| 3/26/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 10000 | Meter Square | 18812.8 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/9/2018 | 680710000000 | MEMBRANE (10 PALETTE)
| 10 | Units | 4909.48 | N/A | ODE YALITIM SANAYI VE TICARET ANONIMSIRKETI |
| 3/22/2018 | 680710000000 | LUNA MAXX C-3 MEMBRANE
| 4 | Units | 1596.88 | N/A | ODE YALITIM SANAYI VE TICARET ANONIMSIRKETI |
| 1/23/2024 | 680710000000 | MEMBRANE PLATINUM | 1500 | SQUARE METERS | 0 | N/A | AZİKLER CONSTRUCTION GIDANAKLİYAT SAN VEDIŞ TİC.LTD.ŞTİ. |
| 1/26/2024 | 680710000000 | POLYMER BITUMEN WATERPROOFING MATERIAL (MEMBRANE) | 96000 | SQUARE METERS | 0 | N/A | ODE INSULATION INDUSTRY AND TRADE JOINT STOCK COMPANY |
| 1/8/2024 | 680710000000 | MEMBRANE | 156 | SQUARE METERS | 0 | N/A | BAYKARA HAFRİYAT CONSTRUCTION TRADE LIMITED COMPANY |
| 1/19/2024 | 680710000000 | BITUMEN INSULATION COVER WITH POLYESTER FELT CARRIER (RAVAPROOF RAVASTICKY P 3MM BITUMEN MEMBRANE 1X10M ROLL - 1 PF) | 250 | SQUARE METERS | 0 | N/A | RBS RAVAGO CONSTRUCTION INSULATION PRODUCTS JOINT STOCK COMPANY |
| 1/12/2024 | 680710000000 | MEMBRANE INSULATION SYSTEM 4 PIECES | 4 | SQUARE METERS | 0 | N/A | ŞENYUVA ALUMINUM INDUSTRY AND TRADE JOINT STOCK COMPANY |
| 1/17/2024 | 680710000000 | 152.1.01.25*PENGUEN SP 40 SLATED MIX GRAY MEMBRANE | 5520 | SQUARE METERS | 0 | N/A | BALCIOĞLU GROUP STANDARD INSULATION AND BUILDING MATERIALLERI INDUSTRY TRADE JOINT STOCK COMPANY |
| 1/9/2024 | 680710000000 | PENGUEN SP AR40 SLATED GREEN MEMBRANE | 350 | SQUARE METERS | 0 | N/A | LMS CONCRETE BUILDING EQUIPMENT CONSTRUCTION CONTRACTING TRADE LIMITED COMPANY |