ADES HOLDING CO. revenue for the last year amounted to 6.20 B SAR, the most of which — 5.92 B SAR — came from its highest performing source at the moment, Units Operations, the year earlier bringing 4.12 B SAR. The greatest contribution to the revenue figure was made by Saudi Arabia — last year it brought ADES HOLDING CO. 4.14 B SAR, and the year before that — 2.86 B SAR.