Exhibit 21.1
Expected Subsidiaries of SpinCo Immediately Following the Separation
The following entities are expected to be subsidiaries of SpinCo upon completion of the separation described in the information statement:
Name | State or Country of Incorporation or Organization | |
| Advanced Range Enterprise Solutions LLC | Delaware | |
| Aeroptic, LLC | Massachusetts | |
| Alkali Metal Processing Limited | United Kingdom | |
| Alliance for Space Communications to Enable New Discovery, LLC | Florida | |
| Amazon Finance LLC | Delaware | |
| ASCEND Aerospace and Technology LLC | Florida | |
| Automotive Testing Operations, LLC | Delaware | |
| Blue Canopy Group, LLC | Virginia | |
| Buffalo Group LLC | Delaware | |
| Canadian National Energy Alliance Ltd. | Canada | |
| Canadian Nuclear Laboratories Ltd. | California | |
| Carondelet Energy Readiness LLC | Delaware | |
| Cavendish Dounreay Partnership Limited | United Kingdom | |
| CH2M Hill BWXT West Valley, L.L.C | Delaware | |
| CH2M HILL GmbH | Germany | |
| CH2M Hill IDC SARL | France | |
| CH2M HILL International Nuclear Services Ltd | United Kingdom | |
| CH2M Hill New York Inc. | New York | |
| CH2M HILL Plateau Remediation Company | Washington | |
| CH2M-WG Idaho, LLC | Idaho | |
| Critical Mission Services sp. z.o.o (Poland NewCo) | Poland | |
| Cumbria Nuclear Solutions Limited | United Kingdom | |
| Energy, Safety & Risk Consultants (UK) Limited | United Kingdom | |
| Energy, Security and Technology Canada Ltd. | Canada | |
| Energy, Security and Technology LLC (dba ES&T North America) | Delaware | |
| Energy, Security and Technology UK Limited | United Kingdom | |
| Fast Reactor Technology Limited | United Kingdom | |
| Federal Network Systems LLC | Delaware | |
| Four Rivers Nuclear Partnership, LLC | Delaware | |
| Idaho Environmental Coalition LLC | Delaware | |
| Jacobs Aerospace Test Operations LLC | Delaware | |
| Jacobs Asia K.K. | Japan | |
| Jacobs Australia Pty Limited | Australia | |
| Jacobs Clean Energy France SAS | France | |
| Jacobs Clean Energy International Limited | United Kingdom | |
| Jacobs Clean Energy Limited | United Kingdom | |
| Jacobs Clean Energy s.r.o | Czech Republic | |
| Jacobs Clean Energy SA (PTY) Ltd | South Africa | |
| Jacobs E&C Limited | United Kingdom | |
| Jacobs Field Services Limited | United Kingdom | |
| Jacobs Multiconsult Decommissioning ANS | Norway | |
| Jacobs Nucleaire | France | |
| Jacobs Slovakia s.r.o. | Slovakia | |
| Jacobs Stobbarts Limited | United Kingdom | |
| Jacobs Technology Inc. | Tennessee | |
| Jacobs Telecommunications Inc. | New Jersey | |
| Mission Conversion Services Alliance, LLC | Delaware | |
| Mission Support and Test Services, LLC | Delaware | |
| Momentum SNC | France | |
| National Nuclear Corporation Limited | United Kingdom | |
| National Security Technologies, LLC | Delaware | |
| OneAim | Unincorporated joint venture | |
| Pantex Mission Alliance LLC | Delaware | |
| PUMMA | Unincorporated joint venture | |
| PWR Power Projects Limited | United Kingdom | |
| Quality Systems Engineering Consortium, LLC | California | |
| SafeG | Unincorporated joint venture | |
| Savannah River Completion Alliance, LLC | Delaware | |
| Savannah River Remediation LLC | Delaware | |
| Sotera Defense Solutions, Inc. | Delaware | |
| The KeyW Corporation | Maryland | |
| The KeyW Holding Corporation | Maryland | |
| Triple20 LLC | Maryland | |
| UCOR LLC (fka URS-CH2M Oak Ridge, LLC) | Tennessee | |
| United Cleanup Oak Ridge LLC | Delaware | |
| Washington Closure Hanford LLC | Delaware | |
| West Valley Cleanup Alliance LLC | Delaware | |
Expected Subsidiaries of Combined Co Immediately Following the Merger
Entity Name | State or Country of Incorporation or | |
| AC First, LLC | Delaware | |
| Advanced Range Enterprise Solutions LLC | Delaware | |
| Advanced Range Enterprise Solutions LLC | Delaware | |
| Aeroptic, LLC | Massachusetts | |
| Afghan Holdco LLC | Delaware | |
| Africa Expeditionary Services LLC | Delaware | |
| AGS Sudan Limited | South Sudan | |
| Airport & MRO Facilities Nigeria Limited | Nigeria | |
| Alkali Metal Processing Limited | United Kingdom | |
| Alliance for Space Communications to Enable New Discovery, LLC | Florida | |
