Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
Percentage of Voting
Securities Owned By
Immediate Parent as
of August 31, 1996
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Parent of the Registrant
Robert L. Parker 6% of Common Stock
(6% of voting
securities assuming
full dilution)
Consolidated subsidiaries of the Registrant
(Jurisdiction of incorporation):
Parker Drilling Company of South America, Inc. (Oklahoma) 100%
Parker Drilling Company of Oklahoma, Inc. (Oklahoma) 100%
Parker Technology, Inc. (Oklahoma) (1) 100%
Vance Systems Engineering, Inc. (Texas) (2) 100%
Parker Drilling Company International Limited (Nevada) (3) 100%
Parker Drilling Company of Alaska Limited (Alaska) 100%
Parker Drilling Company of New Guinea, Inc. (Oklahoma) 100%
Parker Drilling Company of North America, Inc. (Oklahoma) 100%
Parker Drilling Company Limited (Nevada) 100%
Certain subsidiaries have been omitted from the list since they would not,
even if considered in the aggregate, constitute a significant subsidiary. All
subsidiaries are included in the consolidated financial statements.
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(1) Parker Technology, Inc. owns 100% of three subsidiary corporations,
namely:
Parco Masts and Substructures, Inc. (Oklahoma)
O.I.M.E. Export Corporation (Texas)
O.I.M.E. International, Inc. (Texas)
(2) Vance Systems Engineering, Inc. owns 100% of Parker Drilling Company
Limited (Bahamas), 100% of Parker Drilling Company Kuwait, Ltd.
(Bahamas) and 93% of Parker Drilling Company Eastern Hemisphere, Ltd.
(Oklahoma). Parker Drilling Company Limited owns 7% of Parker Drilling
Company Eastern Hemisphere, Ltd. (Oklahoma).
(3) Parker Drilling Company International Limited owns 100% of three
subsidiary corporations, namely:
Parker Drilling U.S.A. Ltd. (Nevada)
Choctaw International Rig Corp. (Nevada) (which owns 100% of the
common stock of Parker Drilling Company of Indonesia, Inc. (Oklahoma))
Creek International Rig Corp. (Nevada)