These companies in Ille-et-Vilaine are primarily public and private higher education institutions, offering a diverse range of specialized programs. Université Rennes 2, with 2286 employees, focuses on arts, humanities, and social sciences. EHESP – École des hautes études en santé publique provides public health training and research, while Rennes School of Business specializes in international business education. Other notable institutions include Askoria, which trains social intervention professionals, and AFTEC, offering various educational paths in collaboration with partner companies.
The data shows a strong concentration of these higher education establishments in Rennes, with a few located in Bruz. Many of these institutions, such as INSA Rennes and IUT de Rennes, were founded in the mid-to-late 20th century, indicating a sustained development of the region's educational infrastructure.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Université Rennes 2univ-rennes2.fr
Higher education and research focused on arts, humanities, social sciences, languages, communication, psychology, education, sociology, geography, history, and sports. |
2,286 | |||
| 2 |
EHESP - École des hautes études en santé publiqueehesp.fr
A public institution offering a wide range of training programs in public health, with a strong focus on research and international partnerships |
1,474 | |||
| 3 |
Rennes School of Businessrennes-sb.com
International business school focusing on educating responsible entrepreneurs through English programs, international partnerships, research, innovation, executive training, and hands-on experience |
937 | |||
| 4 |
Askoriaaskoria.eu
The company provides training and guidance to social intervention professionals, aiming to create a more just, supportive, and sustainable society |
581 | |||
| 5 | 547 | ||||
| 6 |
INSA Rennesinsa-rennes.nous-recrutons.fr
Provides five-year post-baccalaureate engineering education with strong research in information technologies and materials science in Brittany, France. |
483 | |||
| 7 |
EMEecole-eme.com
Dedicated to developing industrial environmental engineering skills through training, academic and applied research, and knowledge dissemination via conferences and student publications. |
414 | |||
| 8 |
Institut d'études politiques de Rennessciencespo-rennes.fr
An institution of higher education providing multidisciplinary training to students for roles in public, private, and non-profit sectors, nationally and internationally |
277 | |||
| 9 | 222 | ||||
| 10 | 178 | ||||
| 11 |
École normale supérieure de Rennesens-rennes.fr
The company is a public institution focused on training high-level scientific leaders for public service careers through interdisciplinary education and international collaborations |
165 | |||
| 12 |
IGR-IAE Rennesigr.univ-rennes.fr
A university of management offering personalized education, practical experience, international opportunities, industry-focused diplomas, and a vibrant student life for professional success |
155 | |||
| 13 |
IUT de Rennesiut-rennes.univ-rennes.fr
A public higher education institution offering technology programs in various departments, providing initial and continuing education with a focus on professional development |
151 | |||
| 14 |
Ecole nationale supérieure de Chimie de Rennesensc-rennes.fr
For almost 100 years, ENSCR aims to train chemical engineers for various industries worldwide, equipping graduates to lead national and international projects autonomously |
135 | |||
| 15 |
ECAM Louis de Broglieecam-rennes.fr
It is an engineering school founded in 1991, offering generalist and industrial engineering degrees tailored to industry needs and student expectations. |
132 | |||
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| 16 |
EESAB (École Européenne Supérieure d'Art de Bretagne)eesab.fr
A public institution in Brittany, France offering art education leading to national degrees in art, graphic design, and design Fostering European recognition and student mobility |
113 | |||
| 17 |
ENSAB – page secondaire (fusion vers la page principale bientôt)rennes.archi.fr
A state-recognized architecture school in France with a team of 35 teachers, 80 staff members, and 700 students offering various facilities and services |
106 | |||
| 18 |
IUT de Saint-Maloiut-stmalo.univ-rennes.fr
The company offers excellent training programs from Bachelor's to professional degrees in cutting-edge fields, set in a picturesque environment promoting student exchange and support |
95 | |||
| 19 |
Institut Catholique de Rennesicrennes.org
A private higher education institution in Rennes offering state diplomas in various fields such as Law, History, Literature, English, and Health Management |
93 | |||
| 20 |
Emineo Éducationemineo-education.fr
