Rowan Companies PLC was incorporated under the laws of England and Wales on May 4, 2012. The Company provides offshore oil and gas contract drilling services utilizing a fleet of 27 self-elevating mobile offshore "jack-up" drilling units and four ultra-deepwater drillships. The Company conducts offshore drilling operations in various markets throughout the world including the United Kingdom (U.K.) and Norwegian sectors of the North Sea, the Middle East, the United States Gulf of Mexico (US GOM), Southeast Asia, West Africa, Trinidad and Egypt. The Company owns and operates 30 jack-up rigs and one ultra-deepwater drillship, with three additional drillships under construction. It market its drilling services to present and potential customers, including large international energy companies, smaller independent energy companies and foreign government-owned or government-controlled energy companies. It competes with several offshore drilling contractors that together have 829 mobile rigs available, including 513 jack-ups. In the U.K., the U.S. and other countries in which it operates have regulations relating to environmental protection and pollution control.