| 3/25/2018 | 400821900000 | INSULATION MEMBRANE
| 16841.5 | Meter Square | 54540.54 | N/A | BAKA YAPI MALZEMELERI INS.SAN.VE TICA.S. |
| 3/7/2018 | 400811000000 | DAMTEC RUBBER (UNDER HANDLE SOUND INSULATION MATERIAL)
| 10248 | Meter Square | 18537.06 | N/A | BAF CONTROL AKUSTIK GÜRÜLTÜ DENETIMI LIMITED SIRKETI |
| 3/25/2018 | 400821900000 | INSULATION MATERIAL
| 450 | Meter Square | 13520.26 | N/A | HIMERPA HAVALANDIRMAIZOLASYON MALZ.PAZ.VE TIC.A.S. |
| 3/29/2018 | 400811000000 | AIR DUCT INSULATION MATERIAL (YTB RANK NO: 54) (VAT ROW NO: 284)
| 5.25 | Meter Square | 1185.57 | N/A | BILGIN YATÇILIK VE TURIZM ISLT.TIC.LTD.STI. |
| 3/11/2018 | 400821900000 | ROOF INSULATION COATING 30 ROLLS
| 30 | Units | 23421.46 | N/A | NEPA TEKNOLOJI INSAAT DIS TICARET LIMITED SIRKETI |
| 3/12/2018 | 400811000000 | ARMAFLEX ENDLESS SHEET (IT WILL BE USED IN THE INSULATION INDUSTRY)
| 100 | Meter Square | 1403.14 | N/A | ARMACELL YALITIM ANONIM SIRKETI |
| 3/15/2024 | 400811000000 | INSULATION MATERIAL- | 400 | UNIT | 1654 | N/A | DAIKIN ISITMA VE SOĞUTMA SİSTEMLERİ SANAYİ TİCARET ANONİM ŞİRKETİ |
| 3/12/2024 | 400819000000 | RUBBER INSULATION MATERIAL | 1 | UNIT | 22 | N/A | TAM TİNY HOUSE İNŞAAT SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/29/2024 | 400821900000 | INSULATION SPA | 4 | UNIT | 310 | N/A | KARSAN OTOMOTİV SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/13/2024 | 400819000000 | RUBBER DOOR WINDOW -INSULATION TAPE | 135168 | UNIT | 28952 | N/A | CEREM ELEKTRONİK SANAYİ VE TİCARET ANONİM ŞİRKETİ |