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List of public sector organisations in the Haute-Savoie department

Tamtam tracks 47 public sector organisations headquartered in the Haute-Savoie department. This list ranks the 30 largest by number of employees on LinkedIn, led by CH Annecy Genevois, Haute-Savoie General Council and Centre Hospitalier Alpes Léman. Their median headcount is 131. Half of them were founded in 1998 or later. The most common headquarters are Annecy (8), Annemasse (3) and Thonon-les-Bains (3).

🇫🇷 Haute-Savoie30 companiesUpdated Nov 12, 2026

These public sector organizations in Haute-Savoie are primarily involved in healthcare and government administration. They are predominantly large institutions, reflecting the structure of public services. Notable entities include CH Annecy Genevois, a hospital providing comprehensive care, and the Haute-Savoie General Council, managing social services and regional development. Centre Hospitalier Alpes Léman offers a wide range of medical services, while Agglomération du Grand Annecy coordinates initiatives across 34 communes.

A significant pattern observed is the concentration of headquarters in Annecy, which hosts the Haute-Savoie General Council, Agglomération du Grand Annecy, and CPAM de Haute-Savoie. This indicates Annecy's role as a central hub for public administration and services within the department. The list also features a strong presence of hospital groups, such as Hôpitaux du Léman and Hôpitaux du Pays du Mont-Blanc, highlighting the region's focus on healthcare provision.

#CompanyIndustryHeadquarters EmployeesFounded
1
CH Annecy Genevoisch-annecygenevois.fr

A leading hospital in Haute-Savoie resulting from the merger of Annecy and St Julien-en-Genevois hospitals, with over 4600 dedicated staff providing top-notch care

Hospitals and Health Care 🇫🇷 Épagny Metz-Tessy 810 n/a
2
Haute-Savoie General Councilhautesavoie.fr

Management of social services, education, transportation, economic development, environmental protection, culture, and sports to support regional growth and community well-being.

Government Administration 🇫🇷 Annecy 711 n/a
3
Centre Hospitalier Alpes Lémanch-alpes-leman.fr

A hospital center providing comprehensive care, promoting public hospital values, offering improved patient conditions, ensuring diverse healthcare options, and prioritizing environmental sustainability

Hospitals and Health Care 🇫🇷 Contamine-sur-Arve 651 n/a
4
CENTRE HOSPITALIER ANNECY GENEVOIS

Hospital offering comprehensive medical services including patient care, diagnostics, treatment, and healthcare support in the Auvergne-Rhône-Alpes region.

Medical Practices 🇫🇷 Épagny-Metz-Tessy 649 n/a
5
Hôpitaux du Lémanhopitauxduleman.fr

Provides comprehensive health care services for 130,000 Chablais residents, including hospitalizations, emergency care, medical consultations, and elderly care.

Hospitals and Health Care 🇫🇷 Thonon-les-Bains 526 1998
6
Établissement Public de Santé Mentale 74ch-epsm74.org

Provides comprehensive mental health services, including inpatient care, outpatient centers, specialized units for adults and children across several locations.

Hospitals and Health Care 🇫🇷 La Roche-sur-Foron 404 1975
7
Agglomération du Grand Annecygrandannecy.fr

Coordination of economic, ecological, mobility, housing, and social initiatives across 34 communes to enhance residents' quality of life.

Government Administration 🇫🇷 Annecy 375 2017
8
Service Départemental d'Incendie et de Secours de la Haute-Savoiesdis74.fr

The company is a public firefighting department in Haute-Savoie, France, consisting of professional and volunteer firefighters, as well as administrative and technical staff They respond to various natural, industrial, technological, and everyday risks in the region

Government Administration 🇫🇷 Annecy 314 n/a
9
Hôpitaux du Pays du Mont-Blanchpmb.fr

Provides comprehensive healthcare services across four sites, including hospitals and nursing homes, with over 1,130 professionals, advanced technical facilities, and medical imaging.

Hospitals and Health Care 🇫🇷 Sallanches 306 n/a
10
Annemasse Aggloannemasse-agglo.fr

Management of environment, economy, housing, transport, culture, and social services to improve quality of life in a transborder urban area.

Government Administration 🇫🇷 Annemasse 290 2007
11
CPAM de Haute-Savoieameli.fr

A social security organization in Haute-Savoie, part of a national network, working to protect the health of over 60 million insured individuals through various healthcare projects

Government Administration 🇫🇷 Annecy 227 n/a
12
Haute-Savoie HABITAThautesavoiehabitat.fr

Support local municipalities in housing projects, develop new social housing, manage and maintain existing rental housing stock in Haute-Savoie.

