Chryso is a manufacturer of chemical admixtures and additives to improve the performance of construction materials such as concrete and cement. Chryso has developed superior technology, differentiated products and highly sophisticated processes, similar to those of large global construction groups. The business also provides construction systems for the repair and maintenance of buildings.

Established in 1942 and headquartered in France, Chryso has global operations in more than 100 countries worldwide, employing approximately 1,200 people.