Exhibit 21.1
Subsidiaries of Helix Energy Solutions Group, Inc.
As of December 31, 2008
Name of Subsidiary | Jurisdiction of Formation |
Canyon Offshore, Inc. | Texas |
Canyon Offshore Limited | Scotland |
Canyon Offshore International Corp | Texas |
Helix Energy Solutions BV | The Netherlands |
Helix Energy Solutions (U.K.) Limited | Scotland |
Helix Well Ops (U.K.) Limited | Scotland |
Helix HR Services Limited | Scotland |
Helix Offshore Crewing Services PTE. LTD | Singapore |
Helix Energy Limited | Scotland |
Helix RDS Limited | Scotland |
Helix RDS Pty Limited | Australia |
Helix Well Ops, Inc. | Texas |
Energy Resource Technology GOM, Inc. | Delaware |
CKB Petroleum, Inc. | Texas |
CKB & Associates, Inc. | Texas |
Box Brothers Realty Investments Company | Texas |
CB Farms, Inc. | Texas |
Box Resources, Inc. | Texas |
Energy Resource Technology (U.K.) Limited | Scotland |
Cal Dive I-Title XI, Inc. | Texas |
Helix Vessel Holdings LLC | Delaware |
Neptune Vessel Holdings LLC | Delaware |
Vulcan Marine Holdings LLC | Delaware |
Vulcan Marine Technology LLC | Delaware |
Helix Offshore Ltd. | Cayman Islands |
Helix Subsea Construction, Inc. | Delaware |
Kommandor LLC (50% interest) | Delaware |
Cal Dive International, Inc. (58.5% interest) * | Delaware |
Helix Energy Services Pte. Limited. | Singapore |
AGR-Helix Floating Production Limited (50%) | Cayman Islands |
Well Ops SEA Pty Ltd (d/b/a Seatrac) | Australia |
Helix Energy Services Pty Ltd | Australia |
Helix Ingleside LLC | Delaware |
Helix Shiraz Pty Ltd. (50%) | Australia |
Helix Energy Services (Cyprus) Limited | Cyprus |
* Does not include subsidiaries of Cal Dive International, Inc. that are disclosed in its Annual Report on Form 10-K for the year ended December 31, 2008.