Celalettin Çaglar

Ünye Çimento Sanayi ve Ticaret AS engages in the manufacture and sales of clinker and cement. It offers Portland cement, Portland Composite cement, Blast Furnace cement, Pozzolanic cement, Sulphate Resisting cement and other types of cement. The company was founded on May 28, 1969 and is headquartered in Ordu, Turkey.

Aslan Çimento AS engages in the manufacturing of cement and clinker. It also offers crushed sand, aggregate, Granulated Blast Furnace Slag, as well as provides port services. The company was founded on December 20, 1910 and is headquartered in Kocaeli, Turkey.

Bolu Çimento Sanayii AS engages in the production, sales, and export of clinker and cement. It offers Portland cement, Blast Furnace cement, Pozzolanic, Sulphate Resisting cement, and other special types of cement. The company was founded by Turgut Gülez, Kamil Bilgihan, Mehmet Mustafa Çizmecioglu, Nazim Adasal on August 5, 1968 and is headquartered in Bolu, Turkey.

Adana Cimento Sanayii TAS engages in the manufacture and sales of cement and clinker. Its products include Portland Cement, White Portland Cement, Portland Composite Cement, Granulated Blast Furnance Slag Cement and other types of cement. The company was founded on October 5, 1954 and is headquartered in Adana, Turkey.

Oyak Insaat AS provides construction services. It offers designing, engineering, installations, pipeline, highway and street construction services. The company was founded on April 20, 1982 and is headquartered in Istanbul, Turkey.

Oyak Renault Otomobil Fabrikalari AS is a joint venture which engages in the manufacture, distribution, and sales of automobiles and engines. It offers cars under the brand Renault and models Clio IV, Clio Grand Tourer, and Megane Sedan. The joint venture was founded on December 4, 1969 and is headquartered in Istanbul, Turkey.