DEME owns and operates a fleet of over 80 main dredging vessels and additionally another 200 auxiliary vessels and specialised equipment. Versatility is a basic characteristic of this extensive fleet that is strong in every segment: in types and in sizes. This fleet is maintained, upgraded and modernized on day-to-day basis. In 2012, DEME completed two ambitious investment programmes started in 2005. In less than a decade, the Group has spent almost two billion euros on the extension, upgrading and modernization of its fleet.