |
| 50 | 205 | |
| 51 |
CCI Maine-et-Loire Formationformation.paysdelaloire.cci.fr
Offers over 200 continuous training programs and 17 apprenticeship fields across three campuses to enhance workforce skills and employability. |
202 |
| 52 |
Nantes Congress Centerlacite-nantes.fr
A public company in Nantes hosting over 300 events annually, offering diverse event spaces for national and international gatherings of 200 to 4000 participants |
194 |
| 53 |
Samoasamoa-nantes.fr
The company oversees urban development and economic growth on Nantes island, operating within the Nantes Saint-Nazaire metropolitan area, focusing on creative industries |
193 |
| 54 |
CPAM de Maine-et-Loire (Assurance Maladie)lasecurecrute.fr
A company in Maine-et-Loire with 600 employees aims to provide access to quality healthcare for all, regardless of age or income, as part of the Social Security system |
190 |
| 55 |
CPAM de la Sarthe (Assurance Maladie)assurance-maladie.ameli.fr
A collective committed to protecting the health of over 60 million insured individuals by ensuring access to healthcare, reimbursement, prevention, and improving the healthcare system |
186 |
| 56 |
CapAtlantique La Baule-Guérande Agglocap-atlantique.fr
A local government organization managing 15 communes with 75,000 residents, focusing on preserving natural resources and serving the community in Loire-Atlantique and Morbihan |
175 |
| 57 |
Direction régionale de l'environnement, de l'aménagement et du logement des Pays de la Loirepays-de-la-loire.developpement-durable.gouv.fr
Regional authority for environmental, planning, and housing in the Pays de la Loire region, overseeing policies and projects for sustainable development |
172 |
| 58 |
Ville de Rezéreze.fr
The company is located in Rezé, the third largest city in Nantes Métropole with about 42,000 residents It traces its roots back 2000 years |
170 |
| 59 |
Saumur - Ville et Agglomération
The company operates in the Saumur Val de Loire area, managing 45 communes and 100,000 residents, with a focus on economic development and public service |
169 |
| 60 |
Terres de Montaiguterresdemontaigu.fr
Nine municipalities collaborating to boost business growth and provide quality services and facilities to over 50,000 residents in the region. |
168 |
| 61 |
Meldomys Groupe (Meldomys locatif, Jaxed, Services en territoires)meldomys.fr
Management of over 15,000 social housing units and local facilities, committed to sustainable development and innovative community building. |
168 |
| 62 |
Greta Auvergneac-clermont.fr
National Education establishments group. Joint resources for lifelong learning, vocational training, and skills development. Over 300 business partnerships. |
163 |
| 63 |
CA PORNIC AGGLO PAYS DE RETZpornicagglo.fr
Intercommunal structure uniting 15 municipalities in the Pays de Retz area for coordinated regional development and services. |
159 |
| 64 |
Nantes-Saint Nazaire Portport.fr
Public enterprise corporation managing port operations, linking land and sea, providing logistical platform, and contributing to regional economic development and employment. |
158 |
| 65 |
Setram Le Manssetram.fr
operation of urban public transport including buses, trams, mobility services for disabled, demand transport, and carpooling application |
151 |
| 66 |
Ville de La Chapelle-sur-Erdrelachapellesurerdre.fr
The company is a municipality located near Nantes, balancing development and preserving the natural environment for its 20,000 residents through quality public services |
149 |
| 67 |
Le Mans Métropole Habitatlmmhabitat.com
Le Mans Métropole Habitat manages over 13,700 affordable, innovative, eco-friendly, inclusive, and supportive housing units for over 30,000 tenants |
146 |
| 68 |
Ville de Laval - Francelaval.fr
Municipal entity promoting cultural heritage, historical preservation, and artistic identity within the urban environment of Laval. |
145 |
| 69 |
Vendée Habitatvendeehabitat.fr
public housing provider constructing maintaining rehabilitating homes supporting tenants enabling property ownership diversifying services enhancing community infrastructure with local government partnerships |
141 |
| 70 |
CPAM de la Vendée (Assurance Maladie)assurance-maladie.ameli.fr
Working at this health insurance organization means committing to protecting the health of over 60 million policyholders by providing access to care and improving the healthcare system |
140 |
| 71 |
Silène, Office Public de l'Habitatsilene-habitat.com
For nearly 100 years, this company has been advocating for quality social housing, making over 10,200 properties accessible while respecting social balance in the area |
137 |
| 72 |
Caf de Maine-et-Loirecaf.fr
Providing assistance and support to families, promoting solidarity for vulnerable individuals, offering various benefits and services through a nationwide network of branches |
135 |
| 73 |
Lycée CHEVROLLIERchevrollier.paysdelaloire.e-lyco.fr
The company provides lifelong learning opportunities for high school students, apprentices, and adults through diploma programs, vocational training, and skills validation |
134 |
| 74 |
Institut Public Ocensocens.fr
A leading medical-social institution providing services for individuals with sensory disabilities, language and learning disorders, autism, and developmental delays Additionally, offering support services and resources |
133 |
| 75 |
Angers Loire habitat - Office public de l'habitatangers-loire-habitat.fr
Manages nearly 13,600 social rental homes across 19 municipalities, offering various housing types for rent and ownership, including for families, seniors, and students, along with business premises. |
