The companies listed operate in critical infrastructure sectors within the Haute-Garonne department, primarily consisting of large organizations. Key players include Groupama d'Oc, an insurance company; CHU de Toulouse, a university hospital; Ville de Toulouse, representing the city's administration; and Banque Populaire Occitane, a banking and financial services provider. These entities collectively highlight a strong presence of public services, healthcare, and financial institutions.
A notable pattern among these organizations is the concentration of headquarters in Toulouse, with several major entities like Ville de Toulouse, CHU de Toulouse, and GLS France being based there. Beyond Toulouse, other significant locations include Balma, home to Groupama d'Oc and Banque Populaire Occitane, and Ramonville-Saint-Agne, where ASEI Agir, Soigner, Eduquer, Inclure is located. This distribution indicates a central hub in Toulouse complemented by important regional presences.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Groupama d'Ocgroupama.fr
Insurance company serving 14 departments with 345 branches in Southern France, offering a range of insurance products and services |
28,000 | |||
| 2 |
CHU de Toulousechu-toulouse.fr
A leading university hospital in Occitanie, offering healthcare, research, education, and innovation with over 4,000 doctors and 12,000 staff |
6,036 | |||
| 3 |
Ville de Toulousetoulouse.fr
This company represents the city of Toulouse in France, sharing job opportunities, internships, and apprenticeships offered by the city |
4,718 | |||
| 4 |
Banque Populaire Occitanebanquepopulaire.fr
Provides banking and financial services across eight departments in the southwest region of France, focusing on local customer needs. |
1,455 | |||
| 5 |
GLS Francegls-group.com
Global transport provider offering reliable national and international parcel shipping, express delivery services, and modern digital solutions across a stable European network. |
1,404 | |||
| 6 |
CLINIQUE PASTEUR Toulouseclinique-pasteur.com
Leading French private hospital specializing in cardiology, oncology, and general care, prioritizing patient well-being, ethical practices, and medical innovation through its independent model. |
1,297 | |||
| 7 |
Caisse d'Epargne de Midi-Pyrénéescaisse-epargne.fr
Regional cooperative bank supporting individuals, businesses, social economy, and local entities with financial services and social responsibility focus. |
1,253 | |||
| 8 |
ASEI Agir, Soigner, Eduquer, Inclureasei.asso.fr
Support for people with disabilities through education, healthcare, inclusive housing, and employment across multiple regions with tailored services. |
1,105 | |||
| 9 |
Crédit Agricole Toulouse 31ca-toulouse31.fr
International financial group with mutualist commitments, providing banking services and wealth management to individuals and professionals Focus on solidarity, responsibility, and digital innovation |
1,038 | |||
| 10 |
Tisséo Voyageurstisseo.fr
Provides urban transportation services including buses, automated subways, and tramways |
924 | |||
| 11 | 704 | ||||
| 12 |
IUCT-Oncopoleiuct-oncopole.fr
Comprehensive cancer care, research, and training center uniting public, private, and industrial partners on a single Toulouse campus. |
675 | |||
| 13 |
Groupe Jardeljardel.eu
Specialized truck rental with drivers, offering diverse fleet for local, regional, national deliveries ensuring timely, secure freight transport. |
486 | |||
| 14 |
Clinique des Cèdresclinique-cedres-toulouse.ramsaysante.fr
A leading European healthcare facility with 603 beds providing medical, mental health, and rehabilitation services, now part of Ramsay Santé group |
475 | |||
| 15 |
CLINIQUE DE L'UNIONclinique-union-toulouse.ramsaysante.fr
A large hospital complex in Saint-Jean, part of Ramsay Santé group, providing comprehensive inpatient and outpatient care with expert teams |
447 | |||
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 |
Aéroport Toulouse-Blagnactoulouse.aeroport.fr
Major regional aviation hub managing passenger and cargo traffic across eighty destinations while implementing infrastructure modernization and ambitious carbon neutrality initiatives by 2029. |
399 | |||
| 17 |
Carsat Midi-Pyrénéescarsat-mp.fr
Manages retirement, assists vulnerable insured, and prevents occupational risks in companies, acting as a private entity with a public service mission. |
394 | |||
| 18 |
CPAM de la Haute-Garonne (Assurance Maladie)ameli.fr