| Amazon Finance LLC | Delaware | |
| Amentum (UK) Ltd. | United Kingdom | |
| Amentum Business Support Services Inc. | Philippines | |
| Amentum Commercial Operations, Inc. | Delaware | |
| Amentum Environment & Energy, Inc. | Ohio | |
| Amentum Facility Management UK Ltd. | United Kingdom | |
| Amentum Global Services - Australia Pty Ltd | Australia | |
| Amentum Government Services Holdings LLC | Delaware | |
| Amentum Government Services Holdings Sub LLC | Delaware | |
| Amentum Government Services Parent Holdings LLC | Delaware | |
| Amentum Government Services, Inc. | Delaware | |
| Amentum Holdings LLC | Delaware | |
| Amentum International Holdings UK Ltd. | United Kingdom | |
| Amentum N&E Holdings LLC | Delaware | |
| Amentum N&E UK Holdings Limited | United Kingdom | |
| Amentum National Security Programs, Inc. | Virginia | |
| Amentum Nuclear & Environment Holdings, Inc. | Delaware | |
| Amentum Operaciones Comerciales | Mexico | |
| Amentum Operaciones Comerciales CR | Costa Rica | |
| Amentum Services Canada, Inc. | Canada | |
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| Amentum Services Colombia S.A.S. | Colombia | |
| Amentum Services SDN. BHD. | Malaysia | |
| Amentum Services, Inc. | Delaware | |
| Amentum Singapore Pte. Ltd. | Singapore | |
| Amentum Spaceport LLC | Delaware | |
| Amentum Special Mission Services, Inc. | Pennsylvania | |
| Amentum SPV LLC | Delaware | |
| Amentum Technical Services LLC | Delaware | |
| ASCEND Aerospace and Technology LLC | Florida | |
| Augility Pty Limited | Australia | |
| Augility Services Pty Limited | Australia | |
| Automotive Testing Operations, LLC | Delaware | |
| Avicom do Brasil Manutencao de Aeronaves Ltda | Brazil | |
| Blue Canopy Group, LLC | Virginia | |
| Bravour Leistungen GmbH | Germany | |
| Buffalo Group LLC | Delaware | |
| Canadian National Energy Alliance Ltd. | Canada | |
| Canadian Nuclear Laboratories Ltd. | California | |
| Carondelet Energy Readiness LLC | Delaware | |
| Casals & Associates, Inc. | Virginia | |
| Cavendish Dounreay Partnership Limited | United Kingdom | |
| Centra Services Corporation | Massachusetts | |
| Centra Technology, Inc. | Maryland | |
| CH2M Hill BWXT West Valley, L.L.C | Delaware | |
| CH2M HILL GmbH | Germany | |
| CH2M Hill IDC SARL | France | |
| CH2M HILL International Nuclear Services Ltd | United Kingdom | |
| CH2M Hill New York Inc. | New York | |
| CH2M HILL Plateau Remediation Company | Washington | |
| CH2M-WG Idaho, LLC | Idaho | |
| CH2M-WG Idaho, LLC | Idaho | |
| Courage Services, Inc. | Virginia | |
| Critical Mission Services sp. z.o.o (Poland NewCo) | Poland | |
| Culpeper National Security Solutions LLC | Delaware | |
| Cumbria Nuclear Solutions Limited | United Kingdom | |
| Defense Support Services International 3 LLC | Delaware | |
| Defense Support Services International, LLC | Delaware | |
| Delta Bridge, Inc. | Virginia | |
| DTS Aviation Services LLC | Nevada | |
| DynCorp Aerospace Operations LLC | Delaware | |
| DynCorp International Business Services Private Limited | India | |
| DynCorp International LLC | Delaware | |
| DynCorp International Services GmbH | Germany | |
| DynCorp International Services LLC | Virginia | |
| DynCorp LLC | Delaware | |
| DZSP 21 LLC | Delaware | |
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| EG&G Defense Materials, Inc. | Utah | |
| Energy, Safety & Risk Consultants (UK) Limited | United Kingdom | |
| Energy, Security and Technology Canada Ltd. | Canada | |
| Energy, Security and Technology LLC (dba ES&T North America) | Delaware | |
| Energy, Security and Technology UK Limited | United Kingdom | |
| Equitas International LLC | Delaware | |
| Fast Reactor Technology Limited | United Kingdom | |
| Federal Network Systems LLC | Delaware | |
| Four Rivers Nuclear Partnership, LLC | Delaware | |
| Future Investment Group LLC | Egypt | |
| GL Systems LLC | Delaware | |
| Global Linguist Solutions LLC | Delaware | |
| Global Linguist Solutions Turkey Tercüme Hizmetleri Limited Şirketi | Turkey | |
| Global Management Services GmbH | Germany | |
| Global Sourcing Solutions | Cayman Islands | |
| Greenline Systems Canada Ulc | Canada | |
| Idaho Environmental Coalition LLC | Delaware | |
