COLAS

Colas SA constructs and maintains transport infrastructure worldwide. It operates through Roads Mainland France, Roads Europe, Roads North America, Roads Rest of the World, and Railways and Other Activities segments. The company builds and maintains roads and highways; and works on airfield runways and aprons, seaports, industrial sites, logistics and commercial premises, city streets and urban development, reserved-lane public transport, recreational amenities and environmental protection, etc. It also engages in the renovation, demolition, and deconstruction of existing buildings; and constructs small-scale civil engineering and drainage projects. In addition, the company produces and recycles construction materials, such as aggregates, emulsions and binders, asphalt mixes, ready-mix concrete, and bitumen. Further, it designs and engineers rail projects; constructs, renews, and maintains rail networks, such as high-speed and conventional train routes, tramways, and metros; lays and maintains tracks, electrification, and signaling and safety systems, as well as specialty projects comprising retractable bridges, special branch lines, and tunnels; and manufactures ties, as well as operates a rail freight business. Additionally, the company manufactures and sells waterproofing membranes; performs works on embankments, retaining walls, engineering structures, and buildings; and installs and maintains pipelines and pipes for the transport of fluids, including the construction of natural gas compression stations and for dry networks, civil works, and industrial services. It also manufactures, installs, and maintains road safety and signaling products consisting of safety equipment, such as guardrails; bitumen emulsions, road marking paints, surfactants, etc.; signs; and traffic systems. The company was founded in 1929 and is headquartered in Paris, France. Colas SA is a subsidiary of Bouygues SA. Show More...