With more than 90 years' experience in France and internationally, TSO puts its expertise to work on:

• Track construction, replacement, and maintenance
• Rail safety
• Electrification and catenary upgrades
• Survey and rail software development
• Maintenance, repair and rebulding of powered rolling stock

About TSO

Subsidiary of NGE since 2011, TSO has more than 90 years’ experience in railway solutions. In its commitment to technological innovation, TSO focuses its research  on delivering improvements that combine quality with service efficiency and the safety of its personnel. Developing synergies between the specialties of TSO and  the complementary expertise available within NGE allows  the Group to deliver a global and multi-expertise offering in France and overseas.

About NGE ( www.nge.fr )

In France and around the world, the teams of NGE serve communities, regions and countries by designing, constructing and refurbishing infrastructures and buildings. The expertise and team working skills of the 10,000 men and women of the Group give them the confidence to embrace and anticipate the changing nature of the jobs they do and work closely with their customers.

Reporting annual revenue of €1.6 billion, NGE is an independent French civil engineering company involved in the construction of major infrastructure projects, urban development programs and local development schemes.

• Construction
• Rail signaling
• Rail safety
• Renewal and upgrading of existing lines

• Construction : High speed lines, TSO has contributed to laying more than 2,500 km of high-speed rail lines in France and elsewhere in Europe / Conventional lines, TSO has delivered many succesful projects in France and abroad / Urban lines, TSO tailors its service offer to meet the needs of all urban transit systems, from trolleybuses to tramways and aubways.
• Rail signaling : Design and installation of new and remplacement signaling networks
• Rail safety : Ensuring on-site safety for national rail infrastructure projects / COSS (Controller Of Site Safety) and lookout management / Temporary speed limits / Temporary earthing of OLE equipment
• Renewal and upgrading of existing lines : Rail replacement / Replacement of switches and crossings / Replacement by high output operations / Track rehabilitation in critical areas / Upgrading of temporarily non operated lines / Catenary overhaul