Exhibit 21
ROWAN COMPANIES, INC.
LIST OF SUBSIDIARIES
As of February 24, 2010
Company Name | Jurisdiction(s) |
Atlantic Maritime Services, Inc. | USA (Texas) |
British American Offshore Limited | UK (England & Wales) |
Grey Pearl Limited | Gibraltar |
LeTourneau Technologies, Inc. | USA (Texas) |
LeTourneau Technologies America, Inc. | USA (Texas) |
LeTourneau Technologies Asia Pte. Ltd. | Singapore |
LeTourneau Technologies (Australia) Pty. Ltd. | Australia (Queensland) |
LeTourneau Technologies Brazil, Inc. | USA (Delaware) |
LeTourneau Technologies Canada Ltd. | Canada (British Columbia) |
LeTourneau Technologies Comércio de Equipamentos Industriais do Brasil Ltda. | Brazil |
LeTourneau Technologies (Dalian) Co., Ltd. | China (Liaoning Province) |
LeTourneau Technologies Drilling Systems, Inc. | USA (Texas) |
LeTourneau Technologies International, Inc. | USA (Delaware) |
LeTourneau Technologies Middle East FZE | Dubai (Jebel Ali Free Zone) |
LeTourneau Technologies South America, Inc. | USA (Delaware) |
Marine Blue Limited | Gibraltar |
RCI Drilling International, Inc. | Cayman Islands |
RCI International, Inc. | Cayman Islands |
RDC Arabia Drilling, Inc. | USA (Texas) |
RDC Drilling International S.à r.l. | Luxembourg |
RDC Drilling, Ltd. | Bermuda |
RDC International S.à r.l. | Luxembourg |
RDC Marine, Inc. | USA (Texas) |
RDC Qatar, Inc. | USA (Delaware) |
Rowan 240C#3, Inc. | Cayman Islands |
Rowan 240C#4, Inc. | Cayman Islands |
Rowan Angola Limitada | Angola |
Rowan Austria GmbH | Austria |
Rowan Canada Limited | Canada (Nova Scotia) |
Rowan Drilling & Aviation (Netherlands) B.V. | Netherlands |
Rowan Drilling Company, Inc. | USA (Texas) |
Rowan Drilling (Gibraltar) Limited | Gibraltar |
Rowan Drilling Luxembourg S.à r.l. | Luxembourg |
Rowan Drilling Mexico, S. de R.L. de C.V. | Mexico |
Rowan Drilling (U.K.) Limited | UK (Scotland) |
Rowan Egypt Petroleum Services LLC | Egypt |
Rowan Finance LLC | USA (Delaware) |
Rowan International, S. de R.L. | Panama |
Rowan J.P. Bussell, Inc. (to be stricken off March 31, 2010) | Cayman Islands |
Rowan Labor, Inc. | USA (Delaware) |
Rowan Leasing, Inc. | USA (Delaware) |
Rowan Luxembourg S.à r.l. | Luxembourg |
Rowan Marine Drilling, Inc. | Panama |
Rowan Marine Services, Inc. | USA (Texas) |
Rowan Middle East, Inc. | Cayman Islands |
Rowan North Sea, Inc. | Cayman Islands |
Rowan Norway, Inc. | USA (Delaware) |
Rowan Petroleum, Inc. | USA (Texas) |
Rowan Ralph Coffman, Inc. (to be stricken off March 31, 2010) | Cayman Islands |
Rowan, S. de R.L. de C.V. | Mexico |
Rowan Services LLC | USA (Delaware) |
Rowan S116E#1, Inc. | Cayman Islands |
Rowan S116E#2, Inc. | Cayman Islands |
Rowan S116E#3, Inc. | Cayman Islands |
Rowan S116E#4, Inc. | Cayman Islands |
Rowandrill, Inc. | USA (Texas) |
Rowandrill, S. de R.L. de C.V. | Mexico |