Amentum Holdings, Inc. revenue for the last year amounted to 13.86 B USD, the most of which — 5.60 B USD — came from its highest performing source at the moment, Department of Defense and United States Intelligence Community. The greatest contribution to the revenue figure was made by United States — last year it brought Amentum Holdings, Inc. 6.05 B USD, and the year before that — 7.86 B USD.