DryShips Inc. is a holding company. The Company is a provider of ocean transportation services for drybulk and petroleum cargoes through its ownership and operation of drybulk carrier vessels and oil tankers and offshore drilling services through the ownership and operation by its majority-owned subsidiary, Ocean Rig UDW, of deepwater drilling units. It owns a fleet of approximately 39 drybulk carriers, comprising 13 Capesize, 24 Panamax and two Supramax vessels, 10 tankers, comprising four Suezmax and six Aframax vessels and 10 drilling units, comprising two ultra-deepwater semisubmersible offshore drilling rigs, its sixth generation ultra-deepwater drillships and four seventh generation ultra-deepwater drillships. Its drybulk carriers, drilling units and oil tankers operate around the world. The Company's segments include Drybulk, Tanker and Drilling.