EXHIBIT 21

SUBSIDIARIES OF THE REGISTRANT

The following is a list of subsidiaries of the Registrant:

Registrant and Parent:

 Rowan Companies, Inc.

Wholly-Owned Subsidiaries of Registrant:

 Rowan International, Inc., a Panamanian corporation

 Rowandrill, Inc., a Texas corporation

 Rowan Drilling Company, Inc., a Texas corporation

 Atlantic Maritime Services, Inc., a Texas corporation

 LeTourneau, Inc., a Texas corporation

Note:	Certain subsidiaries have been omitted from this listing
	because such subsidiaries, when considered in the aggregate as a
	single subsidiary, would not constitute a significant subsidiary.