INDEKS BILGISAYAR revenue for the last year amounted to 66.66 B TRY, the most of which — 66.63 B TRY — came from its highest performing source at the moment, Information Technologies and Telecom, the year earlier bringing 49.20 B TRY. The greatest contribution to the revenue figure was made by Turkey — last year it brought INDEKS BILGISAYAR 66.66 B TRY, and the year before that — 49.23 B TRY.