The critical infrastructure operators in Morbihan are predominantly public sector entities and healthcare providers. These include major public service organizations such as Service Départemental d'Incendie et de Secours du Morbihan (SDIS56), which manages emergency interventions, and Cap l'Orient agglomération, a group of 19 communes focused on territorial development. Healthcare is well represented by institutions like GROUPE HOSPITALIER BRETAGNE SUD, offering extensive medical care, and EPSM Morbihan, providing psychiatric services. Crédit Agricole du Morbihan, a regional bank, is also a significant employer.
A notable pattern is the concentration of headquarters in Vannes and Lorient, reflecting these cities' roles as administrative and economic hubs in the department. Many of these organizations are well-established, with several founded in the early to mid-20th century, indicating a long-standing commitment to public service and regional development.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Crédit Agricole du Morbihanca-morbihan.fr
Recruitment and sourcing of motivated candidates for a regional, multichannel bank focused on proximity, responsibility, and solidarity values. |
933 | |||
| 2 |
GROUPE HOSPITALIER BRETAGNE SUDghbs.bzh
Public healthcare institution in South Brittany offering extensive medical care, training, research, and partnerships across multiple sites. |
478 | |||
| 3 |
Service Départemental d'Incendie et de Secours du Morbihan (SDIS56)sdis56.fr
The Departmental Fire and Rescue Service operates 65 fire stations in three districts, managing over 45,000 emergency interventions annually |
401 | |||
| 4 |
EPSM Morbihanepsm-morbihan.fr
Provides psychiatric care for children, adolescents, adults, and elderly, managing health and social structures across eastern Morbihan with a focus on specialized services and partnerships. |
360 | |||
| 5 |
Cap l'Orient agglomérationlorient-agglo.bzh
Group of 19 communes collaborating to create a dynamic, ambitious, and sustainable territory focused on community and quality of life. |
334 | |||
| 6 |
Golfe du Morbihan - Vannes agglomérationgolfedumorbihan-vannesagglomeration.bzh
Coordination and management of public services and development across 34 municipalities formed by merging three local communities. |
207 | |||
| 7 |
Brocéliande Atlantiquech-bretagne-atlantique.fr
A healthcare group serving 400,000 residents with 6,000 health professionals, 400 doctors, 3,700 beds, and 93,000 ER visits annually |
205 | |||
| 8 |
Assurance Maladie du Morbihan (Cpam)ameli.fr
Working at this company means joining a team committed to protecting the health of over 60 million insured individuals through various projects |
202 | |||
| 9 |
Centre Mutualiste de Kerpapecentre-kerpape.fr
A healthcare facility in Ploemeur specializing in functional rehabilitation, physical and rehabilitation medicine for adults and children with various medical conditions |
200 | |||
| 10 |
Groupe Hospitalier Centre Bretagnech-centre-bretagne.fr
Public healthcare institution offering modern medical, surgical, rehabilitation, and accommodation services across multiple sites for 142,000 residents. |
181 | |||
| 11 |
VYV 3 Bretagnebretagne.vyv3.fr
A regional union managing over 180 mutual support facilities in Brittany, offering a wide range of health and social services including rehabilitation, care for the elderly, and childcare |
176 | |||
| 12 |
Hôpital Privé Océaneelsan.care
A medical and surgical facility with advanced technology, specializing in outpatient care and offering home hospitalization services, including a hand emergency service |
173 | |||
| 13 |
Auray Quiberon Terre Atlantiqueauray-quiberon.fr
Support sustainable development of urban, rural, and coastal areas, economic growth, tourism, environment, housing, mobility, culture, and social services. |
150 | |||
| 14 |
Clinique des Augustinescliniquedesaugustines.fr
Private nonprofit healthcare clinic specializing in geriatrics, chronic wound care, rehabilitation, palliative care, imaging, and paramedical consultations. |
107 | |||
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| 15 |
LINEVIAlinevia.fr
A family-owned Breton company specializing in passenger transportation, committed to its local community Visit wwwlineviafr and send CV to contact@lineviafr |
77 | |||
| 16 |
Clinique Mutualiste de la Porte de l'Orientclinique-lorient.fr
With 176 beds, 500 employees, and 68 doctors, this clinic offers surgical, oncological care, and a pain management center, ensuring personalized, quality healthcare |
66 | |||
| 17 |
HAD DE LORIENT (DE L AVEN A ETEL)had-lorient.fr
Provides technical, frequent, and prolonged medical care at home as an alternative to hospital stays and rehabilitation centers. |
61 | |||
| 18 | 30 | ||||
| 19 |
RESIDENCES MAREVAresidences-mareva.fr
A public autonomous organization operating four EHPAD facilities focused on personalized care and vibrant activities in Vannes and Meucon, Morbihan |
28 | |||
| 20 |
Manifonemanifone.com
A French voip Telecom operator founded in 2006, offering innovative BtoB and BtoC value added services |
27 | |||
| 21 |
Nass&Windnassetwind.com
Development, financing, and operation of over 200 renewable energy projects focused on local, decentralized energy production across France. |
24 | |||
| 22 |
Zéphyr and Boréezephyretboree.com
Develops innovative merchant vessels, offers low-carbon maritime transport solutions through hybrid sail-engine ships, and provides related studies, design, and ship management. |
18 | |||
| 23 |
Société Publique Locale Bois Energie Renouvelablesplber.fr
A renewable energy company established in 2018, serving Lorient and Quimperlé regions in France with production and operation of renewable energy facilities |
16 | |||
| 24 |
Investment finance
A global provider of investment finance solutions for hedge fund, real estate, private equity managers, offering credit facilities, securities lending, margin financing, synthetics, and tailored financing options |
15 | |||
| 25 |
Groupe FIDELIgroupe-fideli.bzh
Leading parcel, furniture, kitchen, and press delivery company operating 240 vehicles daily across Morbihan for professionals and individuals. |
15 | |||
| 26 |
Charwood Energy Groupcharwood.energy
Established in 2006, the company is an integrated player in renewable energy, designing, building, and operating biomass power plants for various clients and for its own account |
9 | |||
| 27 |
Aéroport de Lorient Bretagne Sudlorient.aeroport.fr
Operating the Lorient Lann-Bihoué Airport, collaborating with local stakeholders to make it the natural gateway to southern Brittany for economic and tourism needs |
2 | |||
| 28 | n/a | ||||
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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 Nov 11, 2026.
More company lists in the Morbihan department
- The largest companies in the Morbihan department 538
- Companies with in-house R&D in the Morbihan department 73
- Retail chains in the Morbihan department 63
- Manufacturers in the Morbihan department 62
- Food and Beverage Manufacturing companies in the Morbihan department 43
- Multinational companies in the Morbihan department 35
- Consumer goods companies in the Morbihan department 32
- Public sector organisations in the Morbihan department 29
- Professional services firms in the Morbihan department 28
- Hardware manufacturers in the Morbihan department 27
- Family-owned companies in the Morbihan department 27
- Distributors and wholesalers in the Morbihan department 26
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