| Koray Yapı Endüstrisi ve Ticaret A.Ş. |
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| Koray İnşaat Sanayii ve Ticaret A.Ş. |
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| Koray Real Estate & Investment Co. |
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| Koray Enternasyonal Construction Co. |
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Koray Saudi Arabia Limited Liability Company
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| CASABA FaciIity Management Co. |
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| ENAT Industrial Wood & Agriculture Co. |
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