TEKFEN HOLDING revenue for the last year amounted to 37.14 B TRY, the most of which — 17.87 B TRY — came from its highest performing source at the moment, Chemistry, the year earlier bringing 7.20 B TRY. The greatest contribution to the revenue figure was made by Turkey — last year it brought TEKFEN HOLDING 20.16 B TRY, and the year before that — 9.13 B TRY.