George Economou

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

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 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.

Ocean Rig Partners LP engages in providing offshore drilling services. Its activities include owning, operating and acquiring offshore drilling units. The company was founded on April 16, 2014 and is headquartered in Nicosia, Cyprus.

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

Heidmar, Inc. engages in the transportation of crude oil and petroleum products. The firm specializes in pool management, commercial management, ship chartering, claims settlement, bunker services, risk management and FFA Trading. The company was founded by Per Heidenreich in October 1984 and is headquartered in Norwalk, CT.