De Haas Shipyards has two optimally equipped shipyards in the Port of Rotterdam for small and medium-sized vessels and specializes in the complete maintenance, repair, refit and on-site service of patrol vessels, tugs and workboats, CTVs, Search and Rescue (SAR) vessels, super yachts, survey vessels and other specialized professional vessels. For lifting vessels, De Haas Shipyards has two Marine Travelifts® with a maximum capacity of up to 820 tons. De Haas Shipyards also builds new specialty application vessels with a focus on government and military vessels.