Leidos Holdings Inc. revenue for the last year amounted to 13.99 B EUR, the most of which — 7.91 B EUR — came from its highest performing source at the moment, Defense Solutions, the year earlier bringing 7.70 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought Leidos Holdings Inc. 12.70 B EUR, and the year before that — 12.24 B EUR.