The container ship MSC Oliver is the largest container vessel (as of May 2015) in the world, together with her sister ships MSC Oscar and MSC Zoe. The vessel was delivered in March 2015 by Daewoo Shipbuilding and Marine Engineering (South Korea). According to the official statement of the CEO of Mediterranean Shipping Company, the three sister-ships are part from a bulk order for 20 vessels with same size, which will be used for cost optimizations of the company.