These companies are large critical infrastructure operators in the Hérault department, primarily in the healthcare and financial sectors, alongside public administration and environmental services. Notable entities include CHU de Montpellier, a leading hospital, and Crédit Agricole du Languedoc, a regional cooperative bank. INOVIE (Groupe) specializes in medical diagnostics, while Montpellier, Ville, Métropole et CCAS manages public services for the city.
A clear pattern among these organizations is their concentration in Montpellier, which serves as a major hub for healthcare, banking, and public administration. Many of these companies, such as URBASOLAR and Valeco, also operate in renewable energy, reflecting a mixed economic landscape within the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
CHU de Montpellierchu-montpellier.fr
Leading hospital in Montpellier with 12,000 employees and 15 medical departments offering over 90 services across 8 facilities, ranked 5th by Le Point magazine in 2019 |
5,431 | |||
| 2 |
Crédit Agricole du Languedocrecrutement.ca-languedoc.fr
Regional cooperative bank providing financial services, insurance brokerage, and real estate transactions through extensive branches across Aude, Lozère, Gard, and Hérault departments. |
1,728 | |||
| 3 |
INOVIE (Groupe)inovie.fr
Leading provider of medical diagnostics, offering a full range of biology services including genomics, pathology, fertility, and veterinary analysis across France and internationally. |
1,592 | |||
| 4 |
Montpellier, Ville, Métropole et CCASmontpellier.fr
Manages public services, urban development, and social welfare for residents, implementing ambitious projects for ecological transition, solidarity, and economic growth. |
1,107 | |||
| 5 |
Caisse d'Epargne Languedoc-Roussilloncaisse-epargne.fr
Regional cooperative bank in Languedoc-Roussillon, supporting individuals, businesses, and communities through loans, modern banking services, and social responsibility initiatives |
890 | |||
| 6 |
ICM - Institut du Cancer de Montpelliericm.unicancer.fr
A regional cancer research and treatment center, specializing in oncology care and recognized for its public hospital service and excellence in cancer research |
574 | |||
| 7 |
Centre Hospitalier de Béziersch-beziers.fr
Public health institution providing medical services, employment opportunities, professional expertise, and health sector information for the Ouest-Hérault region. |
554 | |||
| 8 | 517 | ||||
| 9 |
Urbaser Environnement SASurbaserenvironnement.fr
A leading player in environmental services for local authorities specializing in waste collection, cleaning, and waste valorization through innovative technologies globally |
501 | |||
| 10 |
URBASOLARurbasolar.com
Develops, finances, builds, operates professional photovoltaic plants, offering innovative solutions for diagnosis and building implementation. |
423 | |||
| 11 |
Valecogroupevaleco.com
Design, finance, build, operate, and maintain wind farms and solar power plants, focusing on renewable energy production and sales. |
416 | |||
| 12 |
TaM Montpellier 3Mtam-voyages.com
Provides tram, bus, bike-sharing, parking, and car-sharing services to support sustainable urban mobility in Montpellier metropolitan area. |
399 | |||
| 13 |
Clinique Saint Jean Sud de Francecliniquesaintjean.capsante.fr
Providing high-quality surgical and medical care for all ages with modern equipment and experienced medical and paramedical teams. |
362 | |||
| 14 |
INOVIE Labosudlabosud.fr
A medical practice located in Montpellier, France, providing healthcare services in the Languedoc-Roussillon region |
329 | |||
| 15 |
Clinique du Millénaireoc-sante.fr
Specialized medical services offering patient-centered care, advanced diagnostics, and treatment solutions to improve health and well-being. |
295 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Arkoliaarkolia.com
An integrated French multi-energy energizer, active in solar, wind, and green gas, develops and operates power plants, ensuring design, construction, maintenance. |
282 | |||
| 17 |
Ugecam Occitaniegroupe-ugecam.fr
A leading non-profit operator in the healthcare and social sector, providing specialized care, rehabilitation, and professional reintegration services across multiple facilities |
254 | |||
| 18 |
Oc Santéoc-sante.fr
Management of 24 healthcare facilities in Occitanie, covering surgery, maternity, medicine, home hospitalization, rehabilitation, psychiatry, elderly care, and personal services. |
248 | |||
| 19 |
Sète Agglopôle Méditerranéeagglopole.fr
Management of public services, development projects, and fostering economic, cultural cooperation among 14 communes with 125,000 residents. |
239 | |||
| 20 |
Polyclinique Saint-Rochoc-sante.fr
A leading clinic in Southern France, offering a wide range of medical services including maternity, orthopedics, surgery, internal medicine, geriatrics, and emergency care |
231 | |||
| 21 |
Hôpitaux du Bassin de Thauch-bassindethau.fr
French public healthcare provider, offering medical, surgical, and elderly care, including training for nurses and caregivers, across multiple sites in the Thau basin area. |
