EXHIBIT 21.1
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Name of Subsidiary | Jurisdiction of Formation |
AES-EOT Equipment Holdings, LLC | Louisiana |
Alliance Energy Services, LLC | Louisiana |
Alliance Group of Louisiana L.L.C. | Louisiana |
Alliance Industry Holdings, LLC | Louisiana |
Alliance LB Dallas Holdings, LLC | Louisiana |
Alliance LB Miami Holdings, LLC | Louisiana |
Alliance Liftboats, LLC | Louisiana |
Alliance Maritime Holdings, LLC | Louisiana |
Alliance Offshore, LLC | Louisiana |
Alliance Special Ventures Holdings, LLC | Louisiana |
Alliance-Triton GOM Holdings, LLC | Delaware |
Alliance Vessel Leasing, LLC | Louisiana |
Cal Dive I-Title XI, Inc. | Texas |
Deepwater Abandonment Alternatives, Inc. | Texas |
Dickson Road Investments, LLC | Louisiana |
Energy Resource Technology (U.K.) Limited | Scotland |
ERT Camelot Limited | Scotland |
Explorer DSV Holdings, LLC | Louisiana |
Heavy Lift Holdings, LLC | Louisiana |
Hedron Holdings, LLC | Louisiana |
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 |
Patriot DSV Holdings, LLC | Louisiana |
Subsea Technologies Group Limited | Scotland |
Triton Diving Services, LLC | Louisiana |
Whitney Clare Holdings, LLC | Louisiana |
Whitney Liftboats, LLC | Louisiana |
Whitney Maritime Holdings, LLC | Louisiana |