| 3/20/2018 | 900110909900 | OPTICAL LIF FIBER
| 501600 | Meter | 18409.12 | N/A | TÜRK PRYSMIAN KABLOVE SISTEMLERI A.S. |
| 3/13/2018 | 900110909900 | "BARE FIBER OPTICAL DEVICE-MULTI MODE ((INVESTMENT TESVIK GLOBAL ROW NO: 6,13)"
| 2 | Units | 1392.46 | N/A | SAMM TEKNOLOJI ILETISIM SANAYI VE TICARET ANONIM SIRKETI |
| 3/27/2018 | 900110909900 | OPTICAL FIBER
| 12 | Units | 4309.78 | N/A | ABB ELEKTRIK SANAYI ANONIM SIRKETI |
| 3/21/2018 | 900110909900 | "OPTICAL FIBERS AND OPTICAL FIBERS; OPTIC FIBER CABLES OTHER OPTIC ELEMENTS - OPTIC FIBER, OPTIC IIF HARNESSES AND CABLES: - OTHER: - OTHERS: - OTHERS (21168KM)"
| 21168000 | Meter | 135454.96 | N/A | ETK KABLO SANAYI VETICARET A.S. |
| 3/22/2024 | 900110909900 | OPTICAL FIBER CABLES | 1 | UNIT | 81 | N/A | PEPPERL+FUCHS ELEKTRONİK SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/26/2024 | 900110909900 | OPTICAL FIBER CONNECTORS | 1 | UNIT | 157 | N/A | TETRA PAK PAKETLEME SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/26/2024 | 900110909900 | OPTICAL FIBER CABLES- | 2 | UNIT | 160 | N/A | TURCK OTOMASYON TİCARET LİMİTED ŞİRKETİ |
| 3/4/2024 | 900110909900 | OPTICAL FIBER CABLES | 2 | UNIT | 208 | N/A | PEPPERL+FUCHS ELEKTRONİK SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/12/2024 | 900110909900 | OPTICAL FIBER (LIGHT GU-IDE) | 2 | UNIT | 316 | N/A | KÖRBER TECHNOLOGİES TEKNİK HİZMETLER VE TİCARET LİMİTED ŞİRKETİ |
| 3/20/2024 | 900110909900 | OPTICAL FIBER} | 2 | UNIT | 141 | N/A | GD TEKNİK HİZMETLER SANAYİ VE TİCARET LİMİTED ŞİRKETİ |