- HRS Engineering Ltd.
- Address:BahcesehirIstanbulBogazkoy mh. yasam K. y. koop B blok D: 5
- ENDOW PVC Door&Window Systems Ind.Trade Ltd.Co
- Address:M. Fevzi Cakmak CD. Pirlanta Sk. No: 61
- BUYUKOGLU INSAAT MALZEMELERI SANAYI VE DIS TICARET LIMITED SIRKETI
- Address:Sucubahce Sok. No: 10 Arnavutkoy / Besiktas
- GOZDE HARDWARE
- Address:Uzun Ayna CAD.
- Divrik Dis Ticaret AS
- Address:ISTOC 43. AdaNo: 30-32 Mahmutbey
- KOSGEB
- Address:Organize Sanayi Bolgesi Is Ve Ticaret Merkezi No: 26
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