230 | |||
| 22 |
Mutualité Française Grand Sudmfgs.fr
Regional mutual network providing healthcare and social support services across multiple departments, focusing on community solidarity and life journey assistance. |
226 | |||
| 23 |
CPAM de l'Hérault (Assurance Maladie)ameli.fr
Working within the health insurance sector, the company is dedicated to protecting the health of over 60 million policyholders through various projects and initiatives |
219 | |||
| 24 |
Institut Mutualiste Montpelliérain - Clinique Beau Soleilaesio-sante.fr
A non-profit private healthcare institution offering a wide range of care services without additional fees, equipped with advanced medical technologies |
180 | |||
| 25 |
Fondation Charles Mion-AIDER Santéaidersante.com
Private healthcare provider specializing in nephrology, offering comprehensive chronic kidney disease management and dialysis across multiple regional sites. |
179 | |||
| 26 |
Banque Dupuy, de Parsevalbanquepopulaire.fr
Established in 1845 by four families, this bank initially focused on local business financing Now serving multiple departments, it offers a range of financial services to a diverse clientele |
162 | |||
| 27 |
Institut Saint-Pierreinstitut-st-pierre.com
A pediatric institution in Occitanie, providing high-quality medical and rehabilitation care to around 11,500 children and adolescents annually |
160 | |||
| 28 |
Groupe Cap Santécapsante.fr
Operates 18 regional private healthcare facilities including surgical, psychiatric clinics, home hospitalization, rehabilitation centers, nursing homes, and telemedicine services. |
149 | |||
| 29 |
Clinique Clémentvilleoc-sante.fr
A private medical center in Montpellier offering cancer care, maternity services, pain management, multidisciplinary surgery, ambulatory breast surgery, and urgent care |
139 | |||
| 30 |
Vensolairvensolair.fr
Development of wind farms, solar photovoltaic plants, battery storage, and renewable hydrogen through local stakeholder engagement and technical expertise for regional energy transition. |
128 | |||
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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 Hérault department
- The largest companies in the Hérault department 1,461
- Companies with in-house R&D in the Hérault department 155
- Retail chains in the Hérault department 131
- SaaS companies in the Hérault department 110
- Software Development companies in the Hérault department 107
- Multinational companies in the Hérault department 103
- Professional services firms in the Hérault department 84
- Manufacturers in the Hérault department 71
- Public sector organisations in the Hérault department 68
- Education providers in the Hérault department 61
- Hardware manufacturers in the Hérault department 61
- IT Services and IT Consulting companies in the Hérault department 57
- Real Estate companies in the Hérault department 56
- Retail companies in the Hérault department 54
- IT services companies in the Hérault department 53
- Higher Education companies in the Hérault department 52
- Family-owned companies in the Hérault department 50
- Law Practice companies in the Hérault department 49
- Accounting firms in the Hérault department 48
- Healthcare providers in the Hérault department 48
- Accounting companies in the Hérault department 48
- Distributors and wholesalers in the Hérault department 48
- Pharmaceutical companies in the Hérault department 44
- Subscription businesses in the Hérault department 44
The same list elsewhere in France
- Critical infrastructure operators in France 2,721
- Critical infrastructure operators in Île-de-France 780
- Critical infrastructure operators in Auvergne-Rhône-Alpes 299
- Critical infrastructure operators in Grand Est 257
- Critical infrastructure operators in Occitanie 216
- Critical infrastructure operators in Nouvelle-Aquitaine 209
- Critical infrastructure operators in Provence-Alpes-Côte d'Azur 200
- Critical infrastructure operators in Hauts-de-France 174
- Critical infrastructure operators in the Hauts-de-Seine department 169
- Critical infrastructure operators in Pays de la Loire 127
- Critical infrastructure operators in Brittany 120
- Critical infrastructure operators in Normandy 103
- Critical infrastructure operators in the Bouches-du-Rhône department 98
- Critical infrastructure operators in the Rhône department 94
- Critical infrastructure operators in Centre-Val de Loire 87
- Critical infrastructure operators in the Nord department 87
- Critical infrastructure operators in Bourgogne-Franche-Comté 76
- Critical infrastructure operators in the Haute-Garonne department 64
- Critical infrastructure operators in the Gironde department 63
- Critical infrastructure operators in the Loire-Atlantique department 59
- Critical infrastructure operators in the Seine-Saint-Denis department 53
- Critical infrastructure operators in the Seine-Maritime department 46
- Critical infrastructure operators in the Ille-et-Vilaine department 45
- Critical infrastructure operators in Paris 331