| 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. |
| 3/15/2024 | 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 |
| 3/21/2024 | 400811000000 | DAMTEC EXTRA 3D** // UNDER SCREED SOUND INSULATION/TIM MATERIAL/ DAMTEC STANDARD SPORTEC COLOR | 705 | SQUARE METERS | 4028 | N/A | BAFCONTROL AKUSTİK HİZMETLERİ ANONİM ŞİRKETİ |
| 3/8/2024 | 400811000000 | RUBBER INSULATION MATERIAL - (IN FORM OF LAYERS AND STRETCH) | 24000 | UNIT | 688 | N/A | MITSUBISHI ELECTRIC TURKEY KLİMA SİSTEMLERİ ÜRETİM ANONİM ŞİRKETİ |