Exhibit 21.01

SUBSIDIARIES OF OCEANEERING INTERNATIONAL, INC.

Subsidiaries	Percentage of Ownership by Oceaneering International, Inc.			Jurisdiction of Organization
Consolidated Launcher Technology, Inc.		100	%	Virginia
Grayloc Products Ltd.		100	%	England
Grayloc Products, L.L.C.		100	%	Texas
GTO Subsea AS		100	%	Norway
Ifokus Engineering AS		100	%	Norway
Marine International Ltd.		100	%	Vanuatu
Marine Production Systems do Brasil Ltda.		100	%	Brazil
Marine Production Systems Ltd.		100	%	Delaware
Marine Technologies Ltd.		100	%	Vanuatu
Nauticos Corporation		100	%	Maryland
Oceaneering Angola, S.A.		45	%	Angola
Oceaneering AS		100	%	Norway
Oceaneering Australia Pty. Limited		100	%	Australia
Oceaneering Canada, Ltd.		100	%	Delaware
Oceaneering High Performance Cables, Inc.		100	%	Delaware
Oceaneering International AG		100	%	Switzerland
Oceaneering International Dubai LLC		49	%	United Arab Emirates
Oceaneering International Pte Ltd		100	%	Singapore
Oceaneering International Services Limited		100	%	England
Oceaneering International, S.A. de C.V.		100	%	Mexico
Oceaneering Rotator AS		100	%	Norway
Oceaneering Services (Nigeria) Limited		40	%	Nigeria
Oceaneering Services S. de R.L. de C.V.		100	%	Mexico
OIS International Inspection plc		100	%	England
Solus Ocean Systems, Inc.		100	%	Delaware
Solus Oceaneering (Malaysia) Sdn. Bhd.		49	%	Malaysia
Solus Schall (Nigeria) Limited		58	%	Nigeria