International Who We Serve » International The sun never sets on Amentum. We have more than 34,000 people working around the globe. International Client List Governments & Commercial Entities AustraliaAustralian Defence ForceAustralian Department of Defence – Capability Acquisition and Sustainment GroupAustralian Commonwealth Science and Industrial Research OrganisationAustralian Nuclear Science and Technology OrganisationAustralian Department of Industry, Innovation and Science CanadaCanadian Armed ForcesCanadian Nuclear Laboratories LtdDepartment of National DefenceJapanTokyo Electric Power Company OmanRoyal Air Force of OmanUnited KingdomBritish Antarctic SurveyUK Environment AgencyUK Nuclear Decommissioning AuthorityUK Ministry of Defence’s Atomic Weapons Establishment International Organizations NATONATO – International Security Assistance Force Afghanistan Highlighted Locations Note: Not all countries are represented in the above map.