| 3/25/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 5320 | Meter Square | 8281.1 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/20/2018 | 392329900019 | INSULATION MATERIAL
| 1200 | Meter Square | 1235.71 | N/A | ÖZERDEN PLASTIK SAN.VE TICARET A.S. |
| 3/5/2018 | 400911000000 | RUBBER INSULATION PIPE
| 13208 | Meter | 1932.01 | N/A | PAFLEX PAZARLAMA IÇ VE DIS TICARET LIMITED SIRKETI |
| 3/12/2018 | 700800890000 | MULTI-STOREY HEAT AND SOUND INSULATION GLASS-LAMINATED
| 278.94 | Meter Square | 17622.25 | N/A | STARGRUP CAM ANONIMSIRKETI |
| 3/26/2018 | 400811000000 | RUBBER INSULATION MATERIAL
| 27158 | Meter | 5238.21 | N/A | ENTAS ENDÜSTRIYEL ÜRÜNLER TICARET VE TAAHHÜT ANONIM SIRKETI |
| 3/15/2018 | 760421000000 | BOS PROFILES WITH ALUMINUM ALLOYS (WITHOUT PAINT, THERMAL INSULATION)
| 1664 | Kilogram | 5837.61 | N/A | OKYANUS ALÜMINYUM SANAYI TICARET A.S |