Koc Holdings A.S. revenue for the last year amounted to 37.87 B USD, the most of which — 44.15 B USD — came from its highest performing source at the moment, Energy, the year earlier bringing 43.01 B USD. The greatest contribution to the revenue figure was made by Turkey — last year it brought Koc Holdings A.S. 36.75 B USD, and the year before that — 32.52 B USD.