131 |
| 76 |
Centre Hospitalier Sèvre et Loirehopital-sevre-loire.fr
A public health institution providing care and accommodation for adults, specializing in services for the elderly, polyhandicapped adults, and addictology |
127 |
| 77 |
CCI Vendéevendee.cci.fr
Supports and accelerates business growth through a nationwide network, providing resources, connections, and expertise to companies. |
126 |
| 78 |
IUT Angers-Choletuniv-angers.fr
Provides higher education and professional training through Bachelor's and professional licenses across various sectors, ensuring student success and career integration. |
123 |
| 79 |
Institut des Matériaux de Nantes Jean Rouxelcnrs-imn.fr
Specializing in materials research, this institute in Nantes focuses on developing and optimizing various materials for applications in energy storage, optics, and nanotechnologies |
122 |
| 80 |
Ville d'Orvaultorvault.fr
A company located near Nantes in Orvault, France, emphasizing environmental care and sustainable development in a green and balanced urban and rural environment |
118 |
| 81 |
Les Herbiers, Villelesherbiers.fr
Vibrant municipality in Vendée, France with 16,616 residents, boasting a dynamic economy and low unemployment rate of 4% |
117 |
| 82 |
Ville de Vertouvertou.fr
Municipality fostering community engagement, sustainable urban planning, cultural vitality, environmental preservation, and inclusive social policies for over 25,000 residents. |
117 |
| 83 |
Destination Angersdestination-angers.com
Promotes tourism and professional event hosting in Angers, managing congress center, exhibition park, and tourist office facilities. |
112 |
| 84 |
Communauté de communes du Pays d'Ancenispays-ancenis.com
Management of 20 communes covering 866 km² with 70,000 inhabitants, supporting 33 business zones and 4,650 economic establishments. |
111 |
| 85 |
HABITAT 44habitat44.org
public housing office managing 9,000 diverse accommodations including young workers, migrants, seniors, prisoners, and international stay centers in Loire-Atlantique |
110 |
| 86 |
Mayenne Communauté et Mayenne Villemayenne-communaute.net
Community prioritizing economic growth, cultural activities, sports, and cooperative spirit, offering a pleasant rural lifestyle near major cities and the sea. |
107 |
| 87 |
VENDEE EAUvendee-eau.fr
Organizes production and distribution of potable water for 19 communities in Vendée, managing public water service for 60 years. |
105 |
| 88 |
Alter_AnjouLoireTerritoireanjouloireterritoire.fr
A versatile company specializing in territorial development through urban planning, construction, energy management, and economic development in Maine-et-Loire for local communities |
105 |
| 89 |
Etablissement de Santé Baugeois Valléeesbv.fr
A healthcare establishment located in Maine-et-Loire, formed from the merger of local hospitals and retirement homes in 2001 and 2005 |
102 |
| 90 |
Lycée Polyvalent Le Mans Sude-lyco.fr
Public educational institution offering general, technological, and vocational programs from secondary to higher education, including sports sections, specialized technical baccalaureates, and post-baccalaureate degrees. |
102 |
| 91 |
ALSETEXalsetex.fr
Specializes in pyrotechnic integration for law enforcement, civil applications, and military support, providing safety and operational effectiveness. |
99 |
| 92 |
Loire Atlantique développementloireatlantique-developpement.fr
Support for local authorities in urban planning, economic development, tourism, energy transition, and project management across diverse territorial projects. |
97 |
| 93 |
CRCI2NAcrci2na.univ-nantes.fr
A cancer and immunology research center focused on analyzing tumor ecosystems, treatment response, and developing innovative therapies in the Grand Ouest region |
95 |
| 94 |
Lycée Clemenceau - Nantesgclemenceau.paysdelaloire.e-lyco.fr
Secondary and higher education institution offering Preparatory Classes for Grandes Écoles (CPGE) in Nantes |
94 |
| 95 |
Nantes Saint-Nazaire Développementnantes-saintnazaire.fr
Promote Nantes Saint-Nazaire region appeal, support companies and investors, cultivate economic opportunities, assist with real estate and integration. |
92 |
| 96 |
Territoire d'énergie Loire-Atlantique (TE44)te44.fr
Manages public electricity and gas distribution networks, maintains street lighting, invests in renewable energy infrastructure, and operates electric vehicle charging stations. |
92 |
| 97 |
Faculté de médecine de Nantes Universitémedecine.univ-nantes.fr
The Faculty of Medicine and Medical Techniques at Nantes University teaches medical and paramedical studies, with over 6000 students and research institutes |
91 |
| 98 |
HOPITAL INTERCOMMUNAL DU PAYS DE RETZhipr44.com
The company operates a healthcare facility and 4 nursing homes, providing various health services such as medicine, rehabilitation, and care for Alzheimer's patients |
89 |
| 99 |
Ville de La Baule-Escoublaclabaule.fr
Seaside resort known for beautiful bays, historic railway arrival, and scenic dunes with pine trees, attracting visitors for over a century. |
88 |
| 100 |
Centre Hospitalier Intercommunal Lys Hyrôme - CHI Lys Hyrômechi-lyshyrome.com
Public health institution offering a range of medical services various locations, including medicine, rehabilitation, long-term care, and specialized units for elderly and disabled individuals |
88 |
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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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