| 3/13/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 19200 | Meter Square | 32248.38 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/29/2018 | 680790000000 | WATER INSULATION MATERIALS
| 401 | Units | 1668.5 | N/A | BTM BITÜMLÜ TECRIT MADDELERI SANAYIVE TICARET A.S. |
| 3/4/2018 | 681091000000 | VARIOUS SIZES OF GAS CONCRETE, HEAT INSULATION PLATE GASBETON, LENTO (DETAIL IS IN BILLING)
| 2183.32 | Cubic Meter | 80334.05 | N/A | BETONG YAPI SANAYI VE TICARET ANONIM SIRKETI |
| 3/15/2018 | 680610000000 | INSULATION MATERIAL
| 6293.76 | Meter Square | 44307.57 | N/A | TERSAN TERSANECILIK SANAYI VE TICARET ANONIM SIRKETI |
| 3/13/2018 | 680690000019 | STY SAP INSULATION PLASTER MORTAR (250 BAGS)
| 250 | Units | 1009.24 | N/A | STYRONIT DOGAL YALITIM MALZEMELERI SANAYI VE TICARET ANONIM SIRKETI |
| 3/19/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 9200 | Meter Square | 16017.02 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/27/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 14400 | Meter Square | 27995.8 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/6/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 5760 | Meter Square | 10331.8 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |
| 3/11/2018 | 680710000000 | B. BASED INSULATION MEMBRANE PP400 (BITUM BASED WATER INSULATION MEMBRANE)
| 4000 | Meter Square | 7849.68 | N/A | OSMANLI NAFTA KIMYAIZOLASYON SAN.VETIC.LTD.STI. |
| 3/6/2018 | 680710000000 | WATER INSULATION MEMBRANE
| 26000 | Meter Square | 37890.09 | N/A | STOPER YAPI VE YALITIM SISTEMLERI A.S. |