Rowan Companies plc is a provider of international and domestic offshore contract drilling services. The Company provides offshore contract drilling services utilizing a fleet of 31 self-elevating mobile offshore drilling platforms (jack-up rigs). Its primary focus is on jack-up rigs, which its customers uses for exploratory and development drilling and, in certain areas, well workover operations. In addition, it had three deepwater drillships, as of December 31, 2011, which was under construction. It conducts offshore drilling operations in various markets throughout the world, and as of February 27, 2012, it had 11 rigs in the Middle East, 10 in the United Sates Gulf of Mexico, six in the North Sea, two in Trinidad, and one each in Malaysia and Vietnam. On September 1, 2011, the Company completed the sale of its land drilling services business. On June 22, 2011, the Company completed the sale of its wholly owned manufacturing subsidiary, LeTourneau Technologies, Inc.