| 3/29/2018 | 680790000000 | WATER INSULATION MATERIALS
| 401 | Units | 1668.5 | N/A | BTM BITÜMLÜ TECRIT MADDELERI SANAYIVE TICARET A.S. |
| 3/19/2018 | 701939000012 | GLASS WOOL (INSULATION MATERIAL)
| 30888 | Meter Square | 11805.62 | N/A | LOGO YALITIM VE DANISMANLIK LIMITED SIRKETI |
| 3/22/2018 | 701939000012 | GLASS WOOL (INSULATION MATERIAL)
| 27600 | Meter Square | 10417.73 | N/A | LOGO YALITIM VE DANISMANLIK LIMITED SIRKETI |
| 3/8/2018 | 701939000012 | GLASS WOOL (INSULATION MATERIAL)
| 19636.8 | Meter Square | 6004.06 | N/A | LOGO YALITIM VE DANISMANLIK LIMITED SIRKETI |
| 3/29/2018 | 761010000019 | COLORED GLASS CLOTHING FACADE SYSTEM - INSULATION MATERIALS (227.69 MTK)
| 227.69 | Meter Square | 8223.16 | N/A | YAY ENDÜSTRI VE TASIMACILIK LTD.STI. |
| 3/22/2018 | 761090900018 | ALUMINUM PROFILE (WITH MOUNTING ACCESSORIES AND INSULATION MATERIAL)
| 149 | Meter | 1961.01 | N/A | OPAL PENCERE SISTEMLERI TEKS.INS.TURSAN.VE TIC.LTD.S |
| 3/15/2018 | 680610000000 | INSULATION MATERIAL
| 6293.76 | Meter Square | 44307.57 | N/A | TERSAN TERSANECILIK SANAYI VE TICARET ANONIM SIRKETI |
| 3/7/2018 | 680610000000 | ARPOL BOARD / INSULATION MATERIAL
| 20 | Cubic Meter | 1227.4 | N/A | BIMAY YAPI INSAAT SANAYI VE TICARET LIMITED SIRKETI |
| 3/14/2018 | 680610000000 | TEKFIBER SE BLANKET (INSULATION MATERIAL)
| 100 | Units | 2282.8 | N/A | ZET MEKATRONIK OTOMASYON ELEKTRIK ELEKTRONIK MAKINE VE ROBOT KONTROL UYGULAMALARI SANAYI VE TICARET LIMITED SIRKETI |
| 3/26/2018 | 680690000019 | THE INSULATION MATERIAL THAT MAKES THE CASTING PARTS STAINLESS
| 300 | Units | 2289.09 | Halkali Customs | VESUVIUS ISTANBUL REFRAKTER SANAYI VE TIC.A.S. |