Constructing tunnels & microtunnels
Constructing tunnels and microtunnels,
since 50 years.
About
Bessac
Quelques mots
sur Bessac
Bessac was built upon its dual expertise as both a public works contractor and a manufacturer of TBMs.
For over 50 years, we’ve gained unparalleled experience in both tunnel and microtunnel construction, as well as the design and manufacturing specialized equipment for underground works.
BESSAC offers:
– A group of highly mobile and reactive teams that are uniquely specialized.
– A fleet of more than 40 TBMs and MicroTBMs.
– A high capacity for innovation.
Key figures
experience
tunnels and microtunnels
collaborators around the world
Our activities
Our achievements
Toulouse Subway – Line B Connection Project – Francemarinedepartementmarketing2025-08-28T11:19:28+02:00
France/Spain Electrical Interconnection Bay of Biscaymarinedepartementmarketing2025-08-28T11:14:53+02:00
Restructuring the wastewater networks – Boulevard de la Croisette Cannes – Francemarinedepartementmarketing2025-08-28T11:18:53+02:00
Offshore Tunnel for gas pipeline in Abidjan – Ivory Coastmarinedepartementmarketing2025-08-28T11:17:42+02:00
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