| Jacobs Aerospace Test Operations LLC | Delaware | |
| Jacobs Asia K.K. | Japan | |
| Jacobs Australia Pty Limited | Australia | |
| Jacobs Clean Energy France SAS | France | |
| Jacobs Clean Energy International Limited | United Kingdom | |
| Jacobs Clean Energy Limited | United Kingdom | |
| Jacobs Clean Energy s.r.o | Czech Republic | |
| Jacobs Clean Energy SA (PTY) Ltd | South Africa | |
| Jacobs E&C Limited | United Kingdom | |
| Jacobs Field Services Limited | United Kingdom | |
| Jacobs Multiconsult Decommissioning ANS | Norway | |
| Jacobs Nucleaire | France | |
| Jacobs Slovakia s.r.o. | Slovakia | |
| Jacobs Stobbarts Limited | United Kingdom | |
| Jacobs Technology Inc. | Tennessee | |
| Jacobs Telecommunications Inc. | New Jersey | |
| JT4, LLC | Delaware | |
| Lear Siegler Logistics International, Inc. | Delaware | |
| Macfadden & Associates, Inc. | Virginia | |
| Macfadden International Suarl | Tunisia | |
| McNeil Security, Inc. | Virginia | |
| Mission Conversion Services Alliance, LLC | Delaware | |
| Mission Support and Test Services, LLC | Delaware | |
| Momentum SNC | France | |
| MS Federal Services, Inc. | Nevada | |
| MSFS Holdings US, Inc. | Nevada | |
| MT Holding Corp. | Delaware | |
| National Nuclear Corporation Limited | United Kingdom | |
| National Security Technologies, LLC | Delaware | |
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| OneAim | Unincorporated joint venture | |
| Pacific Architects and Engineers, LLC | Delaware | |
| Pacific Operations Maintenance Company | California | |
| PAE (Australia) Pty. Limited | Australia | |
| PAE Applied Technologies International LLC | Delaware | |
| PAE Applied Technologies LLC | Delaware | |
| PAE Canada, Inc. | California | |
| PAE Colombia Ltda. | Colombia | |
| PAE Design and Facility Management | California | |
| PAE Foundation | Bosnia and Herzegovina | |
| PAE Global Support LLC | Delaware | |
| PAE Government Services Colombia S.A.S. | Colombia | |
| PAE Government Services Mexico, S. De R.L. De C.V. | Mexico | |
| PAE Government Services, Inc. | California | |
| PAE Humanitarian Response LLC | Delaware | |
| PAE India Support Center LLP | India | |
| PAE International | California | |
| PAE Justice Support | Virginia | |
| PAE LLC | Delaware | |
| PAE Logistics LLC | California | |
| PAE Services Canada Inc. | Canada | |
| PAE Shared Services LLC | Delaware | |
| PAE Shield Acquisition Company LLC | Delaware | |
| PAE Training Services, LLC | Delaware | |
| PAE Worldwide Incorporated | Delaware | |
| PAE-Perini LLC | Delaware | |
| Pantex Mission Alliance LLC | Delaware | |
| Phoenix Consulting Group, LLC | Alabama | |
| PUMMA | Unincorporated joint venture | |
| PWR Power Projects Limited | United Kingdom | |
| Quality Systems Engineering Consortium, LLC | California | |
| SafeG | Unincorporated joint venture | |
| Savannah River Completion Alliance, LLC | Delaware | |
| Savannah River Remediation LLC | Delaware | |
| Service Systems (Singapore) Pte. Ltd. | Singapore | |
| Services International LLC | Delaware | |
| Sotera Defense Solutions, Inc. | Delaware | |
| TATE, Incorporated | Maryland | |
| The KeyW Corporation | Maryland | |
| The KeyW Holding Corporation | Maryland | |
| Triple20 LLC | Maryland | |
| UCOR LLC (fka URS-CH2M Oak Ridge, LLC) | Tennessee | |
| United Cleanup Oak Ridge LLC | Delaware | |
| URS Federal Project Services, LLC | Maryland | |
| URS Federal Services International, Inc. | Delaware | |
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USA Repository Services LLC | Delaware | |
Washington Closure Hanford LLC | Delaware | |
Washington Demilitarization Company, LLC | Delaware | |
Washington Government Environmental Services Company LLC | Delaware | |
Washington Savannah River Company LLC | Delaware | |
West Valley Cleanup Alliance LLC | Delaware | |
West Valley Nuclear Services Company LLC | Delaware | |
WGI Global Inc. | Nevada | |
Worldwide For General Services, Construction And Engineering Services And Subsistence Services LLC | Iraq | |
Worldwide Management and Consulting Services LLC | Delaware | |
Worldwide Recruiting and Staffing Services LLC | Delaware | |
WSMS-MK LLC | Tennessee | |
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