The Pyrénées-Atlantiques department hosts critical infrastructure operators, primarily in healthcare and public administration, alongside energy and banking. Noteworthy organizations include Centre Hospitalier de Pau, a referral center for intensive care and neurology; Crédit Agricole Pyrénées Gascogne, a cooperative bank supporting the local community; Teréga, specializing in gas transport and storage; and Communauté Pays Basque, a public institution coordinating regional development for 158 communes. Many of these entities are long-established, with several founded in the late 19th or mid-20th centuries.
The data shows a strong concentration of headquarters in Pau and Bayonne, reflecting their roles as key urban centers in the region. The prevalence of hospitals, such as Centre Hospitalier de Pau and CENTRE HOSPITALIER DE LA COTE BASQUE, indicates a robust public health sector. Alongside these, entities like AGUR manage essential public services, including water and sanitation, highlighting a focus on fundamental community needs.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Centre Hospitalier de Pauch-pau.fr
The hospital is a referral center offering adult and pediatric intensive care, neurology, obstetrics, and interventional cardiology services across four locations |
1,995 | |||
| 2 |
Crédit Agricole Pyrénées Gascognecredit-agricole.fr
We are a cooperative bank committed to social responsibility, supporting our local community through innovation, trust, and inclusivity in all aspects of our business Visit our website for opportunities |
1,295 | |||
| 3 |
CENTRE HOSPITALIER DE LA COTE BASQUEch-cote-basque.fr
Leading public health institution across the Basque Country, offering over 40 specialties with more than 3800 medical and other professionals. Also manages other health facilities. |
713 | |||
| 4 | 517 | ||||
| 5 |
Communauté Pays Basquecommunaute-paysbasque.fr
Public institution uniting 158 Basque communes through the merger of 10 local communities to coordinate regional development and services. |
392 | |||
| 6 |
Centre Hospitalier des Pyrénéesch-pyrenees.fr
Public mental health establishment, main actor in psychiatry for the Béarn Soule territory. |
206 | |||
| 7 | 204 | ||||
| 8 |
ARVERNEarverne.earth
Transform natural geothermal resources into sustainable energy solutions reducing CO2 emissions and supporting industrial autonomy and energy sovereignty. |
204 | |||
| 9 |
Clinique Belharracapio.fr
A hospital & health care company based in Bayonne, France, providing various medical services to patients in need of healthcare |
174 | |||
| 10 |
Polyclinique Pau Pyrénéespolycliniquepaupyrenees.fr
It offers comprehensive medical services, including oncology, rehabilitation, surgery, and maternity care across two specialized sites, providing diverse healthcare solutions for patients. |
167 | |||
| 11 | 143 | ||||
| 12 |
CPAM de Bayonneameli.fr
Working within a results-driven culture, this company protects the health of over 60 million insured individuals through various projects and services |
124 | |||
| 13 |
CCI Pau Béarnpau.cci.fr
Public institution supporting local businesses and project leaders with administration, training, development tools, and managing local airport and school. |
110 | |||
| 14 |
Clinique Aguiléraramsaygds.fr
Hospital and health care facility located in Biarritz, France, offering medical services and care to patients in the Aquitaine region |
102 | |||
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| 15 |
Pôle de santé d'Orthezch-orthez.fr
Medical facility offering comprehensive healthcare services including patient treatment, diagnostics, and specialized medical care in Orthez, France. |
96 | |||
| 16 |
SANTÉ SERVICE BAYONNE ET RÉGIONsanteservicebayonne.fr
A home care service founded in 1968, offering coordinated care to patients in the Basque Country and South Landes with a multidisciplinary team and various specialized services |
84 | |||
| 17 |
Banque Pouyannepouyanne.fr
A family-owned bank supporting over 2,000 entrepreneurs in the Adour region, prioritizing trust, human connections, and promoting entrepreneurial spirit |
82 | |||
| 18 |
CLINIQUE DELAYclinique-delay.fr
Established in 1910, this clinic in Bayonne is known for its dedicated work in various medical specialties, owned by local clinics and physicians |
75 | |||
| 19 |
Réseau IDELISidelis.fr
Public transport network serving 37 communes with buses, school lines, on-demand transport, accessible services, and bike rentals in Pau area. |
72 | |||
| 20 |
Groupe Izarralde (izarLink / izarHost)izarralde.com
A regional operator offering high-performance fiber optics network "IzarLink" and Data Center "IzarHost" for businesses in Basque and Adour Specializing in connectivity services |
28 | |||
| 21 |
Air'py Aéroport Pau Pyrénéesaeroport.fr
Manages a public service delegation for an airport, a group consisting of a Chamber of Commerce and Industry and an airport operations company. |
28 | |||
| 22 |
Le Basque Bondissantbasque-bondissant.com
A major transportation company in the Basque Country, offering regular, school, and occasional services, as well as partnerships with receptive agencies for events and tours |
28 | |||
| 23 |
AT CONNECTsolutionsconnect.fr
100% Connect offers high-quality telecommunication services for small and medium enterprises, focusing on excellent customer service and support Leading B2B telecom provider Contact us for more information 📞 |
26 | |||
| 24 |
Enerjump, réseaux Gaz'up & Watt'upenerjump.fr
Develops and maintains shared biogas stations and electric charging networks alongside infrastructure construction services to accelerate decarbonization for transport and logistics professionals. |
25 | |||
| 25 |
Energie d'icienergiedici.fr
Supply of 100% local and green electricity directly from independent renewable energy producers to end consumers at competitive prices. |
24 | |||
| 26 |
Transports GEZEtransports-geze.com
regional transport company with 80 years experience, offering national and regional parcel, pallet delivery, and ADR hazardous goods transport services |
20 | |||
| 27 |
GROUPE SANTE BASQUE DEVELOPPEMENT
A page featuring 5 healthcare establishments including ambulatory centers, clinics, and a bipolar disorder center under Santé Basque Développement group |
20 | |||
| 28 |
TRANSPORTS LAPORTEtrs-laporte.fr
Family-owned SME specializing in national and international road transport of goods, storage, and distribution services in South-West France for over 60 years |
17 | |||
| 29 |
OFP-SUD OUESTbayonne.port.fr
This company provides flexible rail services at port terminals, enhancing trade and supporting the Chamber of Commerce's goal to increase port traffic |
4 | |||
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How this list is built
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 12, 2026.
More company lists in the Pyrénées-Atlantiques department
- The largest companies in the Pyrénées-Atlantiques department 635
- Retail chains in the Pyrénées-Atlantiques department 80
- Companies with in-house R&D in the Pyrénées-Atlantiques department 63
- Manufacturers in the Pyrénées-Atlantiques department 60
- Multinational companies in the Pyrénées-Atlantiques department 54
- Family-owned companies in the Pyrénées-Atlantiques department 39
- Hardware manufacturers in the Pyrénées-Atlantiques department 36
- Professional services firms in the Pyrénées-Atlantiques department 35
- Public sector organisations in the Pyrénées-Atlantiques department 31
- SaaS companies in the Pyrénées-Atlantiques department 29
- Distributors and wholesalers in the Pyrénées-Atlantiques department 27
- Aerospace and defence companies in the Pyrénées-Atlantiques department 26
- Energy companies in the Pyrénées-Atlantiques department 26
- Software Development companies in the Pyrénées-Atlantiques department 26
The same list elsewhere in France
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- Critical infrastructure operators in the Loire-Atlantique department 58
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- Critical infrastructure operators in the Seine-Saint-Denis department 53
- Critical infrastructure operators in the Seine-Maritime department 46
- Critical infrastructure operators in Paris 331