| 3/4/2018 | 853090000000 | PARTS AND PARTS FOR USE IN RAILWAY SIGNALIZATION SYSTEM
| 11 | Set | 45183.08 | N/A | ANSALDO STS S.P.A. TÜRKIYE SUBESI |
| 3/29/2018 | 853090000000 | COMPONENTS AND PARTS OF ELECTRIC CONTROL DEVICES FOR RAILWAYS
| 200 | Units | 1128.32 | N/A | SIEMENS RAIL AUTOMATION S.A.TÜRKIYE ISTANBUL SUBESI |
| 3/6/2018 | 853090000000 | COMPONENTS AND PARTS OF ELECTRIC CONTROL DEVICES FOR RAILWAYS
| 4 | Units | 1147.01 | N/A | SIEMENS RAIL AUTOMATION S.A.TÜRKIYE ISTANBUL SUBESI |
| 3/6/2018 | 853090000000 | COMPONENTS AND PARTS OF ELECTRIC CONTROL DEVICES FOR RAILWAYS
| 6 | Units | 1066.76 | N/A | SIEMENS RAIL AUTOMATION S.A.TÜRKIYE ISTANBUL SUBESI |
| 3/6/2018 | 853090000000 | COMPONENTS AND PARTS OF ELECTRIC CONTROL DEVICES FOR RAILWAYS
| 20 | Units | 4418.12 | N/A | SIEMENS RAIL AUTOMATION S.A.TÜRKIYE ISTANBUL SUBESI |
| 3/19/2018 | 853090000000 | PARTS AND PARTS FOR USE IN RAILWAYS INDICATION SYSTEM
| 12 | Units | 16428.58 | N/A | ANSALDO STS S.P.A. TÜRKIYE SUBESI |
| 3/1/2024 | 853090000000 | SIGNALING SYSTEM FOR DUDULLU BOSTANCI METRO LINE PROJECT (METRO RAILWAY LINE SIGNALING SYSTEM + EQUIPMENT PARTS) IS FREE | 1 | UNIT | 62 | N/A | ŞENBAY-KOLİN-KALYON DUDULLU-BOSTANCI METRO YAPIM ORTAKLIĞI |
| 3/25/2024 | 853090000000 | COMPLETE PARTS FOR WHEEL SENSORS FOR USE ON RAILWAYS (WITH COMPLETE ACCESSORIES) | 6 | UNIT | 10032 | N/A | TÜBİTAK RAYLI ULAŞIM TEKNOLOJİLERİ ENSTİTÜ |
| 3/25/2024 | 853090000000 | COMPLETE PARTS FOR WHEEL SENSORS FOR USE ON RAILWAYS (WITH COMPLETE ACCESSORIES) | 3 | UNIT | 4230 | N/A | TÜBİTAK RAYLI ULAŞIM TEKNOLOJİLERİ ENSTİTÜ |