| 3/7/2024 | 680690000019 | HEAT BOILER INSULATION-U | 1 | UNIT | 424 | N/A | VİESSMANN ISI TEKNİKLERİ TİCARET ANONİM ŞİRKETİ |
| 3/11/2018 | 680790000000 | ROOF INSULATION MATERIAL (TILERCAT PRIMA 6S4X21-7212 RUS)
| 2268 | Meter Square | 5498.19 | N/A | EKO ÇATI SISTEMLERI VE YAPI MÜHENDISLIK HIZMETLERI A.S. |
| 3/5/2018 | 680690000019 | FIRE RESISTANT INSULATION MATERIAL (THERMAL INSULATION MATERIAL) (IN LAYER)
| 324 | Units | 14587.17 | N/A | ÖZMAK GEMI MAK.SAN.TIC.LTD.STI. |
| 3/11/2024 | 680690000019 | INSULATION }MATERIAL | 600 | UNIT | 8576 | N/A | BSH EV ALETLERİ SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/26/2024 | 680690000019 | INSULATION MATERIAL THAT ENSURE THE CASTING PARTS ARE STRONG** IS NOT IN THE SCOPE OF 2024/14TEB,+ | 2610 | UNIT | 7730 | N/A | VESUVİUS İSTANBUL REFRAKTER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/5/2024 | 680710000000 | INSULATION MEMBRANE (COLPHENE BSW UNILAY H//P ) | 4000 | SQUARE METERS | 20803 | N/A | SOPREMA YALITIM SANAYİ VE TİCARET LİMİTED ŞİRKETİ |
| 3/27/2024 | 680690000019 | INSULATION MATERIAL TO ENSURE THE STEADY REMOVAL OF CASTING PARTS IS NOT IN THE SCOPE OF 2024/14TEB | 7524 | UNIT | 10930 | N/A | VESUVİUS İSTANBUL REFRAKTER SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/26/2024 | 680610000011 | INSULATION MATERIAL- | 1000 | KILOGRAM | 2323 | N/A | ADVA ENDÜSTRİYEL ÇÖZÜMLER SANAYİ TİCARET LİMİTED ŞİRKETİ |
| 3/13/2018 | 680610000000 | CERAMIC FIBER INSULATION MATERIAL 1860 ROLL
| 1860 | Units | 25068.82 | N/A | KATSIMTAS IZOLASYON METALURJI VE INSAAT SANAYI DIS TICARET LIMITED SIRKETI |
| 3/20/2018 | 680690000019 | ** INSULATION MATERIAL (I) 2018 / D1-06106 ** ROW NO: 107-COOLER
| 1260 | Units | 33438.78 | N/A | BSH EV ALETLERI SAN.VE TIC.A.S. |