Attached files

file filename
EX-32.2 - EX-32.2 - HUNTINGTON INGALLS INDUSTRIES, INC.hii-ex322201910xk.htm
EX-32.1 - EX-32.1 - HUNTINGTON INGALLS INDUSTRIES, INC.hii-ex321201910xk.htm
EX-31.2 - EX-31.2 - HUNTINGTON INGALLS INDUSTRIES, INC.hii-ex312201910xk.htm
EX-31.1 - EX-31.1 - HUNTINGTON INGALLS INDUSTRIES, INC.hii-ex311201910xk.htm
EX-23.1 - EX-23.1 - HUNTINGTON INGALLS INDUSTRIES, INC.hii-ex231201910xk.htm
EX-4.6 - EX-4.6 - HUNTINGTON INGALLS INDUSTRIES, INC.hii-ex46201910xk.htm
10-K - 10-K - HUNTINGTON INGALLS INDUSTRIES, INC.hii-20191231.htm


Exhibit 21.1

SUBSIDIARIES OF HUNTINGTON INGALLS INDUSTRIES, INC.
Name of SubsidiaryJurisdiction of OrganizationOwnership Percentage
AC Technologies, Inc.Delaware100%  
Avondale Engineering & Construction CompanyDelaware100%  
CyberCENTS Solutions LLCDelaware100%  
Fleet Services Holding Corp.Delaware100%  
Fulcrum IT Services, LLCVirginia100%  
G2, Inc.Maryland100%  
Hanford Integrated Infrastructure Services Contractor, LLCDelaware100%  
HII Energy Inc.Virginia100%  
HII Fleet Support Group LLCDelaware100%  
HII Mechanical Inc.Virginia100%  
HII Mission Driven Innovative Government Solutions Inc.Delaware100%  
HII Mission Driven Innovative Solutions Inc.Delaware100%  
HII Mission Driven Innovative Solutions Holding CompanyDelaware100%  
HII Mission Driven Innovative Technical Services LLCAlabama100%  
HII Nuclear Inc.Delaware100%  
HII San Diego Shipyard Inc.California100%  
HII Services CorporationDelaware100%  
HII Systems Innovations Inc.Texas100%  
HII Technical Solutions CorporationDelaware100%  
HII Technical Solutions LimitedUnited Kingdom100%  
HII Unmanned Maritime Systems Inc.Delaware100%  
HII (US) International Holding CompanyDelaware100%  
HII (UK) International Holding Company Ltd.United Kingdom100%  
Huntington Ingalls Engineering Services, Inc.Delaware100%  
Huntington Ingalls IncorporatedVirginia100%  
Huntington Ingalls Industries Australia PTY Ltd.Australia100%  
Huntington Ingalls Industries Energy and Environmental
Services, Inc.
Delaware100%  
Huntington Ingalls Industries International Shipbuilding, Inc.Nevada100%  
Huntington Ingalls Industries Risk Management LLCVermont100%  
Huntington Ingalls Unmanned Maritime Systems, Inc.Delaware100%  
Ingalls Shipbuilding, Inc.Delaware100%  
Integrated Information Technology CorporationIllinois100%  
Nationwide Remediation Partners, LLCDelaware100%  
Newport News Nuclear BWXT-Los Alamos, LLCDelaware51%  
Newport News Nuclear, Inc.Virginia100%  
Newport News Reactor Services, Inc.Virginia100%  
Newport News Shipbuilding and Dry Dock CompanyDelaware100%  
Novonics CorporationCalifornia100%  
NSI (AUST) PTY LTDAustralia50%  
Pegasus International, Inc.Texas100%  
Pegasus International Services, Inc.Nevada100%  
Pegasus International (UK), LTDUnited Kingdom100%  
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TITAN II Inc.Delaware100%  
The PTR Group, LLCVirginia100%  
Trusted Security Alliance, LLCMaryland75%  
Universal Cayman, Inc.Cayman Islands100%  
Universal Ensco, Inc.Texas100%  
UniversalPegasus International Holdings, Inc.Delaware100%  
UniversalPegasus International, Inc.Delaware100%  
UniversalPegasus International Trinidad and Tobago LimitedTrinidad and Tobago86.5%  
UniversalPegasus International Canada, Inc.Canada - Alberta100%  
UP International, Inc.Delaware100%  
UPI Projects Canada Ltd.Canada - Alberta100%  
UPI (EG), LLCTexas100%  
UP Support Services, Inc.Delaware100%  
UP Verification Trinidad and Tobago LimitedTrinidad and Tobago100%  
Veritas Analytics, Inc.Virginia100%  

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