Company
BESSAC, a company specialized in the field of tunnels and microtunnels, has 40 years of experience in underground works, in various applications.

Key Points

Highly specialized teams, able to mobilize and respond quickly

A fleet of more than 40 TBMs and MicroTBMs

Strong capacity for innovation
Impact

250 collaborators

100 km of tunnels in 10 years

90+ km of microtunnels in 10 years

70% of annual turnover made for export
Business Sectors
- Subway
- Oil & Gas
- Water & Sewerage
- Nuclear
- Mining
- Maritime Works
- Energy
- Technical Galleries
Our History
A Half-Century of Tunnels
2018

Construction of our new headquarters

Winner of the International Tunneling Award with TDM, Hong Kong
2013
2009

Triple certification in Quality, Safety, and Environment, and creation of Bessac Andina in Colombia

Concept and manufacture of the first Bessac EPB TBM for the VL10 Project near Paris in France
2004
2001

First subway project for Bessac, Lot 3, Line B in Toulouse, France

First international project, BEWAG, in Berlin, Germany
1995
1990

Soletanche acquires Bessac

Concept and manufacture of the first Bessac compressed-air TBM for use in a rainwater collection project near Paris in France
1985
1976

Concept and manufacture of the first Bessac non-mechanized TBM for a pedestrian underpass project in Toulouse
Creation of the company BESSAC Jacking & Drilling by Michel Bessac