Dubai World has consolidated its drydocks and maritime business by bringing Dubai Drydocks, Al Jadaf Shipyard, Platinum Yachts FZ and Platinum Yacht Management under a single umbrella - Dubai Drydocks World (DD World), a statement said. Dubai World, which runs DP World, the world's third largest port operator, yesterday announced the establishment of Dubai Drydocks World (DD World) to consolidate the dry docks and maritime sector of the organisation. All of these business units have aligned activities, which involve ship repair, conversion and ship building. Dubai Drydocks, a Dubai government-owned entity, has been operating since 1983 and has grown from humble beginnings into a world leader in the ship repair and conversion business.