| Euronext Paris: RE
Colas SA is engaged in the construction and maintenance of roads, highways, airport runways, port, industrial and logistics infrastructure, bus and tramways, urban transport and recreational facilities, and bicycle paths. It also engages in the manufacture and recycling of construction materials, including aggregates, emulsions, binders, asphalt mixes and ready-to-use concrete through an extensive international network of quarries and emulsion, asphalt and concrete plants; and manufacture and sale of bitumen. The company also provides other road-related products and services, including signage, safety and traffic management systems; civil engineering structures and pipelines; waterproofing, cladding and roofing; building construction, restoration and deconstruction; railroad infrastructure construction, upgrading and maintenance; and public highway and other infrastructure. Colas was founded in 1929 and is headquartered in Boulogne-Billancourt, France.