NGE Contracting Limited


Company overview

TSO is a rail industry pioneer. Part of NGE, it draws on over 90 years of experience in France and around the world, undertaking:

  • Track construction, maintenance, and replacement.
  • Electrification and catenary upgrades.
  • Rail software and survey development.
  • Rail signalling.
  • Rail safety.

TSO’s capabilities are complemented by NGE’s expertise, enabling the group to provide comprehensive packages and support even the most technically challenging projects.


TSO at a glance

  • Launched in 1927.
  • €440m annual turnover.
  • 3,000 professionals.


TSO holds three standards:

  • ISO 9001, since 1997.
  • ISO 14001, since 2009.
  • OHSAS 18001, since 2010.

What TSO does

TSO designs, constructs, renews, and maintains the world’s railways.

Track construction:

Track maintenance and renewal:


Electrification and renewal.


Rail safety and signalling.