MERSIN GULNAR SOLAR ENERGY PROJECTTURKCELL, GSM TOWERS, CONSTRUCTION, ERECTION AND INSTALLATIONPTT HEADQUARTERS, KONYA, UNDERGROUND NETWORKS OF OZALKENT, MERAM AND YENIMAHALLEPTT, NATO DEPARTMENT, UNDERGROUND NETWORKS OF ANKARA - ESKISEHIR TAFFICS PROJECTTCDD, TURKISH STATE RAILWAYS, POLATLI UNDERGROUND NETWORKS AND SIGNAL PROCESSINGPTT, NATO DEPARTMENT, NETWORK OF NATO’S FIBEROPTIC CABLES BETWEEN TEKIRDAG–MALKARAPTT HEADQUARTERS, ADANA, UNDERGROUND NETWORKS AND CABLE CONSTRUCTIONS FOR YESILEVLERPTT HEADQUARTERS, ADANA, UNDERGROUND NETWORKS AND CABLE CONSTRUCTIONS FOR ERZIN AND PAYASPTT HEADQUARTERS, ADANA, UNDERGROUND NETWORKS AND CABLE CONSTRUCTIONS FOR MERSIN CITY, INCLUDING ATAS AND POZCU ALIGNMENTSPTT HEADQUARTERS, ADANA, UNDERGROUND NETWORKS FOR ADANA – INCIRLIK AND INCIRLIK AIRPORTTRT, GENERAL DIRECTORATE OF STATE RADIO AND TELEVISION, CONSTRUCTION OF VAN BASKALE – BAGISLI GUZELSU LINK TRANSMISSION BUILDINGS