| 3/21/2018 | 851762009000 | "LV NETWORK CARD, SOUND PROCESSING MODULE, ETHERNET SWITCH, CENTRAL CONTROLLER CARD, CENTRAL UNIT CONTROL CARD, SYSTEM CONTROL CARD, AG SERVICE PROCESSING OPTICAL CONTROL CARD, AG MODULE, MAIN PROCESSOR AND INTERFACE DATA TRANSMISSION INTERFACE"
| 45 | Units | 18329.11 | N/A | HUAWEI TELEKOMÜNIKASYON DIS TIC LTDSTI |
| 3/1/2018 | 851762009000 | "AG NETWORK CARD, OPTIC INTERFACE CARD, MULTI-PORT OPTICAL AG PLATFORM, AR OPTIC MODULE, SYSTEM CONTROL, CONNECTION AND OPERATION UNIT, ROUTER, SWITCH, BASE STATION TRANSFER AND PROCESSING UNIT (WITH TEFERLIKUAL)"
| 63 | Units | 27230.55 | N/A | HUAWEI TELEKOMÜNIKASYON DIS TIC LTDSTI |
| 3/8/2018 | 851762009000 | INTERNAL COMMUNICATION SYSTEMS AND ACCESSORIES (WITH DEMOUNTED PAYMENTS) ** VAT EXEMPTION CERTIFICATE ROW NO: 102
| 1 | Set | 21023.44 | N/A | TERSAN TERSANECILIK SANAYI VE TICARET ANONIM SIRKETI |
| 3/26/2018 | 851762009000 | INTERNAL COMMUNICATION SYSTEMS
| 2 | Units | 3591.4 | N/A | SCHOTTEL TURKEY MAKINA SANAYI VE TICARET LIMITED SIRKETI |
| 3/26/2018 | 851762009000 | INTERNAL COMMUNICATION SYSTEMS
| 1 | Units | 1048.72 | N/A | SCHOTTEL TURKEY MAKINA SANAYI VE TICARET LIMITED SIRKETI |
| 3/26/2018 | 851762009000 | INTERNAL COMMUNICATION SYSTEMS
| 3 | Units | 3379.89 | N/A | SCHOTTEL TURKEY MAKINA SANAYI VE TICARET LIMITED SIRKETI |
| 3/19/2018 | 851762009000 | SYSTEM CONTROL INTERFACE
| 20 | Units | 2271.88 | N/A | MITSUBISHI ELECTRIC TURKEY ELEKTRIK ÜRÜNLERI ANONIM SIRKETI |
| 3/22/2018 | 851762009000 | INTERNET AND PHONE COMMUNICATION SYSTEM-AS A SET-
| 2 | Units | 10205.64 | N/A | ÖZSAY UYDU ILETISIM ANONIM SIRKETI |
| 3/15/2024 | 851762009000 | CONNECTION INTERFACE WITH VEHICLE SYSTEM/ | 2 | UNIT | 3760 | N/A | TEMSA SKODA SABANCI ULAŞIM ARAÇLARI ANONİM ŞİRKETİ |
| 3/12/2024 | 851762009000 | LINE CONNECTION ELECTRONIC CARD FOR USE IN CLOSED CIRCUIT TALKING SYSTEM (INTERCOM SYSTEM), ENABLES CONNECTION BETWEEN USERS, COMPLETE WITH ITS ACCESSORIES | 20 | UNIT | 133365 | N/A | AVİTENG TEKNOLOJİ SANAYİ VE TİCARET LİMİTED ŞİRKETİ |