| 3/28/2018 | 680690000019 | ISOLATION ACOUSTIC
| 2000 | Meter Square | 7416.02 | N/A | SÖNMEZ GLOBAL YAPI VE TICARET ANONIM SIRKETI |
| 3/1/2018 | 680690000019 | ACOUSTIC SPONGE INSULATION
| 202 | Meter Square | 1343.42 | N/A | ASA PAZARLAMA IÇ VE DIS TICARET LIMITED SIRKETI |
| 3/11/2018 | 680690000019 | ACOUSTIC SPONGE INSULATION
| 170 | Meter Square | 1152.88 | N/A | ASA PAZARLAMA IÇ VE DIS TICARET LIMITED SIRKETI |
| 1/8/2024 | 680710000000 | 15 MM ACOUSTIC SHEET-NFAF | 210 | SQUARE METERS | 0 | N/A | SESTEK CONSTRUCTION INDUSTRY AND TRADE LIMITED COMPANY |
| 3/28/2018 | 680610000000 | ISOLATION ACOUSTIC
| 340 | Meter Square | 2128.65 | N/A | SÖNMEZ GLOBAL YAPI VE TICARET ANONIM 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 |
| 1/17/2024 | 680919000000 | KNAUF 60-60 ACOUSTIC TILE VINYL COATED | 216 | SQUARE METERS | 0 | N/A | KÖPRÜLÜLER TİCARET CONSTRUCTION JOINT STOCK COMPANY |
| 1/10/2024 | 680990000000 | 600*600 8 MM ACOUSTIC 4 MM ROUND HOLE VINYL COATED | 417.6 | SQUARE METERS | 0 | N/A | SLS ENGINEERING AND MACHINERY INDUSTRY TRADE LIMITED COMPANY |
| 1/5/2024 | 680990000000 | 12.55 MM ACOUSTIC T15 4*4 SQUARE PERFORATED WITH SAGGING | 1 | UNIT | 0 | N/A | ŞEMS METAL SANAYİ TİCARET A.Ş. |
| 1/30/2024 | 680690000019 | NAF 6 MM (ACOUSTIC ISOLATION) | 210 | UNIT | 0 | N/A | ÇATI FOREIGN TRADE LIMITED COMPANY |