Colas Europe belongs to Colas Group, a world leader in the field of construction and maintenance of roads and other transport ... infrastructure such as rail, air, the sea as well as urban development. Since 1929 Colas operates from its headquarters in France with a network across 50 countries and five continents. Colas Europe with headquarters in Paris represents and operates subsidiaries in the following countries: • Austria • Belgium • Croatia • Czech Republic • Denmark and Island • Hungary • Slovakia • Slovenia • Switzerland • Poland • Romania read more