Iron and Steel Industry
Teknotherm Metal Industry and Trade Inc.
Isk Metal Chemistry Industrial Trading Inc.
Isik Celik Industry and Trading Inc.
İsdemir
Erdemir
Kardemir A.Ş.
Tosçelik
Diler Demir Çelik
TAT Çelik
Tezcan Galvaniz
Çolakoğlu Metalürji
Yıldız Demir Çelik
Gazi Metal
Panda Alüminyum
Göktaş Metal
ASSAN Alüminyum
Yesilyurt Iron, Steel and Port Operations
Kayalar Copper Alloys
Cement Industry
Limak Çimento
Limak Trakya
Limak Balıkesir
Limak Ankara
Limak Kilis
Limak Şanlıurfa
Limak Ergani
Limak Kurtalan
Oyak Çimento
Oyak Mardin
Oyak Ünye
Oyak Denizli
Oyak Bolu
Oyak Aslan
Oyak Adana
Oyak Ankara
Oyak Africa
Aşkale Cement
Çimsa Çimento
Çimsa Eskişehir
Çimsa Mersin
Çimsa Afyonkarahisar
Yibitas Yozgat Workers' Union Construction Materials Industry and Trade Inc.
Bartın Çimento
Medcem Mining
Goltas
Arkoz Mining
Safi Çimento
Marmara Çimento
Batı Söke Çimento
Bursa Çimento
Kipaş Cement
Baştaş Çimento
Sönmez Çimento
Other Industries / Energy / Shipping Sector
Yasar Okumus Engineering Machinery Manufacturing Industry and Trade
Trasteel Machine and Trading Inc.
Teknocim Machinery Engineering Electrical Electronics Construction Industry and Trade Ltd. Co.
Sanko Supply Services Industry and Trade Inc.
Ronesans Industrial Facilities Construction Industry and Trade Limited Company
Raytech Refractory Construction Industry and Trade Limited Company
Nurcan Technological Support and Foreign Trade Inc.
Norm Machinery Industrial Construction and Trade Ltd. Şti.
Infinia Advance Electronic Inc.
Sampa
Cummins
Biberci
Gemak Gemi İnşaat
Efes Metalurji Refrakter
Hekimhan Madencilik
Şef Sarım
YK Enerji
