International

Amentum’s international business extends its expertise in engineering, technology, and mission support services to clients across the globe.

With operations in approximately 80 countries, we provide tailored solutions in areas such as infrastructure management, logistics, security, energy and environmental services. We work with governments, international organizations, and private entities to deliver high-quality, scalable solutions that address complex challenges.

Our global presence ensures responsive support for mission-critical operations, reinforcing our role as a trusted partner in advancing international stability, security and development initiatives worldwide.

Featured

Australia Uk
Note: Not all countries are represented in the above map.

International Client List

Governments & Commercial Entities

  • Australian Defence Force
  • Australian Department of Defence – Capability Acquisition and Sustainment Group
  • Australian Commonwealth Science and Industrial Research Organisation
  • Australian Nuclear Science and Technology Organisation
  • Australian Department of Industry, Innovation and Science
  • ONDRAF
  • Tractebel
  • Canadian Armed Forces
  • Canadian Nuclear Laboratories Ltd
  • Department of National Defence
  • ČEZ Group
  • SÚRAO
  • Commissariat à l’énergie atomique et aux énergies alternatives
  • EDF
  • Framatome
  • ITER Organization
  • Naarea
  • Stellaria
  • Thorizon
  • Tokyo Electric Power Company
  • Japan Atomic Energy Agency
  • Ignalina Nuclear Power Plant
  • Ministry of Economic Affairs and Climate Policy
  • Halden Kjernekraft
  • Norsk Nukleær Dekommisjonering
  • Royal Air Force of Oman
  • Polskie Elektrownie Jądrowe
  • Orlen Synthos Green Energy
  • JAVYS
  • Slovenské Elektrárne
  • Eskom
  • Atomic Weapons Establishment
  • Babcock International
  • BAE Systems
  • British Antarctic Survey
  • Defence Nuclear Organisation
  • Defence Nuclear Safety Regulator
  • EDF
  • Environment Agency
  • GE Hitachi Nuclear Energy
  • Hinkley Point C
  • Ministry of Defence
  • Newcleo
  • Nuclear Decommissioning Authority
  • Nuclear Waste Services
  • Nuclear Restoration Services
  • Office for Nuclear Regulation
  • Rolls-Royce SMR
  • Satellite Applications Catapult
  • Sellafield Ltd
  • Sizewell C
  • UK Atomic Energy Authority
  • Westinghouse

International Organizations

  • ITER Organization
  • NATO