George Economou

DryShips, Inc. engages in ownership and management of ocean going cargo vessels and provision of drilling services. It operates though the following segments: Drybulk, Offshore Support, Tanker, Gas Carrier, and Other. The Drybulk segment consists of transportation and handling of drybulk cargoes through ownership and trading of vessels. The Offshore Support segment includes offshore support services to the global offshore energy industry through the operation of a diversified fleet of offshore support vessels. The Tanker segment refers to the vessels for the transportation of crude and refined petroleum cargoes. The Gas Carrier segment focuses on the vessels for the transportation of liquefied petroleum gas. The Other segment relates to the company’s investment activities. The company was founded by George E. Economou on September 9, 2004 and is headquartered in Athens, Greece.

Ocean Rig ASA owns and operates drilling rigs. It specializes in offshore exploration, development, and production drilling in deepwater. The company has two drilling rigs, Leiv Eiriksson and Eirik Raude. Ocean Rig serves oil companies. The company was founded in 1996 and is headquartered in Stavanger, Norway

AllShips Ltd. operates ocean going cargo vessels. The company wads founded in 1998 and is headquartered in Athens, Greece.

Ocean Rid UDW, Inc. is a holding company, which engages in offshore drilling operations. Through its subsidiaries, it provides oilfield services for offshore oil and gas exploration, development, and production drilling, specializing in the ultra-deepwater and harsh-environment segment of the offshore drilling industry. It owns and operates offshore ultra deepwater drilling units, comprised of ultra deepwater semisubmersible drilling rigs and ultra deepwater drilling ships. The company was founded on December 10, 2007 and is headquartered in Nicosia, Cyprus.

Cardiff Marine, Inc. is a private company based in Amaroussion, Greece. and has subsidiaries in Greece. Cardiff Marine, Inc. manages ocean-going vessels. The Greek company was founded by George E. Economou.