|
Name of Subsidiary
|
Jurisdiction of Formation
|
|
Cal Dive I-Title XI, Inc.
|
Texas
|
|
Deepwater Abandonment Alternatives, Inc.
|
Texas
|
|
Energy Resource Technology (U.K.) Limited
|
Scotland
|
|
ERT Camelot Limited
|
Scotland
|
|
Helix Alliance Decom, LLC
|
Delaware
|
|
Helix do Brasil Serviços de Petróleo Ltda.
|
Brazil
|
|
Helix Energy Solutions (U.K.) Limited
|
Scotland
|
|
Helix International Group Holdings (U.K.) Limited
|
Scotland
|
|
Helix Offshore Crewing Services Limited
|
Scotland
|
|
Helix Offshore Crewing Services PTE. Ltd.
|
Singapore
|
|
Helix Offshore Energy Services (Australia) Pty Ltd.
|
Australia
|
|
Helix Offshore Holdings Ltd.
|
Delaware
|
|
Helix Offshore International Holdings S.à r.l.
|
Grand Duchy of Luxembourg
|
|
Helix Offshore International, Inc.
|
Texas
|
|
Helix Offshore Ltd.
|
Cayman Islands
|
|
Helix Offshore Services A.S.
|
Norway
|
|
Helix Offshore Services Limited
|
Scotland
|
|
Helix Oil & Gas (U.K.) Limited
|
Scotland
|
|
Helix Property Corp.
|
Texas
|
|
Helix Q5000 Holdings LLC
|
Delaware
|
|
Helix Robotics Solutions, Inc.
|
Texas
|
|
Helix Robotics Solutions International Corp.
|
Texas
|
|
Helix Robotics Solutions Limited
|
Scotland
|
|
Helix Subsea Construction, Inc.
|
Delaware
|
|
Helix Well Ops Inc.
|
Texas
|
|
Helix Well Ops (U.K.) Limited
|
Scotland
|
|
Independence Hub, LLC (20% owned)
|
Delaware
|
|
Kommandor LLC
|
Delaware
|
|
Offshore Well Services, S. de R.L. de C.V.
|
Mexico
|
|
Subsea Technologies Group Limited
|
Scotland
|