Company Story
2019 - Valaris Limited was formed through the merger of Ensco and Rowan Companies.
2010 - Ensco plc was formed through the merger of Ensco, Inc. and Scorpion Offshore Ltd.
2009 - Rowan Companies, Inc. acquired 12 jackup rigs from SCOPE.
2008 - Ensco, Inc. acquired Scorpion Offshore Ltd.
1993 - Rowan Companies, Inc. went public with an initial public offering.
1989 - Ensco, Inc. was formed through the merger of Blocker Energy Corporation and Chieftain International Drilling Company.
1970s - Rowan Companies, Inc. began operating as a drilling contractor.
1940s - Ensco, Inc.'s predecessor companies began operating as drilling contractors.