Personalized support for students' professional projects, ensuring employability through updated skills and accessible higher education in regional cities. |
82 | |||
| 21 |
TOTEM FORMATION // École de Commercetotemformation.fr
An innovative business school in Rennes, Brittany offering various programs from BTS to Mastère specializing in commerce, communication, HR, and real estate |
80 | |||
| 22 |
Rennes YNOV Campusynov.com
Innovative school specializing in digital and creative industries, offering professional diplomas in fields like IT, design, marketing, communication, and more |
75 | |||
| 23 | 74 | ||||
| 24 |
Lycée Frédéric Ozanam 35ozanam.bzh
A Catholic educational institution in partnership with the State, providing a nurturing environment for students to grow, learn, and develop their talents |
74 | |||
| 25 |
ESLI / GIP CEIgip-cei.com
The company offers vocational training in industry-related fields from Bac+2 to Bac+5 levels, focusing on technical and management roles |
70 | |||
| 26 |
Lycée Saint Vincent La Providencesaintvincent-rennes.org
The company provides support and guidance to students preparing for exams through interview simulations, emphasizing personal growth and success |
59 | |||
| 27 |
Digital Campus Rennesdigital-campus.fr
A network of web schools offering various training programs in 6 cities in France and Senegal, focusing on creativity and real-life projects |
48 | |||
| 28 |
LGT JOLIOT CURIE (RENNES)lycee-joliot-curie-rennes.fr
A high school in Rennes, France, providing general and technological education to high school students and students in CPGE and BTS programs |
37 | |||
| 29 |
ESIR - Ecole Supérieure d'ingénieurs de Rennesesir.univ-rennes.fr
Engineering school offering innovative education and research, located on Beaulieu Scientific Campus near Rennes Atalante technology park. |
37 | |||
| 30 |
Creative Seedscreativeseeds.fr
A creative school offering innovative education in animation, special effects, and video game design, providing hands-on experience in a studio setting |
36 | |||
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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 13, 2026.
More company lists in the Ille-et-Vilaine department
- The largest companies in the Ille-et-Vilaine department 1,454
- Companies with in-house R&D in the Ille-et-Vilaine department 152
- Retail chains in the Ille-et-Vilaine department 135
- Multinational companies in the Ille-et-Vilaine department 118
- Manufacturers in the Ille-et-Vilaine department 100
- Professional services firms in the Ille-et-Vilaine department 94
- SaaS companies in the Ille-et-Vilaine department 85
- Family-owned companies in the Ille-et-Vilaine department 81
- Software Development companies in the Ille-et-Vilaine department 80
- Public sector organisations in the Ille-et-Vilaine department 75
- IT Services and IT Consulting companies in the Ille-et-Vilaine department 67
- IT services companies in the Ille-et-Vilaine department 65
- Hardware manufacturers in the Ille-et-Vilaine department 61
- Education providers in the Ille-et-Vilaine department 60
- Distributors and wholesalers in the Ille-et-Vilaine department 58
- Consulting firms in the Ille-et-Vilaine department 54
- Food and Beverage Manufacturing companies in the Ille-et-Vilaine department 46
- Retail companies in the Ille-et-Vilaine department 46
- Critical infrastructure operators in the Ille-et-Vilaine department 45
- Financial services firms in the Ille-et-Vilaine department 45
- Subscription businesses in the Ille-et-Vilaine department 45
- Construction companies in the Ille-et-Vilaine department 43
- Law Practice companies in the Ille-et-Vilaine department 43
- Legal Services companies in the Ille-et-Vilaine department 41
The same list elsewhere in France
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- Higher Education companies in Auvergne-Rhône-Alpes 281
- Higher Education companies in Occitanie 155
- Higher Education companies in Provence-Alpes-Côte d'Azur 155
- Higher Education companies in the Rhône department 155
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- Higher Education companies in the Hauts-de-Seine department 88
- Higher Education companies in Pays de la Loire 85
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- Higher Education companies in the Nord department 68
- Higher Education companies in the Gironde department 67
- Higher Education companies in the Haute-Garonne department 66
- Higher Education companies in Normandy 56
- Higher Education companies in the Hérault department 52
- Higher Education companies in the Bas-Rhin department 44
- Higher Education companies in Bourgogne-Franche-Comté 44
- Higher Education companies in Paris 478
- Higher Education companies in Lyon 115
- Higher Education companies in Toulouse 53
- Higher Education companies in Marseille 42