Roads are the Group’s core business, generating 11.2 billion euros in revenue in 2018, i.e., 85% of total Group revenue. This activity includes two main lines of business: road works and production of construction materials.

01 Roads in France

Roads in France

The construction and maintenance of road infrastructure is Colas' longstanding core business. This business provides revenue of 4.8 billion euros in Mainland France, and is performed via six regional subsidiaries:

  • Colas Île-de-France Normandie
  • Colas Nord-Est
  • Colas Rhône-Alpes Auvergne
  • Colas Midi-Méditerranée
  • Colas Sud-Ouest
  • Colas Centre-Ouest

To find a profit center in France, click here

A leader in the construction of road infrastructure in France

With a close-knit network comprising 280 local profit centers across the country, Colas also puts its expertise at the service of urban planning, making for better city living and preserving historical monuments and landscapes: planning squares and pedestrian-only areas, creating bike paths, tramway lines and reserved lane public transport. 

Its skills are also widely renowned in the fields of civil engineering, deconstruction, safety, road signaling and building: 

- Civil engineering: Across the country, Colas Civil Engineering performs complex projects: engineering structures, underground works, drainage, building rehabilitation, industrial and commercial structures. 

- Deconstruction: Demolition, cleaning, asbestos removal, concrete cutting, dismantling and circular economy, Premys is today’s leader in deconstruction in France, comprising 11 profit centers throughout the country. 

- Safety and Signaling: Aximum, a subsidiary of the Colas Group, is a global operator of safe mobility, able to secure, signal and regulate flows. To learn more, click here

- Building: Colas Bâtiment specializes in new construction, major renovation projects and work on occupied buildings: converting office buildings into housing, maintenance of property, structural reinforcement, etc. 

Expertise at the service of private individuals: Colas & Vous

Through its network of local Colas & Vous agencies, Colas puts its know-how at the service of private individuals for foot paths, driveways, courtyards, terraces, and more. To learn more, click here

02 Roads around the world

  • In mainland France, the Group operates via 6 regional subsidiaries covering the entire country.
  • In Europe, the Group operates in:
    • Northern Europe, including in particular Belgium, Switzerland, Denmark, the United Kingdom and Ireland
    • Central Europe, including in particular Slovakia, Hungary, the Czech Republic, Poland, Croatia and Romania
  • In North America, the Group operates in:
    • 16 states in the United States, where its activities include a significant industrial component (aggregates, asphalt mix and ready-mix concrete) and a substantial bitumen storage business
    • All provinces and territories in Canada: Quebec, Alberta, British Columbia, Yukon, the Northwest Territories, Saskatchewan, Ontario, Nunavut, Manitoba, Nouvelle-Ecosse and Nouveau-Brunswick; with a significant bitumen distribution business
  • In the Rest of the world, the Group operates in:
    • all the French overseas departments and regions: the French Caribbean, French Guiana, Mayotte and Reunion Island
    • Africa and the Indian Ocean, including in particular Morocco, western and southern Africa, Madagascar, Mauritius, the Comoros
    • in the Middle East - in the United Arab Emirates, Oman and Qatar
    • Asia / Australia / Pacific Rim: the Group’s main activity in this region is the production, storage, transformation, distribution and sale of petroleum products, delivered through a network consisting of a bitumen production site in Kemaman, Malaysia along with 37 emulsion plants, 23 bitumen storage depots and 9 bitumen tankers. In Australia, business has expanded to include Road construction. Colas also operates in New Caledonia.

03 Road works

  • Repaving roads on Highway A1 between Bardonnex and Bernex in Switzerland
  • Building the Tamarin road on Reunion Island
  • Renovating the runway at the Koné Airport in New Caledonia
  • Construction of the Buriram automobile racing circuit in Thailand
  • Repaving roads for the Tour de France cycling race in the French Alps
  • Repaving the I 520 Bobby Jones Highway in Georgia, USA

Road works

Road works (69% of total Group revenue)

  • As a leader in road construction and maintenance with 52,000 road projects a year, Colas builds and maintains the following types of infrastructure:
    • highways (e.g., construction of a section of the M35 motorway in Hungary, widening of two sections of the D1 motorway in the Czech Republic, upgrading and widening of sections on Interstates 64, 40, 78 in the United States)
    • major roads (e.g., construction of the southwest ring road in Calgary, construction of a section of Route 47 in Hungary, construction of the Tchetti-Savalou and Logozouhé-Glazoué roads in Benin)
    • airport runways and parking areas (e.g., upgrading runways at Iqaluit airport in Nunavut, Canada, refurbishment of runways at Nosy Be airport in Madagascar)
    • ports, industrial sites, logistics hubs, retail platforms (e.g., development on the Brest polder, construction of infrastructure at the Jaguar Land Rover plant in Slovakia)
    • streets and urban development (pedestrian areas, squares), reserved-lane public transport networks (buses, trams, metros) (e.g., construction of the L2 ring road in Marseille, renovation and maintenance of the roads in central London, extension of tramways from Bordeaux, Lyon, Avignon, Paris region, Rabat, rapid bus transit lines in Aix-en-Provence, Lens, Bayonne, France)

    • recreational facilities: bike paths, motor racing circuits, athletic fields

    • environmental projects: retention ponds, landscaped areas, wind farms

  • Activities at the Road subsidiaries also encompasses:

    • small-scale civil engineering and drainage projects often linked to roads, as well as more complex civil engineering structures forming part of comprehensive road and highway projects. [ex: construction of a number of engineering structures on the Tamarind Road in Reunion Island]
    • In some geographical areas, the Group’s road subsidiaries are sometimes involved in building projects encompassing the following:
      • traditional new building and renovation activities in the Paris region (France) as well as on islands in the Indian Ocean and Pacific Ocean where these activities are an essential complement to the Group’s road activities [ex: construction of a 30-storey office building in Antananarivo (Madagascar)]
      • demolition/deconstruction of old buildings in France, often linked to the Group’s materials recycling activities [ex: demolition of a housing project in Asnières-sur-Seine (France) using hydraulic jacking]

04 Production of construction materials

Doville Quarry in Normandy, France
  • Quarry in Chonburi, Thailand
  • Asphalt plant on a runway repaving project at the Gatwick Airport near London, England
  • Nordhouse gravel pit in eastern France
  • SCPR quarry site on the port, Reunion Island

Production of construction materials

Production of construction materials (16% of total Group revenue)

Upstream from the construction and maintenance activity, Colas also does significant business in the production and recycling of construction materials (aggregates, emulsions and binders, asphalt mix, ready-mix concrete and bitumen) across all its sites around the world. Some of these materials are used by the Group while others are sold to third parties.

Colas operates via a dense international network consisting of:

  • 475 quarries and gravel pits
  • 150 emulsion and binder plants
  • 589 asphalt plants
  • 170 ready-mix concrete plants
  • 1 bitumen production plant in Malaysia

Total volumes produced by Colas in 2018 were as follows:

  • 101 million tons of aggregates sold Colas share
  • 2.6 million tons of emulsions and binders
  • 44 million tons of asphalt mix
  • 3.0 million cubic meters of ready-mix concrete
  • 0.73 million tons of bitumen

The Group’s global authorized reserves of aggregates (Colas Share) are estimated at 2.8 billion tons.