Exhibit 21.1
SUBSIDIARIES OF HUNTINGTON INGALLS INDUSTRIES, INC.
Name of Subsidiary | Jurisdiction of Organization | Ownership Percentage | ||||||||||||
Avondale Engineering & Construction Company | Delaware | 100% | ||||||||||||
CEMC Enterprise, LLC | Delaware | 100% | ||||||||||||
Commonwealth Technology Innovation LLC | Virginia | 100% | ||||||||||||
Enlighten IT Consulting LLC | Maryland | 100% | ||||||||||||
Fleet Services Holding Corp. | Delaware | 100% | ||||||||||||
Gray Research, Inc. | Alabama | 100% | ||||||||||||
H&B Defence Pty Ltd | Australia | 100% | ||||||||||||
HII (Australia) Holding Company Pty Ltd | Australia | 100% | ||||||||||||
HII Energy Inc. | Virginia | 100% | ||||||||||||
HII Fleet Support Group LLC | Delaware | 100% | ||||||||||||
HII Mission Technologies Corp. | Delaware | 100% | ||||||||||||
HII Nuclear Inc. | Delaware | 100% | ||||||||||||
HII Nuclear Canada, Inc. | Canada | 100% | ||||||||||||
HII San Diego Shipyard Inc. | California | 100% | ||||||||||||
HII Services Corporation | Delaware | 100% | ||||||||||||
HII Technical Solutions Corporation | Delaware | 100% | ||||||||||||
HII Technical Solutions Limited | United Kingdom | 100% | ||||||||||||
HII TSD Holding Company | Delaware | 100% | ||||||||||||
HII (US) International Holding Company | Delaware | 100% | ||||||||||||
HII (UK) International Holding Company Ltd. | United Kingdom | 100% | ||||||||||||
HII Unmanned Systems, Inc. | Delaware | 100% | ||||||||||||
Huntington Ingalls Engineering Services, Inc. | Delaware | 100% | ||||||||||||
Huntington Ingalls Incorporated | Virginia | 100% | ||||||||||||
Huntington Ingalls Industries Australia PTY Ltd. | Australia | 100% | ||||||||||||
Huntington Ingalls Industries Energy and Environmental Services, Inc. | Delaware | 100% | ||||||||||||
Huntington Ingalls Industries International Shipbuilding, Inc. | Nevada | 100% | ||||||||||||
Huntington Ingalls Industries Risk Management LLC | Vermont | 100% | ||||||||||||
Huntington Ingalls Unmanned Maritime Systems, Inc. | Delaware | 100% | ||||||||||||
Idaho Cleanup Completion Partners, LLC | Delaware | 61% | ||||||||||||
Ingalls Shipbuilding, Inc. | Delaware | 100% | ||||||||||||
Integrated Mission Excellence, LLC | Delaware | 100% | ||||||||||||
KHA Defense Solutions PTY LTD | Australia | 50% | ||||||||||||
National Tru Solutions LLC | Delaware | 75% | ||||||||||||
Nationwide Remediation Partners, LLC | Delaware | 51% | ||||||||||||
Newport News Nuclear BWXT-Los Alamos, LLC | Delaware | 51% | ||||||||||||
Newport News Nuclear, Inc. | Virginia | 100% | ||||||||||||
Newport News Reactor Services, Inc. | Virginia | 100% | ||||||||||||
Newport News Shipbuilding and Dry Dock Company | Delaware | 100% | ||||||||||||
Pantex Production Partners LLC | Delaware | 100% | ||||||||||||
Pegasus International Holdings, Inc. | Texas | 100% | ||||||||||||
Pegasus International Services, Inc. | Nevada | 100% |
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Exhibit 21.1
Name of Subsidiary | Jurisdiction of Organization | Ownership Percentage | ||||||||||||
Realion Robotics LLC | Virginia | 95.1% | ||||||||||||
TITAN II Inc. | Delaware | 100% | ||||||||||||
Trusted Security Alliance, LLC | Maryland | 75% | ||||||||||||
UniversalPegasus International Trinidad and Tobago Limited | Trinidad and Tobago | 86.5% | ||||||||||||
Veritas Analytics, Inc. | Virginia | 100% |
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