Doku Group, which started its commercial life in 1974, continues to contribute to the Turkish economy in the construction, industry and energy sectors. In addition to its activities spread over many cities of Turkey, it is increasing its sector activities in Europe, America, Asia and Africa continents day by day.
Doku Group brought Alkom Aluminum, which operates in the field of architectural facade systems, to the sector in 2003 in order to expand the scope of construction projects. With the demand arising from the quality of the products; Alkor Aluminum was established with an aluminum profile production facility to fill a gap in the aluminum industry. In 2008, Alkor Aluminum Solar Energy Company, which operates in the field of energy, was established. In 2012, Kor Aluminum company, which operates in the field of aluminum architectural systems, was established and assumed an important role in both domestic and international markets with the Cosabella brand.