Exhibit 21.1
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COOPER CAMERON CORPORATION -- SUBSIDIARIES & JOINT VENTURES
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(As of March 1, 2003)
State/Country of
% Owned % Owned Incorporation or
Cooper Cameron Corporation (Delaware) -- Parent By Subsidiary by CCC Organization
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Cameron Algerie (1 share owned by CCPEG) 100% Algeria
Cameron Argentina S.A.I.C. (122,700 shares owned by CCPEG) Less than 1% 100% Argentina
Cameron GmbH 100% Germany
Cameron Services Middle East LLC (Joint Venture)/1/ 24% Oman
Cameron Venezolana, S.A. 100% Venezuela
-Cameron Remanufacturas, C.A. 100% Venezuela
-Camercay, Ltd. 100% Grand Cayman
Compression Services Company 100% Ohio
Cooper Cameron do Brasil Ltda. (1 share owned by CCPEG)/2/ 100% Brazil
Cooper Cameron Foreign Sales Company Ltd. 100% Barbados
Cooper Cameron Holding (Cayman) Limited 100% Cayman
-Cameron Australasia Pty. Ltd. 100% Australia
-Cooper Cameron (Gibraltar) Limited 100% Gibraltar
--Cooper Cameron (Luxembourg) SARL 100% Luxembourg
---Cameron Ireland Limited 100% Ireland
---Cooper Cameron Limited 100% Canada
---Cooper Cameron Canada, Ltd. 100% Canada
---Cooper Cameron Holding (Luxembourg) SARL 100% Luxembourg
---Cooper Cameron Holding (U.K.) Limited 100% United Kingdom
----Cameron France, S.A.S. 100% France
-----Cameron Gabon, S.A.S (1 share owned by Chmn) 100% Gabon
----Cooper Cameron (U.K.) Limited 100% United Kingdom
-----Cooper Cameron (U.K.) Investments Limited 100% United Kingdom
------Flow Link Systems Private Ltd. 100% United Kingdom
------Nutron Manufacturers (India) Private Limited 100% India
------Nutron Flow Control International (U.K.) Limited 100% United Kingdom
------Flow Control-Tati Production Sdn. Bhd. 100% Malaysia
------Nutron Flow Control Sdn. Bhd. 100% Malaysia
-----Cameron Offshore Engineering Limited 100% United Kingdom
-----Cooper Cameron Pensions Limited 100% United Kingdom
-----Cameron Integrated Services Limited 100% United Kingdom
----Cooper Cameron Holding B.V. 100% Netherlands
-----Cooper Energy Services B.V. 100% Netherlands
-----Cameron B.V. 100% Netherlands
----Cooper Cameron Holding (Norway) AS 100% Norway
------Cameron Norge AS 100% Norway
Cooper Cameron (Malaysia) Sdn Bhd/3/ 49% Malaysia
Cooper Cameron (Holding) Corp. 100% Nevada
Cooper Cameron Corporation Nigeria Limited 60% Nigeria
Cooper Cameron S.R.L. 100% Italy
Cooper Energy Services de Venezuela, S.A. 100% Venezuela
Cooper Energy Services International, Inc. 100% Ohio
-Canada Tiefbohrgerate und Maschinenfabrik GmbH/6/ 100% Austria
Cooper Cameron (Singapore) Pte. Ltd./4/ 39% 61% Singapore
-Riyan Cameron (B) Sendirian Berhad 100% Brunei
Cooper Cameron de Mexico S.A. de C.V. (1 share owned by CCPEG) 100% Mexico
Cooper Cameron Petroleum Equipment Group, Inc. (CCPEG) 100% Delaware
Cooper Turbocompressor, Inc. (Delaware) 100% Delaware
Lyulka-Cooper (Russian Federation Joint Venture- Inactive)/5/ 50% Russia
Orbit Valve International, Inc. (Arkansas) 100% Arkansas
-Orbit Valve Company (Arkansas) 100% Arkansas
Wellhead Services, Inc. (Nevada) 100% Nevada
1 Partially owned by United Engineering Services LLC
2 Brazilian Law Requires 2 shareholders
3 Local Malaysian law requires that a majority of stock be owned by local
residents.
4 Partially owned by Cooper Energy Services International, Inc.
5 Partially owned by Lyulka-Saturn.
6 1 share owned by CCPEG