Manages social security, covering illness, maternity, work accidents, and occupational diseases for 1.5 million beneficiaries in Haute-Garonne. |
359 | |||
| 19 |
Clinique La Croix du Sudclinique-croix-du-sud-toulouse.ramsaysante.fr
A healthcare facility offering outpatient surgery, rehabilitation, and maternity services, emphasizing modern medical practices in the Midi Pyrénées region |
337 | |||
| 20 |
Sapeurs-pompiers de la Haute-Garonnesdis31.fr
The departmental fire and rescue service of Haute Garonne manages firefighters and resources, providing emergency assistance, prevention, and protection for the community |
312 | |||
| 21 |
Hôpital Joseph Ducuinghopitaljosephducuing.fr
Nonprofit hospital providing medical, surgical, obstetric, and rehabilitation care with strong community focus and high-quality patient services. |
290 | |||
| 22 |
Urssaf Midi-Pyrénéesurssaf.fr
The company collects and redistributes contributions to fund health, retirement, family, and unemployment benefits for millions of French citizens |
267 | |||
| 23 |
Alcis Transportsalcis-groupe.fr
It specializes in passenger transport services including school transport, urban lines, long-distance travel, tourism, and demand-responsive transport. |
243 | |||
| 24 |
CREDIT MUTUEL MIDI ATLANTIQUEcreditmutuel.fr
A civic and social organization based in Occitanie, France, focusing on providing financial services in the Midi-Atlantique region |
242 | |||
| 25 |
SHEM Société Hydro-Electrique du Midishem.fr
Development and operation of hydro-power stations with extensive infrastructure, ensuring safety, environmental preservation, and regional protection. |
230 | |||
| 26 |
Clinique d'Occitanie - ELSANelsan.care
A healthcare facility with nearly 120 doctors and surgeons, and a team of 450 staff, providing 247 hospital beds including surgical and oncology units |
208 | |||
| 27 |
Centre hospitalier Gérard Marchantch-marchant.fr
Public psychiatric health institution providing mental illness prevention, treatment, local care network, and active involvement in psychiatric research programs. |
196 | |||
| 28 |
CLINIQUE AMBROISE PARE TOULOUSEelsan.care
Health establishment offering comprehensive medical care, specialized surgeries, various medical services, and equipped with advanced technical platforms in Toulouse. |
188 | |||
| 29 |
GRDF Occitaniegrdf.fr
Operates France's natural gas distribution network, ensuring access for households and businesses, maintaining infrastructure, and supporting energy transition initiatives. |
181 | |||
| 30 |
Banque Edelbanque-edel.fr
Full-service bank specializing in payment processing, financing, and tailored banking solutions for merchants, managing over 10 billion in transactions. |
181 | |||
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 11, 2026.
More company lists in the Haute-Garonne department
- The largest companies in the Haute-Garonne department 2,406
- Companies with in-house R&D in the Haute-Garonne department 323
- Multinational companies in the Haute-Garonne department 246
- Retail chains in the Haute-Garonne department 222
- Professional services firms in the Haute-Garonne department 208
- Aerospace and defence companies in the Haute-Garonne department 186
- Manufacturers in the Haute-Garonne department 159
- IT services companies in the Haute-Garonne department 158
- IT Services and IT Consulting companies in the Haute-Garonne department 152
- SaaS companies in the Haute-Garonne department 147
- Consulting firms in the Haute-Garonne department 145
- Software Development companies in the Haute-Garonne department 140
- Hardware manufacturers in the Haute-Garonne department 137
- Public sector organisations in the Haute-Garonne department 111
- Business Consulting and Services companies in the Haute-Garonne department 104
- Real Estate companies in the Haute-Garonne department 104
- Aviation and Aerospace Component Manufacturing companies in the Haute-Garonne department 102
- Distributors and wholesalers in the Haute-Garonne department 98
- Education providers in the Haute-Garonne department 94
- Family-owned companies in the Haute-Garonne department 72
- Financial services firms in the Haute-Garonne department 70
- Higher Education companies in the Haute-Garonne department 66
- Retail companies in the Haute-Garonne department 63
- Subscription businesses in the Haute-Garonne department 63
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 Gironde department 63
- Critical infrastructure operators in the Loire-Atlantique department 59
- Critical infrastructure operators in the Hérault department 57
- 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