| 3/4/2018 | 720827009000 | "HOT ROLLED STEEL SHEET IN COIL, PICKLED AND OILED"
| 104730 | Kilogram | 77922.72 | N/A | POSCO TNPC OTOMOTIVÇELIK SANAYI VE TICARET A.S. |
| 3/15/2018 | 847990709019 | OIL CORE OIL REMOVAL MACHINE PARTS - 625 (MM) STEEL LAMA (WITH CLAWS)
| 170 | Units | 1053.06 | N/A | VARDARCI ITHALAT VE IHRACAT LIMITED SIRKETI |
| 3/25/2018 | 730411000000 | STAINLESS STEEL PIPE (FOR OIL PIPELINE)
| 678 | Units | 15501.29 | N/A | AYHANLAR ELEKTRIK ELEKTRONIK OTOMASYON TEDARIK INSAAT SANAYI TICARET LIMITED SIRKETI |
| 3/29/2024 | 848410000019 | LOWER OIL CAMP GASKET,ENGINE CYLINDER HEAD GASKET,STEEL LAYER CYLINDER HEAD GASKET+ | 191 | UNIT | 2489 | N/A | ALTAY TAŞIT VE OTOMOTİV YEDEK PARÇA SANAYİ TİCARET ANONİM ŞİRKETİ |
| 3/18/2024 | 732690980019 | IRON AND STEEL CONNECTION+I PART FOR MACHINES AND DEVICES USED IN OIL EXPLORATIONS AND DRILLING ACTIVITIES*H036044*21073468 | 1 | UNIT | 117 | N/A | DOWELL SCHLUMBERGERMIDDLE EAST ANKARA TÜRKİYE ŞB. |
| 3/5/2024 | 721049001011 | GALVANIZED COIL SHEET (GALVANIZED STEEL C/OILS) | 24980 | KILOGRAM | 14884 | N/A | HUN DEMİR ÇELİK SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/15/2024 | 847989979019 | SEAMLESS STEEL OIL DRILL CASE PIPE + LOWERING EQUIPMENT FIXING DEVICE MANUFACTURED FOR USE IN OIL EXPLORATION OPERATIONS | 40 | UNIT | 576444 | N/A | TÜRKİYE PETROLLERİ ANONİM ORTAKLIĞI |
| 3/15/2024 | 847989979019 | SEAMLESS STEEL OIL DRILLING CASING PIPE + LOWERING EQUIPMENT MANUFACTURED FOR USE IN OIL EXPLORATION OPERATIONS | 6 | UNIT | 97919 | N/A | TÜRKİYE PETROLLERİ ANONİM ORTAKLIĞI |
| 3/15/2024 | 847989979019 | SEAMLESS STEEL OIL DRILLING CASING PIPE + LOWERING EQUIPMENT MANUFACTURED FOR USE IN OIL EXPLORATION OPERATIONS | 40 | UNIT | 563455 | N/A | TÜRKİYE PETROLLERİ ANONİM ORTAKLIĞI |
| 3/15/2024 | 847989979019 | SEAMLESS STEEL OIL DRILL CASE PIPE + LOWERING EQUIPMENT FIXING DEVICE MANUFACTURED FOR USE IN OIL EXPLORATION OPERATIONS | 6 | UNIT | 86466 | N/A | TÜRKİYE PETROLLERİ ANONİM ORTAKLIĞI |