| 3/1/2018 | 680690000019 | ACOUSTIC SPONGE INSULATION
| 202 | Meter Square | 1343.42 | N/A | ASA PAZARLAMA IÇ VE DIS TICARET LIMITED SIRKETI |
| 3/28/2018 | 680690000019 | INSULATION ACOUSTIC SHEET
| 1000 | Meter Square | 4036.38 | N/A | SÖNMEZ GLOBAL YAPI VE TICARET ANONIM SIRKETI |
| 3/11/2018 | 680690000019 | ACOUSTIC SPONGE INSULATION
| 170 | Meter Square | 1152.88 | N/A | ASA PAZARLAMA IÇ VE DIS TICARET LIMITED SIRKETI |
| 3/11/2018 | 680690000019 | STY ACOUSTIC INSULATION PLASTER MORTAR (900 BAGS)
| 900 | Units | 4284.32 | N/A | STYRONIT DOGAL YALITIM MALZEMELERI SANAYI VE TICARET ANONIM SIRKETI |
| 3/2/2018 | 701939000019 | ACOUSTIC INSULATION 6MM (GLASS WOOL)
| 570 | Meter Square | 1030.14 | N/A | SANTES MAK.TESISAT IMAL.SAN.VE TIC.LTD.STI. |
| 1/22/2024 | 400819000000 | KARSAC K. ADHESIVE 25 MM ACOUSTIC INSULATION | 230 | SQUARE METERS | 0 | N/A | KARSAC VENTILATION AND EQUIPMENT INDUSTRY TRADE JOINT STOCK COMPANY |