Real Estate 🇫🇷 Annecy 209 1929
13
ATMB - Autoroutes et Tunnel du Mont Blancatmb.com

Management and operation of mountain highways and the Mont Blanc Tunnel, ensuring safety, mobility, and sustainable transport in the Alps.

Truck Transportation 🇫🇷 Bonneville 206 1957
14
Thonon Agglomérationthononagglo.fr

Coordination of 25 communes in Haute-Savoie focusing on sustainable territorial planning, community services, and regional development with over 300 staff.

Government Administration 🇫🇷 Thonon-les-Bains 142 2017
15
CCI Haute-Savoieapp.utm.io

Support for 38,600 local businesses and communities through training, development services, and economic growth facilitation across multiple sectors.

Government Administration 🇫🇷 Annecy 131 n/a

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16
Syanesyane.fr

Public energy and digital services provider supporting local authorities with electricity, gas, renewable energy, lighting, mobility, and digital infrastructure projects.

Government Administration 🇫🇷 Poisy 128 1950
17
Mairie de Megèvemairie.megeve.fr

Mountain resort specializing in winter sports, tourism, and alpine activities, offering extensive ski areas and high-quality accommodations.

Government Administration 🇫🇷 Megève 126 n/a
18
Mairie de Chamonix-Mont-Blancchamonix.fr

Local government providing administrative services and community support in Chamonix-Mont-Blanc, a renowned Alpine mountain commune.

Government Administration 🇫🇷 Chamonix-Mont-Blanc 109 n/a
19
Ville de Saint-Julien-en-Genevoisst-julien-en-genevois.fr

The company is a local government entity in Saint-Julien-en-Genevois, focusing on providing services, facilities, and infrastructure improvements for the community's development and well-being

Government Administration 🇫🇷 Saint-Julien-en-Genevois 86 n/a
20
Mairie de Ville-la-Grandville-la-grand.fr

Urban municipality in Haute-Savoie, France, with a population of 8700 Part of Annemasse Agglomération, offering a preserved living environment and a strong economy

Government Administration 🇫🇷 Ville-la-Grand 84 n/a
21
Polytech Annecy-Chambéryuniv-smb.fr

Engineering school at the University Savoie Mont Blanc, providing education and training in various engineering disciplines to students in France

Higher Education 🇫🇷 Annecy 83 2006
22
Communauté de Communes du Genevoiscc-genevois.fr

The company manages a community in Haute-Savoie, France, focusing on sustainable development and addressing the needs of a growing population near Geneva, Switzerland

Government Administration 🇫🇷 Archamps 82 n/a
23
Greta Savoie Haute-Savoiegretaformation.fr

Prepare for the future with GRETA Savoie Haute-Savoie! Offering training and education services to help individuals advance their skills

Technical and Vocational Training 🇫🇷 Annemasse 81 2024
24
SILA (Syndicat Mixte du Lac d'Annecy)sila.fr

Established in 1957 to protect Lake Annecy, the company specializes in wastewater treatment, waste management, environmental preservation, and water cycle management

Government Administration 🇫🇷 Annecy 75 1957
25
Communauté de communes pays d'Évian - vallée d'Abondancecc-peva.fr

Management of a diverse Alpine region with rich cultural heritage, seasonal activities, and international tourism appeal across 22 communes.

Government Administration 🇫🇷 Publier 74 2017
26
GRETA LACgreta-lac.fr

A group of public educational institutions pooling resources to provide adult training tailored to local employment needs in southeastern France

Professional Training and Coaching 🇫🇷 Annemasse 73 1974
27
Ville de Rumillymairie-rumilly74.fr

The company is located in Rumilly, a dynamic city with a strong industrial presence and a variety of leisure activities They offer a wide range of public services to the population

Government Relations Services 🇫🇷 Rumilly 63 n/a
28
École Hôtelière Savoie Lémanlhsl.fr

A vocational high school specializing in hospitality and restaurant management education, offering programs from CAP to professional licenses

Higher Education 🇫🇷 Thonon-les-Bains 61 1912
29
SATELC

A company specializing in tourist development and operations in the La Clusaz area

Spectator Sports 🇫🇷 La Clusaz 61 1944
30
Communauté de Communes Faucigny Glièresccfg.fr

Management of local public services including children’s programs, cultural and sports facilities, urban planning, housing, and infrastructure maintenance.

Government Administration 🇫🇷 Bonneville 60 2006

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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.

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