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Siège social

  • Adresse :
    44 rue Jean Mermoz
  • Téléphone :
    +33 (0)1 34 93 83 00
  • Fax :
    +33 (0)1 34 93 82 99
  • Site internet :

Secteurs d'activités

  • Track works

Informations financières et juridiques

  • Forme juridique :
    Limited company
  • Capital en € :
    € 40 312 762
  • CA global en € : -
  • CA ferroviaire en € : -
  • CA ferroviaire à l’export en € : -
  • Effectifs ferroviaires : 3290


  • GRASS Francis [President]

Descriptif / Historique

Created on the 31st of January 2008, Colas Rail is the result of the merger of Spie Rail and Seco Rail. By combining complementary activities, our new company has become a highly effective major player in the railway market.
Specialising in catenaries, power supplies, sleeper manufacturing and signalling, in France and abroad, Spie Rail was sold by the SPIE Group to the Colas Group on the 31st of May 2007.

Seco Rail, which was purchased from the Desquennes et Giral group by the Colas group in October 2000, is an expert in maintenance and replacement of railway tracks, laying of new lines and urban transport.

Since January 2007, Seco Rail had also been conducting a railway freight activity (transporting of quarry aggregates to asphalt plants), thus further completing its range of expertise.

The merger means that Spie Rail's and Seco Rail's activities complement and enrich each other to offer customers top-quality global railway expertise through a single company: Colas Rail. At a time when customers are increasingly demanding turnkey offers, this alliance meets the new requirements of the market.

We are able to provide any service in the railway field, from the simplest to the most complex. Our new entity aims to be become the leading company in the market for design, construction and maintenance of fixed installations and guided transport infrastructures in Europe and abroad.

The fact that our new entity belongs to the Colas group, the world's leading company in road construction and maintenance, gives it a solid foundation based on very high level expertise and technologies. Operating on every continent in some forty countries, via a network of 1400 sites, Colas employs more than 62,000 people, nearly half of them outside metropolitan France.

Although 80% of its activity is devoted to roads, the group has been able to diversify, complementing its range of expertise in road safety, civil engineering, pipes, sealing, construction, railways and site pollution control. Since 1986, Colas has joined the Bouygues group, thus propelling the industrial giant to the top position in the world construction market.
In addition to this original favoured area of activity -construction - Bouygues has rapidly extended its activities to real estate, telecommunications, television and energy by its involvement in Alstom's capital. It is now an essential and impossible- to-ignore player in the world economy.


  • Catenaries
  • Longitudinal/cross sleepers
  • Track works
  • Sleepers
  • Rail track (maintenance)
  • Rail track (fixing and sundry operations)

Activités détaillées

An environmentally-friendly means of transport par excellence, railways are destined to develop. Colas Rail contributes to these efforts to protect the planet. From high speed lines to conventional lines, trams, metros, private sidings and multimodal pl



    SNCF - Catenary and signalling works ; FNTP ; SERCE ; AFAQ - ISO 9001 et 14001 ; SNCB (Belgium) ; Railtrack (UK) ; RFI (IT)


  • SPMM
  • GMVF
  • Emofer
  • vecchietti
  • Technifer
  • ISAF
  • Lamblin
  • SGTE
  • Colas Rail Belgium
  • Colas Rail Ltd


  • Maisons Laffitte (France)
  • Cergy-Pontoise (France)