On the Record · Huntington Ingalls Industries
Huntington Ingalls Industries subsidiaries, as it lists them
The subsidiaries Huntington Ingalls Industries lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Avondale Engineering & Construction Company | Delaware |
| CEMC Enterprise, LLC | Delaware |
| Enlighten, LLC | Maryland |
| Fleet Services Holding Corp. | Delaware |
| Gray Research, Inc. | Alabama |
| HII (AUS) Holding Company Pty Ltd | Australia |
| HII (UK) International Holding Company Ltd. | United Kingdom |
| HII (US) International Holding Company | Delaware |
| HII Energy Inc. | Virginia |
| HII Mission Technologies Corp. | Delaware |
| HII Nuclear Australia Pty Ltd | Australia |
| HII Nuclear Canada, Inc. | Canada |
| HII Nuclear Inc. | Delaware |
| HII Nuclear UK Limited | United Kingdom |
| HII Overseas Services Corporation | Delaware |
| HII San Diego Shipyard Inc. | California |
| HII Services Corporation | Delaware |
| HII ShipCycle, LLC | Delaware |
| HII Technical Solutions Corporation | Delaware |
| HII TSD Holding Company | Delaware |
| HII Unmanned Systems, Inc. | Delaware |
| Huntington Ingalls Engineering Services, Inc. | Delaware |
| Huntington Ingalls Incorporated | Virginia |
| Huntington Ingalls Industries Australia Pty Ltd. | Australia |
| Huntington Ingalls Industries Energy and Environmental Services, Inc. | Delaware |
| Huntington Ingalls Industries International Shipbuilding, Inc. | Nevada |
| Huntington Ingalls Industries Risk Management LLC | Vermont |
| Huntington Ingalls Unmanned Maritime Systems, Inc. | Delaware |
| Ingalls Shipbuilding, Inc. | Delaware |
| Integrated Mission Excellence, LLC | Delaware |
| Newport News Nuclear, Inc. | Virginia |
| Newport News Reactor Services, Inc. | Virginia |
| Newport News Shipbuilding and Dry Dock Company | Delaware |
| Titan II Inc. | Delaware |
| Veritas Analytics, Inc. | Virginia |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Huntington Ingalls Industries’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-05. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.